EFFICACY OF ONCE-DAILY AMLODIPINE IN THE CONTROL OF 24-HOUR BLOOD PRESSURE USING AMBULATORY BLOOD PRESSURE MONITORING
EFFICACY OF ONCE-DAILY AMLODIPINE IN THE CONTROL OF 24-HOUR BLOOD PRESSURE USING AMBULATORY BLOOD PRESSURE MONITORING
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Date
1995-11-11
Authors
Hasan Abu-Aisha
SAMEER HURAIB
AKRAM ASKAR
JAMAL AL-WAKEEL
AHMAD MITWALLI
SULIMAN AL-MAJED
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Abstract
To evaluate the efficacy, tolerance, and acceptance of once-daily amlodipine
in the control of 24-hour blood pressure (BP), we conducted
an open-label, uncontrolled trial in 20 patients (17 men and 3 women)
with mild-to-moderate hypertension and without evidence of secondary
hypertension except as a result of nephropathy. A 2-week washout
placebo period was followed by a 12-week period of active treatment.
The starting dose of amiodipine was 5 mg once daily; this was increased
to 10 mg once daily if BP was not controlled within 6 weeks of
starting treatment. Clinic and ambulatory BP measurements were
obtained before starting active treatment (week 0) and then at 6 and 12
weeks after the start of treatment. The mean age (±SD) was 49.2 ±
13.7 years. Mean clinic systolic BP fell from 162.4 ± 15.4 mm Hg at
week 0 to 136.8 ± 8.7 mm Hg at week 12. Clinic diastolic BP fell from
102.8 ± 5.1 mm Hg at week 0 to 81.3 ± 6.1 mm Hg at week 12, Ambulatory
systolic BP fell from 147.8 ± 8.8 mm Hg at week 0 to 136.0 ±
10.6 mm Hg at week 12. Ambulatory diastolic BP fell from 90.4 ± 4.5
mm Hg at week 0 to 81.0 ± 5.0 mm Hg at week 12. There was a
significant reduction in systolic BP between week 0 and week 6 (P --
0.0001), as well as between week 0 and week 12 (P = 0.0008). Similarly,
significant reductions were obtained in diastolic BP between week 0
and week 6 (P = 0.0002), as well as between week 0 and week 12 (P =
0.001). The drug amlodipine was well tolerated and well accepted by
patients. The results indicate that monotherapy with amlodipine 5 mg
once daily is effective in controlling BP over a 24-hour period.
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Citation
Huraib, S., Askar, A., Abu-Aisha, H., Al-Wakeel, J., Mitwalli, A. and Al-Majed, S., 1995. Efficacy of once-daily amlodipine in the control of 24-hour blood pressure using ambulatory blood pressure monitoring. Current therapeutic research, 56(11), pp.1125-1131.