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Avery N, McNeilage AG, Stanaway F, Ashton-James CE, Blyth FM, Martin R, Gholamrezaei A, Glare P. Efficacy of interventions to reduce long term opioid treatment for chronic non-cancer pain: systematic review and meta-analysis. BMJ 2022; 377:e066375. [PMID: 35379650 PMCID: PMC8977989 DOI: 10.1136/bmj-2021-066375] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
OBJECTIVE To review interventions to reduce long term opioid treatment in people with chronic non-cancer pain, considering efficacy on dose reduction and discontinuation, pain, function, quality of life, withdrawal symptoms, substance use, and adverse events. DESIGN Systematic review and meta-analysis of randomised controlled trials and non-randomised studies of interventions. DATA SOURCES Medline, Embase, PsycINFO, CINAHL, and the Cochrane Library searched from inception to July 2021. Reference lists and previous reviews were also searched and experts were contacted. ELIGIBILITY CRITERIA FOR STUDY SELECTION Original research in English. Case reports and cross sectional studies were excluded. DATA EXTRACTION AND SYNTHESIS Two authors independently selected studies, extracted data, and used the Cochrane risk-of-bias tools for randomised and non-randomised studies (RoB 2 and ROBINS-I). Authors grouped interventions into five categories (pain self-management, complementary and alternative medicine, pharmacological and biomedical devices and interventions, opioid replacement treatment, and deprescription methods), estimated pooled effects using random effects meta-analytical models, and appraised the certainty of evidence using GRADE (grading of recommendations, assessment, development, and evaluation). RESULTS Of 166 studies meeting inclusion criteria, 130 (78%) were considered at critical risk of bias and were excluded from the evidence synthesis. Of the 36 included studies, few had comparable treatment arms and sample sizes were generally small. Consequently, the certainty of the evidence was low or very low for more than 90% (41/44) of GRADE outcomes, including for all non-opioid patient outcomes. Despite these limitations, evidence of moderate certainty indicated that interventions to support prescribers' adherence to guidelines increased the likelihood of patients discontinuing opioid treatment (adjusted odds ratio 1.5, 95% confidence interval 1.0 to 2.1), and that these prescriber interventions as well as pain self-management programmes reduced opioid dose more than controls (intervention v control, mean difference -6.8 mg (standard error 1.6) daily oral morphine equivalent, P<0.001; pain programme v control, -14.31 mg daily oral morphine equivalent, 95% confidence interval -21.57 to -7.05). CONCLUSIONS Evidence on the reduction of long term opioid treatment for chronic pain continues to be constrained by poor study methodology. Of particular concern is the lack of evidence relating to possible harms. Agreed standards for designing and reporting studies on the reduction of opioid treatment are urgently needed. REVIEW REGISTRATION PROSPERO CRD42020140943.
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Affiliation(s)
- Nicholas Avery
- Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
- Pain Management Research Institute, Kolling Institute, University of Sydney, Sydney, NSW, Australia
| | - Amy G McNeilage
- Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
- Pain Management Research Institute, Kolling Institute, University of Sydney, Sydney, NSW, Australia
| | - Fiona Stanaway
- School of Public Health, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Claire E Ashton-James
- Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
- Pain Management Research Institute, Kolling Institute, University of Sydney, Sydney, NSW, Australia
| | - Fiona M Blyth
- Pain Management Research Institute, Kolling Institute, University of Sydney, Sydney, NSW, Australia
- School of Public Health, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Rebecca Martin
- Michael J Cousins Pain Management and Research Centre, Royal North Shore Hospital, Sydney, NSW, Australia
| | - Ali Gholamrezaei
- Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
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Paine P. Review article: current and future treatment approaches for pain in IBS. Aliment Pharmacol Ther 2021; 54 Suppl 1:S75-S88. [PMID: 34927753 DOI: 10.1111/apt.16550] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 07/15/2021] [Accepted: 07/15/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND Abdominal pain is a core symptom of IBS and a primary driver of care seeking. Visceral hypersensitivity is a key pathophysiological mechanism and therapeutic target for pain in IBS, with components of peripheral and central sensitisation and psychological factors. AIM To review current and future treatment approaches specifically for the pain component of IBS. METHODS Pubmed search terms included combinations of irritable bowel, pain, visceral hypersensitivity, novel, new, emerging, future and advances. RESULTS Established non-pharmacological treatments for IBS pain include the low FODMAP diet, probiotics and psychological interventions, especially hypnotherapy. Tricyclics remain the best evidenced pharmacological approach with GCC agonists, tenapanor, lubiprostone, eluxadoline and 5HT3 antagonists second line according to patient characteristics and availability. Less well-evidenced current options include anti-spasmodics, peppermint oil, SSRIs, SNRIs, alpha 2 delta ligands, melatonin and histamine antagonists. Patients are vulnerable to iatrogenesis and harmful approaches to be avoided include opioids and unwarranted surgical interventions. For severe pain, the concept of augmentation with combined gut-brain neuromodulators and psychotherapy in a multi-disciplinary setting is considered. A plethora of molecular targets and ligands are emerging from pre-clinical studies, together with early clinical evidence for a range of pharmacological, dietary, neurostimulation and novel psychological treatment delivery methods which are reviewed. The history of such emerging approaches, however, merits both caution and optimism in equal measure. CONCLUSIONS Despite good in-roads and emerging options, the management of abdominal pain remains one of the biggest challenges and research priorities for patients with IBS.
