Letter to the Editor: Unpacking the active ingredient of home-based metabolic dysfunction-associated steatotic liver disease care: Separating incentive from surveillance effects
Year: 2026
Type: letter
Abstract: The randomized controlled trial by Mei et al, published in the World Journal of Gastroenterology, investigated a home-based health management program based on timeliness-incentive theory (TIT) for metabolic dysfunction-associated steatotic liver disease.The trial reported improvements in hepatic steatosis, metabolic profiles, and health behaviors, with a high retention rate.The program used four incentive levers: emotional, need-based, role model, and benefit-motivation.Within the benefitmotivation lever, participants who met monthly exercise targets received complementary assessments at no cost.Two of these items constituted diagnostic monitoring, namely hepatic ultrasonography and liver-fibrosis evaluation; the rest are health-feedback components, namely body composition analysis, physical-fitness testing, and dietary-plan revision.Both arms underwent hepatic ultrasonography at baseline and at the 7-month endpoint as the primary outcome.However, additional complementary surveillance, was offered only to the intervention arm and only to compliant participants.Because this surveillance constituted a material incentive and was not offered to controls, incentive and surveillance overlap rather than being mutually exclusive.The design therefore does not allow the observed benefits to be attributed separately to TIT, intensified monitoring or their combination.The report does not specify how often these assessments were delivered, when they were offered relative to compliance milestones, or how many participants received them.Attentionmatched controls or multiphase optimization strategy factorial designs, combined with prospective recording of contact frequency and awareness of fibrosis status, would help isolate the active components.
Source: World Journal of Hepatology
DOI: 10.4254/wjh.126177
Authors: Ze-Cheng Yang, Jing-Tan Wang, Zhi-Gang Ren
Institution: First Affiliated Hospital of Zhengzhou University
Language: English
Subfield: Hepatology
Field: Medicine
Domain: Health Sciences
Open Access status: diamond
OpenAlex ID: W7221795387