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Phase II study of imatinib mesylate for treatment of Philadelphia Chromosome-positive acute lymphoblastic leukemia (Ph+ ALL) in children: A Japanese Cooperative Trial

Phase II study of imatinib mesylate for treatment of Philadelphia Chromosome-positive acute lymphoblastic leukemia (Ph+ ALL) in children: A Japanese Cooperative Trial - Ph+ ALL04

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-C000000290
Enrollment
56
Registered
2005-12-01
Start date
2004-11-01
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

Philadelphia Chromosome-positive acute lymphoblastic leukemia

Interventions

The effect of imatinib mesylate monotherapy will be assessed using a molecular technique before the hematopoietic stem cell transplantation.

Sponsors

Japanese Pediatric Leukemia/Lymphoma Study Group (JPLSG)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patient with a diagnosis of Philadelphia chromosome-positive acute lymphoblastic leukemia. No previous treatment including chemotherapeutic agents and radiotherapy. The use of steroids or intrathecal tehrapy is accepted. ECOG performance status score should be 0-2. Adequate end organ function, defined as the following: total bilirubin < 2mg/dl, creatinin < 2mg/dl. Normal EKG. Patients or legal guardians must sign an informed consent and have been told of its possible benefits and toxic side effects. Patients or their guardians will be given a copy of the consent form.

Exclusion criteria

Exclusion criteria: Intracranial hemorrhage. Heart failure requiring treatment. Chronic renal failure. Active uncontrolled infections. Diabetes mellitus. Liver chirrhosis. Patient with any significant history of non-compliance to medical regimens or with inability to grant reliable informed consent. Female patients who are pregnant or breast-feeding.

Design outcomes

Primary

MeasureTime frame
To determine the efficacy of imatinib mesylate for children with Philadelphia Chromosome-positive acute lymphoblastic leukemia (Ph+ ALL) assessed by a molecular quantification technique.

Secondary

MeasureTime frame
To evaluate the event-free survival for patients with Ph+ ALL assessed by a life table analysis, To evaluate the rate of patients who receive allogeneic stem cell transplantation (SCT) in the first complete remission (CR). To evaluate the safety of the regimen.

Countries

Japan

Contacts

Public ContactTetsuya Takimoto

JPLSG Data Center

jplsgdata@nnh.hosp.go.jp052-951-1111

Outcome results

None listed

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