Accession Number

Pregnanes which have undergone ring contractions or are lacking carbon-18 or carbon-19. Unsaturation in the steroid ring system is not included.

DrugDrug Description
EtonogestrelA long-acting synthetic derived progestin contraceptive used in various devices such as contraceptive rings and intradermal implants.
DesogestrelA synthetic progestin used in contraception, often in combination with ethinyl estradiol.
LevonorgestrelA progestin found in oral and IUD contraceptives and at higher doses in emergency contraceptives.
NorgestimateA progesterone used as a contraceptive and to treat acne vulgaris.
EthinylestradiolAn estradiol used as a contraceptive.
Segesterone acetateSegesterone acetate in combination with ethinyl estradiol is indicated for use by females of reproductive potential to prevent pregnancy as a combination hormonal contraceptive (CHC). It induces contraception for thirteen...
Ethynodiol diacetateAn oral contraceptive used to prevent pregnancy.
MestranolA synthetic estradiol found in oral contraceptive pills for contraception and the treatment of other conditions in the female reproductive system, such as dysmenorrhea and dysfunctional uterine bleeding.
EthylestrenolAn anabolic steroid with some progestational activity and little androgenic effect. [PubChem]
QuinestrolUsed in hormone replacement therapy, treating symptoms of menopause such as hot flashes. Also used to treat breast and prostate cancer.
Telapristone acetateFor the treatment of uterine fibroids and endometriosis.
NorelgestrominA progestin used for the prevention of pregnancy in women who elect to use a transdermal patch as a method of contraception.
GestodeneGestodene is a progestogen hormonal contraceptive. Products containing gestoden include Meliane, which contains 20 mcg of ethinylestradiol and 75 mcg of gestodene; and Gynera, which contains 30 mcg of ethinylestradiol...
TetrahydrogestrinoneNot Available
UlipristalA selective progesterone receptor modulator used for emergency contraception after unprotected intercourse or in a situation where a planned method of contraception has failed.
TiboloneFor the relief of post-menopausal symptoms and for the prevention of osteoporosis .
NorethynodrelA synthetic progestational hormone with actions and uses similar to those of PROGESTERONE. It has been used in the treatment of functional uterine bleeding and endometriosis. As a contraceptive, it...
NorgestrelA progestin used in combination with ethinyl estradiol for oral contraception and prevention of pregnancy in women.
GestrinoneEndometriosis with or without accompanying sterility. Treatment is limited to a single course of 6 months duration per lifetime [L1699, L1700].
LynestrenolA progestin used for contraception and in the treatment of menstrual disorders.
NorethandroloneNorethandrolone is under investigation in clinical trial NCT00700544 (Treatment Outcome in Elderly Patients).
TrimegestoneTrimegestone has been used in trials studying the treatment of Postmenopause.
MoxestrolNot Annotated
NorgestrienoneNot Annotated
PromegestoneNot Annotated
QuingestanolNot Annotated
DemegestoneDemegestone is a progesterone receptor agonist that was previously used to treat luteal insufficiency. It was previously marketed in France as Lutionex, but has since been discontinued.
EtynodiolEtynodiol (INN), or ethynodiol (BAN) is a steroidal progestin related to norethisterone which was never marketed. While etynodiol is sometimes used as a synonym for etynodiol diacetate, it usually refers...
Nomegestrol acetateNomegestrol acetate, also known as NOMAC, is a progestin used in oral contraceptives, menopausal hormone therapy, and for the treatment of gynecological disorders.
Gestonorone caproateNot Annotated
Norethindrone enanthateA synthetic progestogen indicated for contraceptive therapy.
Quingestanol acetateNot Annotated
IfidancitinibIfidancitinib is under investigation in clinical trial NCT03585296 (A Study of ATI-502 Topical Solution for the Treatment of Atopic Dermatitis).
