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Randomized Controlled Trial Multicenter Study Pragmatic Clinical Trial
An integrated palliative and respiratory care service for patients with advanced disease and refractory breathlessness: a randomised controlled trial.
- Irene J Higginson, Claudia Bausewein, Charles C Reilly, Wei Gao, Marjolein Gysels, Mendwas Dzingina, Paul McCrone, Sara Booth, Caroline J Jolley, and John Moxham.
- Cicely Saunders Institute, Department of Palliative Care, Policy and Rehabilitation, King's College London, Denmark Hill, London, UK. Electronic address: irene.higginson@kcl.ac.uk.
- Lancet Respir Med. 2014 Dec 1;2(12):979-87.
BackgroundBreathlessness is a common and distressing symptom, which increases in many diseases as they progress and is difficult to manage. We assessed the effectiveness of early palliative care integrated with respiratory services for patients with advanced disease and refractory breathlessness.MethodsIn this single-blind randomised trial, we enrolled consecutive adults with refractory breathlessness and advanced disease from three large teaching hospitals and via general practitioners in South London. We randomly allocated (1:1) patients to receive either a breathlessness support service or usual care. Randomisation was computer generated centrally by the independent Clinical Trials Unit in a 1:1 ratio, by minimisation to balance four potential confounders: cancer versus non-cancer, breathlessness severity, presence of an informal caregiver, and ethnicity. The breathlessness support service was a short-term, single point of access service integrating palliative care, respiratory medicine, physiotherapy, and occupational therapy. Research interviewers were masked as to which patients were in the treatment group. Our primary outcome was patient-reported breathlessness mastery, a quality of life domain in the Chronic Respiratory Disease Questionnaire, at 6 weeks. All analyses were by intention to treat. Survival was a safety endpoint. This trial is registered with ClinicalTrials.gov, number NCT01165034.FindingsBetween Oct 22, 2010 and Sept 28, 2012, 105 consenting patients were randomly assigned (53 to breathlessness support service and 52 to usual care). 83 of 105 (78%) patients completed the assessment at week 6. Mastery in the breathlessness support service group improved compared with the control (mean difference 0·58, 95% CI 0·01-1·15, p=0·048; effect size 0·44). Sensitivity analysis found similar results. Survival rate from randomisation to 6 months was better in the breathlessness support service group than in the control group (50 of 53 [94%] vs 39 of 52 [75%]) and in overall survival (generalised Wilcoxon 3·90, p=0·048). Survival differences were significant for patients with chronic obstructive pulmonary disease and interstitial lung disease but not cancer.InterpretationThe breathlessness support service improved breathlessness mastery. Our findings provide robust evidence to support the early integration of palliative care for patients with diseases other than cancer and breathlessness as well as those with cancer. The improvement in survival requires further investigation.FundingUK National Institute for Health Research (NIHR) and Cicely Saunders International.Copyright © 2014 Higginson et al. Open Access article distributed under the terms of CC BY. Published by .. All rights reserved.
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