Clinical trial Recruiting at 1 site Observational Ages 18 and up

Using immunoglobulin to help patients with low antibody levels after CAR T cell therapy

Official title: Immunoglobulin for Hypogammaglobulinemia Due to Chimeric Antigen Receptor T Cell Therapy

Run by University of Alberta · NCT06989541 · Data updated 2026-11-12

This study is testing if giving immunoglobulin to patients with low antibody levels after CAR T cell therapy can help prevent infections and improve their quality of life.

More Hypogammaglobulinemia, Acquired trials

Quick facts

Study typeObservational
Ages18 Years and up
SexAll
Enrollment30 (estimated)
SponsorUniversity of Alberta
Academic / other
Drugs / interventionsCAR T, Chimeric antigen receptor
Locations1 site (Edmonton, Alberta)
StatusRecruiting
StartedJune 1, 2025
Main results expectedMay 1, 2027
Study endsMay 1, 2027
Registry record updatedSeptember 24, 2026
Trial IDNCT06989541 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are adults aged 18 and older who have severe HGG following CD19 targeted CAR T cell therapy within the last six months.

Probably not a fit

Patients who are pregnant, breastfeeding, or have certain protein-losing conditions may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study focuses on patients who have developed hypogammaglobulinemia (HGG) following treatment with chimeric antigen receptor (CAR) T cell therapy. It aims to assess the frequency of bacterial infections, quality of life, treatment satisfaction, and adverse events in these patients receiving immunoglobulin replacement therapy (IRT), either intravenously (IVIG) or subcutaneously (SCIG). By monitoring these factors, the study seeks to understand the effectiveness of IRT in preventing infections and improving patient outcomes.

Why it matters

Potential benefit: If successful, this study could significantly reduce the risk of serious infections in patients with HGG after CAR T cell therapy.

How similar studies have gone: While the use of immunoglobulin replacement therapy is standard for managing HGG, this specific observational approach in the context of CAR T cell therapy is novel and has not been extensively tested.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Age ≥18 years
2. Severe HGG defined as total IgG \<4 g/L (after subtracting the IgG paraprotein fraction, if present)
3. Treated with CD19 targeted CAR T cell therapy in the past 6 months
4. Consent to receive plasma-derived productions
5. Ability to provide informed consent

Exclusion Criteria:

1. Inability to comply with study procedures
2. Pregnancy or planning to conceive
3. Breastfeeding
4. Protein-losing conditions that may contribute to HGG (e.g., protein-losing enteropathy, nephrotic syndrome)
5. SCIG infusion in the prior 3 months.
6. History of allergy or severe reactions to immune globulin productions

Where it's running

  • University of Alberta
    Edmonton, Alberta, Canada
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.