Erasca Presents Promising Initial Phase 1b Dose Escalation Data from FLAGSHP-1 for ERAS-601 Plus Cetuximab in Patients with Advanced Solid Tumors at the 2023 AACR Annual Meeting
2023-04-20
临床1期AACR会议
ERAS-601, a potential best-in-class SHP2 inhibitorSHP2 inhibitor, blocks oncogenic signal transduction to delay onset of therapeutic resistance
Combination was well-tolerated; supports ‘three weeks on, one week off’ dosing of ERAS-601
Dose expansion data in HPV-negative HNSCC expected in H1 2024
SAN DIEGO, CA, USA I April 18, 2023 I Erasca, Inc. (Nasdaq: ERAS), a clinical-stage precision oncology company singularly focused on discovering, developing, and commercializing therapies for patients with RAS/MAPK pathway-driven cancers, today presented promising initial Phase 1b dose escalation data from FLAGSHP-1 for ERAS-601 in combination with cetuximab (ERBITUX®) in patients with advanced solid tumors as part of a poster presentation at the American Association for Cancer Research (AACR) Annual Meeting in Orlando, Florida. ERAS-601 is a potent, selective, oral small molecule SHP2 inhibitorSHP2 inhibitor with best-in-class potential. The poster is available online at Erasca.com/science/presentations.
“We are pleased with the outcome of the FLAGSHP-1 dose escalation evaluation of ERAS-601 plus cetuximab, which supports ERAS-601 being a backbone for combination therapy. The combination with cetuximab was well-tolerated with favorable pharmacokinetics and no apparent drug-drug interactions. In addition, to our knowledge, this is the first clinical evaluation of a SHP2 inhibitorSHP2 inhibitor and EGFR monoclonal antibody, the combination of which effectively inhibits oncogenic receptor tyrosine kinase signaling,” said Jonathan E. Lim, M.D., Erasca’s chairman, CEO, and co-founder. “That we saw predominantly low-grade adverse events (AEs) reinforces our hypothesis that a ‘three weeks on, one week off’ dosing regimen for ERAS-601 in combination may lead to fewer and milder AEs.”
Dr. Lim continued, “The stable disease observed during this initial all comers dose escalation evaluation in heavily pretreated patients supports our plan to explore preliminary efficacy in human papillomavirus (HPV)-negative head and neck squamous cell carcinoma (HNSCC), an indication of high unmet need, with the now identified maximum tolerated dose (MTD) for the combination. We believe this patient population may be particularly responsive to this combination based on encouraging synergistic activity observed in preclinical studies. We expect to share initial Phase 1b dose expansion combination data in the first half of 2024.”
Poster Presentation Highlights
Preliminary dose escalation results of ERAS-601 in combination with cetuximab in FLAGSHP-1: A Phase I study of ERAS-601, a potent and selective SHP2 inhibitorSHP2 inhibitor, in patients with previously treated advanced or metastatic solid tumors
ERAS-601 in combination with cetuximab inhibits RAS/MAPK signaling at multiple nodes which is predicted to limit the development of treatment resistance and offer more robust synergistic anti-tumor activity over monotherapy alone. Characterization of the safety profile, determination of the maximum tolerated dose (MTD)/recommended dose (RD), and characterization of the pharmacokinetic profile of ERAS-601 in combination with cetuximab was evaluated as part of the Phase 1/1b FLAGSHP-1 trial in patients with advanced or metastatic solid tumors.
At Erasca, our name is our mission: To erase cancer. We are a clinical-stage precision oncology company singularly focused on discovering, developing, and commercializing therapies for patients with RAS/MAPK pathway-driven cancers. Our company was co-founded by leading pioneers in precision oncology and RAS targeting to create novel therapies and combination regimens designed to comprehensively shut down the RAS/MAPK pathway for the treatment of cancer. We have assembled what we believe to be the deepest RAS/MAPK pathway-focused pipeline in the industry. We believe our team’s capabilities and experience, further guided by our scientific advisory board which includes the world’s leading experts in the RAS/MAPK pathway, uniquely position us to achieve our bold mission of erasing cancer.
SOURCE: Erasca
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