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

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Showing 1581 - 1590 of 1617 results

Roxatidine is an histamine H2-receptor antagonist. Roxatidine is a potent and selective inhibitor of basal and stimulated gastric acid secretion through competitive blockade of H2-receptors. Total pepsin secretion is reduced in a dose-dependent manner. There is an independent mucosal protection action. Roxatidine is indicated for the treatment of peptic ulcer, gastro-oesophageal reflux disease, gastritis, upper gastrointestinal haemorrhage and Zollinger-Ellison syndrome also it can be used as a premedication before anaesthesia. Roxatidine possessed a robust estrogenic activity.
Status:
Possibly Marketed Outside US

Class (Stereo):
CHEMICAL (MIXED)


Eprozinol inhibits bronchoconstriction by an action on histamine H1 receptors and has been used in the treatment of asthma and bronchitis. No significant changes in cAMP and cGMP levels are observed in guinea pig trachea, with eprozinol or isoprenaline, at doses capable of inducing relaxation. Eprozinol is only a very weak phosphodiesterase inhibitor, at large concentrations. The anti-bronchoconstrictor activities of eprozinol and isoprenaline with regard to histamine are directly additive and show absolutely no interference with one another. Propranolol is without effect on in vivo anti-bronchoconstrictor activity of eprozinol on tracheal musculature. It is concluded, that the mechanisms brought into play by eprozinol to exert anti-bronchoconstrictor and bronchorelaxant activity, are completely independent of the adrenergic system. In a retrospective study of 199 cases of accidental or intentional acute poisoning with eprozinol, eprazinone and zipeprol, collected at the Poison Control Center were seven cases of seizures, all after ingestion of eight times the therapeutic dose. They resolved rapidly and without recurrence with symptomatic treatment.
Status:
Possibly Marketed Outside US

Class (Stereo):
CHEMICAL (ACHIRAL)



Chloropyramine is an antagonist of H1 histamine receptors. It is indicated for the treatment of various forms of allergic reactions. Chloropyramine is a drug capable of (1) inhibiting the biochemical function of VEGFR-3 and FAK, (2) inhibiting proliferation of a diverse set of cancer cell types in vitro, and (3) reducing tumor growth in vivo.
Status:
Possibly Marketed Outside US

Class (Stereo):
CHEMICAL (ACHIRAL)

Talastine (trade name Ahanon), an alkylamine H1-antihistamine, was studied as a reason for an allergic drug exanthema.

Class (Stereo):
CHEMICAL (RACEMIC)



Iproheptine (Metron, Susat) is a vasoconstrictor, antihistamine, nasal decongestant marketed in Japan.

Class (Stereo):
CHEMICAL (RACEMIC)


Conditions:

Bamipine (trade name Soventol) is a sedating antihistamine with pronounced sedative effects. Bamipine is a pharmaceutical drug acting as an H1 antihistamine with anticholinergic properties. It is used as an antipruritic ointment. Bamipine hydrochloride has been given by mouth. Bamipine, bamipine lactate, and bamipine salicylate have all been applied topically.
Status:
Possibly Marketed Outside US

Class (Stereo):
CHEMICAL (ACHIRAL)

Histapyrrodine was investigated as a neuro-sedative drug for the treatment of anxiety and states of aggression.
Fonzine (also known as dimetotiazine) is an analgesics and anti-inflammatory agent marketed in Japan and Europe under the name Migristene and indicated for the treatment of migraine and headaches secondary to other disease. Fonzine exerts its activity by inhibiting serotonin and histamine H1 receptors.

Class (Stereo):
CHEMICAL (ACHIRAL)


Conditions:

Bamipine (trade name Soventol) is a sedating antihistamine with pronounced sedative effects. Bamipine is a pharmaceutical drug acting as an H1 antihistamine with anticholinergic properties. It is used as an antipruritic ointment. Bamipine hydrochloride has been given by mouth. Bamipine, bamipine lactate, and bamipine salicylate have all been applied topically.
Status:
Possibly Marketed Outside US

Class (Stereo):
CHEMICAL (ACHIRAL)



Deptropine citrate is a well-known H1-histamine receptor antagonist and muscarinic receptor antagonist. It is prescribed frequently for treatment of asthma, although there has been a sharp decrease in prescriptions since 1994. Deptropine is gradually being replaced by inhaled beta 2 adrenergic agonists and glucocorticosteroids as the preferred clinical prescription. Recently deptropine has garnered interest as a potential treatment for breast cancer. In vitro studies have shown deptropine citrate has inhibitory effects on cell viability and mammosphere formation in Breast Cancer Stem Cells (BCSCs). However, it does not seem to inhibit the self-renewal capacity of the breast cancer cell line MDA-MB-231 when it is enriched with Cancer Stem Cells.

Showing 1581 - 1590 of 1617 results