scholarly journals Efficacy of Calcitonin Gene-Related Peptide Antagonists in the Treatment of Acute Migraine: A Systematic Review and Meta-analysis

2019 ◽  
Vol 53 (1) ◽  
Author(s):  
Kristina M. Canlas ◽  
Regina A. Macalintal-Canlas ◽  
Fumihiko Sakai
Keyword(s):  
Pain Relief ◽  
Meta Analysis ◽  
Calcitonin Gene Related Peptide ◽  
Acute Migraine ◽  
Post Dose ◽  
Related Peptide ◽  
Randomized Controlled ◽  
Superior Efficacy ◽  
Calcitonin Gene ◽  
The Difference

Objective. This study determined the efficacy of calcitonin gene-related peptide (CGRP) antagonists in the treatment of acute migraine. Methods. Seven randomized, controlled trials were included. Outcome measures used were pain freedom and pain relief two hours after treatment. Results. The difference in pain freedom 2 hours post-dose significantly favored gepants 140/150 mg (OR=2.39, 95% CI=1.93-2.96, P<0.00001) and 280/300 mg (OR=2.94, 95% CI=2.44-3.35, P<0.00001) over placebo, while the difference in pain freedom 2 hours post- dose did not significantly favor triptans over gepants 140/150 mg and vice versa (OR=0.62, 95% CI=0.32-1.21, P=0.16) and over gepants 280/300 mg (OR=0.86, 95% CI=0.64-1.15, P=0.34). The difference in pain relief 2 hours post-dose significantly favored gepants 140/150 mg (OR=2.49, 95% CI=2.13-2.91, P<0.00001) and 280/300 mg (OR=2.78, 95% CI=2.41-3.21, P<0.00001) over placebo. The difference in pain relief 2 hours post-dose significantly favored triptans over gepants 140/150 mg (OR=0.73, 95% CI=0.56-0.96, P=0.03), but not over gepants 280/300 mg and vice versa (OR=0.98, 95% CI=0.76-1.27, P=0.89). Conclusion. With regard to pain freedom and pain relief two hours post-dose, CGRP antagonists are more efficacious than placebo in the treatment of acute migraine but there is insufficient evidence to demonstrate superior efficacy of CGRP antagonists over triptans.

scholarly journals Effect of Calcitonin Gene-Related Peptide Receptor Antagonists on Migraine Treatment: A Meta-Analysis

2021 ◽  
Author(s):  
Jiyoung Kim ◽  
Kyoungjune Pak ◽  
Gha-Hyun Lee ◽  
Jae Wook Cho ◽  
Hyun-Woo kim
Keyword(s):  
Meta Analysis ◽  
Calcitonin Gene Related Peptide ◽  
Migraine Treatment ◽  
Acute Migraine ◽  
Cgrp Receptor ◽  
Receptor Antagonists ◽  
Related Peptide ◽  
Calcitonin Gene ◽  
Cgrp Receptor Antagonists ◽  
Acute Migraine Treatment

Abstract Background: The pathophysiology of migraine has been researched incessantly, and it has been suggested that calcitonin gene-related peptide (CGRP) is associated with migraine attacks. CGRP receptor blockers are attracting attention for migraine prevention and treatment of acute episodes, and CGRP receptor antagonists have been shown to be effective in treating acute migraine headaches. This meta-analysis aimed to assess the effect of available CGRP receptor antagonists, focusing on their therapeutic doses for acute migraine treatment.Methods: We performed a systematic search of MEDLINE (from inception to March 2021) and EMBASE (from inception to March 2021) for English publications using the keywords “migraine” and “Calcitonin gene-related peptide,” limited to human studies.Results: Five studies that focused on examining the effects of CGRP receptor antagonists on acute migraine treatment met the eligibility criteria for this meta-analysis. The pooled analysis demonstrated that the CGRP receptor antagonist improved freedom from pain (OR=2.066, 95% confidence interval [CI] 1.766–2.418, I2=0%), absence of bothersome symptoms (OR=1.606, 95% CI=1.408–1.830, I2=0%), pain relief (OR=1.791, 95% CI=1.598–2.008, I2=0%), and freedom from nausea (OR=1.361, 95% CI=1.196–1.548, I2=0%), significantly more than the placebo. Conclusions: CGRP receptor antagonists are effective for acute migraine treatment and are expected to be used clinically as emerging therapeutic agents.

scholarly journals Telcagepant: A New Therapeutic Option for Acute Migraine?

2011 ◽  
Vol 3 ◽  
pp. CMT.S7477 ◽  
Author(s):  
E. Anne MacGregor
Keyword(s):  
Clinical Data ◽  
Therapeutic Option ◽  
Calcitonin Gene Related Peptide ◽  
Potential Treatment ◽  
Acute Migraine ◽  
Related Peptide ◽  
Calcitonin Gene

Telcagepant (MK0974) is one of several calcitonin-gene-related peptide antagonists in development as a potential treatment for acute migraine attacks and is the first orally available drug in this class. Preclinical and clinical data are reviewed, which support the efficacy and tolerability of telcagepant for the treatment of migraine, particularly for patients unable to tolerate, or who have cardiovascular contraindications to, triptans.

