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Allogeneic hematopoietic stem cell transplantation (HSCT) from HLA-haploidentical related donor using reduced dose of posttransplantation high-dose cyclophosphamide (PTCy) for poor prognosis or refractory hematological malignancies (OCU16-2)

Allogeneic hematopoietic stem cell transplantation (HSCT) from HLA-haploidentical related donor using reduced dose of posttransplantation high-dose cyclophosphamide (PTCy) for poor prognosis or refractory hematological malignancies (OCU16-2) - HLA-haploidentical HSCT with reduced dose of PTCy (OCU16-2)

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000026028
Enrollment
33
Registered
2017-02-08
Start date
2017-02-09
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Acute myeloid leukemia(AML) Acute lymphoblastic leukemia(ALL) Acute leukemias of ambiguous lineage Myelodysplastic syndrome(MDS) Chronic myeloid leukemia(CML) Adult T-cell leukemia/lymphoma(ATLL) Malignant lymphoma(ML)

Interventions

Fludarabine (15 mg/square meter of body surface area twice a day for 2 days and 30 mg/square meter once a day for 4 days), cytarabine (2 g/square meter twice a day for 2 days), and melphalan (100 mg/

Sponsors

Osaka City University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Among patients with refractory hematological disorders (indicated in the selection criteria) who are clinically adopted to allo-HSCT because they cannot expect to be cured or long-term survival by any other therapy, patients who do not have or not available HLA serological identical related donors and have HLA-haploidentical donors. 1) Age >= 15 and < 70 years old 2) ECOG PS 0 or 1 3) Normal function of major organs 4) Informed consent has been acquired 5)Indication (a) AML 1. Refractory to 1st induction therapy 2. Relapse after chemotherapy 3. Unfavorable chromosome abnormality including del(5q)/-5, -7/del(7q), abn 3q, 9q, 11q, 20q, 21q, 17q, t(6;9), t(9;22) or complex karyotype 4. Normal karyotype and FLT3-ITD mutation 5. Intermediate/poor group by JALSG score 6. AML with MRC 7. History of relapse after allo-HSCT 8. CR1 with standard risk or high risk (b) ALL 1. Refractory to 1st induction therapy 2. Relapse after chemotherapy 3. Any of the following poor prognostic factors i) t(9;22) or t(4;11) ii) >= 35 years of age at diagnosis iii) WBC count of more than 30,000/uL for B-ALL, or more than 100,000/uL for T-ALL at diagnosis 4. History of relapse after allo-HSCT (c) Acute leukemias of ambiguous lineage 1. Refractory to the first induction therapy 2. Relapse after chemotherapy 3. Unfavorable chromosome abnormality 4. History of relapse after allo-HSCT (d) MDS 1. RAEB-1 or 2 2. IPSS intermediate-2 or high 3. Transfusion dependent 4. History of relapse after allo-HSCT (e) CML 1. AP or BC: refractory to multiple TKIs 2. CP beyond 1st CP or AP 3. History of relapse after allo-HSCT (f) ATLL, ML 1. ATLL Acute or lymphoma type in the PR or better 2. ML Malignant lymphoma which is classified in the 2008 WHO classification which relapse after auto-HSCT, or which have no indication for auto-HSCT due to no sensitivity to chemotherapy or poorly controlled disease with conventional chemotherapy

Exclusion criteria

Exclusion criteria: 1) Major organ dysfunction a) Total bilirubin: >= 2.0 mg/dl b) Serum creatinine: >= 2.0 mg/dl c) Left ventricular ejection fraction: < 50% d) Pulmonary function test: %VC <40%, FEV1.0% <50% or SaO2 <90% on room air e) AST or ALT >= 3 x UNL 2) Uncontrolled active infection 3) Uncontrolled CNS invasion 4) Poorly controlled insulin-treated diabetes mellitus 5) Poorly controlled hypertension 6) Patients with a severe complication including heart failure, coronary failure, acute myocardial infarction within the last three months, liver cirrhosis and interstitial pneumonia 7) Pregnant, lactating woman or woman of childbearing potential 8) Patients with a severe mental disorder who are likely to be unable to participate in the study 9) A history of hypersensitivity or allergy to any drugs in the conditioning regimen of this transplant 10) HIV antibody positivity 11) A history of administration of mogamulizumab 12) The physician in charge determines that there is no indication to perform this intervention (Note: HBs antigen positivity and HCV antibody positivity is not exclusion criterion)

Design outcomes

Primary

MeasureTime frame
Proportion of patients who survive with graft engraftment at 100 days fo1lowing transplantation

Countries

Japan

Contacts

Public ContactHirohisa Nakamae

Osaka City University, Graduate School of Medicine Hematology

hirohisa@msic.med.osaka-cu.ac.jp06-6645-3881

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026