Skip to content
Study details
Enrolling now

A Phase 3 Trial to Compare Petosemtamab with Investigator's Choice Monotherapy in Patients with Previously Treated Head and Neck Squamous Cell Carcinoma

Merus B.V.
NCT IDNCT06496178ClinicalTrials.gov data as of Apr 2026
Phase

Phase 3

Target enrollment

500

Study length

about 4.8 years

Ages

18+

Locations

58 sites in AL, AZ, CA +26

What this study is about

Researchers are testing whether petosemtamab, a medication, is more effective than investigator's choice monotherapy for patients who have already received treatment for head and neck squamous cell carcinoma. The trial will last approximately 1740 days and involve about 500 participants.

Simplified from trial records by PatientMatch.

What you may be asked to do

  • 1.Take Investigator's Choice
  • 2.Take Petosemtamab

Participation Burden

What's physically and logistically required of participants.

Logistics & Travel
In-person visits

Requires travel to a study site

Physical Intervention
Standard

How treatment is administered

Treatment Assignment
Randomized (Open Label)

You are randomly assigned, but you will know your treatment.

Extracted study details

Pulled from the trial record to show what is being tested and what the study is measuring.

Drug classes

monoclonal antibody

Endpoints

Primary: Objective Response Rate (ORR) as Assessed by Blinded Independent Central Review, Overall Survival (OS)

Secondary: Duration of Response (DOR) as Assessed by Blinded Independent Central Review, Duration of Response (DOR) as Assessed by Investigator Review, Mean Change From Baseline in EORTC QLQ-C30, Mean Change From Baseline in EORTC QLQ-H&N43, Number of participants Who Discontinued Study Treatment Due to TEAEs, Number of participants Who Had Dose Modification Due to TEAEs, Number of participants Who experienced At Least One Serious TEAE, Number of participants Who experienced At Least One Treatment Emergent Adverse Event (TEAE)

Body systems

Oncology