Research

Adherence

Online guided self-help interventions using Acceptance and Commitment Therapy (ACT) for weight maintenance following prior weight loss programs offer cost-effective value for the NHS, with optimal trial designs showing significant expected net benefits.

If you have completed a weight loss program, look for online guided self-help programs that use Acceptance and Commitment Therapy (ACT). These digital tools are designed to help you maintain your weight loss long-term and are increasingly recognized as cost-effective for healthcare systems.

ModerateSupportsMEDIUM confidence
Investment in a large RCT to evaluate the SWiM intervention for patients completing a range of weight loss interventions offers the greatest value to the NHS.
Penny Breeze et al. · International Journal of Obesity · 2025

Why this rating

Based on a health economic model and expert elicitation, not a full-scale RCT result.

Source

Assessing the value for money, from a policy maker perspective, of 24 randomised controlled trial designs for an online weight maintenance guided self-help intervention: an expected value of sample information analysis

Penny Breeze et al. · International Journal of Obesity · 2025

DOI 10.1038/s41366-025-01804-7

health_economic_model · n=50000
Read the paper
DOI resolved against Crossref · corpus check 2026-06-10

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