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Optimization of Diet Before Surgery (OptiSurg) — OptiSurg  

Surgery Clinical Trial

Official title:
Optimization of Diet Before Surgery (OptiSurg): Effects of Time Restricted Feeding (TRF) Before Vascular Surgery - An Open-label Randomized Controlled Trial of TRF vs Regular Dietary Advices

Clinical Trial Summary

The overarching goal of this project is to assess whether a controlled short-term Time restricted feeding (TRF) intervention leads to metabolic benefits, improves recovery after vascular surgery and that TRF is safe. Participants suffering from intermittent claudication (Fontaine stage II peripheral artery disease, PAD) will be randomly assigned to a 2-week TRF or active control dietary advices before open surgical revascularization. Prior to the surgery, the investigators will assess the eating patterns of participants with an innovative smartphone application ('app') which is less intrusive and more reliable than food diaries/questionnaires to assess eating behavior and patterns. In the second part of the study, the investigators will investigate whether a short term TRF intervention improves surgical recovery, in the short-term (1 month, primary endpoint) and long-term (optional, up to 1 year), as part of the routine clinical follow-up. This proposal builds on established expertise in the biology of dietary intervention, surgery, and study of eating patterns in human.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04627688
Study type Interventional
Source Centre Hospitalier Universitaire Vaudois
Contact Alban Longchamp, MD, PhD
Phone +41 79 556 55 10
Email alban.longchamp@chuv.ch
Status Recruiting
Phase N/A
Start date January 25, 2021
Completion date July 1, 2023
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