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Review
. 2024 Feb;15(2):100163.
doi: 10.1016/j.advnut.2023.100163. Epub 2023 Dec 16.

High Dosage Omega-3 Fatty Acids Outperform Existing Pharmacological Options for Migraine Prophylaxis: A Network Meta-Analysis

Affiliations
Review

High Dosage Omega-3 Fatty Acids Outperform Existing Pharmacological Options for Migraine Prophylaxis: A Network Meta-Analysis

Ping-Tao Tseng et al. Adv Nutr. 2024 Feb.

Abstract

Migraine is a highly prevalent neurologic disorder with prevalence rates ranging from 9% to 18% worldwide. Current pharmacologic prophylactic strategies for migraine have limited efficacy and acceptability, with relatively low response rates of 40% to 50% and limited safety profiles. Eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) are considered promising therapeutic agents for migraine prophylaxis. The aim of this network meta-analysis (NMA) was to compare the efficacy and acceptability of various dosages of EPA/DHA and other current Food and Drug Administration-approved or guideline-recommended prophylactic pharmacologic interventions for migraine. Randomized controlled trials (RCTs) were eligible for inclusion if they enrolled participants with a diagnosis of either episodic or chronic migraine. All NMA procedures were conducted under the frequentist model. The primary outcomes assessed were 1) changes in migraine frequency and 2) acceptability (i.e., dropout for any reason). Secondary outcomes included response rates, changes in migraine severity, changes in the frequency of using rescue medications, and frequency of any adverse events. Forty RCTs were included (N = 6616; mean age = 35.0 y; 78.9% women). Our analysis showed that supplementation with high dosage EPA/DHA yields the highest decrease in migraine frequency [standardized mean difference (SMD): -1.36; 95% confidence interval (CI): -2.32, -0.39 compared with placebo] and the largest decrease in migraine severity (SMD: -2.23; 95% CI: -3.17, -1.30 compared with placebo) in all studied interventions. Furthermore, supplementation with high dosage EPA/DHA showed the most favorable acceptability rates (odds ratio: 1.00; 95% CI: 0.06, 17.41 compared with placebo) of all examined prophylactic treatments. This study provides compelling evidence that high dosage EPA/DHA supplementation can be considered a first-choice treatment of migraine prophylaxis because this treatment displayed the highest efficacy and highest acceptability of all studied treatments. This study was registered in PROSPERO as CRD42022319577.

Keywords: DHA; EPA; migraine; network meta-analysis; polyunsaturated fatty acid; prevention.

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Figures

FIGURE 1
FIGURE 1
Flowchart of the current network meta-analysis.
FIGURE 2
FIGURE 2
Network structure of the primary outcomes: (A) changes in migraine frequency and (B) acceptability in dropout rate. The lines between nodes represent direct comparisons in various trials, and the size of each circle is proportional to the size of the population involved in each specific treatment. The thickness of the lines is proportional to the number of trials connected to the network. Ami, amitriptyline; AmLowPUFA, low dosage n-3 PUFA + amitriptyline; Can, candesartan; Cyc, cyclandelate; HighPUFA, high dosage n-3 PUFA; Lam, lamotrigine; Lis, lisinopril; Max, Maxepa (ω-3 polyunsaturated fatty acids, eicosapentaenoic acid/docosahexaenoic acid: 180 mg/120 mg × 6 pills); MedPUFA, medium dosage n-3 PUFA; Nor, nortriptyline; Pla, Placebo; Pro, propranolol; PUFA, polyunsaturated fatty acid; ToN, topiramate + nortriptyline; Top, topiramate; TPr, topiramate + propranolol; Val, valproate; VaLowPUFA, low dosage n-3 PUFA + valproate; Ven, venlafaxine
FIGURE 3
FIGURE 3
Forest plot of the primary outcomes with reference to placebo: (A) changes in migraine frequency and (B) acceptability in dropout rate. Specific treatments were associated with (A) better improvement in migraine frequency than the placebo if the standardized mean difference was <0 or (B) better acceptability in dropout rate than the placebo if the odds ratio was < 1. Ami, amitriptyline; AmLowPUFA, low dosage n-3 PUFA + amitriptyline; Can, candesartan; Cyc, cyclandelate; HighPUFA, high dosage n-3 PUFA; Lam, lamotrigine; Lis, lisinopril; Max, Maxepa (ω-3 polyunsaturated fatty acids, eicosapentaenoic acid/docosahexaenoic acid: 180 mg/120 mg × 6 pills); MedPUFA, medium dosage n-3 PUFA; Nor, nortriptyline; Pla, Placebo; Pro, propranolol; PUFA, polyunsaturated fatty acid; ToN, topiramate + nortriptyline; Top, topiramate; TPr, topiramate + propranolol; Val, valproate; VaLowPUFA, low dosage n-3 PUFA + valproate; Ven, venlafaxine.

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