Engineered immune cells take aim at deadly lung cancer

NCT ID NCT07509034

First seen Jun 27, 2026 · Last updated Aug 14, 2026 · Updated 34 times

Summary

This early-phase trial tests a new therapy for people with advanced small cell lung cancer or similar neuroendocrine cancers that have not responded to prior treatment. The approach involves collecting a patient's own immune cells, modifying them in a lab to recognize a protein called B7-H3 found on cancer cells, and infusing them back into the body. The study will enroll 40 participants to evaluate safety and determine the best dose, with follow-up lasting up to 15 years.

What this could mean

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

Active substance
B7-H3 CAR T cells (a type of immune cell therapy)
What this could lead to
If it works, this could point toward a new treatment option for people with advanced small cell lung cancer or similar cancers that have stopped responding to standard therapy.
What could go wrong
This is an early phase 1 trial with only 40 participants, so it is primarily testing safety. The treatment may not shrink tumors, and there are risks from chemotherapy and potential side effects from the modified cells.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • National Institutes of Health Clinical Center

    Bethesda, Maryland, 20892, United States

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