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NCT06559189

Phase I Dose Escalation and Preliminary Efficacy Study of Bispecific CD19 and CD22 Chimeric Antigen Receptor Co-Expressing T Cells (CD19x22 CAR T) in Pediatric Patients With Relapsed and/or Refractory B-Cell Acute Lymphoblastic Leukemia (B-ALL)

Recruiting now Phase 1 Last updated 21 November 2025
What this trial tests

Phase 1 trial testing CD19x22 CAR T in B-cell Acute Lymphoblastic Leukemia in 53 participants. Currently enrolling.

Timeline
27 September 2024
Primary endpoint
1 December 2028
1 December 2029

Quick facts

Lead sponsorUniversity of Colorado, Denver
PhasePhase 1
StatusRecruiting now
Study typeINTERVENTIONAL
Allocationnon randomized
Designparallel
Maskingnone
Primary purposetreatment
Enrollment53
Start date27 September 2024
Primary completion1 December 2028
Estimated completion1 December 2029
Sites1 location across United States

Drugs / interventions tested

Conditions studied

Sponsor

University of Colorado, Denver

Who can join

Adults 3 Months to 30, any sex, with B-cell Acute Lymphoblastic Leukemia. Patients with the condition only — healthy volunteers not accepted.

What's being measured

Primary outcomes are the specific endpoints the trial is designed to prove or disprove.

Sponsor's own description

This study will evaluate the safety and tolerability of administering a novel bispecific CD19/CD22-directed CAR T cell product (CD19x22) for the treatment of relapsed or refractory pediatric B-ALL.

Publications & conference data

3 peer-reviewed publications reference this trial (live from Europe PMC):

  1. Mechanisms of Resistance to CAR T-Cells and How to Overcome Them.
    Legato L, Bisio M, Fasano F, Benevolo Savelli C, et al · · 2025 · cited 3× · PMID 40981226 · DOI 10.3390/mps8050108
  2. Advances in ligand-targeted nanodelivery systems for leukemia therapy: from single- to dual-ligand strategies.
    Hu M, He C, Hao J, Qi N, et al · · 2026 · PMID 41772642 · DOI 10.1186/s12967-026-07966-w
  3. Increased NFAT activity with dual CAR stimulation in CD19xCD22 CAR T-cells is associated with decreased exhaustion and improved survival.
    Rankin AW, Pham-Danis C, Novak AJ, Danis E, et al · · 2025 · PMID 41238217 · DOI 10.1136/jitc-2025-011971

Verify or expand the search:

Other recruiting trials for B-cell Acute Lymphoblastic Leukemia

Currently open trials in the same condition.

Other University of Colorado, Denver trials

Trials by the same sponsor.

Verify against primary sources

Data sources for this page

Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT06559189.

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing