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Clinical Trial of Upfront Haploidentical or Unrelated Donor BMT to Restore Normal Hematopoiesis in Aplastic Anemia

NCT06517641 · Status: RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 60

Last updated 2026-02-17

No results posted yet for this study

Summary

BMT CTN 2207 will investigate the use of marrow transplantation for treatment of severe aplastic anemia that has not previously been treated.

Conditions

  • Severe Aplastic Anemia

Interventions

DRUG

Haploidentical donor bone marrow transplant

Drugs: 1. Antithymocyte Globulin (ATG) dose will be 0.5 mg/kg IV on Day -9 over 6 hours and 2 mg/kg IV on Days -8 and -7 over 4 hours. 2. Fludarabine dose will be 30 mg/m\^2 IV daily for 5 days from Day -6 to Day -2. 3. Cyclophosphamide dose will be 14.5 mg/kg IV daily for 2 days (Day -6 to Day -5) prior to transplantation and 50 mg/kg IV daily for 2 days (Day +3 to Day +4) after transplantation. 4. Tacrolimus should be started on Day +5 and administered to maintain a level of 10-15 ng/mL. 5. Mycophenolate mofetil (MMF) dose will be 15 mg/kg PO three times a day (TID) up to 1 gm TID (or IV equivalent) starting on Day +5 through Day +35. 6. G-CSF will be given IV or SQ starting on Day +5 at 5 mcg/kg/day until ANC is \> 1500 for 3 days. Radiation: 1\. Total Body Irradiation (TBI): will be given as a single dose of 400 cGy on Day -1. Procedure: 1\. HSCT: Eligible patients will receive a haploidentical donor bone marrow transplant.

DRUG

Unrelated donor bone marrow transplant

Drugs: 1. Antithymocyte Globulin (ATG) dose will be 0.5 mg/kg IV on Day -9 over 6 hours and 2 mg/kg IV on Days -8 and -7 over 4 hours. 2. Fludarabine dose will be 30 mg/m\^2 IV daily for 5 days from Day -6 to Day -2. 3. Cyclophosphamide dose will be 14.5 mg/kg IV daily for 2 days (Day -6 to Day -5) prior to transplantation and 50 mg/kg IV daily for 2 days (Day +3 to Day +4) after transplantation. 4. Tacrolimus should be started on Day +5 and administered to maintain a level of 10-15 ng/mL. 5. Mycophenolate mofetil (MMF) dose will be 15 mg/kg PO three times a day (TID) up to 1 gm TID (or IV equivalent) starting on Day +5 through Day +35. 6. G-CSF will be given IV or SQ starting on Day +5 at 5 mcg/kg/day until ANC is \> 1500 for 3 days. Radiation: 1\. Total Body Irradiation (TBI): will be given as a single dose of 400 cGy on Day -1. Procedure: 1\. HSCT: Eligible patients will receive an unrelated donor bone marrow transplant.

Sponsors & Collaborators

  • National Heart, Lung, and Blood Institute (NHLBI)

    collaborator NIH

  • National Cancer Institute (NCI)

    collaborator NIH

  • Sanofi

    collaborator INDUSTRY

  • Medical College of Wisconsin

    lead OTHER

Study Design

Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
3 Years
Max Age
75 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-05-12
Primary Completion
2028-08-01
Completion
2029-02-01
FDA Drug
Yes

Countries

  • United States

Study Locations

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Entities

Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06517641 on ClinicalTrials.gov