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Initial Recruitment and Sensitization: In this free-living randomized control parallel arm study of 24 weeks of almond intervention, we shall recruit apparently healthy middle aged (age range 40-60 years)prediabetic Asian Indians having fasting blood glucose ≥100mg/dl and <126 mg/dl and /or 2-h plasma glucose ≥140mg/dl and <200mg/dl (after ingestion of 75-gram anhydrous oral glucose).
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Objectives and Measurements:
a. Primary Objective: To evaluate the effect of almond supplementation on cognitive functions Co-primary Objective: To evaluate changes in neuroimaging (blood flow, and the expression of functional brain networks during cognitive demands) using functional MRI.
Flow of Study Procedures
This will be a randomized controlled parallel arm study on free living Asian Indians, selected based on inclusion criteria. Sample size: 60 (n, 30 in each arm) After recruitment subjects would enter the run-in period for 2 weeks when they would be given standard diet and lifestyle modification counseling formulated according to guidelines for Asian Indians. Subjects would be screened again just for inclusion/exclusion criteria at the end of the run-in period and would be randomized either to the experimental group or control group
Composition of diets:
i. Intervention group: Individualized diets incorporating almonds, 20% energy. Macronutrient composition: Carbohydrates,49%en., fats,32%en., and proteins, 19%en.
ii. Control group: Isocaloric diet. Macronutrient composition: Carbohydrates,50%en., fats, 35%en., proteins,15%en.
The diet (as above) and lifestyle modification will be continued in both groups for 6 months with rigorous compliance Compliance Checks: The diet (as above) and lifestyle modification will be continued in both groups for 6 months with rigorous compliance check .
Compliance for the intervention in all the subjects (control and intervention group) will be checked by taking following measures:
Biweekly telephonic calls. During these telephonic calls compliance to diet, exercise, almond intake, adverse event or any problem with the intervention will be assessed. Calls will be recorded in a call log and subject compliance (consumption of almonds) will be recorded in the proforma. Text messages reminding intake of almonds (weekly) and face-to-face interactions (once every month, at least 20 min each session) discussing problems if any.
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60 participants in 2 patient groups
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Central trial contact
Anoop Misra, MD; Seema Gulati, Ph.d
Data sourced from clinicaltrials.gov
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