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Salvage haploidentical allogeneic hematopoietic stem cell transplantation using posttransplant cyclophosphamide for engraftment failure

Phase 2
Recruiting
Conditions
engraftment failure
D006084
engraftment failure after allogeneic hematopoietic stem cell transplantation
Registration Number
JPRN-jRCTs031220607
Lead Sponsor
Onizuka Makoto
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Recruiting
Sex
All
Target Recruitment
20
Inclusion Criteria

1. primary engraftment failure after allogeneic hematopoietic stem cell transplantation for hematological disease, primary immunodeficiency, and congenital metabolic disorder
2. any stage and disease status
3. Age <= 70
4. PS 0-3
5. any history of autologous or allogeneic stem cell transplantation
6. no evidence of severe organ dysfunction (ejection fraction >=50, total bilirubin <=2.0, CCr >=30, SpO2 >=90% (O2 <=4L/min)
7. consent to join this study
8. a HLA haploidentical donor is available

Exclusion Criteria

1. positive anti-HIV antibody
2. active cancer
3. need for vasopressor
4. pregnancy
5. allergic to cyclophosphamide, melphalan, fludarabine, tacrolimus, and mycophenolate Mofetil
6. need for chemotherapy before protocol therapy
7. concomitant relapse of primary malignancy
8. recurrent engraftment failure
9. presence of donor-specific anti-HLA antibody
10. judgment by physician

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Overall survival at 1 year
Secondary Outcome Measures
NameTimeMethod
1. neutrophil and platelet engraftment rate at 30 days<br>2. incidence and severity of acute and chronic GVHD at 180 and 365 days<br>3. relapse rate at 180 and 365 days<br>4. nonrelapse mortality at 180 and 365 days<br>5. relapse-free survival at 180 and 365 days<br>6. GVHD-free relapse-free survival at 180 and 365 days<br>7. incidence of infection at 180 days<br>8. incidence of non-hematological toxicity graded>=3 at 100 days
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