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

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mixture
Status:
Possibly Marketed Outside US
First approved in 1941
Source:
Morphine Sulfate by Bryant Ranch Prepack
Source URL:

Class:
MIXTURE

Status:
Investigational
Source:
NCT00598806: Phase 3 Interventional Completed Bladder Cancer
(2007)
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Targets:


Apaziquone (EOquin, EO9) is an indolequinone that is a bioreductive prodrug and a chemical analog of the older chemotherapeutic agent mitomycin C. In hypoxic cells, such as those on the inner surface of the urinary bladder, apaziquone is converted to active metabolites by intracellular reductases (such as NQO1). The active metabolites alkylate DNA and lead to apoptosis. In animal tumour models, EO9 was inactive against the P388 murine leukaemia but exhibited anti-tumour activity against human tumour xenografts and the generally chemo-resistant murine adenocarcinomas of the colon (MAC) tumours. Initial evidence that in vivo response correlated with NQO1 activity. Apaziquone was selected for clinical evaluation based upon its novel mechanism of action (which was distinct from MMC), its preferential activity against cells derived from solid tumours in vitro and in vivo, its ability to target both aerobic and hypoxic cells and the lack of myelosuppression in mice and rats. Apaziquone has been applied in clinical studies sponsored by Spectrum Pharmaceuticals and Allergan, Inc. for the treatment of superficial (non-muscle invasive) bladder cancer. However, the US-FDA determined that it was not statistically effective.
Ethamsylate (2,5-dihydroxy-benzene-sulfonate diethylammonium salt) is a synthetic hemostatic drug indicated in cases of capillary bleeding. Ethamsylate acts on the first step of hemostasis by improving platelet adhesiveness and restoring capillary resistance. In addition it inhibits prostaglandin biosynthesis. Well-controlled clinical trials clearly showed the therapeutic efficacy of ethamsylate in dysfunctional uterine bleeding, with the magnitude of blood-loss reduction being directly proportional to the severity of the menorrhagia. Other well-controlled clinical trials showed therapeutic efficacy of ethamsylate in periventricular hemorrhage in very low birth weight babies and surgical or postsurgical capillary bleeding.
Ethamsylate (2,5-dihydroxy-benzene-sulfonate diethylammonium salt) is a synthetic hemostatic drug indicated in cases of capillary bleeding. Ethamsylate acts on the first step of hemostasis by improving platelet adhesiveness and restoring capillary resistance. In addition it inhibits prostaglandin biosynthesis. Well-controlled clinical trials clearly showed the therapeutic efficacy of ethamsylate in dysfunctional uterine bleeding, with the magnitude of blood-loss reduction being directly proportional to the severity of the menorrhagia. Other well-controlled clinical trials showed therapeutic efficacy of ethamsylate in periventricular hemorrhage in very low birth weight babies and surgical or postsurgical capillary bleeding.