U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

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Showing 13471 - 13480 of 14117 results

Sulfamethazine is a sulfonamide used to treat a variety of bacterial diseases in animals. It inhibits bacterial synthesis of dihydrofolic acid by competing with para-aminobenzoic acid (PABA) for binding to dihydropteroate synthetase (dihydrofolate synthetase).
Status:
US Previously Marketed
First approved in 1947
Source:
Synestrol by White (Schering)
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Dienestrol (INN, USAN) (brand names Ortho Dienestrol, Dienoestrol, Dienoestrol Ortho, Sexadien, Denestrolin, Dienol, Dinovex, Follormon, Oestrodiene, Synestrol, numerous others) is a synthetic, non-steroidal estrogen. It is an estrogen receptor agonist. Estrogens work partly by increasing a normal clear discharge from the vagina and making the vulva and urethra healthy. Using or applying an estrogen relieves or lessens: dryness and soreness in the vagina, itching, redness, or soreness of the vulva. Conditions that are treated with vaginal estrogens include a genital skin condition (vulvar atrophy), inflammation of the vagina (atrophic vaginitis), and inflammation of the urethra (atrophic urethritis). Dienestrol currently discontinued in US, but still in market in some other counties
Status:
US Previously Marketed
First approved in 1947
Source:
Synestrol by White (Schering)
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Dienestrol (INN, USAN) (brand names Ortho Dienestrol, Dienoestrol, Dienoestrol Ortho, Sexadien, Denestrolin, Dienol, Dinovex, Follormon, Oestrodiene, Synestrol, numerous others) is a synthetic, non-steroidal estrogen. It is an estrogen receptor agonist. Estrogens work partly by increasing a normal clear discharge from the vagina and making the vulva and urethra healthy. Using or applying an estrogen relieves or lessens: dryness and soreness in the vagina, itching, redness, or soreness of the vulva. Conditions that are treated with vaginal estrogens include a genital skin condition (vulvar atrophy), inflammation of the vagina (atrophic vaginitis), and inflammation of the urethra (atrophic urethritis). Dienestrol currently discontinued in US, but still in market in some other counties
Status:
US Previously Marketed
First approved in 1947
Source:
Synestrol by White (Schering)
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Dienestrol (INN, USAN) (brand names Ortho Dienestrol, Dienoestrol, Dienoestrol Ortho, Sexadien, Denestrolin, Dienol, Dinovex, Follormon, Oestrodiene, Synestrol, numerous others) is a synthetic, non-steroidal estrogen. It is an estrogen receptor agonist. Estrogens work partly by increasing a normal clear discharge from the vagina and making the vulva and urethra healthy. Using or applying an estrogen relieves or lessens: dryness and soreness in the vagina, itching, redness, or soreness of the vulva. Conditions that are treated with vaginal estrogens include a genital skin condition (vulvar atrophy), inflammation of the vagina (atrophic vaginitis), and inflammation of the urethra (atrophic urethritis). Dienestrol currently discontinued in US, but still in market in some other counties
Status:
US Previously Marketed
Source:
Hexestrol by Various Mfrs.
(1943)
Source URL:
First approved in 1943
Source:
Hexestrol by Various Mfrs.
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Hexestrol (INN) (brand name Synoestrol, Estrifar, Estronal, numerous others), also known as hexoestrol, and dihydro-diethylstilbestrol, is a synthetic, non-steroidal estrogen of the stilbestrol group related to diethylstilbestrol that was used to treat estrogen deficiency but is now no longer employed medically. Hexestrol has also been available and used in ester form, including as hexestrol diacetate, hexestrol dicaprylate, hexestrol diphosphate, and hexestrol dipropionate.
Status:
US Previously Marketed
Source:
Hexestrol by Various Mfrs.
(1943)
Source URL:
First approved in 1943
Source:
Hexestrol by Various Mfrs.
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Hexestrol (INN) (brand name Synoestrol, Estrifar, Estronal, numerous others), also known as hexoestrol, and dihydro-diethylstilbestrol, is a synthetic, non-steroidal estrogen of the stilbestrol group related to diethylstilbestrol that was used to treat estrogen deficiency but is now no longer employed medically. Hexestrol has also been available and used in ester form, including as hexestrol diacetate, hexestrol dicaprylate, hexestrol diphosphate, and hexestrol dipropionate.
Status:
US Previously Marketed
Source:
Hexestrol by Various Mfrs.
(1943)
Source URL:
First approved in 1943
Source:
Hexestrol by Various Mfrs.
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Hexestrol (INN) (brand name Synoestrol, Estrifar, Estronal, numerous others), also known as hexoestrol, and dihydro-diethylstilbestrol, is a synthetic, non-steroidal estrogen of the stilbestrol group related to diethylstilbestrol that was used to treat estrogen deficiency but is now no longer employed medically. Hexestrol has also been available and used in ester form, including as hexestrol diacetate, hexestrol dicaprylate, hexestrol diphosphate, and hexestrol dipropionate.
Status:
US Previously Marketed
Source:
Vonedrine hydrochloride by Merrell (MerrellNational)
(1943)
Source URL:
First approved in 1943
Source:
Vonedrine hydrochloride by Merrell (MerrellNational)
Source URL:

