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Changes in the tumour microenvironment after intravenous or intradermal administration of anti-CTLA-4 in combination with anti-PD1 treatment in patients with melanoma

Status
Not yet recruiting
Phases
Phase 1Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2024-516545-39-01
Enrollment
18
Registered
2026-03-18
Start date
Unknown
Completion date
Unknown
Last updated
2026-03-18

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

Conditions

unresectable stage III – IV melanoma

Brief summary

T cell subset frequencies (as percentage of parent), and systemic activation (determined as a 50 % or greater increase in expression of inducible T-cell costimulator (ICOS/CD278)) in PBMCs CD4+/CD8+ T cells at baseline and on-treatment in both groups.

Detailed description

Safety of i.d. ipilimumab (group 1 only): Adverse events using Common Terminology Criteria Adverse Events, version 5.0 (CTCAE 5.0), reported as frequency of treatment-related events. Grade 3 or higher will be reported separately.

Interventions

DRUGYERVOY 5 mg/ml concentrate for solution for infusion

Sponsors

Stichting Amsterdam UMC
Lead SponsorOTHER

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
T cell subset frequencies (as percentage of parent), and systemic activation (determined as a 50 % or greater increase in expression of inducible T-cell costimulator (ICOS/CD278)) in PBMCs CD4+/CD8+ T cells at baseline and on-treatment in both groups.

Secondary

MeasureTime frame
Safety of i.d. ipilimumab (group 1 only): Adverse events using Common Terminology Criteria Adverse Events, version 5.0 (CTCAE 5.0), reported as frequency of treatment-related events. Grade 3 or higher will be reported separately.

Outcome results

None listed

Source: EU CTIS · Data processed: Mar 19, 2026