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Active, not recruiting Phase 2Phase 3 Interventional

INBRX-106 in Combination With Pembrolizumab in First-line PD-L1 CPS≥20 HNSCC

ClinicalTrials.gov ID: NCT06295731

Public ClinicalTrials.gov record NCT06295731. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 9:56 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 2/3, Randomized Study of INBRX-106 Combined With Pembrolizumab Versus Pembrolizumab as First Line Treatment for Patients With Recurrent or Metastatic (R/M) Head and Neck Squamous Cell Carcinoma (HNSCC) Expressing PD-L1 (CPS ≥20) (HexAgon-HN)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This seamless phase 2/3 randomized controlled study will evaluate the efficacy and safety of the hexavalent OX40 agonist antibody INBRX-106 combined with the anti-PD-1 antibody pembrolizumab versus pembrolizumab (+ placebo in phase 3) as first-line treatment for patients with locally advanced recurrent or metastatic head and neck squamous cell carcinoma (R/M HSNSCC) incurable by local therapies, expressing PD-L1 with a combined proportion score (CPS) ≥20.

Study identification

NCT ID
NCT06295731
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 2, Phase 3
Lead sponsor
Inhibrx Biosciences, Inc
Industry
Enrollment
410 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
May 14, 2024 (Actual)
Primary completion
May 2029 (Estimated)
Completion
May 2029 (Estimated)
Last update posted
May 8, 2026

2024 – 2029

United States locations

U.S. sites
25
U.S. states
18
U.S. cities
25
Facility City State ZIP Site status
City of Hope Medical Center Duarte California 91010 —
Los Angeles Cancer Network (LACN) Los Angeles California 91204 —
UC Davis Sacramento California 95817 —
Medical Oncology Associates of San Diego San Diego California 92123 —
Sarcoma Oncology Center Santa Monica California 90403 —
ChristianaCare Health Services Newark Delaware 19713 —
University of Florida UF Health Cancer Center Gainesville Florida 32608 —
The Oncology Institute of Hope & Innovation Miami Florida 33169 —
Mid Florida Hematology and Oncology Center Orange City Florida 32763 —
Cleveland Clinic Florida, The Maroone Cancer Center Weston Florida 33331 —
University of Illinois Cancer Center Chicago Illinois 60612 —
Norton Cancer Institute Louisville Kentucky 40202 —
Massachusetts General Hospital Boston Massachusetts 02114 —
Karmanos Cancer Institute Detroit Michigan 48201 —
Washington University St. Louis St Louis Missouri 63110 —
Intermountain Health, St. Vincent Regional Hospital, Cancer Centers of Montana Billings Montana 59102 —
Oncology Hematology West, PC dba Nebraska Cancer Specialists Omaha Nebraska 68130 —
Comprehensive Cancer Centers of Nevada Las Vegas Nevada 89169 —
Christus St. Vincent Regional Cancer Center Santa Fe New Mexico 87505 —
UNC Lineberger Comprehensive Cancer Center Chapel Hill North Carolina 27599-7305 —
Oklahoma University Stephenson Cancer Center Oklahoma City Oklahoma 73104 —
Oregon Health & Science University Portland Oregon 97239 —
UPMC Hillman Cancer Center Pittsburgh Pennsylvania 15232 —
CHRISTUS Spohn Cancer Center Corpus Christi Texas 78404 —
VCU Massey Comprehensive Cancer Center Richmond Virginia 23298 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 62 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT06295731, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted May 8, 2026 · Synced Oct 21, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT06295731 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →