{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,12]],"date-time":"2026-09-12T10:09:17Z","timestamp":1789207757855,"version":"build-2803163510"},"update-to":[{"DOI":"10.12688\/hrbopenres.14287.1","type":"new_version","label":"New version","source":"publisher","updated":{"date-parts":[[2026,5,7]],"date-time":"2026-05-07T00:00:00Z","timestamp":1778112000000}}],"reference-count":69,"publisher":"F1000 Research Ltd","license":[{"start":{"date-parts":[[2026,5,7]],"date-time":"2026-05-07T00:00:00Z","timestamp":1778112000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100010414","name":"Health Research Board","doi-asserted-by":"publisher","award":["APRO-2023-23"],"award-info":[{"award-number":["APRO-2023-23"]}],"id":[{"id":"10.13039\/100010414","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["hrbopenresearch.org"],"crossmark-restriction":false},"short-container-title":["HRB Open Res"],"abstract":"<ns3:p>Background Public and Patient Involvement (PPI) in mental health research is increasingly recognised as a moral and ethical imperative, necessary to increase the relevance and effectiveness of translation of research findings. Despite policy mandates and growing evidence of its benefits, PPI implementation in mental health research remains inconsistent. Little attention has been given to the state of scientific knowledge on PPI capacity strengthening in mental health research that can support more meaningful implementation. The aims of this scoping review are to: describe the content, implementation process, and theoretical underpinnings of PPI capacity-strengthening initiatives in mental health research; identify quantitative outcome measures and outcomes used to evaluate the initiatives\u2019 impact on PPI contributors, research processes, and policy; and map barriers and enablers to the initiatives\u2019 implementation. Methods This scoping review will follow JBI and PRISMA-ScR guidelines. Sources will include peer-reviewed articles, grey literature, and organisational materials describing training or skill-building initiatives for adult PPI contributors in mental health research. Searches will be conducted in MEDLINE, Embase, PsycINFO, and CINAHL, supplemented by hand-searching, targeted internet searches, and stakeholder consultation. Data extraction will capture descriptive details, initiative content, outcomes, and contextual factors, with barriers and enablers categorised according to the Consolidated Framework for Implementation Research (CFIR) domains. Conclusion This review will provide the first comprehensive synthesis of capacity-strengthening initiatives for PPI contributors in mental health research. Findings will inform the development of a co-designed blueprint for capacity-strengthening for PPI contributors, and progress broader efforts to embed lived experience expertise and general public perspectives equitably within mental health research systems.<\/ns3:p>","DOI":"10.12688\/hrbopenres.14287.2","type":"journal-article","created":{"date-parts":[[2026,9,12]],"date-time":"2026-09-12T09:49:07Z","timestamp":1789206547000},"page":"123","update-policy":"https:\/\/doi.org\/10.12688\/hrbopenres.crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Content, implementation, and evaluation of capacity-strengthening initiatives for public and patient involvement in mental health research: a scoping review protocol informed by implementation science"],"prefix":"10.12688","volume":"8","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9315-1865","authenticated-orcid":false,"given":"Shaakya","family":"Anand-Vembar","sequence":"first","affiliation":[{"name":"Dublin 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Please refer to the tracked changes in the revised manuscript document.&nbsp; We hope that the additional revisions sufficiently address your comments.&nbsp;&nbsp; &nbsp;&nbsp; Thank you again for your time and attention,&nbsp;&nbsp; Dr Shaakya Anand-Vembar, on behalf of all authors&nbsp; &nbsp; \n<b>Review Comment 1:<\/b>\n<i> <\/i>\n<b>Theoretical grounding of PPI and involvement<\/b>&nbsp; &nbsp; While the authors have clarified that theoretical frameworks underpinning initiatives will be extracted during the review process, the protocol itself would still benefit from a slightly stronger engagement with the broader theoretical literature on PPI and participation. The original concern was not necessarily that a single theory should structure the review, but that the protocol could more clearly acknowledge its relationship to wider traditions of participation, co-production, and involvement scholarship (for example, participation continuums, democratic participation traditions, or models of power-sharing in involvement). A brief contextual paragraph would help strengthen the conceptual framing of the review in existing theory.&nbsp;  \n<b>Author response: <\/b>Thank you for this suggestion. On pages 13-14, we have now added more contextual information on where our review sits in the contexts of these frameworks and developments.