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Affiliation(s)
- Peter Paine
- Department of Gastroenterology, University of Manchester, Salford Royal Foundation Trust, Salford, UK
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Vasant DH, Paine PA, Black CJ, Houghton LA, Everitt HA, Corsetti M, Agrawal A, Aziz I, Farmer AD, Eugenicos MP, Moss-Morris R, Yiannakou Y, Ford AC. British Society of Gastroenterology guidelines on the management of irritable bowel syndrome. Gut 2021; 70:1214-1240. [PMID: 33903147 DOI: 10.1136/gutjnl-2021-324598] [Citation(s) in RCA: 191] [Impact Index Per Article: 63.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 03/30/2021] [Accepted: 04/06/2021] [Indexed: 12/11/2022]
Abstract
Irritable bowel syndrome (IBS) remains one of the most common gastrointestinal disorders seen by clinicians in both primary and secondary care. Since publication of the last British Society of Gastroenterology (BSG) guideline in 2007, substantial advances have been made in understanding its complex pathophysiology, resulting in its re-classification as a disorder of gut-brain interaction, rather than a functional gastrointestinal disorder. Moreover, there has been a considerable amount of new evidence published concerning the diagnosis, investigation and management of IBS. The primary aim of this guideline, commissioned by the BSG, is to review and summarise the current evidence to inform and guide clinical practice, by providing a practical framework for evidence-based management of patients. One of the strengths of this guideline is that the recommendations for treatment are based on evidence derived from a comprehensive search of the medical literature, which was used to inform an update of a series of trial-based and network meta-analyses assessing the efficacy of dietary, pharmacological and psychological therapies in treating IBS. Specific recommendations have been made according to the Grading of Recommendations Assessment, Development and Evaluation system, summarising both the strength of the recommendations and the overall quality of evidence. Finally, this guideline identifies novel treatments that are in development, as well as highlighting areas of unmet need for future research.
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Affiliation(s)
- Dipesh H Vasant
- Neurogastroenterology Unit, Gastroenterology, Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester, UK.,Division of Diabetes, Endocrinology and Gastroenterology, University of Manchester, Manchester, UK
| | - Peter A Paine
- Division of Diabetes, Endocrinology and Gastroenterology, University of Manchester, Manchester, UK.,Gastroenterology, Salford Royal Foundation Trust, Salford, UK
| | - Christopher J Black
- Leeds Gastroenterology Institute, Leeds Teaching Hospitals NHS Trust, Leeds, UK.,Leeds Institute of Medical Research at St James's, University of Leeds, Leeds, UK
| | - Lesley A Houghton
- Leeds Institute of Medical Research at St James's, University of Leeds, Leeds, UK.,Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, Florida, USA
| | - Hazel A Everitt
- Primary Care and Population Sciences, University of Southampton, Southampton, UK
| | - Maura Corsetti
- Nottingham Digestive Diseases Biomedical Research Unit, University of Nottingham, Nottingham, UK
| | - Anurag Agrawal
- Gastroenterology, Doncaster and Bassetlaw Hospitals NHS Trust, Armthorpe Road, Doncaster, UK
| | - Imran Aziz
- Academic Unit of Gastroenterology, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK.,Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
| | - Adam D Farmer
- Department of Gastroenterology, University Hospitals of North Midlands NHS Trust, Stoke-on-Trent, UK.,School of Medicine, Keele University, Keele, UK
| | - Maria P Eugenicos
- Department of Gastroenterology, University of Edinburgh, Western General Hospital, Edinburgh, UK
| | - Rona Moss-Morris
- Department of Psychology, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Yan Yiannakou
- Department of Gastroenterology, County Durham and Darlington NHS Foundation Trust, Durham, UK
| | - Alexander C Ford
- Leeds Gastroenterology Institute, Leeds Teaching Hospitals NHS Trust, Leeds, UK .,Leeds Institute of Medical Research at St James's, University of Leeds, Leeds, UK
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Nightingale JMD, Paine P, McLaughlin J, Emmanuel A, Martin JE, Lal S. The management of adult patients with severe chronic small intestinal dysmotility. Gut 2020; 69:2074-2092. [PMID: 32826308 PMCID: PMC7677490 DOI: 10.1136/gutjnl-2020-321631] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 06/07/2020] [Accepted: 06/08/2020] [Indexed: 02/06/2023]
Abstract
Adult patients with severe chronic small intestinal dysmotility are not uncommon and can be difficult to manage. This guideline gives an outline of how to make the diagnosis. It discusses factors which contribute to or cause a picture of severe chronic intestinal dysmotility (eg, obstruction, functional gastrointestinal disorders, drugs, psychosocial issues and malnutrition). It gives management guidelines for patients with an enteric myopathy or neuropathy including the use of enteral and parenteral nutrition.
