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Recruiting Phase 2 NCT03736889

NCT03736889 Tislelizumab (Anti-Programmed Cell Death Protein-1 (PD-1) Antibody) in MSI-H or dMMR Solid Tumors

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Clinical Trial Summary
NCT ID NCT03736889
Status Recruiting
Phase Phase 2
Sponsor BeiGene
Condition MSI-H/dMMR Solid Tumors
Study Type INTERVENTIONAL
Enrollment 200 participants
Start Date 2018-09-19
Primary Completion 2026-11

Eligibility & Interventions

Sex All sexes
Min Age 18 Years
Max Age N/A
Study Type INTERVENTIONAL
Interventions
Tislelizumab (BGB-A317)

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

In Phase 2, researchers evaluate early signs of effectiveness. You may be randomized to receive the active treatment or a comparator. Monitoring continues closely.

This trial targets 200 participants in total. It began in 2018-09-19 with a primary completion date of 2026-11.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

In this Phase 2, Single-Arm, Multi-Center, Open-Label Study, participants with previously treated locally advanced unresectable or metastatic solid tumors with mismatched repair deficient (dMMR) or microsatellite instability-high (MSI-H) will be treated with anti-PD-1 Monoclonal Antibody Tislelizumab (BGB-A317).

Eligibility Criteria

Key Inclusion Criteria: 1. Having histological confirmed diagnosis of malignancy 2. Having locally advanced unresectable or metastatic solid tumors with MSI-H or dMMR 3. Having received prior cancer therapy regimen(s) for advanced disease. 4. At least 1 measurable lesion as defined per RECIST Version (v) 1.1 5. Eastern Cooperative Oncology Group (ECOG) Performance Status ≤ 1 6. Adequate organ function Key Exclusion Criteria: 1. Prior therapy with an anti-PD-1, anti-PD-L1, anti-PD-L2 or any other antibody or drug specifically targeting T-cell co-stimulation or checkpoint pathways 2. Active leptomeningeal disease or uncontrolled brain metastasis. 3. Clinically significant pleural effusion, pericardial effusion or ascites 4. Active autoimmune diseases or history of autoimmune diseases that may relapse 5. Any active malignancy 6. Any condition that required systemic treatment with either corticosteroids (\> 10 mg daily of prednisone or equivalent) or other immunosuppressive medication ≤ 14 days before the first dose of study drug 7. Having a history of interstitial lung disease, non-infectious pneumonitis, pulmonary fibrosis, acute lung diseases, or uncontrolled systemic diseases (including but not limited to diabetes, hypertension, etc.) 8. Participants with uncontrolled diabetes or uncontrolled electrolyte disorders despite standard medical management 9. Having severe chronic or active infections 10. A known history of human immunodeficiency virus infection 11. Child - Pugh B or greater cirrhosis 12. Any major surgical procedure ≤ 28 days before the first dose of study drug 13. Prior allogeneic stem cell transplantation or organ transplantation NOTE: Other protocol defined Inclusion/Exclusion criteria may apply.

Contact & Investigator

Central Contact

BeiGene

✉ clinicaltrials@beigene.com

📞 +1-877-828-5568

Principal Investigator

Lin Shen, PhD

PRINCIPAL INVESTIGATOR

Peking University Cancer Hospital & Institute

Frequently Asked Questions

Who can join the NCT03736889 clinical trial?

This trial is open to participants of all sexes, aged 18 Years or older, studying MSI-H/dMMR Solid Tumors. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

What phase is the NCT03736889 trial and what does that mean for participants?

Phase 2 trials evaluate whether the treatment shows signs of effectiveness while continuing to monitor safety. More participants are enrolled than in Phase 1 to help refine the treatment protocol.

Is NCT03736889 currently recruiting?

Yes, NCT03736889 is actively recruiting participants. Contact the research team at clinicaltrials@beigene.com for enrollment information.

Where is the NCT03736889 trial being conducted?

This trial is being conducted at Hefei, China, Beijing, China, Beijing, China, Beijing, China and 11 additional locations.

Who is sponsoring the NCT03736889 clinical trial?

NCT03736889 is sponsored by BeiGene. The principal investigator is Lin Shen, PhD at Peking University Cancer Hospital & Institute. The trial plans to enroll 200 participants.

ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: April 2026  ·  Data Methodology