Testosterone 40mg capsules
Capsule
40mg
Oral
Sex hormones
Active ingredients:
Testosterone undecanoate
CD Schedule 4
Minimal controls; includes benzodiazepines and anabolic steroids
details
1 safety notice
Legal requirements and restrictions
Anabolic steroids and related substances. Possession for personal use is not an offence, but supply is controlled.
Legal requirements
- Prescriptions valid for 28 days
- No controlled drugs register required
- No safe custody requirements
- Import/export restrictions apply
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Source: MHRA Products DatabaseOGL 3.0
Updated 3 months ago(16 Jan 2026)Safety monitoring data
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WHO defined daily dose (DDD)
120 mg
Not a recommended dose. The DDD is the assumed average maintenance dose per day for a drug used for its main indication in adults. It is a statistical measure used for research and comparison purposes only.
Source: WHO Collaborating Centre for Drug Statistics Methodology, distributed via NHS dm+d BNF mapping files. Contains public sector information licensed under the Open Government Licence v3.0.
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Gel
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Same therapeutic group
Similarity based on WHO Anatomical Therapeutic Chemical (ATC) classification and NHS BNF section grouping. Source data: NHS dm+d via TRUD (OGL v3.0), WHO ATC/DDD Index.
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Clinical guidelines and formulary information
British National Formulary
Testosterone undecanoate
BNF
Drug monograph — bnf.nice.org.ukSource: British National Formulary, NICE. Joint Formulary Committee. Contains public sector information licensed under the Open Government Licence v3.0.
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SNOMED CT and dm+d codes from NHS TRUD (Technology Reference data Update Distribution), licensed under the Open Government Licence v3.0. BNF codes from NHS Business Services Authority (NHSBSA). ATC codes from the WHO Collaborating Centre for Drug Statistics Methodology (whocc.no).
Active and completed clinical studies from ClinicalTrials.gov
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Source: ClinicalTrials.gov, a database of the U.S. National Library of Medicine (NLM), National Institutes of Health (NIH). Data accessed via ClinicalTrials.gov API v2. Trial information is provided for research purposes and does not constitute medical advice.
Pharmacology and chemical data from DrugBank
Key facts
Drug status
Approved
Major interactions
None known
Half-life
10 to to 100 minutes
Mechanism
Testosterone is a critical male sex hormone that is responsible for the normal g…
Food interactions
1 warning
Human targets
1 target
Data: DrugBank · CC BY-NC 4.0
Pharmacokinetics at a glance
Absorption
237 mg
Testosterone undecanoate is a lipophilic molecule that is absorbed into the intestinal lymphatic system after oral administration.…
Half-life
10 to to 100 minutes
The elimination half-life of testosterone undecanoate is approximately two hours.…
Protein binding
40%
About 40% of circulating testosterone is bound to sex hormone-binding globulin (SHBG) and about 2% of the drug remains unbound to plasma proteins.…
Volume of distribution
There is no information available.
Metabolism
Testosterone undecanoate can be reduced to dihydrotestosterone undecanoate via 5α-reductase.
[L41355]…
[L41355]…
Elimination
90%
About 90% of a testosterone dose given intramuscularly is excreted in the urine as glucuronic and sulfuric acid-conjugates of testosterone or as metabolites.…
Clearance
24.5 mL/min/kg
While there is limited information available, an earlier study reports a metabolic clearance rate of 24.5…
Pharmacokinetic data: DrugBank · CC BY-NC 4.0
Status:
Approved
Investigational
Small molecule
About this compound
Testosterone undecanoate is the ester prodrug of [testosterone] and has a mid-chain fatty acid at the carbon 17β position.[L35970] It was developed via fatty acid esterification of testosterone in order to achieve orally administer testosterone.[A246594] There are oral and intramuscular formulations available for testosterone undecanoate: both formulations are indicated for testosterone replacement therapy in adult males with hypogonadism.[L35970][L8932][L41355]
Testosterone is a critical male hormone that is responsible for the normal growth and development of the male sex organs and for the maintenance of secondary sex characteristics. Male hypogonadism, resulting from insufficient testosterone secretion, can result symptoms and signs of testosterone deficiency, such as decreased libido, erectile dysfunction, and loss of muscle and bone mass. Testosterone replacement therapy aims to restore the levels of testosterone, thereby improving symptoms and signs of testosterone deficiency.[A246614][L35970]
Testosterone is a critical male hormone that is responsible for the normal growth and development of the male sex organs and for the maintenance of secondary sex characteristics. Male hypogonadism, resulting from insufficient testosterone secretion, can result symptoms and signs of testosterone deficiency, such as decreased libido, erectile dysfunction, and loss of muscle and bone mass. Testosterone replacement therapy aims to restore the levels of testosterone, thereby improving symptoms and signs of testosterone deficiency.[A246614][L35970]
Properties:
solid
Avg. mass: 456.71 Da
DrugBank indication
Testosterone undecanoate is indicated for testosterone replacement therapy in adult males for conditions associated with a deficiency or absence of endogenous testosterone. These conditions include:
- Congenital or acquired primary hypogonadism: testicular failure due to cryptorchidism, bilateral torsion, orchitis, vanishing testis syndrome, orchiectomy, Klinefelter’s syndrome, chemotherapy, or toxic damage from alcohol or heavy metals. These men usually have low serum testosterone concentrations and gonadotropins (follicle-stimulating hormone FSH, luteinizing hormone LH) above the normal range.
[L35970][L8932][L41355]
- Congenital or acquired hypogonadotropic hypogonadism: gonadotropin or luteinizing hormone-releasing hormone (LHRH) deficiency or pituitary-hypothalamic injury from tumors, trauma, or radiation.
These men have low testosterone serum concentrations but have gonadotropins in the normal or low range.
[L35970][L8932][L41355]
Testosterone undecanoate is not used to treat age-related hypogonadism.
[L35970][L8932][L41355]
- Congenital or acquired primary hypogonadism: testicular failure due to cryptorchidism, bilateral torsion, orchitis, vanishing testis syndrome, orchiectomy, Klinefelter’s syndrome, chemotherapy, or toxic damage from alcohol or heavy metals. These men usually have low serum testosterone concentrations and gonadotropins (follicle-stimulating hormone FSH, luteinizing hormone LH) above the normal range.
[L35970][L8932][L41355]
- Congenital or acquired hypogonadotropic hypogonadism: gonadotropin or luteinizing hormone-releasing hormone (LHRH) deficiency or pituitary-hypothalamic injury from tumors, trauma, or radiation.
These men have low testosterone serum concentrations but have gonadotropins in the normal or low range.
[L35970][L8932][L41355]
Testosterone undecanoate is not used to treat age-related hypogonadism.
[L35970][L8932][L41355]
Also known as(183)
Testosterone undecanoate
Testosterone undeconate
Testosterone undecylate
DHTR
Dihydrotestosterone receptor
NR3C4
Nuclear receptor subfamily 3 group C member 4
1,4-cineole 2-exo-monooxygenase
Dosage forms(20)
Capsule, liquid filled (Oral) — 40 mg
Capsule (Oral)
Injection (Intramuscular) — 250 mg/1mL
Capsule, liquid filled (Oral) — 158 mg/1
Capsule, liquid filled (Oral) — 198 mg/1
Capsule, liquid filled (Oral) — 237 mg/1
Capsule, liquid filled (Oral) — 100 mg/1
Capsule, liquid filled (Oral) — 150 mg/1
Molecular properties(19)
Drug interactions(1224)
Known interactions with other medications. Always consult a healthcare professional.
Eliglustat
Moderate
The metabolism of Eliglustat can be decreased when combined with Testosterone undecanoate.
The metabolism of Ibrutinib can be decreased when combined with Testosterone undecanoate.
Cilostazol
Moderate
The metabolism of Cilostazol can be decreased when combined with Testosterone undecanoate.
Colchicine
Moderate
The metabolism of Colchicine can be decreased when combined with Testosterone undecanoate.
Testosterone undecanoate may increase the hypertensive activities of Fentanyl.
Retapamulin
Moderate
The metabolism of Retapamulin can be decreased when combined with Testosterone undecanoate.
Tofacitinib
Moderate
The metabolism of Tofacitinib can be decreased when combined with Testosterone undecanoate.
Vardenafil
Moderate
The metabolism of Vardenafil can be decreased when combined with Testosterone undecanoate.
The metabolism of Zopiclone can be decreased when combined with Testosterone undecanoate.
Lovastatin
Moderate
The metabolism of Lovastatin can be decreased when combined with Testosterone undecanoate.
The metabolism of Alfuzosin can be decreased when combined with Testosterone undecanoate.
Alprazolam
Moderate
The metabolism of Alprazolam can be decreased when combined with Testosterone undecanoate.
Mifepristone
Moderate
Testosterone undecanoate may increase the hypoglycemic activities of Mifepristone.
Ifosfamide
Moderate
The metabolism of Ifosfamide can be increased when combined with Testosterone undecanoate.
Perampanel
Moderate
The metabolism of Perampanel can be increased when combined with Testosterone undecanoate.
Prasterone
Unknown severity
The serum concentration of Testosterone undecanoate can be increased when it is combined with Prasterone.
R,S-Warfarin alcohol
Unknown severity
The serum concentration of R,S-Warfarin alcohol can be increased when it is combined with Testosterone undecanoate.
S,R-Warfarin alcohol
Unknown severity
The serum concentration of S,R-Warfarin alcohol can be increased when it is combined with Testosterone undecanoate.
The serum concentration of Midazolam can be increased when it is combined with Testosterone undecanoate.
Tacrolimus
Unknown severity
The serum concentration of Tacrolimus can be increased when it is combined with Testosterone undecanoate.
Atorvastatin
Moderate
The metabolism of Atorvastatin can be decreased when combined with Testosterone undecanoate.
The serum concentration of Erlotinib can be decreased when it is combined with Testosterone undecanoate.
Glimepiride
Moderate
Testosterone undecanoate may increase the hypoglycemic activities of Glimepiride.
Acetohexamide
Moderate
Testosterone undecanoate may increase the hypoglycemic activities of Acetohexamide.
Testosterone undecanoate may increase the hypoglycemic activities of Miglitol.
Phenformin
Moderate
Testosterone undecanoate may increase the hypoglycemic activities of Phenformin.
Gliclazide
Moderate
Testosterone undecanoate may increase the hypoglycemic activities of Gliclazide.
Gliquidone
Moderate
Testosterone undecanoate may increase the hypoglycemic activities of Gliquidone.
Mitiglinide
Moderate
Testosterone undecanoate may increase the hypoglycemic activities of Mitiglinide.
Testosterone undecanoate may increase the hypoglycemic activities of Exenatide.
Mecasermin
Moderate
Testosterone undecanoate may increase the hypoglycemic activities of Mecasermin.
Pramlintide
Moderate
Testosterone undecanoate may increase the hypoglycemic activities of Pramlintide.
Glisoxepide
Moderate
Testosterone undecanoate may increase the hypoglycemic activities of Glisoxepide.
Testosterone undecanoate may increase the hypoglycemic activities of Glymidine.
AICA ribonucleotide
Moderate
Testosterone undecanoate may increase the hypoglycemic activities of AICA ribonucleotide.
Testosterone undecanoate may increase the hypoglycemic activities of Buformin.
Vildagliptin
Moderate
Testosterone undecanoate may increase the hypoglycemic activities of Vildagliptin.
Testosterone undecanoate may increase the hypoglycemic activities of Voglibose.
Testosterone undecanoate may increase the hypoglycemic activities of AMG-222.
Bisegliptin
Moderate
Testosterone undecanoate may increase the hypoglycemic activities of Bisegliptin.
Liraglutide
Moderate
Testosterone undecanoate may increase the hypoglycemic activities of Liraglutide.
Gosogliptin
Moderate
Testosterone undecanoate may increase the hypoglycemic activities of Gosogliptin.
Glibornuride
Moderate
Testosterone undecanoate may increase the hypoglycemic activities of Glibornuride.
Benfluorex
Moderate
Testosterone undecanoate may increase the hypoglycemic activities of Benfluorex.
Albiglutide
Moderate
Testosterone undecanoate may increase the hypoglycemic activities of Albiglutide.
Dulaglutide
Moderate
Testosterone undecanoate may increase the hypoglycemic activities of Dulaglutide.
Ipragliflozin
Moderate
Testosterone undecanoate may increase the hypoglycemic activities of Ipragliflozin.
Dutogliptin
Moderate
Testosterone undecanoate may increase the hypoglycemic activities of Dutogliptin.
Testosterone undecanoate may increase the hypoglycemic activities of Allicin.
Tofogliflozin
Moderate
Testosterone undecanoate may increase the hypoglycemic activities of Tofogliflozin.
Showing 50 of 1224 interactions
Food & lifestyle interactions
Take With Food
Take with food. Food enhances the systemic exposure of testosterone undecanoate administered as oral capsules.
Toxicity & overdose
The oral LD50 is 4000 mg/kg in mice and rats. The subcutaneous LD50 is 2880 mg/kg in mice and rats.
[L41509]
There is limited information on testosterone undecanoate overdose. There was one report of acute overdose from an approved injectable testosterone product, which resulted in increased serum testosterone levels of up to 11,400 ng/dL with a cerebrovascular accident.
[L35970]
There was one case of overdose following administration of oral testosterone undecanoate capsules: this patient inadvertently took a 20% higher dose than the maximum recommended dose but did not report any adverse reactions.
[L8932]
Overdose should be managed with discontinuation of the drug in combination with appropriate symptomatic and supportive care.
[L35970]
The abuse of anabolic androgenic steroids can result in serious adverse reactions, such as cardiac arrest, myocardial infarction, hypertrophic cardiomyopathy, congestive heart failure, cerebrovascular accident, hepatotoxicity, and psychiatric manifestations, including major depression, mania, paranoia, psychosis, delusions, hallucinations, hostility, and aggression.
Men receiving testosterone have experienced transient ischemic attacks, convulsions, hypomania, irritability, dyslipidemias, testicular atrophy, subfertility, and infertility.
[L35970]
[L41509]
There is limited information on testosterone undecanoate overdose. There was one report of acute overdose from an approved injectable testosterone product, which resulted in increased serum testosterone levels of up to 11,400 ng/dL with a cerebrovascular accident.
[L35970]
There was one case of overdose following administration of oral testosterone undecanoate capsules: this patient inadvertently took a 20% higher dose than the maximum recommended dose but did not report any adverse reactions.
[L8932]
Overdose should be managed with discontinuation of the drug in combination with appropriate symptomatic and supportive care.
[L35970]
The abuse of anabolic androgenic steroids can result in serious adverse reactions, such as cardiac arrest, myocardial infarction, hypertrophic cardiomyopathy, congestive heart failure, cerebrovascular accident, hepatotoxicity, and psychiatric manifestations, including major depression, mania, paranoia, psychosis, delusions, hallucinations, hostility, and aggression.
Men receiving testosterone have experienced transient ischemic attacks, convulsions, hypomania, irritability, dyslipidemias, testicular atrophy, subfertility, and infertility.
[L35970]
How it works
Mechanism of action
Testosterone is a critical male sex hormone that is responsible for the normal growth and development of the male sex organs and the maintenance of secondary sex characteristics, such as the growth and maturation of male sex organs, the development of male hair distribution, vocal cord thickening, and alterations in body musculature and fat distribution. Male hypogonadism, resulting from insufficient testosterone secretion, has two main etiologies: primary hypogonadism is caused by defects in the gonads, whereas secondary hypogonadism is the failure of the hypothalamus (or pituitary) to produce sufficient gonadotropins (FSH and LH).[L35970]
In the circulation, testosterone undecanoate is cleaved by endogenous non-specific esterases to release testosterone, the active component of the compound. The undecanoate side chain is pharmacologically inactive.[A176882][L35970] Testosterone can be further converted by 5α reductase to its more biologically active form, dihydrotestosterone (DHT). The actions of testosterone and DHT are mediated via androgen receptor, which is widely expressed in many tissues, including the bone, muscle, prostate, and adipose tissue. Testosterone binds to androgen receptors with high affinity and regulates target gene transcription involved in the normal growth and development of the male sex organs and the maintenance of secondary sex characteristics.[A246619] Testosterone can cause improved sexual function, increased lean body mass, bone density, erythropoiesis, prostate size, and changes in lipid profiles.[A246614]
In the circulation, testosterone undecanoate is cleaved by endogenous non-specific esterases to release testosterone, the active component of the compound. The undecanoate side chain is pharmacologically inactive.[A176882][L35970] Testosterone can be further converted by 5α reductase to its more biologically active form, dihydrotestosterone (DHT). The actions of testosterone and DHT are mediated via androgen receptor, which is widely expressed in many tissues, including the bone, muscle, prostate, and adipose tissue. Testosterone binds to androgen receptors with high affinity and regulates target gene transcription involved in the normal growth and development of the male sex organs and the maintenance of secondary sex characteristics.[A246619] Testosterone can cause improved sexual function, increased lean body mass, bone density, erythropoiesis, prostate size, and changes in lipid profiles.[A246614]
Pharmacodynamics
Once in circulation, testosterone undecanoate is cleaved to release testosterone, which mediates a range of biological actions. Testosterone is an endogenous male hormone that plays a key role in male sexual differentiation: it is involved in the regulation of hematopoiesis, body composition, and bone metabolism. As a hormone replacement therapy, testosterone undecanoate is an exogenous source of testosterone in males with hypogonadism. Testosterone therapy aims to improve symptoms and signs of testosterone deficiency including decreased libido, erectile dysfunction, and loss of muscle and bone mass.[A246614]
Testosterone has a controlled substance in the US due to the abuse potential by athletes and bodybuilders. The use of testosterone at higher doses than recommended can lead to withdrawal symptoms lasting for weeks or months. Withdrawal symptoms include depressed mood, major depression, fatigue, craving, restlessness, irritability, anorexia, insomnia, decreased libido, and hypogonadotropic hypogonadism.[L35970]
Testosterone can cause hirsutism, virilization, deepening of the voice, clitoral enlargement, breast atrophy, male-pattern baldness, and menstrual irregularities when administered to women. The use in adolescents can lead to the premature closure of bony epiphyses with termination of growth and precocious puberty.[L35970]
Testosterone has a controlled substance in the US due to the abuse potential by athletes and bodybuilders. The use of testosterone at higher doses than recommended can lead to withdrawal symptoms lasting for weeks or months. Withdrawal symptoms include depressed mood, major depression, fatigue, craving, restlessness, irritability, anorexia, insomnia, decreased libido, and hypogonadotropic hypogonadism.[L35970]
Testosterone can cause hirsutism, virilization, deepening of the voice, clitoral enlargement, breast atrophy, male-pattern baldness, and menstrual irregularities when administered to women. The use in adolescents can lead to the premature closure of bony epiphyses with termination of growth and precocious puberty.[L35970]
Pharmacokinetics
How the body processes this drug — absorption, distribution, metabolism, and elimination
Absorption
Testosterone undecanoate is a lipophilic molecule that is absorbed into the intestinal lymphatic system after oral administration. It is then released into the general blood circulation by the thoracic duct, thereby bypassing the portal circulation and first-pass metabolism in the liver,[A246594][L41355] unlike endogenous testosterone.
