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Phase 2 study of the treatment discontinuation after the change from imatinib to Interferon-alpha in chronoic myeloid leukemia patients who maintained major molecular remission.

Phase 2 study of the treatment discontinuation after the change from imatinib to Interferon-alpha in chronoic myeloid leukemia patients who maintained major molecular remission. - JISAS (Japanese Imatinib Stop And Interferon Study)

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000002838
Enrollment
15
Registered
2009-12-22
Start date
2009-12-01
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

Chronic myeloid leukemia in 1st chronic phase and major molecular response sustained for more than 2 years with imatinib

Interventions

Administration of IFN is started at a dose of 3 million units 2-5 times per week within 4 weeks after discontinuation of imatinib treatment. Then, after sustained MMR by IFN for 2 years, IFN treatment

Sponsors

Kanto CML collaborative study group
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Patients with Philadelphia chromosome-positive or bcr-abl fusion transcript-positive CML 1st chronic phase in CMR under imatinib. 2) MMR maintained for longer than 2 years under imatinib. 3) ECOG Performance status 0,1,2 4) Adequate end organ function as defined by: i) ALT and AST < 2.5 X ULN (upper limit of normal) ii) T.Bil < 1.5 X ULN iii) Cr < 1.5 x ULN iv) SpO2 under room air = or >95% 5) Ability to provide written informed consent prior to any study procedures being performed.

Exclusion criteria

Exclusion criteria: 1) Patients with another primary malignancy except if the other primary malignancy is neither currently clinically significant or requiring active intervention. 2) Patients with uncontrolled active infection. 3) Patients with suspicion of interstitial pneumonitis. 4) History of depression. 5) Patients with uncontrolled diabetes. 6) Patients who currently receiving systemic treatment with corticoid or immunosuppressive drugs. 7) Patients whose physicians consider not appropriate.

Design outcomes

Primary

MeasureTime frame
Among evaluable patients, the ratio of patients who maintained MMR 12 months after stop of IFN.

Countries

Japan

Contacts

Public ContactKensuke Usuki

NTT Kanto Medical Center Division of Hematology

kensuke.usuki@gmail.com03-3448-6111

Outcome results

None listed

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