Experimental combo shows promise for Tough-to-Treat leukemia

NCT ID NCT02005289

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

Summary

This phase II trial tested a combination of two drugs—MOR00208 (an antibody that targets cancer cells) and lenalidomide (which boosts the immune system)—in 41 people with chronic lymphocytic leukemia (CLL), small lymphocytic lymphoma (SLL), or prolymphocytic leukemia (PLL). Some participants had not been treated before, while others had relapsed or not responded to prior therapies, including ibrutinib. The goal was to see how many patients achieved a significant reduction in cancer. The study also included a small pilot group with Richter's transformation, a more aggressive form of the disease.

What this could mean

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

Active substance

MOR00208 (a monoclonal antibody) and lenalidomide (an immune-modulating drug)

What this could lead to

If successful, this combination could offer a new treatment option for people with hard-to-treat CLL, SLL, or PLL, including those who have stopped responding to other therapies.

What could go wrong

This is a small, early-phase study (41 participants) with no control group, so results may not apply broadly. Side effects from the combination are possible, and the treatment may not work for everyone.

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.

B-cell chronic lymphocytic leukemia chronic lymphocytic leukemia/small lymphocytic lymphoma prolymphocytic leukemia Richter transformation

As listed by the trial registrant

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

Contacts and locations

Locations

  • The Ohio State University Comprehensive Cancer Center

    Columbus, Ohio, 43210, United States