학술논문

Impact of vitamin C on the reduction of opioid consumption after an emergency department visit for acute musculoskeletal pain: a double-blind randomised control trial protocol.
Document Type
Academic Journal
Author
Daoust R; Département de Médecine Familiale et de Médecine d'Urgence, Université de Montréal, Montreal, Quebec, Canada raoul.daoust@umontreal.ca.; Study Center in Emergency Medicine, Hopital du Sacre-Coeur de Montreal Centre de Recherche, Montreal, Quebec, Canada.; Centre de Recherche, Hopital du Sacre-Coeur de Montreal, Montreal, Quebec, Canada.; Paquet J; Study Center in Emergency Medicine, Hopital du Sacre-Coeur de Montreal Centre de Recherche, Montreal, Quebec, Canada.; Chauny JM; Département de Médecine Familiale et de Médecine d'Urgence, Université de Montréal, Montreal, Quebec, Canada.; Study Center in Emergency Medicine, Hopital du Sacre-Coeur de Montreal Centre de Recherche, Montreal, Quebec, Canada.; Williamson D; Centre de Recherche, Hopital du Sacre-Coeur de Montreal, Montreal, Quebec, Canada.; Faculté de Pharmacie, Université de Montréal, Montreal, Quebec, Canada.; Huard V; Département de Médecine Familiale et de Médecine d'Urgence, Université de Montréal, Montreal, Quebec, Canada.; Study Center in Emergency Medicine, Hopital du Sacre-Coeur de Montreal Centre de Recherche, Montreal, Quebec, Canada.; Centre de Recherche, Hopital du Sacre-Coeur de Montreal, Montreal, Quebec, Canada.; Arbour C; Centre de Recherche, Hopital du Sacre-Coeur de Montreal, Montreal, Quebec, Canada.; Faculté des sciences infirmières, Université de Montréal, Montréal, Québec, Canada.; Emond M; Department of Family and Emergency Medicine, Universite Laval, Quebec, Quebec, Canada.; Rouleau D; Centre de Recherche, Hopital du Sacre-Coeur de Montreal, Montreal, Quebec, Canada.; Cournoyer A; Département de Médecine Familiale et de Médecine d'Urgence, Université de Montréal, Montreal, Quebec, Canada.; Study Center in Emergency Medicine, Hopital du Sacre-Coeur de Montreal Centre de Recherche, Montreal, Quebec, Canada.; Centre de Recherche, Hopital du Sacre-Coeur de Montreal, Montreal, Quebec, Canada.
Source
Publisher: BMJ Publishing Group Ltd Country of Publication: England NLM ID: 101552874 Publication Model: Electronic Cited Medium: Internet ISSN: 2044-6055 (Electronic) Linking ISSN: 20446055 NLM ISO Abbreviation: BMJ Open Subsets: MEDLINE
Subject
Language
English
Abstract
Introduction: Recent evidence has shown that vitamin C has some analgesic properties in addition to its antioxidant effect and can, therefore, reduce opioid use during recovery time. Vitamin C analgesic effect has been explored mostly during short-term postoperative context or in disease-specific chronic pain prevention, but never after acute musculoskeletal injuries, which are often seen in the emergency department (ED). The protocol's primary aim is to compare the total morphine 5 mg pills consumed during a 2-week follow-up between patients receiving vitamin C or a placebo after ED discharge for an acute musculoskeletal pain complaint.
Methods and Analysis: We will conduct a two-centre double-blind randomised placebo-controlled trial with 464 participants distributed in two arms, one group receiving 1000 mg of vitamin C two times a day for 14 days and another one receiving a placebo. Participants will be ≥18 years of age, treated in ED for acute musculoskeletal pain present for less than 2 weeks and discharged with an opioid prescription for home pain management. Total morphine 5 mg pills consumed during the 2-week follow-up will be assessed via an electronic (or paper) diary. In addition, patients will report their daily pain intensity, pain relief, side effects and other types of pain medication or other non-pharmacological approach used. Three months after the injury, participants will also be contacted to evaluate chronic pain development. We hypothesised that vitamin C, compared with a placebo, will reduce opioid consumption during a 14-day follow-up for ED discharged patients treated for acute musculoskeletal pain.
Ethics and Dissemination: This study has received approval from the Ethics Review Committee from the 'Comité d'éthique de la recherche du CIUSSS du Nord-de-l'Île-de-Montréal (No 2023-2442)'. Findings will be disseminated through scientific conferences and peer-reviewed journal publication. The data sets generated during the study will be available from the corresponding author on reasonable request.
Trial Registration Number: NCT05555576 ClinicalTrials.Gov PRS.
Competing Interests: Competing interests: None declared.
(© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)