scholarly journals A Short on Ubrogepant

2021 ◽  
pp. 79-81
Author(s):  
S. Padmaja ◽  
J. Mohan
Keyword(s):  
Receptor Antagonist ◽  
Research Process ◽  
Calcitonin Gene Related Peptide ◽  
Review Article ◽  
Acute Migraine ◽  
Cgrp Receptor ◽  
Related Peptide ◽  
Calcitonin Gene ◽  
Acute Attacks ◽  
Cgrp Receptor Antagonist

Migraine is a mysterious disorder characterized by pulsating head ache, which is actually characterized to one side and comes in attacks which will be lasting for about 3-48 hours and can be associated with nausea,vomiting,sensitivity to sound,flashes of light,vertigoand diarrhoea [1]. Most of the drugs which are in current use for actue migraine like triptans, treats the disorder symptomatically. A novel group of drugs has been in research for the migraine which treats the disorder pathologically. Calcitonin gene – related peptide (CGRP) has a major role in the pathophysiology of the disorder and hence CGRP receptor antagonist, known as Gepants are in the research process [2]. Gepants are being studied for the efficacy of treating acute migraine [2]. This article will be a review article about the drug – Ubrogepant, which is approved for treatment of migraine with acute attacks in adults [3].

scholarly journals Rimegepant: first novel oral calcitonin gene-related peptide inhibitor for migraine

2020 ◽  
Vol 9 (5) ◽  
pp. 829
Author(s):  
Saravana Kumar Ramasubbu ◽  
Senkadhirdasan Dakshinamurthy ◽  
Sarika Palepu ◽  
Arkapal Bandyopadhyay ◽  
Sathish Kumar Rajendran
Keyword(s):  
Area Under The Curve ◽  
Cardiovascular Effects ◽  
Calcitonin Gene Related Peptide ◽  
Causative Role ◽  
Acute Migraine ◽  
Related Peptide ◽  
Calcitonin Gene ◽  
Effective Option ◽  
Inflammatory Drugs ◽  
Cgrp Antagonist

Migraine is a neurological condition characterized by intense, debilitating headaches. Symptoms may include nausea, vomiting, numbness or tingling, sensitivity to light and sound. There are multitude of drugs available to treat migraine like triptans, non-steroidal anti-inflammatory drugs, ergots and opioids. But these drugs are associated with adverse effects especially triptans causing cardiovascular effects limiting its use. During last decade, calcitonin gene-related peptide (CGRP) has emerged as a possible mechanism for management of migraine. CGRP has been shown to release during episode of migraine attack and it may play a causative role in induction of migraine. Rimegepant is a novel CGRP antagonist has been approved by FDA for treatment of acute migraine. Rimegepant is a first oral CGRP antagonist compared to other gepants. The oral bioavailability of Rimegepant is 64% and high fat meal can decrease the Cmax, Tmax and area under the curve. This drug is mainly metabolized by CYP3A4 and to lesser extent by CYP2C9. Most common adverse reactions associated with this drug were nausea and urinary tract infection. Clinical trials for Rimegepant have been positive, and results suggest that the drug may be a new safe and effective option for treatment of acute migraine.

Safety and tolerability of calcitonin-gene-related peptide binding monoclonal antibodies for the prevention of episodic migraine – a meta-analysis of randomized controlled trials

Cephalalgia ◽  
2019 ◽  
Vol 39 (9) ◽  
pp. 1164-1179 ◽  
Author(s):  
Da Xu ◽  
Deng Chen ◽  
Li-na Zhu ◽  
Ge Tan ◽  
Hai-jiao Wang ◽  
...  
Keyword(s):  
Monoclonal Antibodies ◽  
Adverse Events ◽  
Injection Site ◽  
Meta Analysis ◽  
Peptide Binding ◽  
Episodic Migraine ◽  
Calcitonin Gene Related Peptide ◽  
Serious Adverse Events ◽  
Related Peptide ◽  
Calcitonin Gene

Aim To systematically evaluate the safety and tolerability of calcitonin-gene-related peptide binding monoclonal antibodies from the results of randomized controlled trials. Methods Online databases were searched on calcitonin-gene-related peptide binding monoclonal antibodies for the prevention of episodic migraine. Overall withdrawal, withdrawal due to adverse events, adverse events, serious adverse events and specific adverse events were extracted from the included studies. A meta-analysis was performed with Revman 5.3.0 software. Results Ten studies that investigated four drugs (galcanezumab, erenumab, fremanezumab and eptinezumab) with 5817 participants were included in this study. Serious adverse events, overall withdrawals, withdrawal due to adverse events and any adverse events were not significantly associated with monoclonal antibody treatment. Injection site pain and erythema were significantly higher in the calcitonin-gene-related peptide binding monoclonal antibodies treatment group than in the placebo group. The rates of serious adverse events were significantly higher in the galcanezumab 120 mg group. Injection site erythema was associated with galcanezumab 120 mg and 240 mg. Injection site pain and nasopharyngitis were associated with galcanezumab 150 mg and 5 mg, respectively. Overall adverse events were significantly higher with erenumab 70 mg and 140 mg. Treatment-related adverse events were significantly higher with fremanezumab 225 mg/month and 675 mg/quarter. Conclusions This study provides data on the safety and tolerability profiles of calcitonin-gene-related peptide binding monoclonal antibodies and confirms their potential use as preventive treatments for episodic migraine. In addition to the acceptable withdrawal rates, serious adverse events were rare, and the severity of most adverse events was mild to moderate. Injection site reaction may be the major adverse event associated with galcanezumab.

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