A Phase III Study of Dasatinib vs Imatinib in Patients With Newly Diagnosed Chronic Phase Chronic Myeloid Leukemia (DASISION)

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
Bristol-Myers Squibb
ClinicalTrials.gov Identifier:
NCT00481247
First received: May 30, 2007
Last updated: August 8, 2016
Last verified: August 2016
  Purpose
The purpose of this clinical research study is to compare the confirmed complete cytogenetic response of dasatinib with that of imatinib within 12 months after randomization in patients with newly diagnosed chronic-phase Philadelphia positive chronic myeloid leukemia. The safety of this treatment will also be studied.

Condition Intervention Phase
Myeloid Leukemia, Chronic
Drug: Dasatinib
Drug: Imatinib
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: An Open-Label, Randomized, Multicenter Phase III Trial of Dasatinib (SPRYCEL®) vs. Standard Dose Imatinib (400 mg) in the Treatment of Subjects With Newly Diagnosed Chronic Phase Philadelphia Chromosome Positive Chronic Myeloid Leukemia

Resource links provided by NLM:


Further study details as provided by Bristol-Myers Squibb:

Primary Outcome Measures:
  • Number of Participants With Best Confirmed Complete Cytogenetic Response (cCCyR) Within 12 Months [ Time Frame: Pretreatment, every 3 months up to 12 months ]
    Cytogenetic response (CyR) is based on the prevalence of Philadelphia positive (Ph+) cells in metaphase from bone marrow (BM) sample. (Ideally, 25 metaphases but at least 20 metaphases from a BM sample were evaluated). Complete Cytogenetic Response (CCyR)=0% Ph+ cells in metaphase in BM. A cCCyR=those in which all measurements up to at least 28 days after the initial response show an equivalent or better CCyR.


Secondary Outcome Measures:
  • Percentage of Participants Remaining in Confirmed Complete Cytogenetic Response (cCCyR) [ Time Frame: Years 2, 3, 4 and 5 ]

    Cytogenetic response (CyR) is based on the prevalence of Philadelphia positive (Ph+) cells in metaphase from bone marrow (BM) sample. (Ideally, 25 metaphases but at least 20 metaphases from a BM sample were evaluated). Complete Cytogenetic Response (CCyR)=0% Ph+ cells in metaphase in BM. A cCCyR=those in which all measurements up to at least 28 days after the initial response show an equivalent or better CCyR.

    Percentage of participants in cCCyR at years 2, 3, 4 and 5 was computed for all randomized participants who achieved cCCyR as measured from the time of first confirmation until the date of progression or death. Participants with cCCyR who neither progress nor die are censored on the date of their last cytogenetic assessment. Participants without cCCyR are considered to have progressed on Day 1.


  • Percentage of Participants With Major Molecular Response (MMR) at Any Time [ Time Frame: Planned total follow-up duration of 5 years ]
    Molecular response was assessed using BCR-ABL transcript levels measured by realtime quantitative polymerase chain reaction. MMR is defined as a ratio BCR-ABL/ABL ≤0.1% on the international scale (ie, at least 3 log reduction from a standardized baseline value).

  • Time to Confirmed Complete Cytogenic Response (cCCyR) Overall [ Time Frame: Day 1 to 5 years ]

    The time to cCCyR for all randomized participants is defined as the time from the randomization date until criteria are first met for complete cytogenic response (provided it is confirmed later). The time to cCCyR analysis censors nonresponders who do not progress at their last cytogenetic assessments and nonresponders who progress at the maximum time of all randomized participants.


  • Time to Major Molecular Response (MMR) Overall [ Time Frame: Day 1 to 5 years ]
    The time to MMR for all randomized participants is defined as the time from randomization date until measurement criteria are first met for MMR. The time to MMR analysis censors nonresponders who do not progress at their last molecular assessments and nonresponders who progress at the maximum time of all randomized participants.

  • Percentage of Participants With Progression-free Survival (PFS) [ Time Frame: Participants were followed-up for at least 5 years ]
    PFS was defined as the time from randomization until progression (any progression/death within 30 days of last dosing date, or between 30-60 days of last dosing prior to start of secondary therapy). Those who did not progress/die or who progressed/died after 60 days of last dose were censored at last on-study hematologic/cytogenetic assessment; those with progression/death 30-60 days of last dosing date and after start date of secondary therapy censored at last on-study hematologic/cytogenetic assessment prior to start of secondary therapy; those who had not received study treatment censored on date randomized.

