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- Title
IM ketorolac vs diclofenac potassium powder for oral solution for the acute treatment of severe migraine: a randomized controlled trial.
- Authors
Engel, Emily Rubenstein; Cheng, Joshua
- Abstract
<bold>Background: </bold>Diclofenac potassium for oral solution (CAMBIA®) may be an alternative for patients who would otherwise need to be seen in a healthcare setting for parenteral ketorolac. CAMBIA® is FDA-approved for the abortive treatment of migraine and has demonstrated superiority over generic diclofenac tablets with rapid migraine reduction. This study assessed for efficacy of CAMBIA® as an alternative outpatient treatment for refractory migraine to parenteral ketorolac.<bold>Methods: </bold>We performed an exploratory, single-center, double-blind, double-dummy randomized controlled trial comparing CAMBIA® with IM ketorolac. Participants were randomized to receive either ketorolac 60 mg IM with dummy oral solution or CAMBIA® 50 mg, together with IM injection of normal saline. The primary endpoint was headache severity, self-rated on a scale 0-3. Secondary endpoints included self-rated nausea, disability, and photo- or phonophobia, as well as presence of side effects and need for additional rescue therapy.<bold>Results: </bold>A total of 23 patients were enrolled. Ten patients received the study drug and 13 patients received IM ketorolac as the control. There were no major differences observed with respect to the primary outcome of mean headache severity at successive time points over a 24-h follow-up period. No major differences were found with respect to average disability, nausea, and photo- or phonophobia ratings. No major adverse events were reported.<bold>Conclusion: </bold>In treatment of refractory migraine headache, CAMBIA® may provide similar benefits as IM ketorolac without increasing the risk of treatment failure, major bleeding, or cardiovascular events. However, larger studies are needed to confirm this finding.<bold>Trial Registration: </bold>Clinicaltrials.gov: NCT # 02664116, Titled "IM Ketorolac vs Diclofenac Potassium Powder for Oral Solution (CAMBIA®) for the Acute Treatment of Severe Migraine". Registered 26 January 2016, https://clinicaltrials.gov/ct2/show/NCT02664116?term=02664116&rank=1.
- Subjects
DELHI (India); UNITED States. Food &; Drug Administration; RANDOMIZED controlled trials; MIGRAINE; POTASSIUM; CARDIOVASCULAR diseases; SALINE injections; POSTOPERATIVE nausea &; vomiting; MIGRAINE complications; HYPERACUSIS; NAUSEA; DICLOFENAC; ORAL drug administration; SEVERITY of illness index; INTRAMUSCULAR injections; BLIND experiment; RESEARCH funding; VISION disorders; SOLUTION (Chemistry); ENZYME inhibitors; KETOROLAC; POWDERS; ACUTE diseases; LONGITUDINAL method; PHARMACODYNAMICS
- Publication
Neurological Sciences, 2020, Vol 41, Issue 3, p537
- ISSN
1590-1874
- Publication type
journal article
- DOI
10.1007/s10072-019-04157-y