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Repare Therapeutics Shares Dip After Updated RP-3500 Data In Solid Tumors

Published 12/04/2022, 14:32
Updated 12/04/2022, 15:10
© Reuters.  Repare Therapeutics Shares Dip After Updated RP-3500 Data In Solid Tumors
RPTX
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  • Repare Therapeutics Inc (NASDAQ: RPTX) presented updated data from its ongoing Phase 1/2 TRESR trial of RP-3500 for solid tumors with specific synthetic-lethal genomic alterations.
  • The data were featured at the AACR Annual Meeting included monotherapy Phase 1 (Module 1) results from 120 patients.
  • RP-3500 monotherapy appeared to be safe and well-tolerated. Mild to moderate anemia was the most common treatment-related adverse event.
  • RP-3500 monotherapy resulted in durable clinical benefit across tumor types and genomic alterations. Overall clinical benefit rate (CBR) for all patients was 43% and 47% after PARP inhibitor (PARPi) failure.
  • Related: Repare Therapeutics Highlights Early RP-3500 Data In Solid Tumor Patients.
  • In the ovarian cancer cohort (n = 20), the overall response (OR) was 25%, including one complete response (CR) and three partial responses (PR).
  • CBR was 75%, and median progression-free survival (mPFS) was 35 weeks.
  • Clinical benefit was also observed in patients with tumors harboring BRCA1 and BRCA2 genomic alterations (n = 37). ORR was 14%.
  • CBR was 43% with an mPFS of 15 weeks in the BRCA1/2 population; in patients specifically with BRCA1 mutations, the CBR was 48%.
  • In patients with ATM loss-of-function (LOF) tumors (n = 34), ORR was 9% including one confirmed/unconfirmed response, and two prostate-specific antigen (cPSA) responses.
  • CBR in patients with ATM LOF was 44%, with mPFS of 17 weeks.
  • Price Action: RPTX shares are down 4.82% at $9.87 during the market session on the last check Tuesday.
© 2022 Benzinga.com. Benzinga does not provide investment advice. All rights reserved.

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