  • Percentage of Participants With Overall Survival (OS) [ Time Frame: Participants were followed-up for at least 5 years ]
    OS was defined as the time from randomization to the date of death. If the participant had not died, survival was censored on last date the participant was known to be alive.


Other Outcome Measures:
  • Number of Participants With Adverse Events (AEs), Drug-related AEs, Drug-related Grade 3/4 AEs, Drug-related Fluid Retention AEs (FRAEs), Drug-related Serious Adverse Events (SAEs), Drug-related AEs Leading to Discontinuation, and All Deaths [ Time Frame: From date of last person, first visit to date of last person, last visit (approximately 5 years) ]
    Grade 3=Severe, Grade 4=Life-threatening or disabling. AE=any new untoward medical occurrence or worsening of a pre-existing medical condition in a subject administered an investigational (medicinal) product and that does not necessarily have a causal relationship with this treatment. SAE=any untoward medical occurrence that at any dose results in death, is life-threatening, requires inpatient hospitalization or causes prolongation of existing hospitalization, results in persistent or significant disability/incapacity, is a congenital anomaly/birth defect, or is an important medical event.

  • Number of Participants With Grade 3/4 Abnormalities in On-study Laboratory Test Results [ Time Frame: From date of last person, first visit to date of last person, last visit (approximately 5 years) ]
    ULN=upper limit of normal. Grade 3=Severe AE; Grade 4=Life-threatening or disabling AE. Absolute neutrophil count: Grade 3 <1000-500/mm^3; Grade 4 <500/mm^3. Hemoglobin: Grade 3 <8.0-6.5 g/dL; Grade 4 <6.5 g/dL. Platelets: Grade 3 <50,000-25,000/mm^3; Grade 4 <25,000/mm^3. ALT/AST: Grade 3 >5.0-20*ULN; Grade 4 >20*ULN. Total bilirubin: Grade 3 >3-10*ULN; Grade 4 >10*ULN. Sample normal ranges (may vary by institution): ALT, Female: 7-30 U/L, Male: 10-55 U/L; AST, Female: 9-25 U/L, Male10-40 U/L; Total bilirubin: 0.0-1.0 mg/dL


Enrollment: 547
Study Start Date: September 2007
Study Completion Date: December 2015
Primary Completion Date: December 2009 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Dasatinib Drug: Dasatinib
Tablets, oral, dasatinib 50-140 mg once daily (QD)
Other Names:
  • Sprycel®
  • BMS-354825
Active Comparator: Imatinib Drug: Imatinib
Tablets, oral, imatinib 200-800 mg, QD

  Eligibility

Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Key Inclusion Criteria:

  • Male or female, aged 18 years and older
  • Chronic phase, Philadelphia Chromosome-positive chronic myeloid leukemia (CML)
  • Eastern Cooperative Oncology Group Performance Status score of 0-2

Key Exclusion Criteria:

  • Pleural Effusion
  • Uncontrolled cardiovascular disease
  • Significant bleeding disorder unrelated to CML
  • Prior treatment with interferon/imatinib/dasatinib/anti-CML systemic treatments except anagrelide/hydroxyurea
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT00481247

  Show 109 Study Locations
Sponsors and Collaborators
Bristol-Myers Squibb
Investigators
Study Director: Bristol-Myers Squibb Bristol-Myers Squibb
  More Information

Additional Information:
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):

Responsible Party: Bristol-Myers Squibb
ClinicalTrials.gov Identifier: NCT00481247     History of Changes
Other Study ID Numbers: CA180-056  2006-005712-27 
Study First Received: May 30, 2007
Results First Received: November 23, 2010
Last Updated: August 8, 2016

Keywords provided by Bristol-Myers Squibb:
Chronic Phase Philadelphia Chromosome Positive Chronic Myeloid Leukemia

Additional relevant MeSH terms:
Leukemia, Myeloid
Leukemia
Leukemia, Myelogenous, Chronic, BCR-ABL Positive
Philadelphia Chromosome
Leukemia, Myeloid, Chronic-Phase
Neoplasms by Histologic Type
Neoplasms
Myeloproliferative Disorders
Bone Marrow Diseases
Hematologic Diseases
Translocation, Genetic
Chromosome Aberrations
Pathologic Processes
Imatinib Mesylate
Dasatinib
Antineoplastic Agents
Protein Kinase Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action

ClinicalTrials.gov processed this record on January 23, 2017