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Long-term tolerability of telcagepant for acute treatment of migraine in a randomized trial.

Abstract：

OBJECTIVE:To evaluate the long-term tolerability of telcagepant for acute treatment of intermittent migraine attacks. Background.- Telcagepant is a calcitonin gene-related peptide (CGRP) receptor antagonist being investigated for the acute treatment of migraine. METHODS:Migraine patients were randomized 2:1 to double-blind treatment with telcagepant 280/300 mg or rizatriptan 10 mg for an acute mild, moderate, or severe migraine. Patients could administer a second dose within 2-24 hours for nonresponse or migraine recurrence. Patients could treat up to 8 attacks per month for up to 18 months. Safety assessments included spontaneous reports of adverse events and collection of vital signs, electrocardiograms, and laboratory assessments. The primary endpoint was the percentage of patients with ≥ 1 triptan-related adverse events in the 14-day period post dose. RESULTS:Of 1068 patients randomized, 641 (90%) patients treated ≥ 1 attack with telcagepant and 313 (88%) treated ≥ 1 attack with rizatriptan. A total of 19,820 attacks were treated with telcagepant (mean per patient = 31) and 10,981 with rizatriptan (mean per patient = 35). Fewer triptan-related adverse events (difference: -6.2%; 95% CI -10.4, -2.6; P < .001) and drug-related adverse events (difference: -15.6%; 95% CI -22.2, -9.0) were reported for telcagepant vs rizatriptan. The most common adverse events appeared to have generally similar incidence proportions between the treatment groups. Those with an incidence > 5% in the telcagepant group were dry mouth (9.7%, rizatriptan = 13.7%), somnolence (9.2%, rizatriptan = 16.6%), dizziness (8.9%, rizatriptan = 10.2%), and nausea (9.0%, rizatriptan = 6.4%). CONCLUSIONS:Telcagepant was generally well tolerated when administered for the acute intermittent treatment of migraine for up to 18 months. The incidences of triptan-related and drug-related adverse events favored telcagepant over rizatriptan.

journal_name

Headache

journal_title

Headache

authors

Connor KM,Aurora SK,Loeys T,Ashina M,Jones C,Giezek H,Massaad R,Williams-Diaz A,Lines C,Ho TW

doi

10.1111/j.1526-4610.2010.01799.x

subject

Has Abstract

pub_date

2011-01-01 00:00:00

pages

73-84

issue

eissn

0017-8748

issn

1526-4610

journal_volume

pub_type

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Long-term tolerability of telcagepant for acute treatment of migraine in a randomized trial.