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Affiliation(s)
| | - Peter Paine
- Gastroenterology, Salford Royal Foundation Trust, Salford, UK
| | - John McLaughlin
- Division of Diabetes, Endocrinology and Gastroenterology, University of Manchester, Salford, UK
| | | | - Joanne E Martin
- Pathology Group, Blizard Institute, Barts & The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Simon Lal
- Gastroenterology and Intestinal Failure Unit, Salford Royal Foundation Trust, Manchester, UK
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Hearn M, Whorwell PJ, Vasant DH. Stigma and irritable bowel syndrome: a taboo subject? Lancet Gastroenterol Hepatol 2020; 5:607-615. [DOI: 10.1016/s2468-1253(19)30348-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 09/30/2019] [Accepted: 10/01/2019] [Indexed: 02/07/2023]
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Corsetti M, Whorwell P. The global impact of IBS: time to think about IBS-specific models of care? Therap Adv Gastroenterol 2017; 10:727-736. [PMID: 28932273 PMCID: PMC5598808 DOI: 10.1177/1756283x17718677] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2017] [Accepted: 06/12/2017] [Indexed: 02/04/2023] Open
Abstract
Irritable bowel syndrome (IBS) is a prevalent functional gastrointestinal (GI) disorder that can significantly erode the quality of life (QoL) of sufferers and places a major cost burden on healthcare services. This paper reviews the literature on the impact of IBS on healthcare services and society, including a recent report on the subject, in order to formulate a plan for the future. A completely different model of care for these patients is recommended based on this review and the experience of the two authors who have been treating patients with functional GI disorders for 20 and 35 years, respectively.
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Affiliation(s)
- Maura Corsetti
- Nottingham Digestive Diseases Biomedical Research Centre, National Institute for Health Research, Nottingham University Hospitals NHS Trust, University of Nottingham, UK
| | - Peter Whorwell
- Centre for Gastrointestinal Sciences, University of Manchester, Manchester, UK
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Hoeritzauer I, Phé V, Panicker JN. Urologic symptoms and functional neurologic disorders. HANDBOOK OF CLINICAL NEUROLOGY 2016; 139:469-481. [PMID: 27719863 DOI: 10.1016/b978-0-12-801772-2.00038-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The term functional urologic disorders covers a wide range of conditions related broadly to altered function rather than structure of the lower urinary tract, mainly of impaired urine voiding or storage. Confusingly, for a neurologic readership, these disorders of function may often be due to a urologic, gynecologic, or neurologic cause. However, there is a subset of functional urologic disorders where the cause remains uncertain and, in this chapter, we describe the clinical features of these disorders in turn: psychogenic urinary retention; Fowler's syndrome; paruresis (shy-bladder syndrome); dysfunctional voiding; idiopathic overactive bladder, and interstitial cystitis/bladder pain syndrome. Some of these overlap in terms of symptoms, but have become historically separated. Psychogenic urinary retention in particular has now largely been abandoned as a concept, in part because of the finding of specific urethral electromyogram findings in patients with this symptom now described as having Fowler's syndrome, and their successful treatment with sacral neurostimulation. In this chapter we review the poorly researched interface between these "idiopathic" functional urologic disorders and other functional disorders (e.g., irritable-bowel syndrome, fibromyalgia) as well as specifically functional neurologic disorders. We conclude that there may be a relationship and overlap between them and that this requires further research, especially in those idiopathic functional urologic disorders which involve disorders of the urethral sphincter (i.e., voluntary muscle).
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Affiliation(s)
- I Hoeritzauer
- Centre for Clinical Brain Sciences, University of Edinburgh, UK
| | - V Phé
- Department of Uro-Neurology, The National Hospital for Neurology and Neurosurgery, London, UK and Department of Urology, Pitié-Salpêtrière Academic Hospital, Paris, France
| | - J N Panicker
- Department of Uro-Neurology, The National Hospital for Neurology and Neurosurgery and UCL Institute of Neurology, Queen Square, London.
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