Floatz Rating
CC43/100
Confidence
Indicative
Sponsor
Merck Sharp & Dohme LLC
Modality
monoclonal_antibody
Development Phase
Phase 2
Status
Active
Evidence ledger · v0.2
Clinical Evidence
Clinical track record: trial progression, reported outcomes, safety signals, and endpoint quality.
38Indicative
Detailed axis rationale is planned and will be published soon.
| Trial | Phase | Status | N | Primary endpoint | Readout |
|---|---|---|---|---|---|
NCT04895722CT.gov Evaluation of Co-formulated Pembrolizumab/Quavonlimab (MK-1308A) Versus Other Treatments in Participants With Microsatellite Instability-High (MSI-H) or Mismatch Repair Deficient (dMMR) Stage IV Colorectal Cancer (CRC) (MK-1308A-008/KEYSTEP-008) | — | Active Not Recruiting | — | — | — |
Competitive Position
Competitive setting: how crowded the indication is, class-level failures, and timing against rivals.
59High confidence
Detailed axis rationale is planned and will be published soon.
Same indication · Colorectal Cancer
| Asset | Sponsor | Phase | Rating |
|---|---|---|---|
| Vibostolimab (this asset) | Merck Sharp & Dohme LLC | P2 | CC · 43 |
| Fluorouracilum | UNICANCER | P4 | BB |
| Oxaliplatin | Chia Tai Tianqing Pharmaceutical Group Nanjing Shunxin Pharmaceutical Co., Ltd. | P4 | BB |
| Irinotecan | UNICANCER | P4 | BB |
| Levofolinic Acid | Suzhou Suncadia Biopharmaceuticals Co., Ltd. | P3 | BB |
| Moviprep | Radboud University Medical Center | P4 | BB |
| Capecitabine | Chia Tai Tianqing Pharmaceutical Group Nanjing Shunxin Pharmaceutical Co., Ltd. | P4 | BB |
| Regorafenib | Chia Tai Tianqing Pharmaceutical Group Nanjing Shunxin Pharmaceutical Co., Ltd. | P4 | BB |
| Desflurane | Peter MacCallum Cancer Centre, Australia | P4 | BB |
+42 more in the Colorectal Cancer cohort
Other indications for Vibostolimab
| Indication | Sponsor | Phase | Rating |
|---|---|---|---|
| Non-Small Cell Lung Carcinoma | — | P3 | BB · 66 |
| Melanoma | — | P3 | B · 58 |
| Lung Neoplasm | — | P3 | CCC · 55 |
Scientific Foundation
Strength of the underlying biology: target validation, tractability, modality fit, and how related mechanisms have fared.
NR
Planned for methodology v0.2.
Development Feasibility
How realistically the program can be executed, drawing on modality precedent, enrollment dynamics, and sponsor delivery.
NR
Planned for methodology v0.2.
Commercial Opportunity
Commercial prize: addressable population, unmet need, and the value case for the indication.
NR
Planned for methodology v0.2.
IP & Exclusivity
Exclusivity position, covering patent protection and freedom-to-operate runway.
NR
Planned for methodology v0.2.
Manufacturing & Supply
Manufacturing and supply readiness, driven by modality process and scale-up risk.
NR
Planned for methodology v0.2.
Related assets
Citation
Floatz Terminal. Vibostolimab in Colorectal Cancer. Methodology v0.2. Rated under v0.2 effective July 8, 2026. Last refreshed July 14, 2026. Accessed July 14, 2026. https://terminal.floatz.ai/assets/vibostolimab-colorectal-cancer
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