A Phase I Study of The Safety and Tolerability of COM902 in Subjects With Advanced Malignancies.
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Study Summary
To evaluate the safety, tolerability and preliminary antitumor activity of COM902 as monotherapy and in combination with COM701 in subjects with advanced malignancies. Antitumor activity was evaluated per RECIST v1.1 with CT imaging every 6 weeks starting from the first dose during the first 6 cycles of the study and every 12 weeks thereafter (or at any time point progressive disease is suspected) Safety assessment evaluated per CTCAE v5.0 Study builds on clinical benefit reported in heavily pretreated MSS CRC patients with liver metastases treated with dual combination of COM701 and nivolumab To evaluate the combination of COM701 with COM902 and pembrolizumab in up to 20 patients with metastatic microsatellite stable colorectal cancer patients who have previously received up to 3 lines of therapy. We present encouraging preliminary results. We enrolled 20 pts with metastatic MSS-CRC who all received COM701 15 mg/kg + COM902 3 mg/kg + pembrolizumab 200 mg all IV Q3W.
- Age ≥ 18 yrs, measurable disease, MSS by IHC or genomic testing, ≤3 prior lines including fluroropyrimidines, irinotecan, and oxaliplatin.
- Exclusion Criteria:
- Prior treatment with a TIGIT inhibitor.
- Prior treatment with an inhibitor of PVRIG
- Symptomatic interstitial lung disease or inflammatory pneumonitis.
- History of immune-related events that required immunotherapy treatment discontinuation
- For Triplet combination expansion cohorts (MSS-CRC and PROC): Prior treatment with an anti-PD-1/PD-L1/2, anti-CD96 antibody, anti-OX-40 antibody, anti-CD137 antibody, anti-LAG3, anti-TIM3, anti-CTLA4 antibody.
- prior receipt of ICI including anti-PVRIG, anti-TIGIT. Investigator assessed responses were per RECIST v1.1, safety per CTCAE v5.0.
Clinical Study Information for Healthcare Providers
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