&nbsp;  &nbsp; \n<b>Reviewer Comment 2: Justification for selection of CFIR<\/b>&nbsp; &nbsp; The additional clarification regarding CFIR is helpful. However, the rationale for selecting CFIR over other implementation science frameworks could still be articulated explicitly, if only briefly. This does not require an extensive comparison with all alternative frameworks, but a concise justification explaining why CFIR is particularly appropriate for analysing implementation barriers and enablers in heterogeneous PPI capacity-strengthening initiatives would improve methodological transparency.&nbsp;  \n<b>Author Response: <\/b>Thank you for this observation. On page 13, we have added more information to explain our choice of CFIR for the study, including its utility in managing determinants from a range of different contexts and approaches and its dominance as a determinants framework.&nbsp;  \n<b>Reviewer Comment 3: Inclusion of user-led and survivor research traditions<\/b>&nbsp; &nbsp; The clarification regarding search strategy sensitivity is useful; however, it remains unclear whether survivor-led, advocacy-led, or user-led research traditions are conceptually included within the scope of the review. Given the significance and influence of these traditions within mental health research and PPI scholarship, an explicit statement regarding their inclusion\/exclusion would improve clarity and reproducibility. It is possibly an area that the PPI contributors to the study will want clarity on too and whether this evidence is to be included.&nbsp;  \n<b>Author Response: <\/b>Thank you for this observation.\n<b> <\/b>On page 17,\n<b> <\/b>we have added a statement clarifying that sources falling within survivor-led, advocacy-led, and user-led research traditions will be included in the review.\n<b>&nbsp;<\/b>&nbsp;","URL":"https:\/\/hrbopenresearch.org\/articles\/8-123\/v2#referee-comment-3955","order":1,"name":"referee-comment-3955","label":"Referee Comment","group":{"name":"article-reports","label":"Article Reports"}},{"value":"10.21956\/hrbopenres.15883.r55200, Miriam Stanyon, Derbyshire Healthcare NHS Foundation Trust, Derby, 12 May 2026, version 2, indexed","URL":"https:\/\/hrbopenresearch.org\/articles\/8-123\/v2#referee-response-55200","order":2,"name":"referee-response-55200","label":"Referee Report","group":{"name":"article-reports","label":"Article Reports"}},{"value":"10.21956\/hrbopenres.15719.r52834, Ramesh Kumar Sangwan, Indian Council of Medical Research National Institute for Implementation Research on Non-Communicable Diseases, Jodhpur, 20 Jan 2026, version 1, indexed","URL":"https:\/\/hrbopenresearch.org\/articles\/8-123\/v1#referee-response-52834","order":3,"name":"referee-response-52834","label":"Referee Report","group":{"name":"article-reports","label":"Article Reports"}},{"value":"<b>Shaakya Anand-Vembar<\/b>; \n<i>Posted: 07 Apr 2026<\/i>; Dear Dr Ramesh Kumar Sangwan,&nbsp;  We thank you for taking the time to peer review our scoping review protocol and greatly appreciate your expertise and suggestions. Your comments have provided us with important insights that have strengthened our understanding of the protocol's scope and inclusion criteria, allowed us to develop a more detailed grey literature strategy, and helped us improve the conceptualisation of our outcomes.&nbsp;&nbsp;  We have carefully considered the specific points raised in the review, and have addressed them on a point-by-point basis in this document: https:\/\/docs.google.com\/document\/d\/1laCzkT8bjSUagmVchmRTrH1ECNonIZ9x\/edit?usp=sharing&amp;ouid=107131347417362362861&amp;rtpof=true&amp;sd=true  Please refer to both the tracked changes in the revised manuscript, as well as tracked changes in the appendix file. Changes pertaining to your comments have been marked as 'Reviewer 3 Comment __\u2019 in the comments within the revised manuscript, for ease of tracking.&nbsp;  We hope that the revisions sufficiently address your comments; any suggestions that were found to be out of scope for this review will certainly be considered in the write-up of the final publication.&nbsp;&nbsp;  Thank you again for your time and attention,&nbsp; Dr Shaakya Anand-Vembar, on behalf of all authors","URL":"https:\/\/hrbopenresearch.org\/articles\/8-123\/v2#referee-comment-3903","order":4,"name":"referee-comment-3903","label":"Referee Comment","group":{"name":"article-reports","label":"Article Reports"}},{"value":"The VISTA Programme is funded by the Health Research Board Ireland Applied Programmes Grant [APRO-2023-23]. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.","order":5,"name":"grant-information","label":"Grant Information"},{"value":"This is an open access article distributed under the terms of the Creative Commons Attribution Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.","order":0,"name":"copyright-info","label":"Copyright"}]}}