Top-line results from Vistagen Therapeutics Inc.’s Palisade-1 phase III study of PH-94B for treating social anxiety disorder showed the therapy fell shy of the primary endpoint. The South San Francisco-based company’s stock (NASDAQ:VTGN) fell dramatically on the results July 22 as shares closed 86% lower at 15 cents each.
As neurological disease stocks begin to move in the right direction, and a potential U.S. FDA approval nears for a major depressive disease drug, shares are still down by 11.68% this year. BioWorld’s Neurological Diseases Index is following a similar path as the Nasdaq Biotechnology Index (NBI), which hit bottom at the end of May and has begun to climb since then. Still, NBI is down 15.92% this year, while the Dow Jones Industrial Average is down 12.41%.
The U.K.’s competition watchdog has found that a subsidiary of Pfizer Inc. and a generics firm jacked up the price of a life-saving epilepsy drug by up to 2,600%, fining them a total of £70 million (US$83.72 million). The Competition and Markets Authority’s decision is part of a long-running dispute against subsidiary Pfizer Ltd. and the generics firm Flynn Pharma Ltd.
In a sense, memories are useless without being linked to feelings. Without knowing whether a memory is good or bad, there is no way to seek out good experiences, and avoid bad ones. Now, investigators at the Salk Institute have identified neurotensin as a critical molecule for the assignment of such emotional valence.
Japan’s Kyowa Kirin Co. Ltd. has stopped development of its adenosine A2a receptor antagonist, KW-6356, in Parkinson’s disease. Discovered internally by Kyowa Kirin, KW-6356 was studied in phase II trials in Japan for Parkinson’s disease, with results showing it was “potentially effective in relieving motor and non-motor symptoms both as a monotherapy and in combination with levodopa-containing therapy,” Kyowa said. However, development is now being discontinued after conducting an evaluation of the global regulatory landscape, development hurdles and potential timelines for market entry.
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