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Background <p>Medication-overuse headache (MOH) is the most common secondary headache disorder, resulting from or leading to the frequent use of acute headache medications. Despite the availability of various treatment strategies, the optimal approach remains uncertain.</p> Objective <p>This network meta-analysis (NMA) aimed to evaluate the comparative efficacy of different strategies for managing MOH, focusing on reducing monthly headache days.</p> Methods <p>We systematically reviewed randomized controlled trials (RCTs) comparing withdrawal strategies, including bridging therapies, the use of concurrent migraine prevention drugs, and additional education, in adult patients diagnosed with MOH. The primary outcome was the reduction in monthly headache days. Eligible studies were analyzed using a random-effects NMA model, integrating both direct and indirect evidence. Treatments were ranked using p-scores, and risk of bias was assessed using the Cochrane risk of bias tool 2.0.</p> Results <p>Sixteen RCTs involving 3,000 participants were included. Compared to control, combination therapies, such as abrupt withdrawal with oral prevention and greater occipital nerve block and restriction of overused acute medication with oral prevention and Calcitonin gene-related peptide (CGRP) therapies, demonstrated the greatest efficacy, with reductions in monthly headache days of -10.6 (95% CI: [-15.03; -6.16]) and -8.47 (95% CI: [-12.78; -4.15]), respectively. Headache prevention strategies, including oral prevention (P), anti-calcitonin gene-related peptide (receptor) (CGRP(R)) therapies (A), and botulinum toxin (B) showed significant in reduction of monthly headache days, but no single initial prevention strategy demonstrates superior efficacy over the others. In contrast, abrupt withdrawal alone (W) showed no significant efficacy, with a mean difference of -2.77 (95% CI: [-5.74; 0.20]).</p> Conclusion <p>Combination therapies, including anti-CGRP(R) therapies and nerve blocks, appear to be the most effective strategies for MOH management, highlighting their potential as initial treatment options. While headache prevention strategies demonstrated similar efficacy, abrupt withdrawal alone was insufficient. The observed reduction in headache frequency after treatment suggests that strategies with greater efficacy may help lower the likelihood of MOH relapse.</p> Trial registration <p>PROSPERO, CRD 42024620487.</p>

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Network meta-analysis comparing efficacy of different strategies on medication-overuse headache

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年2月26日

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  • Prut Koonalintip,
  • Suppakorn Yamutai,
  • Suwanna Setthawatcharawanich,
  • Therdpong Thongseiratch,
  • Ply Chichareon,
  • Benjamin R. Wakerley

摘要

Background

Medication-overuse headache (MOH) is the most common secondary headache disorder, resulting from or leading to the frequent use of acute headache medications. Despite the availability of various treatment strategies, the optimal approach remains uncertain.

Objective

This network meta-analysis (NMA) aimed to evaluate the comparative efficacy of different strategies for managing MOH, focusing on reducing monthly headache days.

Methods

We systematically reviewed randomized controlled trials (RCTs) comparing withdrawal strategies, including bridging therapies, the use of concurrent migraine prevention drugs, and additional education, in adult patients diagnosed with MOH. The primary outcome was the reduction in monthly headache days. Eligible studies were analyzed using a random-effects NMA model, integrating both direct and indirect evidence. Treatments were ranked using p-scores, and risk of bias was assessed using the Cochrane risk of bias tool 2.0.

Results

Sixteen RCTs involving 3,000 participants were included. Compared to control, combination therapies, such as abrupt withdrawal with oral prevention and greater occipital nerve block and restriction of overused acute medication with oral prevention and Calcitonin gene-related peptide (CGRP) therapies, demonstrated the greatest efficacy, with reductions in monthly headache days of -10.6 (95% CI: [-15.03; -6.16]) and -8.47 (95% CI: [-12.78; -4.15]), respectively. Headache prevention strategies, including oral prevention (P), anti-calcitonin gene-related peptide (receptor) (CGRP(R)) therapies (A), and botulinum toxin (B) showed significant in reduction of monthly headache days, but no single initial prevention strategy demonstrates superior efficacy over the others. In contrast, abrupt withdrawal alone (W) showed no significant efficacy, with a mean difference of -2.77 (95% CI: [-5.74; 0.20]).

Conclusion

Combination therapies, including anti-CGRP(R) therapies and nerve blocks, appear to be the most effective strategies for MOH management, highlighting their potential as initial treatment options. While headache prevention strategies demonstrated similar efficacy, abrupt withdrawal alone was insufficient. The observed reduction in headache frequency after treatment suggests that strategies with greater efficacy may help lower the likelihood of MOH relapse.

Trial registration

PROSPERO, CRD 42024620487.