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Weight loss maintenance in overweight subjects on ad libitum diets with high or low protein content and glycemic index: the DIOGENES trial 12-month results

EE. Aller, TM. Larsen, H. Claus, AK. Lindroos, A. Kafatos, A. Pfeiffer, JA. Martinez, T. Handjieva-Darlenska, M. Kunesova, S. Stender, WH. Saris, A. Astrup, MA. van Baak,

. 2014 ; 38 (12) : 1511-7. [pub] 20140328

Jazyk angličtina Země Anglie, Velká Británie

Typ dokumentu časopisecké články, multicentrická studie, randomizované kontrolované studie, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/bmc15032051
E-zdroje Online Plný text

NLK Free Medical Journals od 2005 do Před 5 lety
ProQuest Central od 1997-02-01 do 2017-12-31
Open Access Digital Library od 1997-01-01
Medline Complete (EBSCOhost) od 2005-01-01 do 2015-11-30
Health & Medicine (ProQuest) od 1997-02-01 do 2017-12-31
Psychology Database (ProQuest) od 1997-02-01 do 2017-12-31
Public Health Database (ProQuest) od 1997-02-01 do 2017-12-31

BACKGROUND: A high dietary protein (P) content and low glycemic index (LGI) have been suggested to be beneficial for weight management, but long-term studies are scarce. OBJECTIVE: The DIOGENES randomized clinical trial investigated the effect of P and GI on weight loss maintenance in overweight or obese adults in eight centers across Europe. This study reports the 1-year results in two of the centers that extended the intervention to 1 year. METHOD: After an 8-week low-calorie diet (LCD), 256 adults (body mass index >27 kg m(-)(2)) were randomized to five ad libitum diets for 12 months: high P/LGI (HP/LGI), HP/high GI (HP/HGI), low P/LGI (LP/LGI), LP/HGI and a control diet. During the first 6 months, foods were provided for free through a shop system and during the whole 12-month period, subjects received guidance by a dietician. Primary outcome variable was the change in body weight over the 12-month intervention period. RESULTS: During the LCD period, subjects lost 11.2 (10.8, 12.0) kg (mean (95% confidence interval (CI))). Average weight regain over the 12-month intervention period was 3.9 (95% CI 3.0-4.8) kg. Subjects on the HP diets regained less weight than subjects on the LP diets. The difference in weight regain after 1 year was 2.0 (0.4, 3.6) kg (P=0.017) (completers analysis, N=139) or 2.8 (1.4, 4.1) kg (P<0.001) (intention-to-treat analysis, N=256). No consistent effect of GI on weight regain was found. There were no clinically relevant differences in changes in cardiometabolic risk factors among diet groups. CONCLUSION: A higher protein content of an ad libitum diet improves weight loss maintenance in overweight and obese adults over 12 months.

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