Cogent Biosciences Advances Bezuclastinib NDA Submission Under FDA's RTOR Program

  • Cogent Biosciences to initiate NDA submission for bezuclastinib in combination with sunitinib for GIST patients under FDA's RTOR program.
  • PEAK trial demonstrated a median progression-free survival (mPFS) of 16.5 months for the bezuclastinib combination vs. 9.2 months for sunitinib monotherapy.
  • Overall response rate (ORR) of 46% achieved with bezuclastinib combination compared to 26% with sunitinib.
  • NDA submission completion expected in April 2026, with full PEAK trial results to be presented at a major medical meeting in the first half of 2026.

Cogent Biosciences' NDA submission for bezuclastinib marks a significant step in addressing the unmet need for GIST patients resistant to imatinib. The FDA's RTOR program aims to expedite the review process, potentially bringing a new treatment option to market sooner. The positive PEAK trial results position bezuclastinib as a potential first new approval in this patient population in over 20 years, highlighting the strategic importance of this development in the precision oncology space.

Regulatory Approval
The pace at which the FDA completes the RTOR review process and approves bezuclastinib will determine its commercialization timeline.
Clinical Validation
Whether the full PEAK trial results, to be presented in the first half of 2026, will further solidify bezuclastinib's clinical benefit and support its market positioning.
Market Expansion
How Cogent Biosciences plans to leverage the bezuclastinib combination for first-line GIST patients, potentially expanding its addressable market.