Patients with chronic myeloid leukemia with complete molecular response can stop tyrosine kinase inhibitors under close monitoring MedDRA version: 17.0 Level: LLT Classification code 10009016 Term: Chronic myeloid leukemia in remission System Organ Class: 100000004864
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: • CML in CP under treatment with TKI in first line or in second line because of toxicity to first line TKI or with TKI in combination • Duration of TKI treatment before enrolment at least 3 years • Complete molecular remission (CMR4 (= 0.01% on IS) for at least one year; at least three PCR-results with CMR4 within the last year (± 2 months) before study entry • Before inclusion confirmation of CMR through a EUTOS-CMR laboratory • Both sexes but fertile women only if using effective contraceptive • Health insurance coverage • 18 years or older Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range 500 F.1.3 Elderly (>=65 years) yes F.1.3.1 Number of subjects for this age range 200
Exclusion criteria
Exclusion criteria: • Under 18 years old • Hospitalized patients without ability to give informed consent • Adults under law protection or without ability to assent • Previous or planned allogeneic stem cell transplantation
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Secondary Objective: 1- Identification of clinical and biological factors affecting the persistence of complete molecular remission after stopping TKI (e.g. level of CMR, risk score, duration of TKI treatment, type of TKI pretreatment) 2- Evaluation of QoL in patients stopping TKI 3- Evaluation of medico-economic impact of stopping TKI 4- Estimating the number of patients in CMR who would be eligible for stopping TKI therapy by setting up a screening log 5- Time to recovery of CMR4 ;Main Objective: Assessment of the duration of MMR or better after stopping of TKI therapy;Primary end point(s): Evaluation of molecular relapse-free survival after stopping TKI (survival without molecular relapse defined by BCR-ABL1 ratio > 0.1% on the IS at one time point (loss of major molecular response, MMR));Timepoint(s) of evaluation of this end point: After 200 patients with follow-up of at least 6 months | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary end point(s): 1-Identification of clinical and biological factors affecting the persistence of MMR and CMR (MR4) after stopping TKI (level of CMR before treatment discontinuation, predicting factors like risk score, duration, dosage and type of TKI pretreatment) 2-Estimation of OS and PFS 3-Estimation of probabilities of a restart of TKI therapy without prior molecular relapse 4-Patient reported QoL and symptom burden over time 5-Evaluation of medico-economic impact of TKI discontinuation 6-Time to recovery of CMR (MR4) after restart of TKI due to relapse (loss of MMR). ;Timepoint(s) of evaluation of this end point: At interim analysis as described above | — |
Countries
Austria, Finland, Netherlands, Norway, Portugal, Russian Federation, Spain, Sweden, Switzerland
Contacts
Universitätsmedizin Mannheim