Peer Review History
| Original SubmissionOctober 23, 2025 |
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-->PONE-D-25-55661-->-->Cost-effectiveness of a mentalisation-based treatment for antisocial personality disorder in males convicted of an offence on community probation in England and Wales: multicentre, assessor-blind randomised controlled trial -->-->PLOS One Dear Dr. Barrett, Thank you for submitting your manuscript to PLOS ONE. After careful consideration, we feel that it has merit but does not fully meet PLOS ONE’s publication criteria as it currently stands. Therefore, we invite you to submit a revised version of the manuscript that addresses the points raised during the review process. Please submit your revised manuscript by Feb 27 2026 11:59PM. If you will need more time than this to complete your revisions, please reply to this message or contact the journal office at plosone@plos.org. When you're ready to submit your revision, log on to https://www.editorialmanager.com/pone/ and select the 'Submissions Needing Revision' folder to locate your manuscript file. Please include the following items when submitting your revised manuscript:-->
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Gc, PhD Academic Editor PLOS One Journal Requirements: When submitting your revision, we need you to address these additional requirements. 1. Please ensure that your manuscript meets PLOS ONE's style requirements, including those for file naming. The PLOS ONE style templates can be found at https://journals.plos.org/plosone/s/file?id=wjVg/PLOSOne_formatting_sample_main_body.pdf and 2. Thank you for stating the following in the Acknowledgments Section of your manuscript: “This study was funded by the NIHR Health Technology Assessment Programme (14/186/01). The views expressed are those of the authors and not necessarily those of the UK National Health Service, the NIHR, or the UK Department of Health. PF had full access to all the study data after the database had been approved and locked by the Clinical Trials Unit and had final responsibility for the decision to submit for publication. We would like to thank the research assistants and peer researchers involved in acquiring the data across the 13 sites and the MBT site team leads, clinicians, specialist offender managers, and assistant psychologists for all their hard work with screening and recruiting participants for the RCT and delivering the MBT service; Sarah Skett, Nick Joseph, and Carine Lewis for their guidance and support with implementing an RCT in the criminal justice system and accessing the offending data; The London Probation Pathways and Penrose for helping us identify service user experts for consultation during the feasibility phase of the study; User Voice for their support in collaborating on this trial, for their contribution to peer-led research, and their unwavering commitment to optimal service user involvement; Conor Duggan and the members of the Trial Steering Committee he chaired; and Philip Graham and the members of the Data Management and Ethics Committee he chaired, for their counsel.” We note that you have provided additional information within the Acknowledgements Section that is not currently declared in your Funding Statement. Please note that funding information should not appear in the Acknowledgments section or other areas of your manuscript. We will only publish funding information present in the Funding Statement section of the online submission form. Please remove any funding-related text from the manuscript and let us know how you would like to update your Funding Statement. Currently, your Funding Statement reads as follows: “This work was supported by National Institute for Health Research Health Technology Assessment programme award id 14/186/01.” Please include your amended statements within your cover letter; we will change the online submission form on your behalf. 3. Thank you for stating the following financial disclosure: “This work was supported by National Institute for Health Research Health Technology Assessment programme award id 14/186/01.” Please state what role the funders took in the study. If the funders had no role, please state: "The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript." If this statement is not correct you must amend it as needed. Please include this amended Role of Funder statement in your cover letter; we will change the online submission form on your behalf. 4. Thank you for stating the following in the Competing Interests section: “PF and AB report receipt of honoraria for MBT training.” Please confirm that this does not alter your adherence to all PLOS ONE policies on sharing data and materials, by including the following statement: "This does not alter our adherence to PLOS ONE policies on sharing data and materials.” (as detailed online in our guide for authors http://journals.plos.org/plosone/s/competing-interests). If there are restrictions on sharing of data and/or materials, please state these. Please note that we cannot proceed with consideration of your article until this information has been declared. Please include your updated Competing Interests statement in your cover letter; we will change the online submission form on your behalf. 