Drugs & Drug Targets
EtonogestrelProgesterone receptortarget
EtonogestrelCytochrome P450 3A4enzyme
EtonogestrelSerum albumincarrier
EtonogestrelSex hormone-binding globulincarrier
DesogestrelProgesterone receptortarget
DesogestrelEstrogen receptor alphatarget
DesogestrelCytochrome P450 3A4enzyme
DesogestrelSerum albumincarrier
DesogestrelSex hormone-binding globulincarrier
DesogestrelCytochrome P450 2C9enzyme
DesogestrelUDP-glucuronosyltransferase 1-1enzyme
LevonorgestrelProgesterone receptortarget
LevonorgestrelEstrogen receptor alphatarget
Levonorgestrel3-oxo-5-alpha-steroid 4-dehydrogenase 1target
LevonorgestrelCytochrome P450 3A4enzyme
LevonorgestrelAndrogen receptortarget
LevonorgestrelSex hormone-binding globulintarget
LevonorgestrelGlucocorticoid receptortarget
LevonorgestrelCytochrome P450 3A5enzyme
NorgestimateProgesterone receptortarget
NorgestimateEstrogen receptor alphatarget
NorgestimateCanalicular multispecific organic anion transporter 1transporter
NorgestimateCytochrome P450 3A4enzyme
NorgestimateAndrogen receptortarget
NorgestimateCytochrome P450 2B6enzyme
NorgestimateCytochrome P450 2C9enzyme
NorgestimateUDP-glucuronosyltransferase 1-1enzyme
NorgestimateSerum albumincarrier
NorgestimateSex hormone-binding globulincarrier
NorgestimateP-glycoprotein 1transporter
EthinylestradiolEstrogen receptor alphatarget
EthinylestradiolNuclear receptor subfamily 1 group I member 2target
EthinylestradiolCytochrome P450 3A4enzyme
EthinylestradiolCytochrome P450 2C8enzyme
EthinylestradiolBile salt export pumptransporter
EthinylestradiolSodium/bile acid cotransportertransporter
EthinylestradiolCanalicular multispecific organic anion transporter 1transporter
EthinylestradiolP-glycoprotein 1transporter
EthinylestradiolUDP-glucuronosyltransferase 1-1enzyme
EthinylestradiolCytochrome P450 2C19enzyme
EthinylestradiolUDP-glucuronosyltransferase 1-4enzyme
EthinylestradiolUDP-glucuronosyltransferase 1-9enzyme
EthinylestradiolCytochrome P450 2C9enzyme
EthinylestradiolCytochrome P450 1A2enzyme
EthinylestradiolEstrogen sulfotransferaseenzyme
EthinylestradiolSulfotransferase 1A3/1A4enzyme
EthinylestradiolCytochrome P450 3A5enzyme
EthinylestradiolUDP-glucuronosyltransferase 2B7enzyme
EthinylestradiolUDP-glucuronosyltransferase 1-3enzyme
EthinylestradiolCatechol O-methyltransferaseenzyme
EthinylestradiolSolute carrier organic anion transporter family member 1A2transporter
EthinylestradiolSerum albumincarrier
EthinylestradiolSex hormone-binding globulincarrier
Segesterone acetateGlucocorticoid receptortarget
Segesterone acetateProgesterone receptortarget
Segesterone acetateAndrogen receptortarget
Segesterone acetateCytochrome P450 3A4enzyme
Ethynodiol diacetateEstrogen receptor alphatarget
Ethynodiol diacetateProgesterone receptortarget
Ethynodiol diacetateCytochrome P450 3A4enzyme
MestranolEstrogen receptor alphatarget
MestranolCytochrome P450 2C9enzyme
MestranolCytochrome P450 3A4enzyme
MestranolCytochrome P450 2C8enzyme
QuinestrolEstrogen receptor alphatarget
Telapristone acetateProgesterone receptortarget
NorelgestrominProgesterone receptortarget
NorelgestrominSerum albumintarget
NorelgestrominAndrogen receptortarget
NorelgestrominCytochrome P450 3A4enzyme
GestodeneCytochrome P450 3A5enzyme
GestodeneCytochrome P450 3A7enzyme
GestodeneProgesterone receptortarget
GestodeneCytochrome P450 3A4enzyme
GestodeneCytochrome P450 2C19enzyme
TetrahydrogestrinoneAndrogen receptortarget
UlipristalProgesterone receptortarget
UlipristalGlucocorticoid receptortarget
UlipristalAndrogen receptortarget
UlipristalCytochrome P450 3A4enzyme
UlipristalCytochrome P450 1A2enzyme
UlipristalSerum albumincarrier
UlipristalAlpha-1-acid glycoprotein 1carrier
TiboloneEstrogen receptor alphatarget
Tibolone3 beta-hydroxysteroid dehydrogenase/Delta 5-->4-isomerase type 1enzyme
Tibolone3 beta-hydroxysteroid dehydrogenase/Delta 5-->4-isomerase type 2enzyme
TiboloneSulfotransferase 1A1enzyme
TiboloneSerum albumincarrier
NorethynodrelEstrogen receptor alphatarget
NorethynodrelAndrogen receptortarget
NorethynodrelSex hormone-binding globulintarget
NorethynodrelCytochrome P450 3A4enzyme
NorgestrelProgesterone receptortarget
Norgestrel3-oxo-5-alpha-steroid 4-dehydrogenase 1target
NorgestrelAndrogen receptortarget
NorgestrelCytochrome P450 3A4enzyme
NorgestrelCytochrome P450 19A1enzyme
GestrinoneSex hormone-binding globulintarget
GestrinoneProgesterone receptortarget
GestrinoneGlucocorticoid receptortarget
GestrinoneAndrogen receptortarget
GestrinoneGonadotropin-releasing hormone receptortarget
GestrinoneEstrogen receptor alphatarget
GestrinoneCytochrome P450 3A4enzyme
LynestrenolCytochrome P450 3A4enzyme
LynestrenolCytochrome P450 2C9enzyme
LynestrenolCytochrome P450 2C19enzyme
PromegestoneCytochrome P450 3A4enzyme
QuingestanolCytochrome P450 3A4enzyme
DemegestoneProgesterone receptortarget
DemegestoneCytochrome P450 3A4enzyme
EtynodiolCytochrome P450 3A4enzyme
Nomegestrol acetateCytochrome P450 3A4enzyme
Norethindrone enanthateCytochrome P450 3A4enzyme