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

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Cangrelor is a P2Y12 inhibitor that has been approved as an antiplatelet drug. It is marketed in the US under the brand name Kengreal and in Europe as Kengrexal. Cangrelor is an intravenous, direct-acting reversible P2Y12 inhibitor for patients undergoing percutaneous coronary intervention.
Sapropterin dihydrochloride, the active pharmaceutical ingredient in Kuvan Tablets, is a synthetic preparation of the dihydrochloride salt of naturally occurring tetrahydrobiopterin (BH4). Kuvan is indicated to reduce blood phenylalanine (Phe) levels in patients with hyperphenylalaninemia (HPA) due to tetrahydrobiopterin- (BH4-) responsive Phenylketonuria (PKU). Kuvan is to be used in conjunction with a Phe-restricted diet. Kuvan has received orphan drug designation from both the U.S. Food and Drug Administration (FDA) and the European Medicines Agency (EMEA). Kuvan is a synthetic form of BH4, the cofactor for the enzyme phenylalanine hydroxylase (PAH). PAH hydroxylates Phe through an oxidative reaction to form tyrosine. In patients with PKU, PAH activity is absent or deficient. Treatment with BH4 can activate residual PAH enzyme, improve the normal oxidative metabolism of Phe, and decrease Phe levels in some patients.
2S,4R ketoconazole or levoketoconazole is the 2S,4R enantiomer of ketoconazole, purified from racemic ketoconazole. Both enantiomers exerts antifungal activity. Ketoconazole activates AhR in gene reporter cell line and dose-dependently induces CYP1A1 mRNA and CYP1A1 protein in HepG2 cells, with enantiospecific pattern, i.e. 2R,4S ketoconazole was much more active as compared to 2S,4R ketoconazole. Levoketoconazole was shown to be a more potent inhibitor than the 2R,4S enantiomer of several enzymes in the steroidogenic pathway (CYP11B1, CYP17 and CYP21). Levoketoconazole was tested for the treatment of endogenous Cushing’s syndrome (Phase III) and type 2 diabetes mellitus (Phase II).
Status:
Other

Class (Stereo):
CHEMICAL (ABSOLUTE)

Status:
Other

Class (Stereo):
CHEMICAL (RACEMIC)