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About
Response to treatment in Type 2 Diabetes is highly variable; the same medicine may have little effect in one person but a large effect in another. Understanding mechanisms of altered response to treatment could aid treatment selection and assist the design of new medications with lower nonresponse rates.
This study will examine the physiological mechanisms and potential clinical/biomarker predictors of altered response to sulphonylurea and DPPIV inhibitor glucose lowering medication and answer fundamental methodological questions for the future study of variation in treatment response in Type 2 Diabetes. Participants will withdraw sulphonylurea therapy for up to 2 weeks with assessment of baseline characteristics and glycaemic response. Participants will then enter an optional extension where they receive sulphonylurea or DPPIV inhibitor therapy in crossover fashion.
Full description
Participants will withdraw sulphonylurea therapy for up to 2 weeks (part 1) followed by an optional cross-over extension (part 2)where they are randomized to 4 weeks of treatment with Gliclazide (DPP-IV thera) or Sitagliptin (sulphonylurea), followed by 4 weeks of the second treatment with a 2 week wash-out period in between.
Part 1 will allow assessment of response rates to long standing sulphonylurea treatment in clinical practice and potential predictors of this, as well as whether a very brief period (1 week) of treatment withdrawal is a valid assessment of an individual's response to therapy. Part 2 will allow comparison of the approach in part one with response to the same treatment in a trial setting and will allow assessment on whether response is consistent across therapies with different mechanisms of action.
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143 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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