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

Trial statusRecruiting
Trial phasePhase 3
Trial typeInterventional
Biological sexAll
Age18+
SponsorMerus B.V.

About this trial

This 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.

Eligibility criteria

Qualifiers

Signed ICF before initiation of any study procedures

Age ≥ 18 years at signing of ICF

Histologically confirmed HNSCC with evidence of metastatic or locally recurrent disease not amenable to local therapy with curative intent.

The eligible HNSCC primary tumor locations are oropharynx, oral cavity, hypopharynx, and larynx.

Disqualifiers

Central nervous system metastases that are untreated or already treated but symptomatic, or require radiation, surgery, or continued steroid therapy to control symptoms within 21 days prior to randomization

Known leptomeningeal involvement

Any systemic anticancer therapy or investigational drug within 4 weeks or 5 half-lives, whichever is shorter, before randomization

Requirement for immunosuppressive medication

Trial design

Treatments tested in this trial

  • Petosemtamab
  • Pembrolizumab

Treatment groups

700 Participants
are divided into 2 treatment groups

Locations

205
Argentina
Site 170C1113AAE, CABA Argentina
Site 37C1125ABD, CABA Argentina
Site 96C1118AAT, CABA Argentina
Site 31X5008HHW, Córdoba Argentina

Sponsors and collaborators

Merus B.V.

Lead sponsor