Tislelizumab in Microsatellite instability-high colorectal cancer: NCT04802876 Clinical Landscape Report 2026
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This Clinical Landscape Report was built with PatSnap Life Sciences MCP workflows. Clinical Trials MCP supplies protocol and result records, Drug & Asset MCP adds asset context, and Company & Deal Intelligence MCP resolves sponsor background. Use the same structured MCP building blocks in your research workflow.
Data snapshot: 28 September 2026. This strategic research report is not medical, regulatory or investment advice. Trial status and dates can change.
Phase 2
Clinical phase
Active, not recruiting
Recruitment status
184
Planned enrollment
2025-09-30
Primary-completion proxy
Executive view
NCT04802876 evaluates Tislelizumab in Microsatellite instability-high colorectal cancer. The disclosed sponsor is Grupo SOLTI, the design is Interventional, and the geographic footprint is Spain. The first listed primary endpoint is Overall Response rate (ORR) (Cohort 3), assessed over Until objective tumor response, on average 10 months.
The key landscape question is whether this protocol can generate a clinically interpretable signal relative to nearby programs. Phase alone is not a measure of evidence quality. Endpoint relevance, comparator choice, masking, enrollment feasibility, patient selection, country coverage and follow-up must be considered together.
PatSnap MCP Servers make this assessment reproducible by keeping protocol facts, result evidence, asset attributes and sponsor identity in separate structured calls.
How the MCP evidence stack was assembled
Clinical Trials MCP clinical_trial_fetch retrieved the design, outcomes, phase, status, enrollment, sponsor, countries and timing for NCT04802876 and selected peers. clinical_trial_result_fetch supplied detailed result records from the wider Microsatellite instability-high colorectal cancer landscape. Drug & Asset MCP drug_fetch was queried for Tislelizumab, while Company & Deal Intelligence MCP organization_fetch was queried for Grupo SOLTI.
This separation reduces a common diligence error: treating a registry label, a company description or a result excerpt as if each represented the complete evidence package. Explore the source workflow at the PatSnap MCP marketplace.
Trial landscape table
| Trial | Asset / intervention | Phase / status | Sponsor | Geography | Primary endpoint | Readout proxy |
|---|---|---|---|---|---|---|
| NCT04802876 | Tislelizumab | Phase 2 / Active, not recruiting | Grupo SOLTI | Spain | Overall Response rate (ORR) (Cohort 3) Until objective tumor response, on average 10 months | 2025-09-30 |
| NCT05070247 | Tocilizumab | Phase 1/2 / Terminated | Takeda Pharmaceutical Co., Ltd. | United States | Dose Escalation: Number of Participants Reporting One or More Treatment-emergent Adverse Events (TEAEs) Up to approximately 32.8 months | 2025-01-06 |
| NCT05071014 | Pembrolizumab | Phase 1 / Completed | Memorial Sloan Kettering Cancer Center | United States | number of patients with an adverse event (AE) defined as any grade 3 or higher non-hematologic toxicity within 12 weeks of cryoablation | 2023-12-18 |
| NCT05047536 | KZR-261 | Phase 1 / Terminated | Kezar Life Sciences, Inc. | United States | Number and Percentage of Participants Experiencing Adverse Events as Assessed by CTCAE v5.0 (Part 1 & 2) 20 months | 2025-01-17 |
| NCT05041062 | Ipilimumab | Phase 2 / Completed | The University of Chicago | United States | Major Pathologic (Disease) Response of Tumor to Nivolumab Combined With Ipilimumab Before Surgery 24 months | 2023-04-13 |
The table aligns endpoints, sponsors, phases, geographies and readout proxies. It is descriptive, not a head-to-head efficacy comparison. Differences in population, baseline risk, intervention schedule and follow-up can dominate apparent cross-trial differences.
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Protocol design and endpoint interpretation
NCT04802876 is a Phase 2, active, not recruiting study with 184 planned participants. Allocation is Non-Randomized, masking is None (Open Label), and the intervention model is Parallel Assignment.
The primary endpoint is “Overall Response rate (ORR) (Cohort 3)” over “Until objective tumor response, on average 10 months.” The retrieved endpoint description is: Proportion of patients with best overall response of complete response (CR) or partial response (PR), as per local investigator´s assessment and according to Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1 criteria..
Interpretation should test whether the endpoint captures a clinically meaningful change, whether its time horizon matches the proposed biology, and whether treatment discontinuation or missing data can bias the estimate. The planned enrollment of 184 should be assessed against expected effect size, event frequency, multiplicity, subgroup plans and attrition.
