About this trial
The TWIST 2.0 Study is a 12-month, 2-arm RCT in adults with recent weight loss. We will examine the efficacy of TRE on weight (Aim 1a) and fat mass (Aim 1b) regain, and describe changes in subjective appetite following a mixed-meal tolerance test (Exploratory).
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
≥5% non-surgical weight loss in the last 3 mos;
current BMI 20.5-45 mg/kg2;
between the ages 25 to 65 years old;
own a smartphone or willing to use a smartphone if provided for self-monitoring. For in-person screening, eligible participants will provide signed informed consent and have their temporal eating patterns measured.
Disqualifiers
pregnant, trying to get pregnant or breastfeeding;
previous or planned bariatric surgery;
previous or current history of eating disorder;
ongoing participation in another weight-management research study;
Trial design
Parallel
Treatments tested in this trial
TRE
BehavioralParticipants randomized to the TRE arm will be instructed to consume all food and beverages in a self-selected 10-hr eating window.
Weight-Loss Maintenance Advice
BehavioralThe CON arm participants will receive written baseline advice following randomization assignment that includes determinants associated with long-term weight-loss maintenance success (e.g., physical activity, and strategies to limit calorie intake).
Treatment groups
Trial outcomes
Primary outcomes
Absolute Body Weight Change
Percent Body Weight Change
Percentage of Participants with Successful Weight Loss-Maintenance (WLM)
WLM defined as regaining ≤25% of initial weight loss.
Absolute Fat Mass Change Measured with DEXA
Assessed using dual-energy x-ray absorptiometry (DEXA) scan.
Other outcomes
Incremental Area Under the Curve (iAUC) for appetite using a Visual Analog Scale (VAS)
The VAS allows participants to rate their appetite on a Likert scale from 1-10.
Sponsors and contacts
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NYU Langone Health
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
Collaborator