A high-protein, low glycemic index diet suppresses hunger but not weight regain after weight loss: Results from a large, 3-years randomized trial (PREVIEW)

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Dokumenter

  • Mikael Fogelholm
  • Thomas Meinert Larsen
  • Sally D Poppitt
  • Marta P Silvestre
  • Pia Siig Vestentoft
  • Elli Jalo
  • Santiago Navas-Carretero
  • Maija Huttunen-Lenz
  • Moira A Taylor
  • Gareth Stratton
  • Nils Swindell
  • Niina E Kaartinen
  • Tony Lam
  • Teodora Handjieva-Darlenska
  • Svetoslav Handjiev
  • Wolfgang Schlicht
  • J Alfredo Martinez
  • Radhika V Seimon
  • Amanda Sainsbury
  • Ian A Macdonald
  • Margriet S Westerterp-Plantenga
  • Jennie Brand-Miller
Background: Previous studies have shown an increase in hunger during weight-loss maintenance (WLM) after diet-induced weight loss. Whether a combination of a higher protein, lower glycemic index (GI) diet and physical activity (PA) can counteract this change remains unclear. Aim: To compare the long-term effects of two diets [high protein (HP)-low GI vs.
moderate protein (MP)-moderate GI] and two PA programs [high intensity (HI) vs.
moderate intensity (MI)] on subjective appetite sensations during WLM after ≥8% weight loss (WL).
Methods: Data derived from the 3-years PREVIEW randomized intervention study. An 8-weeks WL phase using a low-energy diet was followed by a 148-weeks randomized WLM phase. For the WLM phase, participants were assigned to one of the four groups: HP-MI, HP-HI, MP-MI, and MP-HI. Available data from 2,223 participants with overweight or obesity (68% women; BMI ≥ 25 kg/m2). Appetite sensations including satiety, hunger, desire to eat, and desire to eat something sweet during the two phases (at 0, 8 weeks and 26, 52, 104, and 156 weeks) were assessed based on the recall of feelings during the previous week using visual analogue scales. Differences in changes in appetite sensations from baseline between the groups were determined using linear mixed models
with repeated measures.
Results: There was no significant diet×PA interaction. From 52 weeks onwards,
decreases in hunger were significantly greater in HP-low GI than MP-moderate GI (Ptime×diet = 0.018, Pdiet group = 0.021). Although there was no difference in weight regain between the diet groups (Ptime×diet = 0.630), hunger and satiety ratings correlated with changes in body weight at most timepoints. There were no significant differences in appetite sensations between the two PA groups. Decreases in hunger ratings were greater at 52 and 104 weeks in HP-HI vs. MP-HI, and greater at 104 and 156 weeks in HP-HI vs. MP-MI.
Conclusions: This is the first long-term, large-scale randomized intervention to report that a HP-low GI diet was superior in preventing an increase in hunger, but not weight regain, during 3-years WLM compared with a MP-moderate GI diet. Similarly, HP-HI outperformed MP-HI in suppressing hunger. The role of exercise intensity requires further investigation.
Clinical Trial Registration: www.ClinicalTrials.gov, identifier: NCT01777893.
OriginalsprogEngelsk
Artikelnummer685648
TidsskriftFrontiers in Nutrition
Vol/bind8
Antal sider14
ISSN2296-861X
DOI
StatusUdgivet - 2021

Bibliografisk note

CURIS 2021 NEXS 188

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