This study proposes to evaluate the number of chronic, Grade 1 or 2, non-hematologic Adverse Events (AEs) that reduce in grade or resolve at 3 months after switching therapy from imatinib to dasatinib.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
39
tablets, oral, 100 mg, Once daily, Up to12 months on study,
Pacific Cancer Medical Center
Anaheim, California, United States
Cancer Center Of Central Connecticut
Southington, Connecticut, United States
The Number of Imatinib-related Adverse Events (AEs) That Were Resolved, Improved, Remained Unchanged, or Worsened After 3 Months of Dasatinib Treatment
Dasatinib treatment was administered and its impact on the imatinib-related Grade 1/2 adverse events was assessed. The severity of an adverse event is ranked based on grades that range from 1 to 4. Grade 1=Mild, Grade 2=Moderate, Grade 3=Severe, Grade 4= Potentially Life-threatening or disabling. Resolved, AE no longer present or resolution of imatinib-related chronic Grade 1 or Grade 2 non-hematologic AEs. Improved, AE grade reduced from Grade 2 to Grade 1. Unchanged, AE did not improve or worsen or no change in grade. Worsened, grade Increased.
Time frame: 3 months after switch to dasatinib
Mean Change From Baseline in Patient Reported CML Symptom Severity and Interference by MD Anderson Symptom Inventory - Chronic Myeloid Leukemia (MDASI-CML) Score After Switching to Dasatinib
The MD Anderson Symptom Inventory Chronic Myeloid Leukemia (MDASI-CML) is a validated questionnaire completed by study participants to assess symptom severity and symptom interference on daily function. These categories are divided into 5 domain summary scores: Core Symptom Severity Score, Interference Score, Symptom Severity Score, CML-Specific Symptom Severity Score, and 5 Most Severe Symptom Score. Scores were evaluated at baseline and after switching to Dasatinib on a range from 1 to 10; 1=not present/did not interfere, 10=as bad as you can imagine/interfered completely.
Time frame: Baseline to 3, 6, 12 months
Mean Change From Baseline in Patient Reported Quality of Life Measurements by The European Organization for Research and Treatment of Cancer - Quality of Life (QoL) Questionnaire (EORTC QLQ) Score After Switching to Dasatinib
The EORTC QLQ-C30 questionnaire is completed by study participants to assess quality of life through nine multi-item scales: five functional scales (physical, role, cognitive, emotional and social functioning); three symptom scales (fatigue, pain and nausea/vomiting); and a global health status/QoL scale. Six single-item scales are also included (dyspnea, insomnia, appetite loss, constipation, diarrhea, and financial difficulties). All of the scales and single-item measures were evaluated at baseline and after switching to Dasatinib as an average raw score that was standardized by transformation, so that final scores were on a range in score from 0 to 100. A high score for a functional scale represents a healthy level of functioning, a high score for the global health status/QoL represents a high QoL, but a high score for a symptom scale and single-item measures represents a high level of problematic symptomatology.
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St. Agnes Healthcare, Inc.
Baltimore, Maryland, United States
Promedica Hematology & Oncology Assoicates
Sylvania, Ohio, United States
The University Of Texas Md Anderson Cancer Center
Houston, Texas, United States
Local Institution
Créteil, France
Local Institution
Lille, France
Local Institution
Pierre-Bénite, France
Local Institution
Pringy, France
Local Institution
Vandœuvre-lès-Nancy, France
...and 12 more locations
Time frame: Baseline to 6, 12 months
Number of Participants With at Least 1 AE, Discontinuations Due to AE, Treatment-related AE, Serious Adverse Event (SAE), Treatment-related SAE, or Death as Outcome
SAE=a medical event that at any dose results in death, persistent or significant disability/incapacity, or drug dependency/abuse; is life-threatening, an important medical event, or a congenital anomaly/birth defect; or requires or prolongs hospitalization. AE=any new unfavorable symptom, sign, or disease or worsening of a preexisting condition that may not have a causal relationship with treatment. Treatment-related=having certain, probable, possible, or missing relationship to study drug, dasatinib.
Time frame: Date of first dose to 30 post last dose of study drug, an average of 3 years
The Percentage of Participants With at Least 1 Imatinib-related Grade 1 or Grade 2 Chronic Adverse Events (AEs) That Improved Without Worsening Within 3 Months of Switching to Dasatinib
Dasatinib treatment was administered and its impact on the Imatinib-related Grade 1/2 adverse events was assessed. The percentage of participants is based on the number that had pre-existing Imatinib-related AEs. Measure assesses the participants with reduction or improvement of at least 1 Imatinib-related Grade 1 or Grade 2 chronic AE, without a worsening of any Imatinib-related, chronic adverse events after Dasatinib treatment. The severity of an adverse event is ranked based on grades that range from 1 to 4. Grade 1=Mild, Grade 2=Moderate, Grade 3=Severe, Grade 4= Potentially Life-threatening or disabling. Improved, AE grade reduced from Grade 2 to Grade 1. Worsened, Grade Increased. Confidence interval from Clopper-Pearson method.
Time frame: 3 months