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Evaluation of the safety and efficacy of allogeneic hematopoietic stem cell transplantation (HSCT) using alemtuzumab for patients with aplastic anemia

Evaluation of the safety and efficacy of allogeneic hematopoietic stem cell transplantation (HSCT) using alemtuzumab for patients with aplastic anemia - HSCT for aplastic anemia using alemtuzumab

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-C000000356
Enrollment
38
Registered
2006-03-20
Start date
2004-12-01
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

Aplastic anemia

Interventions

Alemtuzumab is added to the fludarabine-based regimen at 0.16 &#8211
0.25 mg/kg per day for 6 days (days -10 to -5).

Sponsors

GCP-ISS HE0403 group
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Patients with transfusion-dependent moderately severe, severe or very severe acquired aplastic anemia persisting for 6 months or longer after immunosuppressant treatment with ATG alone or in combination with cyclospoline. (2) Patients who have an HLA-matched or 1-locus-mismatched related donor or an HLA-matched unrelated donor. (3) ECOG performance status of 0 or 1. (4) Good major organ functions.

Exclusion criteria

Exclusion criteria: (1) Diabetes uncontrollable even with regular insulin use. (2) Uncontrollable hypertension. (3) Current active infection. (4) 5% or more malignant cell involvement in bone marrow. (5) Abnormality in chromosome 7 detected by bone marrow G-banding or FISH. (6) Current active cancer. (7) Pregnant or nursing women or women who may be pregnant. (8) Uncontrollable mental illness. (9) Hepatitis B virus antigen-positive (HBsAg or HBeAg). (10) HIV-positive. (11) A history of hypersensitivity to transplant conditioning agents (fludarabine phosphate, cyclophosphamide) or agents for GVHD prophylaxis (ciclosporin, methotrexate). (12) A history of hematopoietic stem cell transplantation.

Design outcomes

Primary

MeasureTime frame
Survival on day 60 after transplantation Engraftment within 60 days Incidence of grade II to IV acute GVHD within 60 days

Secondary

MeasureTime frame
• Regimen-related toxicity • Incidence of infectious disease • Overall survival at day 365 • Therapeutic efficacy for aplastic anemia

Countries

Japan

Contacts

Public ContactYoshinobu Kanda

The University of Tokyo Hospital Department of Hematology & Oncology

ycanda-tky@umin.ac.jp03-3815-5411

Outcome results

None listed

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