No named control drug was returned in the protocol field set. A placebo comparator can strengthen internal efficacy assessment, while an active comparator may better test clinical differentiation. Single-arm and open-label programs require greater weight on objective outcomes, independent assessment and external benchmarks.
Indexed readouts in the surrounding landscape
5 recent result records were selected as contextual evidence for Microsatellite instability-high colorectal cancer. These records do not establish direct evidence for NCT04802876 unless the registration number matches.
First-Line Pumitamig (PD-L1 × VEGF-A bsAb) Plus Chemotherapy in Unresectable Malignant Mesothelioma: Long-Term PFS and OS
Phase 2; n=31; OS(24-month) = 25.0 % ; OS(24-month) = 50.7 % Source: https://cattendee.abstractsonline.com/meeting/21487/Session/133
Checkmate 6DW: First-Line Nivolumab+Ipilimumab vs Platinum+Pemetrexed for Pleural Mesothelioma in Chinese Patients
Phase 2; n=102; mPFS = 6.97 month ; mPFS = 6.93 month Source: https://cattendee.abstractsonline.com/meeting/21487/Session/195
Tumour Extrinsic Regulation of Neutrophils Sensitize Mesotheliomas to AXL and PD1 Inhibition inMIST3, a Phase II Clinical Trial
Phase 2; n=21; DCR(12-week) = 46.2 % ( 29.2 - 63.8) Source: https://cattendee.abstractsonline.com/meeting/21487/Session/133
Result fields should be reconciled with the source record before quantitative comparison. Population definitions, analysis sets, dose cohorts, estimands, confidence intervals, rescue therapy and follow-up can materially change the meaning of a numerical endpoint. Clinical Trials MCP supports repeatable refreshes as result records change.
Asset and sponsor context
Tislelizumab is indexed as Monoclonal antibody with PD-1 biology and a global stage of Approved. The asset profile lists BeOne Medicines Ltd. as an originator or developer.
Grupo SOLTI is indexed in Spain with the website http://www.gruposolti.org. Solti is a nonprofit organization that offers translational research, clinical research, training program, and patient empowerment services. The record lists an unreported number of development-stage drug assets.
For execution diligence, monitor sponsor ownership, collaborator additions, site expansion, protocol amendments and enrollment revisions. A change in ownership or geography can alter operational confidence as well as the commercial meaning of a future readout.
Development white space
- Endpoint white space. Determine whether a more patient-relevant outcome, longer durability window or blinded central assessment would resolve uncertainty left by the current endpoint.
- Population white space. Test biomarker-defined, treatment-line or risk-stratified subgroups where effect size and unmet need could be clearer.
- Comparator white space. Identify whether the study can support differentiation against the current standard of care rather than only activity against baseline or placebo.
- Geographic white space. Assess whether the disclosed footprint supports recruitment, regulatory transferability and commercial generalizability.
- Sequencing white space. Clarify whether Tislelizumab is intended for monotherapy, combination, maintenance, rescue or an earlier treatment line.
White space should be framed as an unanswered development question, not merely an unoccupied mechanism label. A credible program closes a measurable clinical uncertainty with a design that can be executed and interpreted.
Strategic implications and next readouts
For sponsors, the endpoint hierarchy, safety window, enrollment pace and protocol amendment history should all support the same target product profile. Advancement criteria should be set before the readout and tied to clinical effect, uncertainty, tolerability and operational feasibility.
For business-development teams, differentiation may come from a sharper population, stronger comparator, more durable benefit, simpler delivery or clearer sequencing role. For investors, the central risk is evidence quality relative to time and capital, not the phase label in isolation.
Track recruitment status, enrollment changes, primary-completion timing, endpoint revisions, new result records, sponsor ownership and collaborator changes. Re-run the PatSnap MCP workflow when a surrogate becomes a clinical outcome, a single-country study expands, the comparator changes or a new result materially shifts the competitive benchmark.
Source trail and bottom line
Anchor trial: NCT04802876
Protocol source: https://clinicaltrials.gov/study/NCT04802876
MCP sources: Clinical Trials MCP (clinical_trial_fetch and clinical_trial_result_fetch); Drug & Asset MCP (drug_fetch); Company & Deal Intelligence MCP (organization_fetch).
Data snapshot: 28 September 2026.
Tislelizumab in Microsatellite instability-high colorectal cancer is best understood through the interaction of protocol design, surrounding readouts, asset context and sponsor execution. The current record makes Overall Response rate (ORR) (Cohort 3) and 2025-09-30 the leading decision points.
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