Comparison between metamizole and triptans for migraine treatment: a systematic review and network meta-analysis

Authors

DOI:

https://doi.org/10.48208/HeadacheMed.2021.32

Keywords:

metamizole, triptans, migraine, headache, tension-type headache, dipyrone

Abstract

Objective
 The aim of this systematic review was to evaluate the efficacy of metamizole and triptans for the treatment of migraine.
Methods
Randomized controlled trials including people who received metamizole or triptan by multiple routes of administration and at all doses as treatment compared to subjects who received another treatment or placebo were included in the systematic review. The primary outcomes were freedom from pain at 2 hours; pain relief at 2 hours; sustained headache response at 24 hours; sustained freedom from pain at 24 hours. The statistical analysis of all interventions of interest were based on random effect models compared through a network meta-analysis. Results
 209 studies meeting the inclusion and exclusion criteria were analyzed. Of these, 130 had data that could be analyzed statistically. Only 3.0% provided enough information and were judged to have a low overall risk of bias for all categories evaluated; approximately 50% of the studies presented a low risk of selection bias. More than 75% of the studies presented a low risk of performance bias, and around 75% showed a low risk of detection and attrition bias.
Conclusion
There is no evidence of a difference between dipyrone and any triptan for pain freedom after 2 hours of medication. Our study suggests that metamizole may be equally effective as triptans in acute migraine treatment.

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Author Biography

Mario Fernando Prieto Peres, Instituto de Psiquiatria, Hospital das Clínicas da FMUSP

Pesquisador senior do Hospital Israelita Albert Einstein, professor da pós-graduação no Instituto de Psiquiatria da FMUSP e da FICSAE

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13/01/2022

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Peres MFP, Scala WAR, Salazar R. Comparison between metamizole and triptans for migraine treatment: a systematic review and network meta-analysis. HM [Internet]. 2022 Jan. 13 [cited 2022 Jul. 7];12(3):182-230. Available from: https://headachemedicine.com.br/index.php/hm/article/view/566

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