[A246614]
Following oral administration of 237 mg twice per day in males with hypogonadism, the mean (SD) Cmax was 1008 (581) ng/dL.
[L8932]
Tmax is about five hours following oral administration.
[L41355]
Decreased testosterone exposure was observed when administered without food.
[L8932][L41355]
Following intramuscular administration of 750 mg testosterone undecanoate, serum testosterone concentrations reached a maximum after a median of seven days (range of four to 42 days), which then slowly declined. The mean (SD) Cmax was about 90.9 (68.8) ng/dL on the fourth day following injection of testosterone undecanoate.
Steady-state serum testosterone concentration was achieved with the third injection at 14 weeks. At 42 days following the injection, testosterone undecanoate was nearly undetectable.
[L35970]
[A246614]
Following oral administration of 237 mg twice per day in males with hypogonadism, the mean (SD) Cmax was 1008 (581) ng/dL.
[L8932]
Tmax is about five hours following oral administration.
[L41355]
Decreased testosterone exposure was observed when administered without food.
[L8932][L41355]
Following intramuscular administration of 750 mg testosterone undecanoate, serum testosterone concentrations reached a maximum after a median of seven days (range of four to 42 days), which then slowly declined. The mean (SD) Cmax was about 90.9 (68.8) ng/dL on the fourth day following injection of testosterone undecanoate.
Steady-state serum testosterone concentration was achieved with the third injection at 14 weeks. At 42 days following the injection, testosterone undecanoate was nearly undetectable.
[L35970]
Half-life
The elimination half-life of testosterone undecanoate is approximately two hours. Once testosterone is formed from testosterone undecanoate, the half life of testosterone can vary and the reported values in the literature remain inconsistent, ranging from 10 to to 100 minutes.
[L35970][L41355]
Testosterone undecanoate in castor oil for intramuscular injection had a half life of 33.9 days, allowing it to maintain serum levels in the normal range for over 6 weeks.
[A176954]
[L35970][L41355]
Testosterone undecanoate in castor oil for intramuscular injection had a half life of 33.9 days, allowing it to maintain serum levels in the normal range for over 6 weeks.
[A176954]
Protein binding
About 40% of circulating testosterone is bound to sex hormone-binding globulin (SHBG) and about 2% of the drug remains unbound to plasma proteins. The rest is loosely bound to albumin and other plasma proteins.
[L35970][L8932]
[L35970][L8932]
Volume of distribution
There is no information available.
Metabolism
Testosterone undecanoate can be reduced to dihydrotestosterone undecanoate via 5α-reductase.
[L41355]
In the circulation, the ester bond linking testosterone to the undecanoic acid is cleaved by endogenous non-specific esterases.
[A246594][L35970]
Like all fatty acids, the undecanoic side chain undergoes β-oxidation to form acetyl coenzyme A (CoA) and, finally, propionyl CoA.
[A246594][L8932]
Testosterone is metabolized to various 17-keto steroids through two different pathways to form major active metabolites, estradiol and dihydrotestosterone (DHT).
[L35970]
[L41355]
In the circulation, the ester bond linking testosterone to the undecanoic acid is cleaved by endogenous non-specific esterases.
[A246594][L35970]
Like all fatty acids, the undecanoic side chain undergoes β-oxidation to form acetyl coenzyme A (CoA) and, finally, propionyl CoA.
[A246594][L8932]
Testosterone is metabolized to various 17-keto steroids through two different pathways to form major active metabolites, estradiol and dihydrotestosterone (DHT).
[L35970]
Route of elimination
About 90% of a testosterone dose given intramuscularly is excreted in the urine as glucuronic and sulfuric acid-conjugates of testosterone or as metabolites. About 6% of a dose is excreted in the feces, mostly in the unconjugated form. Inactivation of testosterone occurs primarily in the liver.
[L35970]
[L35970]
Clearance
While there is limited information available, an earlier study reports a metabolic clearance rate of 24.5 mL/min/kg for testosterone following oral administration of 25 mg testosterone and 40 mg testosterone undecanoate in women.
[A31633]
[A31633]
Drug targets(1)
Proteins and enzymes this drug interacts with in the body
Androgen receptor
agonist
Specific functionandrogen binding
Cellular location
Nucleus
General function & pharmacology
Steroid hormone receptors are ligand-activated transcription factors that regulate eukaryotic gene expression and affect cellular proliferation and differentiation in target tissues .
PMID:19022849
Transcription factor activity is modulated by bound coactivator and corepressor proteins like ZBTB7A that recruits NCOR1 and NCOR2 to the androgen response elements/ARE on target genes, negatively regulating androgen receptor signaling and androgen-induced cell proliferation .
PMID:20812024
Transcription activation is also down-regulated by NR0B2. Activated, but not phosphorylated, by HIPK3 and ZIPK/DAPK3
PMID:19022849
Transcription factor activity is modulated by bound coactivator and corepressor proteins like ZBTB7A that recruits NCOR1 and NCOR2 to the androgen response elements/ARE on target genes, negatively regulating androgen receptor signaling and androgen-induced cell proliferation .
PMID:20812024
Transcription activation is also down-regulated by NR0B2. Activated, but not phosphorylated, by HIPK3 and ZIPK/DAPK3
Metabolizing enzymes(15)
Enzymes involved in drug metabolism — important for understanding drug interactions
Enzyme activity key
substrate
inhibitor
inducer
CYP3A4Cytochrome P450 3A4
substrate
inhibitor
inducer
MAOAAmine oxidase [flavin-containing] A
inducer
CYP11A1Cholesterol side-chain cleavage enzyme, mitochondrial
inhibitor
CYP3A5Cytochrome P450 3A5
substrate
CYP3A7Cytochrome P450 3A7
substrate
CYP1A1Cytochrome P450 1A1
substrate
CYP1B1Cytochrome P450 1B1
substrate
CYP2A13Cytochrome P450 2A13
substrate
CYP2B6Cytochrome P450 2B6
substrate
CYP2C19Cytochrome P450 2C19
substrate
CYP2C8Cytochrome P450 2C8
substrate
CYP2C9Cytochrome P450 2C9
substrate
CYP3A43Cytochrome P450 3A43
substrate
SRD5A3Polyprenal reductase · 3-oxo-5-alpha-steroid 4-dehydrogenase
substrate
CYP19A1Aromatase
substrate
Transporters(10)
Proteins that transport this drug across cell membranes
Solute carrier organic anion transporter family member 1A2
SLCO1A2
inhibitor
inducer
Specific functionbile acid transmembrane transporter activity
Cellular location
Cell membrane
General function & pharmacology
Na(+)-independent transporter that mediates the cellular uptake of a broad range of organic anions such as the endogenous bile salts cholate and deoxycholate, either in their unconjugated or conjugated forms (taurocholate and glycocholate), at the plasmam membrane .
PMID:19129463 PMID:7557095
Responsible for intestinal absorption of bile acids (By similarity). Transports dehydroepiandrosterone 3-sulfate (DHEAS), a major circulating steroid secreted by the adrenal cortex, as well as estrone 3-sulfate and 17beta-estradiol 17-O-(beta-D-glucuronate) .
PMID:11159893 PMID:12568656 PMID:19129463 PMID:23918469 PMID:25560245 PMID:9539145
Mediates apical uptake of all-trans-retinol (atROL) across human retinal pigment epithelium, which is essential to maintaining the integrity of the visual cycle and thus vision .
PMID:25560245
Involved in the uptake of clinically used drugs .
