1989
DOI: 10.1212/wnl.39.2.284
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Nifedipine in the prophylaxis of classic migraine

Abstract: Twenty-four patients with classic migraine attacks were treated with either nifedipine or placebo for up to 12 weeks. No significant differences were observed between the nifedipine (2.1 +/- 0.2) and placebo (2.3 +/- 0.2) treatment groups in the monthly frequency of headaches. However, the incidence of side effects was significantly greater (p less than 0.001) in the nifedipine (54% of patients) than in the placebo (8% of patients) treatment groups.

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Cited by 35 publications
(11 citation statements)
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“…The evidence for nifedipine was difficult to interpret. Two comparisons with placebo yielded similar effect sizes that were statistically insignificant, but the 95% confidence intervals associated with these estimates were large and did not exclude either a clinically important benefit or harm associated with nifedipine (128, 129). Similarly ambiguous results were reported in one comparison with flunarizine (130) and two comparisons with propranolol (20, 131).…”
Section: Clinical Trialsmentioning
confidence: 99%
“…The evidence for nifedipine was difficult to interpret. Two comparisons with placebo yielded similar effect sizes that were statistically insignificant, but the 95% confidence intervals associated with these estimates were large and did not exclude either a clinically important benefit or harm associated with nifedipine (128, 129). Similarly ambiguous results were reported in one comparison with flunarizine (130) and two comparisons with propranolol (20, 131).…”
Section: Clinical Trialsmentioning
confidence: 99%
“…Beginning in 1981, a variety of clinical studies have demonstrated that calcium channel blockers may be effective in migraine phrophylaxis, although more recent data suggest that these drugs may not be as efficacious as initially reported. 29,30 It should also be stressed that none of these agents has been specifically approved for use in migraine in the United States. In addition, side effects can be expected to develop in up to 60% of the patients and usually consist of constipation, orthostatic hypotension and red, swollen feet.…”
Section: -Ht Receptormentioning
confidence: 99%
“…25 A high incidence of vascular side effects has also been reported in other studies of nifedipine in migraine. 4,14 This suggests that migraine patients may be particularly sensitive to nifedipine induced vasodilatation. This could be explained by an underlying defect in vasomotor control in migraine patients.…”
Section: Discussionmentioning
confidence: 99%
“…[9][10] However, there are only a few reports based on small numbers of patients which address the effectiveness of nifedipine for migraine. 4,[11][12][13][14] The goal of the present study was to compare the effectiveness of nifedipine to that of propranolol in the initial prophylaxis of migraine headache. Pro-pranolol was chosen as the comparison agent for nifedipine since it has been consistently demonstrated to be effective in approximately 50 to 75% of migraineurs.…”
Section: Introductionmentioning
confidence: 99%