5. If the reviewer comments include a recommendation to cite specific previously published works, please review and evaluate these publications to determine whether they are relevant and should be cited. There is no requirement to cite these works unless the editor has indicated otherwise. Additional Editor Comments: Please submit the completed CHEERS checklist. [Note: HTML markup is below. Please do not edit.] Reviewers' comments: Reviewer's Responses to Questions -->Comments to the Author 1. Is the manuscript technically sound, and do the data support the conclusions? The manuscript must describe a technically sound piece of scientific research with data that supports the conclusions. Experiments must have been conducted rigorously, with appropriate controls, replication, and sample sizes. The conclusions must be drawn appropriately based on the data presented. --> Reviewer #1: Yes Reviewer #2: Partly ********** -->2. Has the statistical analysis been performed appropriately and rigorously? --> Reviewer #1: Yes Reviewer #2: Yes ********** -->3. Have the authors made all data underlying the findings in their manuscript fully available? The PLOS Data policy requires authors to make all data underlying the findings described in their manuscript fully available without restriction, with rare exception (please refer to the Data Availability Statement in the manuscript PDF file). The data should be provided as part of the manuscript or its supporting information, or deposited to a public repository. For example, in addition to summary statistics, the data points behind means, medians and variance measures should be available. If there are restrictions on publicly sharing data—e.g. participant privacy or use of data from a third party—those must be specified.--> Reviewer #1: Yes Reviewer #2: Yes ********** -->4. Is the manuscript presented in an intelligible fashion and written in standard English? PLOS ONE does not copyedit accepted manuscripts, so the language in submitted articles must be clear, correct, and unambiguous. Any typographical or grammatical errors should be corrected at revision, so please note any specific errors here.--> Reviewer #1: Yes Reviewer #2: Yes ********** -->5. Review Comments to the Author Please use the space provided to explain your answers to the questions above. You may also include additional comments for the author, including concerns about dual publication, research ethics, or publication ethics. (Please upload your review as an attachment if it exceeds 20,000 characters)--> Reviewer #1: This manuscript is concise, generally well-written and compelling. The authors describe a cost-effectiveness comparison of probation vs. probation + MBT for men with antisocial personality disorder. They temper their conclusion appropriately given study limitations but suggest that MBT may reduce aggressive behavior and save money. I have a few concerns that are likely addressable via revision. 1. The authors note that they developed the SF-SUS developed for this study. Given the novelty of this measure, I find the lack of psychometric data unsatisfying. 2. Authors report “no systematic pattern in the missing data” but also report that those with complete data were older. Is there no concern that this older sample might be less likely to recidivate or less aggressive? If using their values to predict and impute missing values, might this systematically skew the results? 3. The authors indicate “a cost saving of £92.69 per one-point reduction in OAS-M score.” I’d like to see more interpretation of this finding – how meaningful is a one-point reduction on the OAS-M? Reviewer #2: I’ve read with interest the manuscript “Cost-effectiveness of a mentalisation-based treatment for antisocial personality disorder in males convicted of an offence on community probation in England and Wales : multicentre assessor blind randomised controlled trial. It was nice to read and overall the economic evaluation has been conducted well although some additional analyses need to be added and/or better explained. Please find my remarks below: Methods: • The authors mention the Secure Service Use Schedule tool which is a self-reported tool and administered via structured interviews by researchers. 1) What exactly does this tool measure? Please explain this a bit more for readers that are not familiar with the tool. • Why were 30 datasets used for multiple imputation? Given that the percentage of missing data exceeds 50%, could you provide a rationale for choosing 30 imputations. • Lines 151–153: you state that regression analysis was used to compare costs, but it is unclear which type of regression analysis was applied. In addition, based on Table 5, it appears that you also adjusted for baseline utility, but this is not mentioned here. Personally, I am used to applying a seemingly unrelated regression (SUR) to both costs and utility and subsequently using this as input for the economic evaluation. However, it is unclear what exact approach was used in your analysis. Please clarify more. • The authors present costs and utility scores separately based on complete-case analyses and then only use the multiple imputation (MI) dataset when combining the two outcomes. My suggestion would be to present costs and utility scores based on the MI dataset, as this is standard practice. One option would be to subsequently perform the cost-effectiveness