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Stepped-wedge randomised trial of laparoscopic ventral mesh rectopexy in adults with chronic constipation : study protocol for a randomized controlled trial
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Grossi, Ugo, Stevens, Natasha, McAlees, Eleanor, Lacy-Colson, Jon, Brown, Steven, Dixon, Anthony, Di Tanna, Gian Luca, Scott, S. Mark, Norton, Christine, Marlin, Nadine, Mason, James and Knowles, Charles H. (2018) Stepped-wedge randomised trial of laparoscopic ventral mesh rectopexy in adults with chronic constipation : study protocol for a randomized controlled trial. Trials, 19 (1). p. 90. doi:10.1186/s13063-018-2456-3
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Official URL: http://doi.org/10.1186/s13063-018-2456-3
Abstract
Laparoscopic ventral mesh rectopexy (LVMR) is an established treatment for external full-thickness rectal prolapse. However, its clinical efficacy in patients with internal prolapse is uncertain due to the lack of high-quality evidence. An individual level, stepped-wedge randomised trial has been designed to allow observer-blinded data comparisons between patients awaiting LVMR with those who have undergone surgery. Adults with symptomatic internal rectal prolapse, unresponsive to prior conservative management, will be eligible to participate. They will be randomised to three arms with different delays before surgery (0, 12 and 24 weeks). Efficacy outcome data will be collected at equally stepped time points (12, 24, 36 and 48 weeks). The primary objective is to determine clinical efficacy of LVMR compared to controls with reduction in the Patient Assessment of Constipation Quality of Life (PAC-QOL) at 24 weeks serving as the primary outcome. Secondary objectives are to determine: (1) the clinical effectiveness of LVMR to 48 weeks to a maximum of 72 weeks; (2) pre-operative determinants of outcome; (3) relevant health economics for LVMR; (4) qualitative evaluation of patient and health professional experience of LVMR and (5) 30-day morbidity and mortality rates. An individual-level, stepped-wedge, randomised trial serves the purpose of providing an untreated comparison for the active treatment group, while at the same time allowing the waiting-listed participants an opportunity to obtain the intervention at a later date. In keeping with the basic ethical tenets of this design, the average waiting time for LVMR (12 weeks) will be shorter than that for routine services (24 weeks). ISRCTN registry, ISRCTN11747152 . Registered on 30 September 2015. The trial was prospectively registered (first patient enrolled on 21 March 2016).
| Item Type: | Journal Article | ||||||
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| Divisions: | Faculty of Medicine > Warwick Medical School > Health Sciences > Population, Evidence & Technologies (PET) Faculty of Medicine > Warwick Medical School |
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| SWORD Depositor: | Library Publications Router | ||||||
| Journal or Publication Title: | Trials | ||||||
| Publisher: | Biomed Central | ||||||
| ISSN: | 1745-6215 | ||||||
| Official Date: | 5 February 2018 | ||||||
| Dates: |
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| Date of first compliant deposit: | 8 March 2018 | ||||||
| Volume: | 19 | ||||||
| Number: | 1 | ||||||
| Page Range: | p. 90 | ||||||
| DOI: | 10.1186/s13063-018-2456-3 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Publisher Statement: | ** From PubMed via Jisc Publications Router. ** History: received 09-11-2016; accepted 30-12-2017. | ||||||
| Access rights to Published version: | Open Access |
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