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This study will compare two different dosing methods of azathioprine (IMURAN) in participants with Crohn's disease who are currently taking steroids (e.g. prednisone or budesonide)or who have just started steroids. The study can be up to 54 weeks long. All participants enrolled will receive active drug. Participants will take doses either based upon weight or based on the patient's ability to breakdown the drug (monitored by 6-thioguanine nucleotides (6-TGN) metabolite levels in the blood). All patients enrolled in the study will receive active study drug.
This multi-center, double blind (patients and doctors do not know treatment group assignment), randomized (patients are put in 1 of 2 groups) clinical trial which will compare two 52-week-long azathioprine(AZA) dosing methods.
The patients enrolled will all be taking steroids (prednisone or budesonide)or have just been prescribed a steroid. The patients will be either in remission on steroids, but cannot taper off without a flare, patients who are on steroids and are still having Crohn's symptoms, or patients who need to start taking steroids.
After a two week screening period, patients fitting enrollment criteria will be begin taking study drug. Patients will begin to taper steroids per a set schedule, and taper off steroids completely by week 13. Patients who need to go back on steroids because of returned symptoms are allowed to, per a set schedule in the protocol. Patients will have monthly visits that include physical exams, blood tests and a quality of life questionnaire. Patients will be required to keep a diary of abdominal pain, liquid or soft stools and general well being.
After 6 months, only patients in remission (patients not on steroids, and not having active symptoms) will be allowed to continue for last 6 months of the study. Study visits during the last 6 months will be every 2 months, and include physical exams and blood tests, and a quality of life questionnaire.
Patients in the study may receive dose changes, and this will require additional blood tests for safety.
Allocation: Randomized, Control: Dose Comparison, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double-Blind, Primary Purpose: Treatment
Cedars-Sinai Medical Center
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Published on BioPortfolio: 2014-08-26T22:53:13-0400
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