Experimental vaccines show promise against HPV-Driven cancers

NCT ID NCT04180215

Completed Disease control Sponsor: Hookipa Biotech GmbH Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This completed phase I/II trial tested two experimental vaccines, HB-201 and HB-202, in 198 people with HPV 16+ cancers. The goal was to find a safe dose and see if the vaccines could shrink tumors. Participants received the vaccines alone or with standard treatments like pembrolizumab. The study focused on safety and early signs of effectiveness.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: HB-201 and HB-202 (therapeutic vaccines targeting HPV 16+ cancers)
What this could lead to: If successful, this could lead to a new treatment option for HPV 16+ cancers, potentially shrinking tumors or slowing disease progression.
What could go wrong: This is an early-phase trial (phase I/II), so results may not confirm effectiveness. Side effects or lack of tumor response are possible, and the approach may not work for all patients.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

carcinoma Head and Neck Neoplasms head and neck squamous cell carcinoma human papillomavirus-related squamous cell carcinoma oropharynx cancer squamous cell carcinoma Squamous Cell Carcinoma of Head and Neck squamous cell neoplasm

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

HPV-RELATED SQUAMOUS CELL CARCINOMA

Contacts and locations

Locations

Amsterdam UMC, Locatie VUMC

Amsterdam, 1081, Netherlands
Banner MD Anderson Cancer Center

Gilbert, Arizona, 85234, United States
Centro Integral Oncologico Clara Campal

Madrid, 28050, Spain
Cleveland Clinic

Cleveland, Ohio, 44195, United States
Froedtert Hospital and Medical College of Wisconsin

Milwaukee, Wisconsin, 53226, United States
Greenville Hospital System University Medical Center (ITOR)

Greenville, South Carolina, 29605, United States
Grossman School of Medicine

New York, New York, 10016, United States
Henry Ford Hospital

Detroit, Michigan, 48202, United States
Hospital Clinic de Barcelona

Barcelona, 08036, Spain
Hospital Universitari Vall d'Hebron

Barcelona, 08035, Spain
Hospital Universitario Fundacion Jimenez Diaz

Madrid, 28040, Spain
Hospital Universitario Virgen Macarena

Seville, 410009, Spain
Hospital Universitario Virgen del Rocio

Seville, 41013, Spain
Hospital de la Santa Creu i Sant Pau

Barcelona, 8041, Spain
Icahn School of Medicine at Mount Sinai

New York, New York, 10029, United States
Loyola University Medical School

Maywood, Illinois, 60153, United States
Memorial Sloan Kettering Cancer Center

New York, New York, 10021, United States
Montefiore-Einstein Center for Cancer Care

The Bronx, New York, 10461, United States
Nebraska Methodist Hospital

Omaha, Nebraska, 68114, United States
O'Neal Comprehensive Cancer Center at UAB

Birmingham, Alabama, 35294, United States
Perlmutter Cancer Center at NYU Langone Hospital-Long Island

New York, New York, 11501, United States
Providence Portland Medical Center

Portland, Oregon, 97213, United States
Rutgers Cancer Institute of New Jersey

New Brunswick, New Jersey, 08903, United States
Sylvester Comprehensive Cancer Center

Miami, Florida, 33136, United States
The University of Texas MD Anderson Cancer Center

Houston, Texas, 77030, United States
UCLA (University of California, Los Angeles)

Los Angeles, California, 90095, United States
USC/Norris Comprehensive Cancer Center

Los Angeles, California, 90033, United States
University of Arkansas for Medical Sciences, Cancer Institute, Clinical Trials Office

Fayetteville, Arkansas, 72205, United States
University of Chicago Medical Center

Chicago, Illinois, 60637, United States
University of Iowa Hospitals & Clinics

Iowa City, Iowa, 52242, United States
University of Kansas Medical Center

Fairway, Kansas, 66205, United States
University of Oklahoma Health Sciences Center

Oklahoma City, Oklahoma, 73104, United States
University of Virgina Health System

Charlottesville, Virginia, 22908, United States
Washington University School of Medicine

St Louis, Missouri, 63110, United States

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