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Current Topics in Medicinal Chemistry


ISSN (Print): 1568-0266
ISSN (Online): 1873-4294

HM74a Agonists: Will they be the New Generation of Nicotinic Acid?

Author(s): Paul Martres

Volume 9, Issue 5, 2009

Page: [428 - 435] Pages: 8

DOI: 10.2174/156802609788340814

Price: $65


The discovery of HM74a as a high affinity receptor for nicotinic acid has opened up new areas for investigation. Since its discovery, several new chemical entities have been reported as HM74a agonists. One of them, MK-0354, has been tested in phase II studies, but despite significant decreases in Free Fatty Acid levels with absence of flushing events in clinical studies, it failed to demonstrate effects on LDL-Cholesterol, Triglycerides and HDLCholesterol. These surprising results lead to questions about the reality of HM74a as the unique receptor responsible for the lipid modulating effects of nicotinic acid. This review summarizes these recent developments, and the novel HM74a antagonist structures recently published.

Keywords: HM74a, GPR109a, PUMA-G, Nicotinic Acid, HDL-Cholesterol

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