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Neoadjuvant pembrolizumab in patients with stage IIb/c melanoma, a phase II double-blind placebo-controlled randomized trial NEOPRIME

Status
Not yet recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2024-519594-19-00
Acronym
NEOPRIME
Enrollment
30
Registered
2025-06-19
Start date
Unknown
Completion date
Unknown
Last updated
2025-06-19

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

Conditions

Stage IIb/c melanoma

Brief summary

Pathological response rate

Detailed description

Frequency and severity of adverse events (AEs) and serious adverse events (SAEs), Feasibility of neoadjuvant therapy in stage II melanoma, Sentinel lymph node positivity rate, Local recurrence rate, Regional recurrence rate, Recurrence-free survival (RFS), Distant-metastasis free survival, Melanoma-specific survival (MSS), Overall survival (OS), Change in dermoscopic features and correlation to histopathology, Change in tumor thickness as assessed with ultrasound and correlation to histopathology, Change in ctDNA levels during and after neoadjuvant treatment and surgery, Change in T-cell receptor repertoire before and after neoadjuvant treatment, Predictive and prognostic biomarker discovery

Interventions

DRUGlösning
DRUGKEYTRUDA 25 mg/mL concentrate for solution for infusion

Sponsors

Vaestra Goetalandsregionen
Lead SponsorOTHER

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Pathological response rate

Secondary

MeasureTime frame
Frequency and severity of adverse events (AEs) and serious adverse events (SAEs), Feasibility of neoadjuvant therapy in stage II melanoma, Sentinel lymph node positivity rate, Local recurrence rate, Regional recurrence rate, Recurrence-free survival (RFS), Distant-metastasis free survival, Melanoma-specific survival (MSS), Overall survival (OS), Change in dermoscopic features and correlation to histopathology, Change in tumor thickness as assessed with ultrasound and correlation to histopathology, Change in ctDNA levels during and after neoadjuvant treatment and surgery, Change in T-cell receptor repertoire before and after neoadjuvant treatment, Predictive and prognostic biomarker discovery

Countries

Sweden

Outcome results

None listed

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