Kudlek, Laura https://orcid.org/0000-0003-0947-3640
Eustachio Colombo, Patricia
Mueller, Julia https://orcid.org/0000-0002-4939-7112
Sharp, Stephen J. https://orcid.org/0000-0003-2375-1440
Boothby, Clare E.
Griffin, Simon J. https://orcid.org/0000-0002-2157-4797
Butryn, Meghan
Chwyl, Christina
Forman, Evan
Hagerman, Charlotte https://orcid.org/0000-0002-9386-8444
Hawkins, Misty
Juarascio, Adrienne
Knäuper, Bärbel
Kolehmainen, Marjukka https://orcid.org/0000-0002-3770-2538
Levin, Michael E.
Lillis, Jason
Maiz, Edurne
Manasse, Stephanie
Palmeira, Lara
Pietiläinen, Kirsi H. https://orcid.org/0000-0002-8522-1288
Sherwood, Nancy E. https://orcid.org/0000-0002-3365-9018
Ahern, Amy L. https://orcid.org/0000-0001-5069-4758
Article History
Received: 9 October 2024
Revised: 3 March 2025
Accepted: 20 March 2025
First Online: 10 April 2025
Competing interests
: All authors except PEC were also authors or collaborators of at least one original trial identified as eligible for this paper or other publications relating to the same IPD meta-analysis project. JM is a member of the Operations Committee for the Study of Obesity (unpaid role) and has organised educational events funded by Boehringer Ingelheim Ltd and Rhythm Pharmaceuticals. SG has received honoraria from Astra Zeneca for contributing to postgraduate education sessions for primary care teams concerning the management of type 2 diabetes. SG is a trustee of the Novo Nordisk UK Research Foundation. AA is a member of the WW Scientific Advisory Board. Other authors declare no competing interests.
: For the purpose of Open Access, the author has applied a Creative Commons Attribution (CC BY) licence to any Author Accepted Manuscript version arising.
: Ethical approval and informed consent were obtained by original trial investigators as part of their primary data collection. In addition, ethical approval for this IPD meta-analysis of secondary data was obtained from the Cambridge Psychology Research Ethics Committee (Application No: PRE.2023.121). All sharing of de-identified IPD adhered to the terms of individual data sharing agreements between institutions, which followed relevant national and international guidelines and regulations including the General Data Protection Regulation (GDPR) [].