PMID:17301733 PMID:20686826 PMID:27777271
Capable of thyroid hormone transport (both T3 or 3,3',5'-triiodo-L-thyronine, and T4 or L-tyroxine) .
PMID:19129463 PMID:20358049
Also transports prostaglandin E2 .
PMID:19129463
Plays roles in blood-brain and -cerebrospinal fluid barrier transport of organic anions and signal mediators, and in hormone uptake by neural cells (By similarity). May also play a role in the reuptake of neuropeptides such as substance P/TAC1 and vasoactive intestinal peptide/VIP released from retinal neurons .
PMID:25132355
May play an important role in plasma and tissue distribution of the structurally diverse chemotherapeutic drugs methotrexate and paclitaxel .
PMID:23243220
Shows a pH-sensitive substrate specificity which may be ascribed to the protonation state of the binding site and leads to a stimulation of substrate transport in an acidic microenvironment .
PMID:19129463
Hydrogencarbonate/HCO3(-) acts as the probable counteranion that exchanges for organic anions .
PMID:19129463
May contribute to regulate the transport of organic compounds in testis across the blood-testis-barrier (Probable)
PMID:19129463 PMID:7557095
Responsible for intestinal absorption of bile acids (By similarity). Transports dehydroepiandrosterone 3-sulfate (DHEAS), a major circulating steroid secreted by the adrenal cortex, as well as estrone 3-sulfate and 17beta-estradiol 17-O-(beta-D-glucuronate) .
PMID:11159893 PMID:12568656 PMID:19129463 PMID:23918469 PMID:25560245 PMID:9539145
Mediates apical uptake of all-trans-retinol (atROL) across human retinal pigment epithelium, which is essential to maintaining the integrity of the visual cycle and thus vision .
PMID:25560245
Involved in the uptake of clinically used drugs .
PMID:17301733 PMID:20686826 PMID:27777271
Capable of thyroid hormone transport (both T3 or 3,3',5'-triiodo-L-thyronine, and T4 or L-tyroxine) .
PMID:19129463 PMID:20358049
Also transports prostaglandin E2 .
PMID:19129463
Plays roles in blood-brain and -cerebrospinal fluid barrier transport of organic anions and signal mediators, and in hormone uptake by neural cells (By similarity). May also play a role in the reuptake of neuropeptides such as substance P/TAC1 and vasoactive intestinal peptide/VIP released from retinal neurons .
PMID:25132355
May play an important role in plasma and tissue distribution of the structurally diverse chemotherapeutic drugs methotrexate and paclitaxel .
PMID:23243220
Shows a pH-sensitive substrate specificity which may be ascribed to the protonation state of the binding site and leads to a stimulation of substrate transport in an acidic microenvironment .
PMID:19129463
Hydrogencarbonate/HCO3(-) acts as the probable counteranion that exchanges for organic anions .
PMID:19129463
May contribute to regulate the transport of organic compounds in testis across the blood-testis-barrier (Probable)
Organic anion transporter 3
SLC22A8
inducer
Specific functionorganic anion transmembrane transporter activity
Cellular location
Basolateral cell membrane
General function & pharmacology
Functions as an organic anion/dicarboxylate exchanger that couples organic anion uptake indirectly to the sodium gradient .
PMID:14586168 PMID:15644426 PMID:15846473 PMID:16455804 PMID:31553721
Transports organic anions such as estrone 3-sulfate (E1S) and urate in exchange for dicarboxylates such as glutarate or ketoglutarate (2-oxoglutarate) .
PMID:14586168 PMID:15846473 PMID:15864504 PMID:22108572 PMID:23832370
Plays an important role in the excretion of endogenous and exogenous organic anions, especially from the kidney and the brain .
PMID:11306713 PMID:14586168 PMID:15846473
E1S transport is pH- and chloride-dependent and may also involve E1S/cGMP exchange .
PMID:26377792
Responsible for the transport of prostaglandin E2 (PGE2) and prostaglandin F2(alpha) (PGF2(alpha)) in the basolateral side of the renal tubule .
PMID:11907186
Involved in the transport of neuroactive tryptophan metabolites kynurenate and xanthurenate .
PMID:22108572 PMID:23832370
Functions as a biopterin transporters involved in the uptake and the secretion of coenzymes tetrahydrobiopterin (BH4), dihydrobiopterin (BH2) and sepiapterin to urine, thereby determining baseline levels of blood biopterins .
PMID:28534121
May be involved in the basolateral transport of steviol, a metabolite of the popular sugar substitute stevioside .
PMID:15644426
May participate in the detoxification/ renal excretion of drugs and xenobiotics, such as the histamine H(2)-receptor antagonists fexofenadine and cimetidine, the antibiotic benzylpenicillin (PCG), the anionic herbicide 2,4-dichloro-phenoxyacetate (2,4-D), the diagnostic agent p-aminohippurate (PAH), the antiviral acyclovir (ACV), and the mycotoxin ochratoxin (OTA), by transporting these exogenous organic anions across the cell membrane in exchange for dicarboxylates such as 2-oxoglutarate .
PMID:11669456 PMID:15846473 PMID:16455804
Contributes to the renal uptake of potent uremic toxins (indoxyl sulfate (IS), indole acetate (IA), hippurate/N-benzoylglycine (HA) and 3-carboxy-4-methyl-5-propyl-2-furanpropionate (CMPF)), pravastatin, PCG, E1S and dehydroepiandrosterone sulfate (DHEAS), and is partly involved in the renal uptake of temocaprilat (an angiotensin-converting enzyme (ACE) inhibitor) .
PMID:14675047
May contribute to the release of cortisol in the adrenals .
PMID:15864504
Involved in one of the detoxification systems on the choroid plexus (CP), removes substrates such as E1S or taurocholate (TC), PCG, 2,4-D and PAH, from the cerebrospinal fluid (CSF) to the blood for eventual excretion in urine and bile (By similarity). Also contributes to the uptake of several other organic compounds such as the prostanoids prostaglandin E(2) and prostaglandin F(2-alpha), L-carnitine, and the therapeutic drugs allopurinol, 6-mercaptopurine (6-MP) and 5-fluorouracil (5-FU) (By similarity). Mediates the transport of PAH, PCG, and the statins pravastatin and pitavastatin, from the cerebrum into the blood circulation across the blood-brain barrier (BBB).
In summary, plays a role in the efflux of drugs and xenobiotics, helping reduce their undesired toxicological effects on the body (By similarity)
PMID:14586168 PMID:15644426 PMID:15846473 PMID:16455804 PMID:31553721
Transports organic anions such as estrone 3-sulfate (E1S) and urate in exchange for dicarboxylates such as glutarate or ketoglutarate (2-oxoglutarate) .
PMID:14586168 PMID:15846473 PMID:15864504 PMID:22108572 PMID:23832370
Plays an important role in the excretion of endogenous and exogenous organic anions, especially from the kidney and the brain .
PMID:11306713 PMID:14586168 PMID:15846473
E1S transport is pH- and chloride-dependent and may also involve E1S/cGMP exchange .
PMID:26377792
Responsible for the transport of prostaglandin E2 (PGE2) and prostaglandin F2(alpha) (PGF2(alpha)) in the basolateral side of the renal tubule .
PMID:11907186
Involved in the transport of neuroactive tryptophan metabolites kynurenate and xanthurenate .
PMID:22108572 PMID:23832370
Functions as a biopterin transporters involved in the uptake and the secretion of coenzymes tetrahydrobiopterin (BH4), dihydrobiopterin (BH2) and sepiapterin to urine, thereby determining baseline levels of blood biopterins .
PMID:28534121
May be involved in the basolateral transport of steviol, a metabolite of the popular sugar substitute stevioside .
PMID:15644426
May participate in the detoxification/ renal excretion of drugs and xenobiotics, such as the histamine H(2)-receptor antagonists fexofenadine and cimetidine, the antibiotic benzylpenicillin (PCG), the anionic herbicide 2,4-dichloro-phenoxyacetate (2,4-D), the diagnostic agent p-aminohippurate (PAH), the antiviral acyclovir (ACV), and the mycotoxin ochratoxin (OTA), by transporting these exogenous organic anions across the cell membrane in exchange for dicarboxylates such as 2-oxoglutarate .
PMID:11669456 PMID:15846473 PMID:16455804
Contributes to the renal uptake of potent uremic toxins (indoxyl sulfate (IS), indole acetate (IA), hippurate/N-benzoylglycine (HA) and 3-carboxy-4-methyl-5-propyl-2-furanpropionate (CMPF)), pravastatin, PCG, E1S and dehydroepiandrosterone sulfate (DHEAS), and is partly involved in the renal uptake of temocaprilat (an angiotensin-converting enzyme (ACE) inhibitor) .
PMID:14675047
May contribute to the release of cortisol in the adrenals .
