NCT07731607 Sintilimab Mismatch repair-deficient Endometrial Carcinoma Clinical Landscape Report 2026: Design, Endpoints, Sponsor and Readout Outlook
Turn a newly registered trial into a decision-ready clinical landscape. This report examines NCT07731607 using PatSnap Clinical Trials MCP for protocol design and endpoint evidence, with Drug & Asset MCP and Company & Deal Intelligence MCP used as the companion asset and sponsor enrichment workflow. Explore PatSnap MCP Servers to reproduce the research sequence inside an AI workflow.
MCP evidence snapshot: 3 August 2026. Trial records, recruitment status and projected dates can change after the snapshot and should be rechecked before operational decisions.
Why NCT07731607 is a hot trial to watch
Mismatch repair-deficient Endometrial Carcinoma is being segmented by mechanism, treatment setting, geography and endpoint architecture. NCT07731607 is notable because it evaluates Sintilimab in a Phase 2 design sponsored by Peking University People's Hospital. The main development question is whether the protocol can translate its rationale into a clinically interpretable and operationally credible readout.
Trial landscape snapshot
| Field | Indexed detail |
|---|---|
| Registration | NCT07731607 |
| Official title | Sintilimab Monotherapy in Patients With Stage I-II MSI-H/dMMR Endometrial Cancer |
| Phase / status | Phase 2 / Not yet recruiting |
| Intervention | Sintilimab |
| Sponsor | Peking University People's Hospital |
| Geography | Not reported in the indexed record |
| Enrollment | [object Object] |
| Primary endpoint | Complete Response Rate (cCR by imaging in non-surgical pts + pCR in surgical pts) |
| Endpoint time frame | at the end of the cycle 4 or cycle 8 (each cycle is 21 days) |
| Primary completion / readout proxy | [object Object] |
Protocol design and endpoint interpretation
To investigate the efficacy and safety of immune checkpoint inhibitors as a non-surgical (surgery-avoiding) treatment in patients with stage I-II MSI-H/dMMR endometrial cancer.
Allocation is N/A, masking is None (Open Label), and the intervention model is Single Group Assignment. Planned enrollment of [object Object] participants across Not reported in the indexed record shapes statistical precision, execution risk and external validity. Interpretation should account for baseline risk, prior therapy, assessment schedule, missing-data handling and clinical relevance—not only statistical significance.
- Complete Response Rate (cCR by imaging in non-surgical pts + pCR in surgical pts) (at the end of the cycle 4 or cycle 8 (each cycle is 21 days)) — Clinical Complete Response (cCR): Defined as the complete disappearance of all target lesions as assessed by imaging in subjects who did not undergo surgery, with no appearance of new lesions; or the absence of residual tumor cells in endometrial biopsy specimens obtained under hysteroscopy. Pathological Complete Response(pCR): Defined as the absence of residual tumor cells in the surgically resected tumor tissue spe
Readout outlook and evidence gap
The current protocol points to [object Object] as the best available readout proxy. Because this is an active or newly posted study, a trial-specific result citation is not included until a normalized clinical-trial-result record becomes available. That gap is itself operationally important: teams should monitor first result indexing, conference abstracts, protocol amendments and changes to the primary-completion date.
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Asset and sponsor context
Drug & Asset MCP profile: Sintilimab is indexed as Monoclonal antibody, with target PD-1, mechanism PD-1 inhibitors, and global highest development status Approved.
Company & Deal Intelligence MCP profile: Peking University People's Hospital is resolved to a normalized organization record in Beijing Shi, China. The organization workflow adds identity, location, portfolio and partnering context where available.
The sponsor profile matters because scientific rationale alone does not determine development value. Manufacturing readiness, portfolio fit, geographic reach, partnering capacity and the ability to fund confirmatory development can determine whether a positive signal becomes a competitive asset.
White space around this program
- Sharper patient selection: prospective biomarker or phenotype definitions that identify who is most likely to benefit.
- Clinically interpretable endpoints: outcomes connecting activity with function, symptoms, survival or treatment burden.
- Comparator relevance: evidence against the most decision-relevant contemporary standard of care.
- Broader external validity: evidence across additional geographies, demographic groups and real-world settings.
- Operational differentiation: a development path that closes the readout gap without sacrificing safety or durability.
What to monitor next
Monitor recruitment, enrollment changes, protocol amendments, endpoint hierarchy, primary-completion timing, first result indexing, asset ownership and sponsor partnerships. A change in endpoint, population or ownership can alter the probability of success before a headline data release.
Bottom line
NCT07731607 provides a focused lens on Mismatch repair-deficient Endometrial Carcinoma development. Its value will be determined by whether Sintilimab can convert the current Phase 2 design into evidence that is clinically meaningful, operationally credible and differentiated from competing programs.
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