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The U&I study: study protocol for a feasibility randomised controlled trial of a pre-cognitive behavioural therapy digital ‘informed choice’ intervention to improve attitudes towards uptake and implementation of CBT for psychosis

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posted on 2023-06-07, 08:24 authored by Kathryn GreenwoodKathryn Greenwood, Katie Alford, Iain O’Leary, Emmanuelle Peters, Amy Hardy, Kate CavanaghKate Cavanagh, Andy FieldAndy Field, Richard De VisserRichard De Visser, David FowlerDavid Fowler, Matthew Davies, Alexandra Papamichail, Philippa Garety
Background: At least 40% of people with psychosis have persistent distressing symptoms despite optimal medication treatment. Cognitive Behaviour Therapy for psychosis (CBTp) is the only NICE recommended individual therapy for psychosis, with effects on symptoms, distress and quality of life. Yet fewer than 20% of service-users receive it and 94% of trusts struggle to provide it. Of those offered it, 22-43% refuse or do not attend. We have developed a new pre-CBTp informed choice intervention to address knowledge and attitudes that influence uptake and implementation and now want to test it in a feasibility trial. Methods: The design is a 2-arm, feasibility RCT, with 1:1 randomisation, stratified by participant group and site. Participants are 40 psychosis patients and 40 clinicians, who are ambivalent towards uptake or implementation of CBTp. Sites are community and inpatient services in Sussex and London. The intervention is a pre-CBT digital psychoeducation intervention designed to address identified knowledge and attitudinal barriers to uptake and implementation of CBTp, incorporating behaviour change mechanisms, and supported by animated introductory, patient and clinician stories. The comparator is the NHS choices website for CBT. The primary aim is to assess clinical feasibility (recruitment, randomization, acceptability, use, delivery, outcome measurement, retention). A secondary aim is a preliminary evaluation of efficacy. Outcomes will be assessed at baseline, post-intervention, and one-month follow up (blind to treatment arm). The primary efficacy outcome is likelihood of offering/taking up CBTp. Secondary outcomes include knowledge and attitudes towards CBTp; illness perceptions; empowerment; psychological wellbeing (patients only); CBTp implementation (clinicians only). Use of the intervention and CBT behaviours during the follow-up period will be recorded, and captured in a feedback questionnaire. Use, acceptability and experience of outcome assessment will be explored in qualitative interviews with participants (n = 6 per group). The efficacy evaluation will report descriptive data, key model parameters and 95% Highest Probability Density intervals in a Bayesian growth model. Discussion: This is the first feasibility trial of a digital ‘informed choice’ decision aid for the implementation of CBTp. If the trial proves feasible and demonstrates preliminary evidence of efficacy, a large multi-site trial will be warranted.

History

Publication status

  • Published

File Version

  • Published version

Journal

Trials

ISSN

1745-6215

Publisher

BMC

Issue

1

Volume

19

Page range

677 1-13

Department affiliated with

  • Psychology Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2019-07-09

First Open Access (FOA) Date

2019-07-09

First Compliant Deposit (FCD) Date

2019-07-08

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