- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00854841
The Randomized Study of Dasatinib and High-Dose Imatinib (600mg) in Suboptimal Responder
Randomized, Open Label Study of Dasatinib (100mg qd) vs. High-Dose Imatinib (600mg) in Patients With Chronic Phase CML Who Have Had Suboptimal Response After 3-18 Months of Therapy With Imatinib (400mg)
Research Hypothesis:
Treatment with dasatinib 100 mg QD is superior to imatinib 600 mg QD in terms of complete cytogenetic response (CCyR) in chronic phase (CP) Philadelphia chromosome-positive (Ph+) Chronic Myeloid Leukemia (CML) subjects who are imatinib failures or who have achieved only a suboptimal response after 3-18 months (12-77 weeks) of therapy with imatinib 400 mg.
Primary Objective:
The primary objective of this study is to compare the rate of CCyR of dasatinib (100mg QD) to high-dose imatinib (600 mg QD) therapy at 6 months after randomization in CP Ph+ CML subjects who are imatinib failures or who have achieved only a suboptimal response after 3 - 18 months of imatinib monotherapy at 400 mg/day.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Design: Prospective open-label, randomized two arms, multicenter study for the patients with suboptimal response to standard Tx to evaluate efficacy & safety of dasatinib (100mg qd) & imatinib (600mg daily) by CyR & MoR at 3, 6 & 12 months.
- Randomized 1:1
- Crossover to alternate be permitted after confirmed PD at 3M (AP, BC & loss of CHR or MCyR) & absence of any response at 6M.
Duration of Study: Subjects will be treated for up to 12 months, unless disease progression or unacceptable toxicity occurs, the subject withdraws, or the study is discontinued.
Duration of Study: Subjects will be treated for up to 12 months, unless disease progression or unacceptable toxicity occurs, the subject withdraws, or the study is discontinued.
Number of Subjects: A total of 90 subjects will be randomized in 1:1 randomization ratio
Study Population: Subjects 18 years of age or older with CP Ph+ CML and who are imatinib failures or ave achieved only a suboptimal response after 3 - 18 months (12 - 77 weeks) of treatment with 400 mg/day of imatinib monotherapy.
Test Product, Dose and Mode of Administration, Duration of Treatment:
Subjects in the dasatinib arm will begin treatment with dasatinib at an oral dose of 100 mg QD. One dose reduction to 70 mg due to toxicity will be allowed. One dose escalation to 140 mg is allowed under specified circumstances.
Reference Therapy, Dose and Mode of Administration, Duration of Treatment:
Subjects in the imatinib arm will begin treatment with imatinib at an oral dose of 600 mg QD Doses of imatinib can be escalated to 800 mg for patients with inadequate response at 3 months and dose reduction of imatinib is not permitted for any cases of patients.
Criteria for Evaluation:
Efficacy:
- Primary Endpoint: CCyR rate at 6 months after randomization.
Secondary Endpoints:
- MMR rates at 3, 6, and 12 months
- CCyR rates at 3, 6 and 12 months
- CHR rates at 3, 6and 12 months
- Time to-, and duration of-, MMR and CCyR
- Progression free survival (PFS)
Safety:
Adverse experiences associated with dasatinib or imatinib treatment will be reported for all treated subjects. Adverse events will be assessed continuously and graded according to the NCI Common Terminology Criteria for Adverse Events (CTCAE) Version 3.0.
Study Type
Contacts and Locations
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Signed written informed consent, at least 18 years old
- Adequate hepatic renal function
- Dasatinib naïve patients
- Patients with cytogenetically and/or molecularly confirmed Philadelphia chromosome or BCR-ABL positive CP-CML who have been treated with standard dose of imatinib.
- ECOG status: 0-2
- And one of following criteria for imatinib suboptimal response 1)CP-CML patients who have failed to achieve a CHR at 3 months or MCyR at 6 months of therapy with imatinib 400mg daily. 2)CP-CML patients who have failed to achieve a CCyR at 12 months with imatinib 400mg daily 3)CP-CML patients who have failed to achieve a MMoR (less than 3 log reduction) at 18 months with imatinib 400mg daily 4)CP-CML patients who have lost molecular response by an increase of BCR-ABL more than 10 times regardless treatment duration.
Exclusion Criteria:
- Concurrent malignancy
- Patients who have received SCT
- Allergy or hypersensitivity reaction to the study drugs
- Female who are pregnant or breast feeding.
- T315I mutation
- History of significant bleeding disorder
- Women of child bearing potential
- Uncontrolled or significant CVS disease: IHD. CHF
- Prior imatinib>400mg, imatinib>18 months
- Intolerance to imatinib 400mg
Study Plan
How is the study designed?
Collaborators and Investigators
Investigators
- Principal Investigator: Jooseop Chung, MD. PhD, Pusan National University Hospital, Korea
Study record dates
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Neoplasms by Histologic Type
- Neoplasms
- Bone Marrow Diseases
- Hematologic Diseases
- Myeloproliferative Disorders
- Leukemia
- Leukemia, Myeloid
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive
- Molecular Mechanisms of Pharmacological Action
- Enzyme Inhibitors
- Antineoplastic Agents
- Protein Kinase Inhibitors
- Imatinib Mesylate
- Dasatinib
Other Study ID Numbers
- CA180-257
- KCML02
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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