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OncoMatch/Clinical Trials/NCT06525220

A Phase 3 Study to Evaluate Petosemtamab Plus Pembrolizumab vs Pembrolizumab in First-line Treatment of Head and Neck Cancer (LiGeR - HN1)

Is NCT06525220 recruiting? Yes, currently enrolling (Jun 2026). This Phase 3 trial studies multiple treatments including Petosemtamab and Pembrolizumab for head and neck squamous cell carcinoma.

Phase 3RecruitingMerus B.V.NCT06525220Data as of Jun 2026Location: International · 28 countries

Treatment: Petosemtamab · PembrolizumabThis is a Phase 3 randomized, open-label study to evaluate the efficacy and safety of petosemtamab plus pembrolizumab vs pembrolizumab in first-line treatment of recurrent or metastatic PD-L1+ head and neck squamous cell carcinoma.

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Extracted eligibility criteria

Treatments studied

Immunotherapy

Pembrolizumab

Other

Petosemtamab

Cancer type

Head and Neck Squamous Cell Carcinoma

Biomarker criteria

Required: PD-L1 (CD274) expression (cps ≥1)

Performance status

ECOG 0–1(Restricted strenuous activity)

Prior therapy

Max 0 prior lines

Cannot have received: systemic anticancer therapy for incurable recurrent or metastatic disease

should not have had previous systemic therapy administered in the incurable recurrent or metastatic setting

Lab requirements

Blood counts

Adequate organ function as defined per protocol.

Kidney function

Adequate organ function as defined per protocol.

Liver function

Adequate organ function as defined per protocol.

Cardiac function

Left ventricular ejection fraction (LVEF) ≥50% by echocardiogram (ECHO) or multigated acquisition (MUGA) scan

Adequate organ function as defined per protocol. Left ventricular ejection fraction (LVEF) ≥50% by echocardiogram (ECHO) or multigated acquisition (MUGA) scan

Structured fields extracted by AI. May contain errors — verify against the official protocol.

US trial sites

  • Site 164 · Mobile, Alabama
  • Site 36 · La Jolla, California
  • Site 27 · Los Angeles, California
  • Site 16 · Palo Alto, California
  • Site 19 · Newark, Delaware

Showing up to 5 US sites.

See all sites on ClinicalTrials.gov →

Frequently asked questions

Is NCT06525220 currently recruiting?

Yes, this trial is currently recruiting patients.

Are there prior therapy exclusions?

Yes. Prior systemic anticancer therapy for incurable recurrent or metastatic disease disqualifies patients from enrollment.

Does this trial require CD274?

Yes, CD274 expression is a required biomarker for enrollment.

Could you qualify for this trial?

Enter your biomarker results to see how this trial's eligibility criteria match your specific cancer profile.

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