Combination therapy shows promise for Hard-to-Treat lymphoma

NCT ID NCT03210662

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

Summary

This phase II trial tested whether combining the immunotherapy drug pembrolizumab (Keytruda) with targeted radiation therapy could help patients whose non-Hodgkin lymphoma had returned or stopped responding to treatment. Seventeen adults with aggressive lymphoma types received both treatments. The main goal was to see how many patients responded, with response measured by PET-CT scans. This small study aims to find better options for a difficult-to-treat cancer.

What this could mean

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

Active substance

Pembrolizumab (Keytruda) and external beam radiation therapy

What this could lead to

If successful, this combination could offer a new treatment option for patients with hard-to-treat non-Hodgkin lymphoma that has returned or not responded to prior therapy.

What could go wrong

This was a small, early-phase study with only 17 participants, so results may not apply broadly. The treatment may not work for all lymphoma types and could cause side effects from both radiation and immunotherapy.

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.

aggressive B-cell non-Hodgkin lymphoma diffuse large B-cell lymphoma mature T-cell and NK-cell non-Hodgkin lymphoma non-Hodgkin lymphoma primary mediastinal large B-cell lymphoma refractory malignant neoplasm relapsed/refractory diffuse large B-cell lymphoma Richter transformation T-cell non-Hodgkin lymphoma

As listed by the trial registrant

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

Contacts and locations

Locations

  • M D Anderson Cancer Center

    Houston, Texas, 77030, United States