analysis on complete cases and present this as a scenario analysis. This would allow you to discuss the potential impact of using MI versus complete-case analyses on the results and conclusions. • It is unclear which variables were included in the imputation model ( like age or other patient characteristics?) Could you please add this info? • It is also unclear which software was used for the analysis? Did they use R ( a useful tutorial for a trial based economic evaluation has been published. See: https://doi.org/10.1007/s40273-023-01301-7) or Stata combined with excell? Please specify this in your method section. Results • The ICER based on the OAS-M scores indicates dominance, i.e. lower costs and higher effectiveness. The ICER based on QALYs indicates cost savings but with a QALY loss. I would describe the results explicitly in this way, as this accurately reflects your findings. I am not sure why this result is described as difficult to interpret, as it is essentially the mirror image of the quadrant where additional costs are incurred for a QALY gain. The main issue is that a threshold is typically defined for that quadrant but not for the opposite one. For the south-west quadrant, the relevant question is therefore: what do we consider to be minimally acceptable cost savings for a QALY loss? This could be addressed in the Discussion. Regardless of whether cost savings per QALY lost or a net benefit approach is used, it always requires a discussion of what level of cost savings might be considered acceptable. • In addition, given that 56% of the bootstrapped cost–effectiveness pairs lie in the quadrant showing cost savings with a QALY loss, and 33% lie in the north-west quadrant where there are higher costs and a QALY loss (i.e. the intervention is inferior), it is unclear what the willingness-to-pay for a QALY represents in Figure 2. What exactly is being paid for, or should this be interpreted as a willingness to accept rather than a willingness to pay? • Although I understand why the description of the cost-effectiveness plane in Figure 3 was changed, this has become confusing. By switching the axes , it is still not immediately clear that the dominant quadrant reflects an intervention that is more effective and less costly. I am not sure how this could best be resolved. One option might be to only present the cost-effectiveness acceptability curve, because from that figure (please replace “XX” with the figure number) it becomes clear that even under an extreme scenario in which decision-makers are not willing to invest anything, the intervention still has a high probability of being cost-effective. • Lines 215–217: you mention a sensitivity analysis, but the results are not presented. These should be reported. In addition, it might be useful to add a scenario analysis that only includes healthcare costs, in order to assess the impact of adopting a different analytical perspective. Discussion • Returning to the interpretation of the results, particularly in line 239: what does it mean that the cost savings exceed plausible thresholds for willingness to pay for a small QALY loss? Why would society ever be willing to pay for a loss in QALYs, or do you mean something else here? This point needs clarification. • For the remainder of the Discussion, the authors appropriately describe the limitations of the study and discuss the known issues associated with using a questionnaire such as the EQ-5D-5L in this population. I therefore have no further comments on this section. However, if the additional scenario and sensitivity analyses are conducted, a brief discussion of their implications would be appropriate. ********** -->6. 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| Revision 1 |
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Cost-effectiveness of a mentalisation-based treatment for antisocial personality disorder in males convicted of an offence on community probation in England and Wales: multicentre, assessor-blind randomised controlled trial PONE-D-25-55661R1 Dear Dr. Barrett, We’re pleased to inform you that your manuscript has been judged scientifically suitable for publication and will be formally accepted for publication once it meets all outstanding technical requirements. Within one week, you’ll receive an e-mail detailing the required amendments. When these have been addressed, you’ll receive a formal acceptance letter and your manuscript will be scheduled for publication. An invoice will be generated when your article is formally accepted. Please note, if your institution has a publishing partnership with PLOS and your article meets the relevant criteria, all or part of your publication costs will be covered. Please make sure your user information is up-to-date by logging into Editorial Manager at Editorial Manager® and clicking the ‘Update My Information' link at the top of the page. For questions related to billing, please contact billing support. If your institution or institutions have a press office, please notify them about your upcoming paper to help maximize its impact. If they’ll be preparing press materials, please inform our press team as soon as possible -- no later than 48 hours after receiving the formal acceptance. Your manuscript will remain under strict press embargo until 2 pm Eastern Time on the date of publication. For more information, please contact onepress@plos.org. Kind regards, Vijay S. Gc, PhD Academic Editor PLOS One Additional Editor Comments (optional): Reviewers' comments: Reviewer's Responses to Questions -->Comments to the Author 1. If the authors have adequately addressed your comments raised in a previous round of review and you feel that this manuscript is now acceptable for publication, you may indicate that here to bypass the “Comments to the Author” section, enter your conflict of interest statement in the “Confidential to Editor” section, and submit your "Accept" recommendation.