New drug duo hopes to boost immune system against tough cancers

NCT ID NCT05238883

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This early-stage trial is testing a new drug called HFB200301, either alone or with another drug (tislelizumab), in 72 adults with advanced solid tumors like lung, stomach, or skin cancer. The main goal is to check safety and find the best dose. Researchers will also watch for any tumor shrinkage, but this is a small, early study, so results are uncertain.

What this could mean

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

Active substance

HFB200301 (a drug that activates TNFR2) and tislelizumab (an anti-PD-1 antibody)

What this could lead to

If successful, this could lead to a new treatment option for people with advanced solid tumors that have not responded to other therapies.

What could go wrong

This is a very early (Phase 1) trial with only 72 participants, so the drug may not work or could have serious side effects. It is not yet known if it will shrink tumors or improve survival.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

cervical cancer gastric cancer gastric neoplasm head and neck squamous cell carcinoma melanoma mesothelioma non-small cell lung carcinoma renal cell carcinoma sarcoma Squamous Cell Carcinoma of Head and Neck testicular germ cell tumor Uterine Cervical Neoplasms

As listed by the trial registrant

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

Contacts and locations

Locations

  • Hospital Clinico Universitario de Valencia

    Valencia, 46010, Spain

  • Hospital Universitario 12 de Octubre

    Madrid, 28041, Spain

  • Hospital Universitario Vall d'Hebron

    Barcelona, 08035, Spain

  • Mayo Clinic

    Scottsdale, Arizona, 85259, United States

  • Mayo Clinic

    Jacksonville, Florida, 32224, United States

  • Mayo Clinic

    Rochester, Minnesota, 55905, United States

  • NEXT Virginia Cancer Specialists

    Fairfax, Virginia, 22031, United States

  • The University of Texas, MD Anderson Cancer Center

    Houston, Texas, 77030, United States

  • USC/Norris Comprehensive Cancer Center

    Los Angeles, California, 90033, United States

  • Washington University School of Medicine

    St Louis, Missouri, 63110, United States