Titan Pharmaceuticals Receives Complete Response Letter from the FDA for Probuphine New Drug Application

FDAOn April 30 Titan Pharmaceuticals, Inc. announced that the U.S. Food and Drug Administration (FDA) has issued a Complete Response Letter (CRL) to its New    Drug Application (NDA) for Probuphine®, the company’s investigational subdermal implant for the maintenance treatment of opioid dependence in adult patients.

The CRL states that the FDA cannot approve the application in its present form. The FDA has requested additional data supporting the efficacy of Probuphine, including:

  • The ability of Probuphine to provide opioid blockade of relevant doses of agonist
  • The effect of higher doses of Probuphine, ideally doses more closely approximating the blood plasma levels associated with sublingual doses of buprenorphine of 12 to 16 mg / day
  • Human factors testing of the training associated with Probuphine’s insertion and removal.

http://www.titanpharm.com/press/2013/13-04-30-Titan-CRL.htm

Source: Titan Pharmaceuticals – April 30, 2013

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