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Association details:
| Biomarker: | PD-L1 expression |
|---|---|
| Cancer: | Colorectal Cancer |
| Drug: | balstilimab (AGEN2034) (PD1 inhibitor) + botensilimab (AGEN1181) (CTLA4 antagonist) |
| Direction: | Sensitive |
Evidence:
Source:
Title:
Results from a phase 1a/1b study of botensilimab (BOT), a novel innate/adaptive immune activator, plus balstilimab (BAL; anti-PD-1 antibody) in metastatic heavily pretreated microsatellite stable colorectal cancer (MSS CRC).
Published date:
01/17/2023
Excerpt:
Patients (pts) with metastatic MSS CRC received BOT 1 or 2 mg/kg every 6 weeks (Q6W) + BAL 3 mg/kg every 2 weeks….Median follow-up was 6.4 months (range, 1.6-29.5). In all pts, objective response rate (ORR) was 22% (95% CI, 12-35), disease control rate (DCR) was 73%...Of the 13 responders, 9 had RAS mutations (7 KRAS, 2 NRAS), 0 had BRAF mutations, 0/10 had a TMB of ≥10 mutations/Mb, and 1/7 was PD-L1 positive (≥1% combined positive score)....In heavily pretreated metastatic MSS CRC pts, BOT + BAL continues to demonstrate promising clinical activity with durable responses...
DOI:
10.1200/JCO.2023.41.3_suppl.LBA8
Trial ID:
