Kyowa Hakko Kirin Hit with New Setback on Parkinson’s Drug

| By | Clinical Trials, Kyowa Hakko Kirin
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Eight years after Japan’s Kyowa Hakko Kirin was handed an FDA rejection for its Parkinson’s drug istradefylline (KW-6002), researchers say they recorded a Phase III flop for the drug.

The drug, approved in Japan, is designed to reduce the amount of daily off-time patients experience with levodopa. But while Kyowa Hakko’s team tracked a trend in favor of the 20 mg and 40 mg doses, they did not hit statistical significance.

The drug fits into a well-studied arena of adenosine A2A receptor antagonists. Merck said back in 2013 that its late-stage program for preladenant showed it was no better than a placebo in treating Parkinson’s, causing the pharma giant to drop the therapy. But Acorda bought Biotie and its adenosine A2A receptor antagonist drug tozadenant (SYN115) in a $363 million deal at the beginning of 2016, after seeing positive mid-stage data.

SOURCE: endpts.com
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