The present study aims to get more insight into the efficacy of treatment with nilotinib and the various aspects that govern optimal response, of which adherence is a primary endpoint. We hypothesize that patients who experience inadequate response…
ID
Bron
Verkorte titel
Aandoening
chronic myeloid leukemia
Ondersteuning
Onderzoeksproduct en/of interventie
Uitkomstmaten
Primaire uitkomstmaten
1. MMR within 12 months after the start of first study medication.
2. Adherence: the total intake of nilotinib capsules as counted by means of a MEMS taken as percentage of the number of pills prescribed over the 12 months follow-up period.
Achtergrond van het onderzoek
23-mei-2014:
Background
The antitumor drug nilotinib has a large inter- and intra individual variability in pharmacokinetics. Adherence to treatment may substantially influence plasma levels and has been recognized as the most important determinant of treatment failure in chronic myeloid leukemia (CML). A better understanding of the various factors contributing to the efficacy of treatment is essential for the development of interventions to optimize the treatment of chronic phase CML (CP-CML) with a protein kinase inhibitor like nilotinib.
Methods/Design
In this multicenter prospective observational cohort study 70 adult patients with CP-CML starting treatment with nilotinib will be followed up for at least 12 months. Response to treatment is evaluated after 3, 6 and 12 months. Adherence is primarily assessed by counting the daily intake of nilotinib capsules by means of a medication event monitoring system (MEMS). Before the start of nilotinib treatment and after 3, 6 and 12 months, patients are asked to fill in a comprehensive questionnaire including topics on quality of life, side effects, attitude towards disease and medication, the patients’ appreciation of information received about the medication, and discontinuation, and trough plasma levels of nilotinib are measured.
Doel van het onderzoek
The present study aims to get more insight into the efficacy of treatment with nilotinib and the various aspects that govern optimal response, of which adherence is a primary endpoint. We hypothesize that patients who experience inadequate response levels to nilotinib are less adherent. In addition, their plasma levels of nilotinib may be lower.
Onderzoeksopzet
Baseline and after 3, 6 and 12 months of treatment.
Onderzoeksproduct en/of interventie
CP-CML patients starting treatment with nilotinib are followed up for at least 12 months.
Publiek
Christel Boons
Amsterdam 1081 HV
The Netherlands
00 31 20 4443524
c.boons@vumc.nl
Wetenschappelijk
Christel Boons
Amsterdam 1081 HV
The Netherlands
00 31 20 4443524
c.boons@vumc.nl
Belangrijkste voorwaarden om deel te mogen nemen (Inclusiecriteria)
- Male or female patients ≥ 18 years of age;
- ECOG 0, 1, or 2;
- Diagnosis of chronic myelogenous leukemia in chronic phase with cytogenetic confirmation of Philadelphia chromosome of (9;22) translocations;
- Starting treatment with nilotinib.
Belangrijkste redenen om niet deel te kunnen nemen (Exclusiecriteria)
- Patients who are considered Ph negative because they do not have a confirmed cytogenetic diagnosis of Philadelphia chromosome of (9,22) translocation;
- Previously documented T315I mutations;
- Treatment with tyrosine kinase inhibitor(s) prior to study entry is not allowed, except in the following situation: in emergent cases where the patient requires disease management while awaiting study start, commercial supplies of Glivec at any dose may be prescribed to the patient but for no longer than 2 weeks in duration;
- Any medical treatment for CML prior to study entry for longer than 2 weeks with the exception of hydroxyurea and/or anagrelide ;
- All other criteria based on the treatment guidelines.
- Inability to grant consent.
Opzet
Deelname
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