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Keyto app and device versus WW app on weight loss and metabolic risk in adults with overweight or obesity: A randomized trial.


ABSTRACT:

Objective

The aim of this study was to determine whether a Mediterranean-style, ketogenic diet mobile health application (app) with breath acetone biofeedback is superior to a calorie-restricted, low-fat diet app in promoting weight loss.

Methods

Participants (n = 155) with overweight/obesity (mean [SD]: age 41 [11] years, BMI = 34 [5] kg/m2 , 71% female) were randomized to one of the interventions delivered entirely via app. Participants received a wireless scale and were instructed to take daily weight measurements. A third-party laboratory collected blood samples at baseline and 12 weeks.

Results

Weight loss at 12 weeks was greater in the ketogenic (-5.6 kg; 95% CI: -6.7 kg to -4.5 kg) compared with the low-fat group (-2.5 kg; 95% CI: -3.6 kg to -1.4 kg) (between-group difference: -3.1 kg; 95% CI: -4.6 kg to -1.5 kg; p < 0.001). Weight loss at 24 weeks indicated durability of the effect (between-group difference: -5.5 kg; 95% CI: -8.3 kg to -2.8 kg; p < 0.001). Secondary/exploratory outcomes of hemoglobin A1c and liver enzymes were improved to a greater extent in the ketogenic diet group (p < 0.01).

Conclusions

Among adults with overweight/obesity, a ketogenic diet app with breath acetone biofeedback was superior to a calorie-restricted diet app at promoting weight loss in a real-world setting.

SUBMITTER: Falkenhain K 

PROVIDER: S-EPMC8518592 | biostudies-literature | 2021 Oct

REPOSITORIES: biostudies-literature

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Publications

Keyto app and device versus WW app on weight loss and metabolic risk in adults with overweight or obesity: A randomized trial.

Falkenhain Kaja K   Locke Sean R SR   Lowe Dylan A DA   Reitsma Nicholas J NJ   Lee Terry T   Singer Joel J   Weiss Ethan J EJ   Little Jonathan P JP  

Obesity (Silver Spring, Md.) 20210914 10


<h4>Objective</h4>The aim of this study was to determine whether a Mediterranean-style, ketogenic diet mobile health application (app) with breath acetone biofeedback is superior to a calorie-restricted, low-fat diet app in promoting weight loss.<h4>Methods</h4>Participants (n = 155) with overweight/obesity (mean [SD]: age 41 [11] years, BMI = 34 [5] kg/m<sup>2</sup> , 71% female) were randomized to one of the interventions delivered entirely via app. Participants received a wireless scale and w  ...[more]

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