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Blood pressure elevations in riluzole-treated patients with amyotrophic lateral sclerosis
1Department of Neurology, Beth Israel Medical Center, New York, NY, USA. SScelsa@BethIsrealNY.org
Objective:
To determine whether riluzole is associated with blood pressure elevations in patients with amyotrophic lateral sclerosis (ALS).
Background:
Though previously reported, hypertension is not considered a frequent adverse effect of riluzole.
Methods:
We reviewed data from 35 consecutive ALS patients on riluzole, and 88 randomly selected controls without and 20 patients with ALS who were not on riluzole.
Results:
A significantly greater number of ALS patients on riluzole had blood pressure elevations (28 of 35 patients) compared to controls (26 of 88, p<0.001; 8 of 20, p = 0. 007). Median systolic and diastolic blood pressures were both significantly higher in riluzole-treated (140/86 mm Hg) than in control patients without ALS (120/70 mm Hg, p<0.001). Systolic, but not diastolic, blood pressures were significantly higher in riluzole-treated patients than in controls with ALS (126 mm Hg, p = 0.002).
Conclusions:
Riluzole treatment may be associated with mild blood pressure elevations. Future prospective trials of riluzole should closely assess hypertension.