Colorado Adult Joint Assessment Scale (CAJAS) Validation



Status:Completed
Conditions:Anemia, Hematology
Therapuetic Areas:Hematology
Healthy:No
Age Range:18 - 50
Updated:4/21/2016
Start Date:February 2015
End Date:October 2015

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Content and Psychometric Validation Study of the Colorado Adult Joint Assessment Scale (CAJAS) in Subjects With Moderate to Severe Hemophilia A Treated on Prophylaxis

To obtain evidence of content validity and reliability of the Colorado Adult Joint
Assessment Scale (CAJAS), a clinician-reported outcome (ClinRO) measure, as adapted for use
in a population of adults with moderate to severe hemophilia A treated with coagulation
factor VIII (FVIII) therapy as secondary prophylaxis or episodic treatment.


Inclusion Criteria:

- Male, 18 to 50 years of age

- Diagnosis of moderate to severe hemophilia A (documented <1-2% Factor VIII
Concentration [FVIII:C])

- Willing to maintain current FVIII treatment regimen, whether prophylactic or
on-demand, for the duration of the study

Exclusion Criteria:

- Routine need for wheelchair or routine need for two canes or crutches

- Diagnosis of another bleeding disorder such as von Willebrand Disease

- Known event that would interfere with the scheduled CAJAS evaluations (e.g., elective
joint surgery, vacation)
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