PMID:15864504
Involved in one of the detoxification systems on the choroid plexus (CP), removes substrates such as E1S or taurocholate (TC), PCG, 2,4-D and PAH, from the cerebrospinal fluid (CSF) to the blood for eventual excretion in urine and bile (By similarity). Also contributes to the uptake of several other organic compounds such as the prostanoids prostaglandin E(2) and prostaglandin F(2-alpha), L-carnitine, and the therapeutic drugs allopurinol, 6-mercaptopurine (6-MP) and 5-fluorouracil (5-FU) (By similarity). Mediates the transport of PAH, PCG, and the statins pravastatin and pitavastatin, from the cerebrum into the blood circulation across the blood-brain barrier (BBB).
In summary, plays a role in the efflux of drugs and xenobiotics, helping reduce their undesired toxicological effects on the body (By similarity)
Solute carrier family 22 member 7
SLC22A7
inducer
Specific functionalpha-ketoglutarate transmembrane transporter activity
Cellular location
Basolateral cell membrane
General function & pharmacology
Functions as a Na(+)-independent bidirectional multispecific transporter .
PMID:11327718 PMID:18216183 PMID:21446918 PMID:28945155
Contributes to the renal and hepatic elimination of endogenous organic compounds from the systemic circulation into the urine and bile, respectively .
PMID:11327718 PMID:25904762
Capable of transporting a wide range of purine and pyrimidine nucleobases, nucleosides and nucleotides, with cGMP, 2'deoxyguanosine and GMP being the preferred substrates .
PMID:11327718 PMID:18216183 PMID:26377792 PMID:28945155
Functions as a pH- and chloride-independent cGMP bidirectional facilitative transporter that can regulate both intracellular and extracellular levels of cGMP and may be involved in cGMP signaling pathways .
PMID:18216183 PMID:26377792
Mediates orotate/glutamate bidirectional exchange and most likely display a physiological role in hepatic release of glutamate into the blood .
PMID:21446918
Involved in renal secretion and possible reabsorption of creatinine .
PMID:25904762 PMID:28945155
Able to uptake prostaglandin E2 (PGE2) and may contribute to PGE2 renal excretion (Probable). Also transports alpha-ketoglutarate and urate .
PMID:11327718 PMID:26377792
Apart from the orotate/glutamate exchange, the counterions for the uptake of other SLC22A7/OAT2 substrates remain to be identified PMID:26377792
PMID:11327718 PMID:18216183 PMID:21446918 PMID:28945155
Contributes to the renal and hepatic elimination of endogenous organic compounds from the systemic circulation into the urine and bile, respectively .
PMID:11327718 PMID:25904762
Capable of transporting a wide range of purine and pyrimidine nucleobases, nucleosides and nucleotides, with cGMP, 2'deoxyguanosine and GMP being the preferred substrates .
PMID:11327718 PMID:18216183 PMID:26377792 PMID:28945155
Functions as a pH- and chloride-independent cGMP bidirectional facilitative transporter that can regulate both intracellular and extracellular levels of cGMP and may be involved in cGMP signaling pathways .
PMID:18216183 PMID:26377792
Mediates orotate/glutamate bidirectional exchange and most likely display a physiological role in hepatic release of glutamate into the blood .
PMID:21446918
Involved in renal secretion and possible reabsorption of creatinine .
PMID:25904762 PMID:28945155
Able to uptake prostaglandin E2 (PGE2) and may contribute to PGE2 renal excretion (Probable). Also transports alpha-ketoglutarate and urate .
PMID:11327718 PMID:26377792
Apart from the orotate/glutamate exchange, the counterions for the uptake of other SLC22A7/OAT2 substrates remain to be identified PMID:26377792
ATP-dependent translocase ABCB1
ABCB1
inhibitor
Specific functionABC-type xenobiotic transporter activity
Cellular location
Cell membrane
General function & pharmacology
Translocates drugs and phospholipids across the membrane .
PMID:2897240 PMID:35970996 PMID:8898203 PMID:9038218 PMID:35507548
Catalyzes the flop of phospholipids from the cytoplasmic to the exoplasmic leaflet of the apical membrane. Participates mainly to the flop of phosphatidylcholine, phosphatidylethanolamine, beta-D-glucosylceramides and sphingomyelins .
PMID:8898203
Energy-dependent efflux pump responsible for decreased drug accumulation in multidrug-resistant cells PMID:2897240 PMID:35970996 PMID:9038218
PMID:2897240 PMID:35970996 PMID:8898203 PMID:9038218 PMID:35507548
Catalyzes the flop of phospholipids from the cytoplasmic to the exoplasmic leaflet of the apical membrane. Participates mainly to the flop of phosphatidylcholine, phosphatidylethanolamine, beta-D-glucosylceramides and sphingomyelins .
PMID:8898203
Energy-dependent efflux pump responsible for decreased drug accumulation in multidrug-resistant cells PMID:2897240 PMID:35970996 PMID:9038218
Hepatic sodium/bile acid cotransporter
SLC10A1
inhibitor
Specific functionbile acid transmembrane transporter activity
Cellular location
Cell membrane
General function & pharmacology
As a major transporter of conjugated bile salts from plasma into the hepatocyte, it plays a key role in the enterohepatic circulation of bile salts necessary for the solubilization and absorption of dietary fat and fat-soluble vitamins .
PMID:14660639 PMID:24867799 PMID:34060352 PMID:8132774
It is strictly dependent on the extracellular presence of sodium .
PMID:14660639 PMID:24867799 PMID:34060352 PMID:8132774
It exhibits broad substrate specificity and transports various bile acids, such as taurocholate, cholate, as well as non-bile acid organic compounds, such as estrone sulfate .
PMID:14660639 PMID:34060352
Works collaboratively with the ileal transporter (NTCP2), the organic solute transporter (OST), and the bile salt export pump (BSEP), to ensure efficacious biological recycling of bile acids during enterohepatic circulation PMID:33222321
PMID:14660639 PMID:24867799 PMID:34060352 PMID:8132774
It is strictly dependent on the extracellular presence of sodium .
PMID:14660639 PMID:24867799 PMID:34060352 PMID:8132774
It exhibits broad substrate specificity and transports various bile acids, such as taurocholate, cholate, as well as non-bile acid organic compounds, such as estrone sulfate .
PMID:14660639 PMID:34060352
Works collaboratively with the ileal transporter (NTCP2), the organic solute transporter (OST), and the bile salt export pump (BSEP), to ensure efficacious biological recycling of bile acids during enterohepatic circulation PMID:33222321
Solute carrier family 22 member 4
SLC22A4
substrate
Specific functionacetylcholine transmembrane transporter activity
Cellular location
Apical cell membrane
General function & pharmacology
Transporter that mediates the transport of endogenous and microbial zwitterions and organic cations .
PMID:10215651 PMID:15107849 PMID:15795384 PMID:16729965 PMID:20601551 PMID:22206629 PMID:22569296 PMID:29530864
Functions as a Na(+)-dependent and pH-dependent high affinity microbial symporter of potent food-derived antioxidant ergothioeine .
PMID:15795384 PMID:29530864 PMID:33124720
Transports one sodium ion with one ergothioeine molecule (By similarity). Involved in the absorption of ergothioneine from the luminal/apical side of the small intestine and renal tubular cells, and into non-parenchymal liver cells, thereby contributing to maintain steady-state ergothioneine level in the body .
PMID:20601551
Also mediates the bidirectional transport of acetycholine, although the exact transport mechanism has not been fully identified yet .
PMID:22206629
Most likely exports anti-inflammatory acetylcholine in non-neuronal tissues, thereby contributing to the non-neuronal cholinergic system .
PMID:22206629 PMID:22569296
Displays a general physiological role linked to better survival by controlling inflammation and oxidative stress, which may be related to ergothioneine and acetycholine transports .
PMID:15795384 PMID:22206629
May also function as a low-affinity Na(+)-dependent transporter of L-carnitine through the mitochondrial membrane, thereby maintaining intracellular carnitine homeostasis .
PMID:10215651 PMID:15107849 PMID:16729965
May contribute to regulate the transport of cationic compounds in testis across the blood-testis-barrier PMID:35307651
PMID:10215651 PMID:15107849 PMID:15795384 PMID:16729965 PMID:20601551 PMID:22206629 PMID:22569296 PMID:29530864
Functions as a Na(+)-dependent and pH-dependent high affinity microbial symporter of potent food-derived antioxidant ergothioeine .
PMID:15795384 PMID:29530864 PMID:33124720
Transports one sodium ion with one ergothioeine molecule (By similarity). Involved in the absorption of ergothioneine from the luminal/apical side of the small intestine and renal tubular cells, and into non-parenchymal liver cells, thereby contributing to maintain steady-state ergothioneine level in the body .
PMID:20601551
Also mediates the bidirectional transport of acetycholine, although the exact transport mechanism has not been fully identified yet .
PMID:22206629
Most likely exports anti-inflammatory acetylcholine in non-neuronal tissues, thereby contributing to the non-neuronal cholinergic system .
PMID:22206629 PMID:22569296
Displays a general physiological role linked to better survival by controlling inflammation and oxidative stress, which may be related to ergothioneine and acetycholine transports .