Class (Stereo):
CHEMICAL (RACEMIC)

Phenpromethamine is an adrenergic agent. Phenpromethamine was used as vasodilator agent. It is a stimulant which is banned in sport. It is available in supplements which are sold as fat burners or pre-workout boosters. Phenpromethamine is a potent CYP2D6 inhibitor.
Status:
US Previously Marketed
Source:
Nethamine by Merrell (MerrellNational)
(1942)
Source URL:
First approved in 1942
Source:
Nethamine by Merrell (MerrellNational)
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)



Etafedrine, a sympathomimetic agent that acts on the sympathetic receptors of the bronchial tree relaxing spasm in a manner similar to that of ephedrine, is a bronchodilator and a selective β2-adrenoreceptor agonist. Contraction of the guinea pig tracheal chain by acetylcholine or histamine was antagonized by etafedrine with a higher potency then ephedrine but with a lower potency than epinephrine (adrenaline). Etafedrine did not increase heart rate or force of contraction in guinea pig atria. Unlike ephedrine and tyramine, etafedrine did not induce the release of noradrenaline as was demonstrated in vitro in the perfused rabbit heart and instead acted as a selective β2 adrenoreceptor agonist. Etafedrine also belongs to the family of medications called decongestants. It works by narrowing blood vessels in the nasal passages, helping to relieve nasal stuffiness. Etafedrine has been used in pharmaceutical compositions, such as NETHAPRIN Expectorant, Nethaprin Dospan and Dalmacol, useful in the treatment of asthma and other respiratory disorders including chronic bronchitis.
Diethylstilbestrol is a synthetic non-steroidal estrogen. It is used in the treatment of menopausal and postmenopausal disorders, prostate cancer and in the prevention of miscarriage or premature delivery in pregnant women prone to miscarriage or premature delivery. Diethylstilbestrol is a very potent full agonist of the estrogen receptors. At the cellular level, estrogens increase the synthesis of DNA, RNA, and various proteins in target tissues. Pituitary mass is also increased. Estrogens reduce the release of gonadotropin-releasing hormone from the hypothalamus, leading to a reduction in release of follicle-stimulating hormone and luteinizing hormone from the pituitary. Adverse effects are: breast pain or tenderness, enlargement of breasts, gynecomastia, peripheral edema and others. Estrogens may interfere with the effects of bromocriptine. Dosage adjustment may be needed. Concurrent use with estrogens may alter the metabolism and protein binding of the glucocorticoids, leading to decreased clearance, increased elimination half-life, and increased therapeutic and toxic effects of the glucocorticoids.

Showing 13471 - 13480 of 14117 results