At a glance
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Counteracting Deleterious Metabolic Glucocorticoid Effects With Metformin - A Double-blind, Randomized, Placebo-controlled, Cross-over Study
In Brief
A Phase 4 clinical trial evaluating Metformin 500 mg Oral Tablets + Prednisone 20mg Tablets and Placebo 500 mg Tablets + Prednisone 20mg Tablets for Glucocorticoid Effect. Completed, enrolled 19 participants across 1 site.
Detailed Summary
Supraphysiological doses of glucocorticoids (GCs) are widely prescribed as immunosuppressants and metabolic side effects such as obesity and diabetes are extremely common. Efforts to investigate and prevent these side effects are lacking. The antidiabetic drug metformin was shown in previous studies to prevent deterioration of glucose homeostasis during GC therapy in patients. However, mechanisms of metformin counteracting GC-induced side effects remain poorly understood. In a randomized, placebo-controlled, cross-over study, 18 healthy volunteers will receive a 7-day course of prednisone with metformin or placebo. Established methods will be used to assess systemic changes in energy homeostasis and novel techniques such as metabolomics will identify underlying pathways. This will advance the understanding of energy homeostasis during GC excess, may prevent thousands of patients from GC-induced side effects and also offers a model for targeting disrupted endogenous GCs secretion.
Study Details
Timeline
Interventions
During one phase of the study: Metformin 500mg Day 1 1-0-0 Day 2 1-0-0 Day 3 1-0-1 Day 4 1-0-1 Day 5 2-0-1 Day 6 2-0-1 Day 7 4-0-0 In combination with prednisone 20mg: day 1 to day 7 1.5-0-0.
During another phase of the study: identical looking placebo pills starting day 1 500mg 1-0-0, day 2 500mg 1-0-0, day 3 500mg 1-0-1, day 4 500mg 1-0-1, day 5 500mg 2-0-1. day 6 2-0-1, day 7 4-0-0. In combination with prednisone 20mg: day 1 to day 7 1.5-0-0.