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Combining intratumoral flu vaccine and systemic pembrolizumab in patients with early pMMR colorectal cancer – the FLU-IMMUNE trial.

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-503228-17-00
Enrollment
21
Registered
2023-04-21
Start date
2023-11-06
Completion date
Unknown
Last updated
2024-10-10

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

Conditions

Colorectal Cancer

Brief summary

The primary endpoint will be that 50% or more patients achieve a major pathological response (MPR) that will be defined as < 10 % viable cells corresponding to Mandard tumor regression grade 1-2 (MTRG).

Detailed description

Specific safety outcomes including tumor site perforation and delay of surgery, and changes in the recovery as assessed by the QoR-15 questionnaire, Analysis of tumor samples: Immunohistochemical analysis of CD3+ and CD8+ T cells, spatial protein expression analyses of immune-infiltrated regions of tumors at the different time points, flow cytometry, and full transcriptomic analyses including single cell analysis., Analysis of blood samples: flow cytometry and full transcriptomic analyses including single cell analysis.

Interventions

DRUGinjektionsvæske
DRUGKEYTRUDA 25 mg/mL concentrate for solution for infusion
DRUGInfluvac Tetra Saison 2024/2025 Injektionssuspension in einer Fertigspritze Influenza-Impfstoff aus Oberflächenantigen (inaktiviert)

Sponsors

Zealand University Hospital
Lead SponsorOTHER

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
The primary endpoint will be that 50% or more patients achieve a major pathological response (MPR) that will be defined as < 10 % viable cells corresponding to Mandard tumor regression grade 1-2 (MTRG).

Secondary

MeasureTime frame
Specific safety outcomes including tumor site perforation and delay of surgery, and changes in the recovery as assessed by the QoR-15 questionnaire, Analysis of tumor samples: Immunohistochemical analysis of CD3+ and CD8+ T cells, spatial protein expression analyses of immune-infiltrated regions of tumors at the different time points, flow cytometry, and full transcriptomic analyses including single cell analysis., Analysis of blood samples: flow cytometry and full transcriptomic analyses including single cell analysis.

Countries

Denmark

Outcome results

None listed

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