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Cognitive behavioural therapy for irritable bowel syndrome: 24-month follow-up of participants in the ACTIB randomised trial

Published on Nov 1, 2019in The Lancet Gastroenterology & Hepatology
· DOI :10.1016/S2468-1253(19)30243-2
Hazel Everitt18
Estimated H-index: 18
(University of Southampton),
Sabine Landau49
Estimated H-index: 49
('KCL': King's College London)
+ 12 AuthorsRona Moss-Morris44
Estimated H-index: 44
('KCL': King's College London)
Sources
Abstract
Summary Background Irritable bowel syndrome (IBS) is common, affecting 10–20% of the adult population worldwide, with many people reporting ongoing symptoms despite first-line therapies. Cognitive behavioural therapy (CBT) is recommended in guidelines for refractory IBS but there is insufficient access to CBT for IBS and uncertainty about whether benefits last in the longer term. Assessing Cognitive behavioural Therapy for IBS (ACTIB) was a large, randomised, controlled trial of two forms of CBT for patients with refractory IBS. ACTIB results showed that, at 12 months, both forms of CBT for IBS were significantly more effective than treatment as usual at reducing IBS symptom severity in adults with refractory IBS. This follow-up study aimed to evaluate 24-month clinical outcomes of participants in the ACTIB trial. Methods In the ACTIB three-group, randomised, controlled trial, 558 adults with refractory IBS were randomly allocated to receive either therapist-delivered telephone CBT (telephone-CBT group), web-based CBT with minimal therapist support (web-CBT group), or treatment as usual (TAU group) and were followed up for 12 months. Participants were adults with refractory IBS (clinically significant symptoms for ≥12 months despite being offered first-line therapies), recruited by letter and opportunistically from 74 general practices and three gastroenterology centres in London and the south of England (UK) between May 1, 2014, and March 31, 2016. Primary outcome measures were IBS Symptom Severity Score (IBS-SSS) and Work and Social Adjustment Scale (WSAS), assessed in the intention-to-treat (ITT) population with multiple imputation. This study was a non-prespecified naturalistic follow-up and analysis of the participants of the ACTIB trial at 24 months assessing the same outcomes as the original trial. Outcome measures were completed online by participants or a paper questionnaire was posted, or telephone follow-up undertaken. The ACTIB trial is registered with the International Standard Randomised Controlled Trial Number registry, number ISRCTN44427879. Findings 24-month follow-up of outcomes was achieved for 323 (58%) of 558 participants: 119 (64%) of 186 in the telephone-CBT group, 99 (54%) of 185 in the web-CBT group, and 105 (56%) of 187 in the TAU group. At 24 months, mean IBS-SSS was 40·5 points (95% CI 15·0 to 66·0; p=0·002) lower in the telephone-CBT group and 12·9 points (−12·9 to 38·8; p=0·33) lower in the web-CBT group than in the TAU group. The mean WSAS score was 3·1 points (1·3 to 4·9; p Interpretation At 24-month follow-up, sustained improvements in IBS were seen in both CBT groups compared with TAU, although some previous gains were reduced compared with the 12-month outcomes. IBS-specific CBT has the potential to provide long-term improvement in IBS, achievable within a usual clinical setting. Increasing access to CBT for IBS could achieve long-term patient benefit. Funding UK National Institute for Health Research.
  • References (18)
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References18
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#1Hazel Everitt (University of Southampton)H-Index: 18
#2Sabine Landau (University of Cambridge)H-Index: 49
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#1Hazel Everitt (University of Southampton)H-Index: 18
#2Sabine Landau (King's College)H-Index: 49
Last. Rona Moss-Morris (King's College)H-Index: 44
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Introduction: Irritable bowel syndrome (IBS) affects 10–22% of the UK population, with England’s annual National Health Service (NHS) costs amounting to more than £200 million. Abdominal pain, bloating and altered bowel habit affect quality of life, social functioning and time off work. Current treatment relies on a positive diagnosis, reassurance, lifestyle advice and drug therapies, but many people suffer ongoing symptoms. Cognitive behaviour therapy (CBT) and self-management can be helpful, b...
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#2Hugo Hesser (Linköping University)H-Index: 23
Last. Erik Hedman (KI: Karolinska Institutet)H-Index: 35
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An internet-delivered cognitive behavioral treatment (ICBT) based on systematic exposure exercises has previously shown beneficial effects for patients with irritable bowel syndrome (IBS). Exposure exercises may beperceivedasdifficultforpatientstoperformbecauseoftheelicitedshort-termdistressandcliniciansmaybe reluctanttousetheseinterventions.TheaimofthisstudywastocompareICBTwiththesameprotocolwithout systematic exposure (ICBT-WE) to assess if exposure had any incremental value. This randomized c...
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#1Hazel Everitt (University of Southampton)H-Index: 18
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Background Many patients with IBS suffer on-going symptoms. The evidence base is poor for IBS drugs but they are widely prescribed and advised in Guidelines. Cognitive Behavioural Therapy (CBT) can be helpful, but availability is poor in the NHS. We developed a web-based CBT self-management programme (Regul8) in partnership with patients and trialled it and common IBS medications in an exploratory factorial RCT to test trial procedures and provide information for a larger trial.
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Background: recent guidelines for the treatment of irritable bowel syndrome (IBS) emphasize the need for research to facilitate home-based self-management for these patients in primary care. The aim of the current study was to test the efficacy of a manualized cognitive behavioural therapy (CBT)-based self-management programme for IBS in a pilot randomized controlled trial (RCT). Method: sixty-four primary-care patients meeting Rome criteria for IBS were randomized into either self-management pl...
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Abstract Background Despite comparable clinical outcomes, therapists and patients express reservations about the delivery of psychological therapy by telephone. These concerns centre around the quality of the therapeutic relationship and the ability to exercise professional skill and judgement in the absence of visual cues. However, the empirical evidence base for such perceptions has not been clearly established. Methods We conducted a systematic review to establish what is known empirically ab...
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