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About
The RiSolve Trial is a prospective, single-arm, post-market clinical investigation designed to evaluate the effectiveness, usability, and safety of a prescription digital therapeutic (PDTx) for women suffering from overactive bladder (OAB). The study is sponsored by the University of Galway and led by Professor Andrew W. Murphy. It is scheduled to begin in August 2025 and conclude in March 2026, and will be conducted through the Primary Care Clinical Trials Network at the University of Galway. Sixty adult women based in the Republic of Ireland will be recruited to take part. Eligible participants must be at least eighteen years old, fluent in English, own a smartphone, and report bothersome OAB or urgency incontinence symptoms. Women who are pregnant, receiving certain bladder-related treatments, or using specific medications or devices will be excluded.
Overactive bladder is a chronic condition defined by urgency, urinary frequency, nocturia, and often urgency incontinence. It is highly prevalent among women and significantly impacts quality of life, with effects ranging from sleep disruption to reduced occupational performance and heightened risks of anxiety and depression. Standard treatment guidelines recommend a tiered approach, beginning with behavioural therapy, followed by pharmacological options, and finally invasive procedures such as Botox injections or neuromodulation. Behavioural therapy, although considered the gold standard, is often difficult for patients to access due to limited provider availability, cost, and stigma. RiSolve was developed to overcome these barriers by offering a comprehensive, digital, prescription-only therapeutic program.
The investigational device, the RiSolve App (REF: PDTxA001), is a CE-marked Class I medical device developed in accordance with the EU Medical Device Regulation (MDR 2017/745). It delivers an eight-week structured program combining behavioural therapy with a novel digital cognitive behavioural therapy component. Content includes bladder training, pelvic floor exercises, urge suppression strategies, education on bladder health and diet, and general wellbeing modules covering sleep, stress, and exercise. The app also provides interactive tools such as quizzes, bladder diaries, and personalised feedback. Patients complete clinically validated questionnaires and receive auto-generated progress reports, which are also shared with healthcare providers. In its design, RiSolve builds on earlier pilot work with a prior app developed at the University of Galway, which demonstrated improvements in OAB symptoms and quality of life.
The primary aim of the study is to assess usability of the RiSolve App, measured using the user version of the Mobile Application Rating Scale (uMARS). Secondary objectives include evaluating symptom improvement using the Overactive Bladder Questionnaire short-form Symptom Severity scale (OAB-q SF SS) and assessing quality of life changes with the OAB-q SF HQoL scale. Safety outcomes will focus on identifying any device-related serious adverse events.
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Inclusion criteria
Adult women aged 18 and older with bothersome OAB symptoms: (i.e. must answer YES to one of the following):
Fluency and literacy in English to enable them to understand and complete treatment and required assessments
Currently based in the Republic of Ireland
Ownership and use of a smartphone
Use of at least one mobile App
Willing to forego commencing any other OAB treatments outside of RiSolve for the trial treatment period.
Exclusion criteria
Current use of an anticholinergic/beta-agonist, within the previous two weeks and/or at the date of consenting
Currently using intermittent or indwelling catheter
Currently pregnant or planning pregnancy during the study treatment period
Currently receiving treatment for bladder/urethral, colon/anal, or cervical cancer
Voiding dysfunction (i.e. if Yes is an answer to any of the following):
Currently using sacral or tibial neuromodulation.
Has had intradetrusor therapy
Currently taking antibiotics/drugs for urinary tract infection
Planning surgery for pelvic organ prolapse within the trial treatment period
Planning to undergo pessary fitting during the study period (Note: patients with an existing pessary are eligible) within the trial treatment period
Visual impairment such that in the opinion of the PI would impair their use of the app
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45 participants in 1 patient group
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Central trial contact
Clinical Trial Coordinator
Data sourced from clinicaltrials.gov
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