Targeted therapy for relapsed B-cell leukemia and lymphoma using CAR T-cells

Iomab-ACT: A phase I/II study of 131-I apamistamab targeted lymphodepletion followed by CD19-targeted CAR T-cell therapy for patients with relapsed or refractory B-ALL or DLBCL

NIH-funded research Actinium Pharmaceuticals, INC. · NIH-10892773

This study is testing a new treatment for adults with tough-to-treat B-cell leukemia and lymphoma, using special CAR T-cells along with a unique method to help make the treatment safer and more effective.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionActinium Pharmaceuticals, INC. NIH-funded
Lab location1 site (New York, UNITED STATES)
Project IDNIH-10892773 on NIH RePORTER

What this research studies

This research investigates a new treatment approach for adults with relapsed or refractory B-cell acute lymphoblastic leukemia (B-ALL) and diffuse large B-cell lymphoma (DLBCL). It combines a targeted therapy using CD19-directed CAR T-cells with a novel conditioning treatment that aims to reduce side effects while enhancing the effectiveness of the CAR T-cell therapy. The study focuses on using a specific antibody labeled with iodine to deplete certain immune cells before administering the CAR T-cells, potentially improving patient outcomes. Patients will be monitored for both efficacy and safety throughout the treatment process.

Who could benefit from this research

Good fit: Ideal candidates for this research are adults aged 21 and older who have relapsed or refractory B-ALL or DLBCL.

Not a fit: Patients with other types of cancers or those who are not relapsed or refractory may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to more effective and safer treatment options for patients with difficult-to-treat B-cell malignancies.

How similar studies have performed: Previous research has shown promising results with CAR T-cell therapies, but this specific approach using targeted lymphodepletion is novel.

Where this research is happening

New York, 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.
Last reviewed 2026-06-13 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.