Safer, more effective CAR T-cell therapy by reducing harmful myeloid cytokines

Towards Safer and More Effective CART Cell Therapy Through the Modulation of Myeloid Cytokines

['FUNDING_R37'] · MAYO CLINIC ROCHESTER · NIH-11262878

Seeing whether blocking the immune protein GM‑CSF can make CAR T-cell therapy safer and work better for people with B‑cell blood cancers.

Quick facts

Phase['FUNDING_R37']
Study typeNih_funding
SexAll
SponsorMAYO CLINIC ROCHESTER (nih funded)
Locations1 site (ROCHESTER, UNITED STATES)
Trial IDNIH-11262878 on ClinicalTrials.gov

What this research studies

Researchers aim to lower levels of myeloid cytokines—especially GM‑CSF—that can trigger dangerous cytokine release syndrome (CRS) and neurotoxicity after CAR T‑cell treatment. They use laboratory and animal models and modify CAR T cells or give drugs that neutralize GM‑CSF to reduce monocyte activation, prevent CAR T cell death, and boost anti‑cancer activity. Promising preclinical results and emergency use in severe COVID‑19 have led to a Phase 1/2 multicenter trial testing GM‑CSF neutralization in patients getting CAR T therapy. If you join, treatment would be delivered at a participating hospital with close monitoring, blood tests, and follow‑up visits to track immune effects and side effects.

Who could benefit from this research

Good fit: Ideal candidates are people with B‑cell malignancies (for example, acute lymphoblastic leukemia or B‑cell lymphoma) who are eligible for CAR T‑cell therapy and meet the trial’s enrollment criteria.

Not a fit: People without B‑cell cancers, those not receiving CAR T treatment, or patients who are too medically unwell or otherwise ineligible for the trial are unlikely to receive direct benefit.

Why it matters

Potential benefit: Could reduce life‑threatening CRS and neurotoxicity and help CAR T therapy produce longer‑lasting remissions.

How similar studies have performed: Strong preclinical data and early clinical use of GM‑CSF depletion in cytokine storm settings showed promise, but large controlled trials in CAR T patients remain limited.

Where this research is happening

ROCHESTER, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.

View on NIH RePORTER →

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.