NCT07774754 Sintilimab MSS/pMMR/MSI-L Rectal 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 NCT07774754 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: 1 September 2026. Trial records, recruitment status and projected dates can change after the snapshot and should be rechecked before operational decisions.

Why NCT07774754 is a hot trial to watch

MSS/pMMR/MSI-L Rectal Carcinoma is being segmented by mechanism, treatment setting, geography and endpoint architecture. NCT07774754 is notable because it evaluates Sintilimab in a Phase 2 design sponsored by Sun Yat-Sen University. The main development question is whether the protocol can translate its rationale into a clinically interpretable and operationally credible readout.

Trial landscape snapshot

Protocol design and endpoint interpretation

This study is a prospective, single-arm clinical trial with a dose-reduction design, which is expected to enrol 18 patients with locally advanced rectal cancer with pMMR status. The aim is to investigate the safety and efficacy of neoadjuvant chemoradiotherapy combined with sintilimab and suvecitib. Patients will receive long-course chemoradiotherapy (concurrent capecitabine, 1000 mg/m², twice daily, days 1-14, Q3W, 2 cycles; sintilimab, 200 mg, d1, IV drip, Q3W, 2 cycles), followed by 6 cycles of the Capeox regimen in combination with sintilimab and suvecitib, namely oxaliplatin 130 mg/m², d1, IV infusion, every 3 weeks; and capecitabine 1,000 mg/m², twice daily, days 1-14, every 3 weeks; sintilimab, 200 mg, Day 1, IV drip, every 3 weeks; suvectitumab (anti-angiogenic agent), 2.0/1.5/1.0 mg/kg, Day 1, IV drip, every 3 weeks. A total of 8 cycles of sintilimab and 6 cycles of suvectitumab were administered during the neoadjuvant treatmen

Allocation is N/A, masking is None (Open Label), and the intervention model is Single Group Assignment. Planned enrollment of 18 participants across China 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.

• Serious Adverse Effects of Neoadjuvant Therapy (During neoadjuvant therapy)

Readout outlook and evidence gap

The current protocol points to Not reported 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 No normalized modality returned, with target No normalized target returned, mechanism No normalized mechanism returned, and global highest development status No normalized global status returned.

Company & Deal Intelligence MCP profile: Sun Yat-Sen University is resolved to a normalized organization record in Guangzhou, 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

NCT07774754 provides a focused lens on MSS/pMMR/MSI-L Rectal 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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