FDA Panel to Review Diabetes NDA Dispute

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FDA says its Endocrinologic and Metabolic Drugs Advisory Committee will meet 9/21 to review and vote on an Intarcia Therapeutics NDA for ITCA 650 (exenatide in Duros device), a drug/device combination product that was rejected by CDER in 2021 as an adjunct to diet and exercise to improve glycemic control in adults with Type 2 diabetes. The panel meeting was proposed (see earlier story) by FDA chief scientist Namandjé N. Bumpus  in lieu of a formal evidentiary public hearing.

In a 2/20 citizen petition submitted by the Hogan Lovells law firm, the company accepted Bumpus’s proposal. It also acknowledged that FDA and the company have “identified numerous disputes between the parties” regarding the NDA. When CDER rejected the NDA in 2021, it published a Federal Register notice that outlined the following issues raised in two complete response letters: 

  • the clinical trial data demonstrated that the product causes acute kidney injury;
  • the cardiovascular risk assessment failed to provide sufficient assurance that ITCA 650 is not associated with excess cardiovascular risk;
  • the data provided to validate the limits of the in vitro dose delivery specifications did not support the safe and effective use of the device constituent in the product;
  • the data provided, inclusive of delivery performance data and failure analyses, did not demonstrate adequate device reliability associated with in vitro dose delivery to support safety and effectiveness for the intended use;
  • the information provided was inadequate in support of sterility assurance for ITCA 650; and
  • an FDA inspection of the Intarcia manufacturing facility identified deficiencies in the manufacturing practices for ITCA 650 that were not adequately addressed.

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