PT - JOURNAL ARTICLE AU - Anna M Anderson AU - Elizabeth C Lavender AU - Esther Dusabe-Richards AU - Teumzghi F Mebrahtu AU - Linda McGowan AU - Philip G Conaghan AU - Sarah R Kingsbury AU - Gerry Richardson AU - Deborah Antcliff AU - Gretl A McHugh TI - Peer mentorship to improve self-management of hip and knee osteoarthritis: a randomised feasibility trial AID - 10.1136/bmjopen-2020-045389 DP - 2021 Jul 01 TA - BMJ Open PG - e045389 VI - 11 IP - 7 4099 - http://bmjopen.bmj.com/content/11/7/e045389.short 4100 - http://bmjopen.bmj.com/content/11/7/e045389.full SO - BMJ Open2021 Jul 01; 11 AB - Objective To determine the feasibility of conducting a randomised controlled trial (RCT) of a peer mentorship intervention to improve self-management of osteoarthritis (OA).Design Six-month parallel group non-blinded randomised feasibility trial.Setting One secondary care and one primary care UK National Health Service Trust.Participants Fifty adults aged ≥55 years old with hip and/or knee OA.Interventions Participants were allocated 1:1 to the intervention or control group using an online randomisation service. Intervention group participants received usual care (information resources) and up to eight community-based self-management support sessions delivered by a peer mentor (trained volunteer with hip and/or knee OA). Control group participants received usual care only.Outcome measures Key feasibility outcomes were participant and peer mentor recruitment and attrition, intervention completion and the sample size required for a definitive RCT. Based on these feasibility outcomes, four success criteria for proceeding to a definitive RCT were prespecified. Patient-reported outcomes were collected via questionnaires at baseline, 8 weeks and 6 months.Results Ninety-six individuals were screened, 65 were eligible and 50 were randomised (25 per group). Of the 24 participants who commenced the intervention, 20 completed it. Four participants did not complete the 6-month questionnaire. Twenty-one individuals were eligible for the peer mentor role, 15 were trained and 5 withdrew prior to being matched with a participant. No intervention-related harms occurred. Allowing for 20% attrition, the sample size required for a definitive RCT was calculated as 170 participants. The intervention group showed improvements in self-management compared with the control group.Conclusions The feasibility outcomes achieved the prespecified criteria for proceeding to an RCT. The exploratory analyses suggest peer mentorship may improve OA self-management. An RCT of the OA peer mentorship intervention is therefore warranted with minor modifications to the intervention and trial procedures.Trial registration number ISRCTN:50675542.Data are available on reasonable request. Deidentified participant data and the trial protocol are available from the corresponding author via A.Anderson@leeds.ac.uk on reasonable request. Reuse is permitted for the purpose of health and care research as long as the original creators are acknowledged.