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A Phase 2, Single-Arm, Open-Label Study with Dostarlimab Monotherapy in Participants with Untreated Stage II/III dMMR/MSI-H Locally Advanced Rectal Cancer

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-509583-22-00
Acronym
219369
Enrollment
51
Registered
2024-03-15
Start date
2023-03-14
Completion date
Unknown
Last updated
2026-01-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Neoplasms, Rectal

Brief summary

cCR12 as assessed by ICR, defined as maintenance of cCR for 12 months. The 12-month period starts from the first disease assessment after last dose of study intervention that demonstrates cCR by ICR.

Detailed description

cCR24 as assessed by ICR, defined as maintenance of cCR for 24 months. The 24-month period starts from the first disease assessment after last dose of study intervention that demonstrates cCR by ICR., cCR36 as assessed by ICR, defined as maintenance of cCR for 36 months. The 36-month period starts from the first disease assessment after last dose of study intervention that demonstrates cCR by ICR, EFS3 as assessed by investigator assessment, defined as remaining alive and free of 1) disease progression precluding surgery, 2) local recurrence, and 3) distant recurrence, as assessed by investigator at 3 years from the first dose of study intervention.

Interventions

DRUGJEMPERLI 500 mg concentrate for solution for infusion

Sponsors

Glaxosmithkline Research & Development Limited
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
cCR12 as assessed by ICR, defined as maintenance of cCR for 12 months. The 12-month period starts from the first disease assessment after last dose of study intervention that demonstrates cCR by ICR.

Secondary

MeasureTime frame
cCR24 as assessed by ICR, defined as maintenance of cCR for 24 months. The 24-month period starts from the first disease assessment after last dose of study intervention that demonstrates cCR by ICR., cCR36 as assessed by ICR, defined as maintenance of cCR for 36 months. The 36-month period starts from the first disease assessment after last dose of study intervention that demonstrates cCR by ICR, EFS3 as assessed by investigator assessment, defined as remaining alive and free of 1) disease progression precluding surgery, 2) local recurrence, and 3) distant recurrence, as assessed by investigator at 3 years from the first dose of study intervention.

Countries

France, Germany, Italy, Netherlands, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026