PMID:15795384 PMID:22206629
May also function as a low-affinity Na(+)-dependent transporter of L-carnitine through the mitochondrial membrane, thereby maintaining intracellular carnitine homeostasis .
PMID:10215651 PMID:15107849 PMID:16729965
May contribute to regulate the transport of cationic compounds in testis across the blood-testis-barrier PMID:35307651
Broad substrate specificity ATP-binding cassette transporter ABCG2
ABCG2
substrate
Specific functionABC-type xenobiotic transporter activity
Cellular location
Cell membrane
General function & pharmacology
Broad substrate specificity ATP-dependent transporter of the ATP-binding cassette (ABC) family that actively extrudes a wide variety of physiological compounds, dietary toxins and xenobiotics from cells .
PMID:11306452 PMID:12958161 PMID:19506252 PMID:20705604 PMID:28554189 PMID:30405239 PMID:31003562
Involved in porphyrin homeostasis, mediating the export of protoporphyrin IX (PPIX) from both mitochondria to cytosol and cytosol to extracellular space, it also functions in the cellular export of heme .
PMID:20705604 PMID:23189181
Also mediates the efflux of sphingosine-1-P from cells .
PMID:20110355
Acts as a urate exporter functioning in both renal and extrarenal urate excretion .
PMID:19506252 PMID:20368174 PMID:22132962 PMID:31003562 PMID:36749388
In kidney, it also functions as a physiological exporter of the uremic toxin indoxyl sulfate (By similarity). Also involved in the excretion of steroids like estrone 3-sulfate/E1S, 3beta-sulfooxy-androst-5-en-17-one/DHEAS, and other sulfate conjugates .
PMID:12682043 PMID:28554189 PMID:30405239
Mediates the secretion of the riboflavin and biotin vitamins into milk (By similarity). Extrudes pheophorbide a, a phototoxic porphyrin catabolite of chlorophyll, reducing its bioavailability (By similarity).
Plays an important role in the exclusion of xenobiotics from the brain (Probable). It confers to cells a resistance to multiple drugs and other xenobiotics including mitoxantrone, pheophorbide, camptothecin, methotrexate, azidothymidine, and the anthracyclines daunorubicin and doxorubicin, through the control of their efflux .
PMID:11306452 PMID:12477054 PMID:15670731 PMID:18056989 PMID:31254042
In placenta, it limits the penetration of drugs from the maternal plasma into the fetus (By similarity). May play a role in early stem cell self-renewal by blocking differentiation (By similarity).
In inflammatory macrophages, exports itaconate from the cytosol to the extracellular compartment and limits the activation of TFEB-dependent lysosome biogenesis involved in antibacterial innate immune response
PMID:11306452 PMID:12958161 PMID:19506252 PMID:20705604 PMID:28554189 PMID:30405239 PMID:31003562
Involved in porphyrin homeostasis, mediating the export of protoporphyrin IX (PPIX) from both mitochondria to cytosol and cytosol to extracellular space, it also functions in the cellular export of heme .
PMID:20705604 PMID:23189181
Also mediates the efflux of sphingosine-1-P from cells .
PMID:20110355
Acts as a urate exporter functioning in both renal and extrarenal urate excretion .
PMID:19506252 PMID:20368174 PMID:22132962 PMID:31003562 PMID:36749388
In kidney, it also functions as a physiological exporter of the uremic toxin indoxyl sulfate (By similarity). Also involved in the excretion of steroids like estrone 3-sulfate/E1S, 3beta-sulfooxy-androst-5-en-17-one/DHEAS, and other sulfate conjugates .
PMID:12682043 PMID:28554189 PMID:30405239
Mediates the secretion of the riboflavin and biotin vitamins into milk (By similarity). Extrudes pheophorbide a, a phototoxic porphyrin catabolite of chlorophyll, reducing its bioavailability (By similarity).
Plays an important role in the exclusion of xenobiotics from the brain (Probable). It confers to cells a resistance to multiple drugs and other xenobiotics including mitoxantrone, pheophorbide, camptothecin, methotrexate, azidothymidine, and the anthracyclines daunorubicin and doxorubicin, through the control of their efflux .
PMID:11306452 PMID:12477054 PMID:15670731 PMID:18056989 PMID:31254042
In placenta, it limits the penetration of drugs from the maternal plasma into the fetus (By similarity). May play a role in early stem cell self-renewal by blocking differentiation (By similarity).
In inflammatory macrophages, exports itaconate from the cytosol to the extracellular compartment and limits the activation of TFEB-dependent lysosome biogenesis involved in antibacterial innate immune response
Solute carrier family 22 member 2
SLC22A2
inducer
Specific functionacetylcholine transmembrane transporter activity
Cellular location
Basolateral cell membrane
General function & pharmacology
Electrogenic voltage-dependent transporter that mediates the transport of a variety of organic cations such as endogenous bioactive amines, cationic drugs and xenobiotics .
PMID:9260930 PMID:9687576
Functions as a Na(+)-independent, bidirectional uniporter .
PMID:21128598 PMID:9687576
Cation cellular uptake or release is driven by the electrochemical potential, i.e. membrane potential and concentration gradient .
PMID:15212162 PMID:9260930 PMID:9687576
However, may also engage electroneutral cation exchange when saturating concentrations of cation substrates are reached (By similarity). Predominantly expressed at the basolateral membrane of hepatocytes and proximal tubules and involved in the uptake and disposition of cationic compounds by hepatic and renal clearance from the blood flow .
PMID:15783073
Implicated in monoamine neurotransmitters uptake such as histamine, dopamine, adrenaline/epinephrine, noradrenaline/norepinephrine, serotonin and tyramine, thereby supporting a physiological role in the central nervous system by regulating interstitial concentrations of neurotransmitters .
PMID:16581093 PMID:17460754 PMID:9687576
Also capable of transporting dopaminergic neuromodulators cyclo(his-pro), salsolinol and N-methyl-salsolinol, thereby involved in the maintenance of dopaminergic cell integrity in the central nervous system .
PMID:17460754
Mediates the bidirectional transport of acetylcholine (ACh) at the apical membrane of ciliated cell in airway epithelium, thereby playing a role in luminal release of ACh from bronchial epithelium .
PMID:15817714
Also transports guanidine and endogenous monoamines such as vitamin B1/thiamine, creatinine and N-1-methylnicotinamide (NMN) .
PMID:12089365 PMID:15212162 PMID:17072098 PMID:24961373 PMID:9260930
Mediates the uptake and efflux of quaternary ammonium compound choline .
PMID:9260930
Mediates the bidirectional transport of polyamine agmatine and the uptake of polyamines putrescine and spermidine .
PMID:12538837 PMID:21128598
Able to transport non-amine endogenous compounds such as prostaglandin E2 (PGE2) and prostaglandin F2-alpha (PGF2-alpha) .
PMID:11907186
Also involved in the uptake of xenobiotic 4-(4-(dimethylamino)styryl)-N-methylpyridinium (ASP) .
PMID:12395288 PMID:16394027
May contribute to regulate the transport of organic compounds in testis across the blood-testis-barrier (Probable)
PMID:9260930 PMID:9687576
Functions as a Na(+)-independent, bidirectional uniporter .
PMID:21128598 PMID:9687576
Cation cellular uptake or release is driven by the electrochemical potential, i.e. membrane potential and concentration gradient .
PMID:15212162 PMID:9260930 PMID:9687576
However, may also engage electroneutral cation exchange when saturating concentrations of cation substrates are reached (By similarity). Predominantly expressed at the basolateral membrane of hepatocytes and proximal tubules and involved in the uptake and disposition of cationic compounds by hepatic and renal clearance from the blood flow .
PMID:15783073
Implicated in monoamine neurotransmitters uptake such as histamine, dopamine, adrenaline/epinephrine, noradrenaline/norepinephrine, serotonin and tyramine, thereby supporting a physiological role in the central nervous system by regulating interstitial concentrations of neurotransmitters .
PMID:16581093 PMID:17460754 PMID:9687576
Also capable of transporting dopaminergic neuromodulators cyclo(his-pro), salsolinol and N-methyl-salsolinol, thereby involved in the maintenance of dopaminergic cell integrity in the central nervous system .
PMID:17460754
Mediates the bidirectional transport of acetylcholine (ACh) at the apical membrane of ciliated cell in airway epithelium, thereby playing a role in luminal release of ACh from bronchial epithelium .
PMID:15817714
Also transports guanidine and endogenous monoamines such as vitamin B1/thiamine, creatinine and N-1-methylnicotinamide (NMN) .
PMID:12089365 PMID:15212162 PMID:17072098 PMID:24961373 PMID:9260930
Mediates the uptake and efflux of quaternary ammonium compound choline .
PMID:9260930
Mediates the bidirectional transport of polyamine agmatine and the uptake of polyamines putrescine and spermidine .
PMID:12538837 PMID:21128598
Able to transport non-amine endogenous compounds such as prostaglandin E2 (PGE2) and prostaglandin F2-alpha (PGF2-alpha) .