--> Reviewer #1: All comments have been addressed Reviewer #2: All comments have been addressed ********** -->2. Is the manuscript technically sound, and do the data support the conclusions? The manuscript must describe a technically sound piece of scientific research with data that supports the conclusions. Experiments must have been conducted rigorously, with appropriate controls, replication, and sample sizes. The conclusions must be drawn appropriately based on the data presented. --> Reviewer #1: Yes Reviewer #2: (No Response) ********** -->3. Has the statistical analysis been performed appropriately and rigorously? --> Reviewer #1: Yes Reviewer #2: (No Response) ********** -->4. Have the authors made all data underlying the findings in their manuscript fully available? The PLOS Data policy requires authors to make all data underlying the findings described in their manuscript fully available without restriction, with rare exception (please refer to the Data Availability Statement in the manuscript PDF file). The data should be provided as part of the manuscript or its supporting information, or deposited to a public repository. For example, in addition to summary statistics, the data points behind means, medians and variance measures should be available. If there are restrictions on publicly sharing data—e.g. participant privacy or use of data from a third party—those must be specified.--> Reviewer #1: Yes Reviewer #2: (No Response) ********** -->5. Is the manuscript presented in an intelligible fashion and written in standard English? PLOS ONE does not copyedit accepted manuscripts, so the language in submitted articles must be clear, correct, and unambiguous. Any typographical or grammatical errors should be corrected at revision, so please note any specific errors here.--> Reviewer #1: Yes Reviewer #2: (No Response) ********** -->6. Review Comments to the Author Please use the space provided to explain your answers to the questions above. You may also include additional comments for the author, including concerns about dual publication, research ethics, or publication ethics. (Please upload your review as an attachment if it exceeds 20,000 characters)--> Reviewer #1: (No Response) Reviewer #2: (No Response) ********** -->7. PLOS authors have the option to publish the peer review history of their article (what does this mean?). If published, this will include your full peer review and any attached files. If you choose “no”, your identity will remain anonymous but your review may still be made public. Do you want your identity to be public for this peer review? For information about this choice, including consent withdrawal, please see our Privacy Policy.--> Reviewer #1: No Reviewer #2: No ********** |
| Formally Accepted |
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PONE-D-25-55661R1 PLOS One Dear Dr. Barrett, I'm pleased to inform you that your manuscript has been deemed suitable for publication in PLOS One. Congratulations! Your manuscript is now being handed over to our production team. At this stage, our production department will prepare your paper for publication. This includes ensuring the following: * All references, tables, and figures are properly cited * All relevant supporting information is included in the manuscript submission, * There are no issues that prevent the paper from being properly typeset You will receive further instructions from the production team, including instructions on how to review your proof when it is ready. Please keep in mind that we are working through a large volume of accepted articles, so please give us a few days to review your paper and let you know the next and final steps. Lastly, if your institution or institutions have a press office, please let them know about your upcoming paper now to help maximize its impact. If they'll be preparing press materials, please inform our press team within the next 48 hours. Your manuscript will remain under strict press embargo until 2 pm Eastern Time on the date of publication. For more information, please contact onepress@plos.org. You will receive an invoice from PLOS for your publication fee after your manuscript has reached the completed accept phase. If you receive an email requesting payment before acceptance or for any other service, this may be a phishing scheme. Learn how to identify phishing emails and protect your accounts at https://explore.plos.org/phishing. If we can help with anything else, please email us at customercare@plos.org. Thank you for submitting your work to PLOS ONE and supporting open access. Kind regards, PLOS ONE Editorial Office Staff on behalf of Dr. Vijay S. Gc Academic Editor PLOS One |
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