Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT05476770 · ClinicalTrials.gov registry record · Phase 1

Tagraxofusp in Pediatric Patients With Relapsed or Refractory CD123 Expressing Hematologic Malignancies

A Phase 1 study of Hodgkin Lymphoma and Hematologic Malignancy, sponsored by Therapeutic Advances in Childhood Leukemia Consortium.

Recruiting
Registry status
Phase 1
Development phase
54
Enrollment target
20
Study locations

NCT05476770: Recruiting Phase 1 study of Hodgkin Lymphoma and Hematologic Malignancy, sponsored by Therapeutic Advances in Childhood Leukemia Consortium.

NCT05476770 is a Phase 1 study of Hodgkin Lymphoma and Hematologic Malignancy that is actively recruiting participants, run by Therapeutic Advances in Childhood Leukemia Consortium. The registered enrollment target is 54 participants, below the 165-participant average among 71 other Hodgkin Lymphoma trials with a reported enrollment target (67% lower). The trial reports 20 study locations across 14 states. According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT05476770, a Phase 1 study of Hodgkin Lymphoma and Hematologic Malignancy, is actively recruiting participants, sponsored by Therapeutic Advances in Childhood Leukemia Consortium.

RECRUITING
Registry status
Phase 1
Development phase
54 participants
Enrollment target
20
Study locations

Study Summary

Tagraxofusp is a protein-drug conjugate consisting of a diphtheria toxin redirected to target CD123 has been approved for treatment in pediatric and adult patients with blastic plasmacytoid dendritic cell neoplasm (BPDCN). This trial aims to examine the safety of this novel agent in pediatric patients with relapsed/refractory hematologic malignancies. The mechanism by which tagraxofusp kills cells is distinct from that of conventional chemotherapy. Tagraxofusp directly targets CD123 that is present on tumor cells, but is expressed at lower or levels or absent on normal hematopoietic stem cells. Tagraxofusp also utilizes a payload that is not cell cycle dependent, making it effective against both highly proliferative tumor cells and also quiescent tumor cells. The rationale for clinical development of tagraxofusp for pediatric patients with hematologic malignancies is based on the ubiquitous and high expression of CD123 on many of these diseases, as well as the highly potent preclinical activity and robust clinical responsiveness in adults observed to date. This trial includes two parts: a monotherapy phase and a combination chemotherapy phase. This design will provide further monotherapy safety data and confirm the FDA approved pediatric dose, as well as provide safety data when combined with chemotherapy. The goal of this study is to improve survival rates in children and young adults with relapsed hematological malignancies, determine the recommended phase 2 dose (RP2D) of tagraxofusp given alone and in combination with chemotherapy, as well as to describe the toxicities, pharmacokinetics, and pharmacodynamic properties of tagraxofusp in pediatric patients. About 54 children and young adults will participate in this study. Patients with Down syndrome will be included in part 1 of the study.

Primary Outcome

The incidence of dose limiting toxicity (DLT) will be measured at different dose levels.

Interventions

  • DRUG Fludarabine
  • DRUG Dexamethasone
  • DRUG Vincristine
  • DRUG Cytarabine
  • DRUG Tagraxofusp

Study Locations (20)

California

  • Children's Hospital Los Angeles - Los Angeles
  • Children's Hospital Orange County - Orange
  • UCSF School of Medicine - San Francisco

Ohio

  • Cincinnati Children's Hospital Medical Center - Cincinnati
  • Rainbow Babies - Cleveland
  • Nationwide Children's Hospital - Columbus

Maryland

  • Johns Hopkins University - Baltimore
  • National Cancer Institute, Pediatric Oncology Branch - Bethesda

New York

  • Children's Hospital New York-Presbyterian - New York
  • Memorial Sloan Kettering Cancer Center - New York

Colorado

  • Children's Hospital Colorado - Denver

District of Columbia

  • Children's National Medical Center - Washington D.C.

Florida

  • University of Miami - Miami

Georgia

  • Children's Healthcare of Atlanta, Emory University - Atlanta

Trial Details

FieldValue
Enrollment Target 54 participants
Start Date 2022-11-11
Est. Completion 2027-11-11
Phase Phase 1

What NCT05476770 shows while recruiting

NCT05476770 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 54 participants, a relatively small participant target, below the 165-participant average among 71 other Hodgkin Lymphoma trials with a reported enrollment target (67% lower).

The record links to 10 conditions, with Hodgkin Lymphoma appearing as the primary indexed condition, and to 5 interventions - of which Fludarabine is the first listed.

NCT05476770 names 20 study sites across 14 states, led by California, Ohio, Maryland.

Frequently Asked Questions

What is clinical trial NCT05476770 about?

NCT05476770 is a clinical study titled "Tagraxofusp in Pediatric Patients With Relapsed or Refractory CD123 Expressing Hematologic Malignancies". Tagraxofusp is a protein-drug conjugate consisting of a diphtheria toxin redirected to target CD123 has been approved for treatment in pediatric and adult patients with blastic plasmacytoid dendritic cell neoplasm (BPDCN). This trial aims to examine the safety of this novel agent in pediatric patien...

What is the current status of trial NCT05476770?

This trial is currently recruiting. It is a Phase 1 study. The enrollment target is 54 participants. The study started on 2022-11-11. Estimated completion is 2027-11-11.

What conditions does trial NCT05476770 study?

This clinical trial studies the following conditions: Hodgkin Lymphoma, Hematologic Malignancy, Lymphoma, B-Cell, Mixed Phenotype Acute Leukemia, AML.

What interventions are being tested in trial NCT05476770?

The interventions under investigation include: Fludarabine (DRUG), Dexamethasone (DRUG), Vincristine (DRUG), Cytarabine (DRUG), Tagraxofusp (DRUG).

Who is sponsoring clinical trial NCT05476770?

This trial is sponsored by Therapeutic Advances in Childhood Leukemia Consortium, which has 19 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT05476770 being conducted?

This trial has 20 study locations across California, Colorado, District of Columbia, Florida, Georgia. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Hodgkin Lymphoma

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT05476770's enrollment target sits among peer trials

54 36th of 71 higher than 35 of 71 other Hodgkin Lymphoma trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Hodgkin Lymphoma trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT01269853 · 54 participants · Phase 1

    Repeated Super-selective Intraarterial Cerebral Infusion of Bevacizumab (Avastin) for Treatment of Relapsed GBM and AA

  • NCT02390752 · 54 participants · Phase 1

    Phase I Trial of TURALIO(R) (Pexidartinib, PLX3397) in Children and Young Adults With Refractory Leukemias and Refractory Solid Tumors Including Neurofibromatosis Type 1 (NF1) Associated Plexiform Neurofibromas (PN) and Tenosynovial Giant Cell Tumor ...

  • NCT02991248 · 54 participants · NA

    Improve Dynamic Lateral Balance of Humans With SCI

  • NCT02993900 · 54 participants · NA

    Image-Guided Gynecologic Brachytherapy

Similar registry start date

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

  • NCT07125183 · started 2026-12 · Phase 2

    Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma

  • NCT07292298 · started 2026-11 · Phase 2

    Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

  • NCT04263285 · started 2026-10 · NA

    Treatment of Depression Post-SCI

Source: ClinicalTrials.gov NCT05476770, the US trial registry maintained by the National Library of Medicine. NCT05476770 (small enrollment · wide site footprint · recruiting) retrieved and formatted by PlainTrial, see methodology.