PMID:11907186
Also involved in the uptake of xenobiotic 4-(4-(dimethylamino)styryl)-N-methylpyridinium (ASP) .
PMID:12395288 PMID:16394027
May contribute to regulate the transport of organic compounds in testis across the blood-testis-barrier (Probable)
Multidrug and toxin extrusion protein 1
SLC47A1
inducer
Specific functionantiporter activity
Cellular location
Cell membrane
General function & pharmacology
Multidrug efflux pump that functions as a H(+)/organic cation antiporter .
PMID:16330770 PMID:17509534
Plays a physiological role in the excretion of cationic compounds including endogenous metabolites, drugs, toxins through the kidney and liver, into urine and bile respectively .
PMID:16330770 PMID:17495125 PMID:17509534 PMID:17582384 PMID:18305230 PMID:19158817 PMID:21128598 PMID:24961373
Mediates the efflux of endogenous compounds such as creatinine, vitamin B1/thiamine, agmatine and estrone-3-sulfate .
PMID:16330770 PMID:17495125 PMID:17509534 PMID:17582384 PMID:18305230 PMID:19158817 PMID:21128598 PMID:24961373
May also contribute to regulate the transport of cationic compounds in testis across the blood-testis-barrier (Probable)
PMID:16330770 PMID:17509534
Plays a physiological role in the excretion of cationic compounds including endogenous metabolites, drugs, toxins through the kidney and liver, into urine and bile respectively .
PMID:16330770 PMID:17495125 PMID:17509534 PMID:17582384 PMID:18305230 PMID:19158817 PMID:21128598 PMID:24961373
Mediates the efflux of endogenous compounds such as creatinine, vitamin B1/thiamine, agmatine and estrone-3-sulfate .
PMID:16330770 PMID:17495125 PMID:17509534 PMID:17582384 PMID:18305230 PMID:19158817 PMID:21128598 PMID:24961373
May also contribute to regulate the transport of cationic compounds in testis across the blood-testis-barrier (Probable)
Solute carrier organic anion transporter family member 1B3
SLCO1B3
substrate
Specific functionbile acid transmembrane transporter activity
Cellular location
Basolateral cell membrane
General function & pharmacology
Mediates the Na(+)-independent uptake of organic anions .
PMID:10779507 PMID:15159445 PMID:17412826
Shows broad substrate specificity, can transport both organic anions such as bile acid taurocholate (cholyltaurine) and conjugated steroids (17-beta-glucuronosyl estradiol, dehydroepiandrosterone sulfate (DHEAS), and estrone 3-sulfate), as well as eicosanoid leukotriene C4, prostaglandin E2 and L-thyroxine (T4) .
PMID:10779507 PMID:11159893 PMID:12568656 PMID:15159445 PMID:17412826 PMID:19129463
Hydrogencarbonate/HCO3(-) acts as the probable counteranion that exchanges for organic anions .
PMID:19129463
Shows a pH-sensitive substrate specificity towards sulfated steroids, taurocholate and T4 which may be ascribed to the protonation state of the binding site and leads to a stimulation of substrate transport in an acidic microenvironment .
PMID:19129463
Involved in the clearance of bile acids and organic anions from the liver .
PMID:22232210
Can take up bilirubin glucuronides from plasma into the liver, contributing to the detoxification-enhancing liver-blood shuttling loop .
PMID:22232210
Transports coproporphyrin I and III, by-products of heme synthesis, and may be involved in their hepatic disposition .
PMID:26383540
May contribute to regulate the transport of organic compounds in testes across the blood-testis-barrier (Probable). Can transport HMG-CoA reductase inhibitors (also known as statins) such as pitavastatin, a clinically important class of hypolipidemic drugs .
PMID:15159445
May play an important role in plasma and tissue distribution of the structurally diverse chemotherapeutic drugs methotrexate and paclitaxel .
PMID:23243220
May also transport antihypertension agents, such as the angiotensin-converting enzyme (ACE) inhibitor prodrug enalapril, and the highly selective angiotensin II AT1-receptor antagonist valsartan, in the liver PMID:16624871 PMID:16627748
PMID:10779507 PMID:15159445 PMID:17412826
Shows broad substrate specificity, can transport both organic anions such as bile acid taurocholate (cholyltaurine) and conjugated steroids (17-beta-glucuronosyl estradiol, dehydroepiandrosterone sulfate (DHEAS), and estrone 3-sulfate), as well as eicosanoid leukotriene C4, prostaglandin E2 and L-thyroxine (T4) .
PMID:10779507 PMID:11159893 PMID:12568656 PMID:15159445 PMID:17412826 PMID:19129463
Hydrogencarbonate/HCO3(-) acts as the probable counteranion that exchanges for organic anions .
PMID:19129463
Shows a pH-sensitive substrate specificity towards sulfated steroids, taurocholate and T4 which may be ascribed to the protonation state of the binding site and leads to a stimulation of substrate transport in an acidic microenvironment .
PMID:19129463
Involved in the clearance of bile acids and organic anions from the liver .
PMID:22232210
Can take up bilirubin glucuronides from plasma into the liver, contributing to the detoxification-enhancing liver-blood shuttling loop .
PMID:22232210
Transports coproporphyrin I and III, by-products of heme synthesis, and may be involved in their hepatic disposition .
PMID:26383540
May contribute to regulate the transport of organic compounds in testes across the blood-testis-barrier (Probable). Can transport HMG-CoA reductase inhibitors (also known as statins) such as pitavastatin, a clinically important class of hypolipidemic drugs .
PMID:15159445
May play an important role in plasma and tissue distribution of the structurally diverse chemotherapeutic drugs methotrexate and paclitaxel .
PMID:23243220
May also transport antihypertension agents, such as the angiotensin-converting enzyme (ACE) inhibitor prodrug enalapril, and the highly selective angiotensin II AT1-receptor antagonist valsartan, in the liver PMID:16624871 PMID:16627748
Carriers(2)
Proteins that carry this drug through the body
Albumin
ALB
binder
Specific functionantioxidant activity
Cellular location
Secreted
General function & pharmacology
Binds water, Ca(2+), Na(+), K(+), fatty acids, hormones, bilirubin and drugs (Probable). Its main function is the regulation of the colloidal osmotic pressure of blood (Probable). Major zinc transporter in plasma, typically binds about 80% of all plasma zinc .
PMID:19021548
Major calcium and magnesium transporter in plasma, binds approximately 45% of circulating calcium and magnesium in plasma (By similarity).
Potentially has more than two calcium-binding sites and might additionally bind calcium in a non-specific manner (By similarity). The shared binding site between zinc and calcium at residue Asp-273 suggests a crosstalk between zinc and calcium transport in the blood (By similarity). The rank order of affinity is zinc > calcium > magnesium (By similarity).
Binds to the bacterial siderophore enterobactin and inhibits enterobactin-mediated iron uptake of E.coli from ferric transferrin, and may thereby limit the utilization of iron and growth of enteric bacteria such as E.coli .
PMID:6234017
Does not prevent iron uptake by the bacterial siderophore aerobactin PMID:6234017
PMID:19021548
Major calcium and magnesium transporter in plasma, binds approximately 45% of circulating calcium and magnesium in plasma (By similarity).
Potentially has more than two calcium-binding sites and might additionally bind calcium in a non-specific manner (By similarity). The shared binding site between zinc and calcium at residue Asp-273 suggests a crosstalk between zinc and calcium transport in the blood (By similarity). The rank order of affinity is zinc > calcium > magnesium (By similarity).
Binds to the bacterial siderophore enterobactin and inhibits enterobactin-mediated iron uptake of E.coli from ferric transferrin, and may thereby limit the utilization of iron and growth of enteric bacteria such as E.coli .
PMID:6234017
Does not prevent iron uptake by the bacterial siderophore aerobactin PMID:6234017
Sex hormone-binding globulin
SHBG
binder
Specific functionandrogen binding
Cellular location
Secreted
General function & pharmacology
Functions as an androgen transport protein, but may also be involved in receptor mediated processes. Each dimer binds one molecule of steroid. Specific for 5-alpha-dihydrotestosterone, testosterone, and 17-beta-estradiol.
Regulates the plasma metabolic clearance rate of steroid hormones by controlling their plasma concentration
Regulates the plasma metabolic clearance rate of steroid hormones by controlling their plasma concentration
Scientific references(5)
Lachance S., Dhingra O., Bernstein J., Gagnon S., Savard C., Pelletier N., Boudreau N., Levesque A.
Importance of measuring testosterone in enzyme-inhibited plasma for oral testosterone undecanoate androgen replacement therapy clinical trials.
Future Science OA
2015 Nov 11(4):FSO55. doi: 10.4155/fso.15.55. eCollection 2015 Nov
Swerdloff R.S., Wang C., White W.B., Kaminetsky J., Gittelman M.C., Longstreth J.A., Dudley R.E., Danoff T.M.
A New Oral Testosterone Undecanoate Formulation Restores Testosterone to Normal Concentrations in Hypogonadal Men.
Journal Clinical Endocrinol Metabolism
2020 Aug 1105(8). pii: 5834353. doi: 10.1210/clinem/dgaa238
Barbonetti A., D'Andrea S., Francavilla S.
Testosterone replacement therapy.
Andrology
2020 Nov8(6):1551-1566. doi: 10.1111/andr.12774. Epub 2020 Mar 9
Davey R.A., Grossmann M.
Targeting androgen receptor degradation with PROTACs from bench to bedside.
Biomedicine & Pharmacotherapy
2023158:114112. doi: 10.1016/j.biopha.2022.114112
Tauber U., Schroder K., Dusterberg B., Matthes H.
Absolute bioavailability of testosterone after oral administration of testosterone-undecanoate and testosterone.
European Journal of Drug Metabolism and Pharmacokinetics
198611(2):145-149. doi: 10.1007/bf03189840
Affected organisms(1)
Humans and other mammals
Experimental properties(1)
Commercial products(13)
Chemical identifiers
CAS, UNII, InChI Key and database cross-references
Show
Chemical identifiers
CAS, UNII, InChI Key and database cross-references
Linked compound data from DrugBank Open Data (CC BY-NC 4.0)
Testosterone undecanoate
Additional database identifiers
Drugs Product Database (DPD)
7469
ChemSpider
58664
ZINC
ZINC000008214690
HUGO Gene Nomenclature Committee (HGNC)
HGNC:644
GenAtlas
AR
GeneCards
AR
GenBank Gene Database
M20132
GenBank Protein Database
178628
Guide to Pharmacology
628
UniProt Accession
ANDR_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:2637
GenAtlas
CYP3A4
GeneCards
CYP3A4
GenBank Gene Database
M18907
Guide to Pharmacology
1337
UniProt Accession
CP3A4_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:6833
GenAtlas
MAOA
GeneCards
MAOA
GenBank Gene Database
M68840
GenBank Protein Database
187353
Guide to Pharmacology
2489
UniProt Accession
AOFA_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:2590
GeneCards
CYP11A1
GenBank Gene Database
M14565
GenBank Protein Database
181376
Guide to Pharmacology
1358
UniProt Accession
CP11A_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:2638
GenAtlas
CYP3A5
GeneCards
CYP3A5
GenBank Gene Database
J04813
GenBank Protein Database
181346
Guide to Pharmacology
1338
UniProt Accession
CP3A5_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:2640
GeneCards
CYP3A7
GenBank Gene Database
D00408
GenBank Protein Database
220149
UniProt Accession
CP3A7_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:2595
GeneCards
CYP1A1
GenBank Gene Database
K03191
GenBank Protein Database
181276
Guide to Pharmacology
1318
UniProt Accession
CP1A1_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:2597
GenAtlas
CYP1B1
GeneCards
CYP1B1
GenBank Gene Database
U03688
GenBank Protein Database
501031
Guide to Pharmacology
1320
UniProt Accession
CP1B1_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:2608
GeneCards
CYP2A13
GenBank Gene Database
AF209774
GenBank Protein Database
11494143
Guide to Pharmacology
1323
UniProt Accession
CP2AD_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:2615
GeneCards
CYP2B6
GenBank Gene Database
M29874
GenBank Protein Database
181296
Guide to Pharmacology
1324
UniProt Accession
CP2B6_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:2621
GeneCards
CYP2C19
GenBank Gene Database
M61854
GenBank Protein Database
181344
Guide to Pharmacology
1328
UniProt Accession
CP2CJ_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:2622
GenAtlas
CYP2C8
GeneCards
CYP2C8
GenBank Gene Database
M17397
Guide to Pharmacology
1325
UniProt Accession
CP2C8_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:2623
GenAtlas
CYP2C9
GeneCards
CYP2C9
GenBank Gene Database
AY341248
Guide to Pharmacology
1326
UniProt Accession
CP2C9_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:17450
GeneCards
CYP3A43
GenBank Gene Database
AF319634
GenBank Protein Database
12642642
UniProt Accession
CP343_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:11284
GenAtlas
SRD5A1
GeneCards
SRD5A1
GenBank Gene Database
M32313
GenBank Protein Database
177767
UniProt Accession
S5A1_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:11285
GenAtlas
SRD5A2
GeneCards
SRD5A2
GenBank Gene Database
M74047
GenBank Protein Database
338469
Guide to Pharmacology
2633
UniProt Accession
S5A2_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:25812
GeneCards
SRD5A3
UniProt Accession
SR5A3_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:2594
GenAtlas
CYP19A1
GeneCards
CYP19A1
GenBank Gene Database
M22246
GenBank Protein Database
179002
Guide to Pharmacology
1362
UniProt Accession
CP19A_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:399
GenAtlas
ALB
GeneCards
ALB
GenBank Gene Database
V00494
GenBank Protein Database
28590
UniProt Accession
ALBU_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:10839
GenAtlas
SHBG
GeneCards
SHBG
GenBank Gene Database
X16349
GenBank Protein Database
296673
UniProt Accession
SHBG_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:10956
GeneCards
SLCO1A2
GenBank Gene Database
U21943
GenBank Protein Database
885978
Guide to Pharmacology
1219
UniProt Accession
SO1A2_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:10972
GeneCards
SLC22A8
GenBank Gene Database
AF097491
GenBank Protein Database
4378059
Guide to Pharmacology
1027
UniProt Accession
S22A8_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:10971
GeneCards
SLC22A7
GenBank Gene Database
AF097518
GenBank Protein Database
5001689
UniProt Accession
S22A7_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:40
GenAtlas
ABCB1
GeneCards
ABCB1
GenBank Gene Database
M14758
GenBank Protein Database
307180
Guide to Pharmacology
768
UniProt Accession
MDR1_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:10905
GeneCards
SLC10A1
GenBank Gene Database
L21893
GenBank Protein Database
410214
Guide to Pharmacology
959
UniProt Accession
NTCP_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:10968
GenAtlas
SLC22A4
GeneCards
SLC22A4
GenBank Gene Database
AB007448
GenBank Protein Database
2605501
UniProt Accession
S22A4_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:74
GenAtlas
ABCG2
GeneCards
ABCG2
GenBank Gene Database
AF103796
GenBank Protein Database
4185796
Guide to Pharmacology
792
UniProt Accession
ABCG2_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:10966
GeneCards
SLC22A2
GenBank Gene Database
X98333
GenBank Protein Database
2281942
Guide to Pharmacology
1020
UniProt Accession
S22A2_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:25588
GeneCards
SLC47A1
GenBank Gene Database
AK001709
GenBank Protein Database
7023138
Guide to Pharmacology
1216
UniProt Accession
S47A1_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:10961
GeneCards
SLCO1B3
GenBank Gene Database
AJ251506
GenBank Protein Database
9187497
Guide to Pharmacology
1221
UniProt Accession
SO1B3_HUMAN
Patent information
31 active patents, 1 expired
11464735
United States
Approved 11 Oct 2022 · Expires 28 Apr 2041
15 years
12403146
United States
Approved 29 Mar 2021 · Expires 29 Mar 2041
14y 12m
12011503
United States
Approved 18 Jun 2024 · Expires 16 Oct 2040
14y 6m
11564933
United States
Approved 31 Jan 2023 · Expires 12 Apr 2039
13 years
12310978
United States
Approved 21 Feb 2019 · Expires 21 Feb 2039
12y 10m
The earliest active patent expires April 2026. Generic versions may become available after this date.
Source: DrugBank · CC BY-NC 4.0. Patent data sourced from national patent offices. Expiry dates may not reflect extensions, regulatory exclusivity periods, or legal challenges.
DrugBank citations
If you use DrugBank data in your research, please cite the following publications:
Knox C., Wilson M., Klinger C.M., et al
DrugBank 6.
0: the DrugBank Knowledgebase for 2024
Nucleic Acids Res. 2024 Jan 552(D1):D1265-D1275
Wishart D.S., Feunang Y.D., Guo A.C., et al
DrugBank 5.
0: a major update to the DrugBank database for 2018
Nucleic Acids Res. 2017 Nov 846(D1):D1074-D1082
Show earlier publications
Law V., Knox C., Djoumbou Y., et al
DrugBank 4.
0: shedding new light on drug metabolism
Nucleic Acids Res. 2014 Jan 142(1):D1091-7
Knox C., Law V., Jewison T., et al
DrugBank 3.
0: a comprehensive resource for 'omics' research on drugs
Nucleic Acids Res. 2011 Jan39(Database issue):D1035-41
Wishart D.S., Knox C., Guo A.C., et al
DrugBank: a knowledgebase for drugs, drug actions and drug targets.
Nucleic Acids Research
2008 Jan36(Database issue):D901-6
Wishart D.S., Knox C., Guo A.C., et al
DrugBank: a comprehensive resource for in silico drug discovery and exploration.
Nucleic Acids Research
2006 Jan 134(Database issue):D668-72
Source: go.drugbank.comCC BY-NC 4.0
Updated 26 days ago(8 Mar 2026)