Nicoll, AvrilBrady, Marian CMasterson-Algar, PatriciaBurton, ChristopherBeaton, GillianDickson, SylviaCaulfield, MariaSmith, Christina H.Clarke, Carl E.Ives, NatalieJowett, SueRick, CarolineWoolley, RebeccaSackley, Catherine M2025-07-112025-07-112025-08Nicoll, A, Brady, M C, Masterson-Algar, P, Burton, C, Beaton, G, Dickson, S, Caulfield, M, Smith, C H, Clarke, C E, Ives, N, Jowett, S, Rick, C, Woolley, R & Sackley, C M 2025, 'The PD COMM process evaluation : describing interventions and implementation in a UK pragmatic randomised controlled trial of speech and language therapy for people with Parkinson’s-related dysarthria ', International Journal of Language and Communication Disorders, vol. 60, no. 4, e70084. https://doi.org/10.1111/1460-6984.700841368-2822ORCID: /0000-0001-9677-4817/work/187894632https://hdl.handle.net/2164/25686Open Access via the Wiley Agreement We would like to thank all patients, carers, therapists and other NHS staff who gave their time and expertise to make this process evaluation possible. We thank Ryan Ottridge and his team at Birmingham Clinical Trials Unit for coordinating the PD COMM trial, with particular thanks to Pui Au for her extra support in collating and transferring data to the process evaluation teams at Glasgow Caledonian University and Bangor University. The views expressed in this paper are those of the authors and not necessarily those of the funder (the National Institute for Health and Care Research), the NHS or the Department of Health and Social Care161081938engParkinson DiseaseRandomized Controlled TrialPragmatic Clinical TrialSpeech and Language TherapyIntervention studyImplementation scienceHumansMiddle AgedUnited KingdomLanguage Therapy/methodsMaleTreatment OutcomeDysarthria/therapyParkinson Disease/complicationsFemaleVoice TrainingSpeech Therapy/methodsAgedProcess Assessment, Health CareR Medicine (General)Supplementary DataDASR1Journal article10.1111/1460-6984.70084604