Key result
A fixed-dose combination of amlodipine and metoprolol extended release significantly reduced systolic blood pressure by a mean of 22.78 mmHg after 8 weeks in patients with mild to moderate hypertension.
Why the study?
Does a fixed-dose combination of amlodipine and metoprolol reduce blood pressure in adult Indian patients with mild to moderate hypertension?
Does a fixed-dose combination of amlodipine and metoprolol reduce blood pressure in adult Indian patients with mild to moderate hypertension?
Mean Difference: -22.78 (95% CI -24.83–-20.73)
p-value: p=<0.001
A fixed-dose combination of amlodipine and metoprolol is effective and well-tolerated for reducing blood pressure in Indian patients with mild to moderate hypertension.
Supports efficacy in Indian cohort with mild-moderate hypertension; leaves open need for randomized confirmation.
BACKGROUND: This open-labeled, post-marketing study was conducted to assess the efficacy and tolerability of fixed dose combination of amlodipine and metoprolol extended release capsules in mild to moderate hypertension in adult Indian patients. MATERIALS AND METHODS: Of 101 enrolled patients, 64 drug naïve patients were treated with regimen A (amlodipine 5 mg + metoprolol 25 mg) and those with prior history of hypertension (n = 37) were treated with regimen B (amlodipine 5 mg + metoprolol 50 mg) for 8 weeks. Treatment response was assessed at week 4 and 8. Dose up titration to regimen B was carried out for those who failed to achieve the target blood pressure (BP) at week 4 in regimen A and additional antihypertensives were added to those in regimen B. Safety laboratory tests were performed at baseline and end of study. RESULTS: Mean age (±SD) of patients was 53.36 (±11.26) years and body weight (±SD) 63.40 (10.03) kg. Ninety five patients (94.06%) were only hypertensive and 6 (5.94%) had hypertension with history of coronary artery disease; mean duration (±SD) of hypertension was 42.50 (48.07) months. At baseline, patients had a mean (±SD) systolic blood pressure (SBP) and diastolic blood pressure (DBP) of 154.98 (±7.76) mmHg and 95.55 (±5.70) mmHg respectively. There was a statistically significant (P < 0.001) reduction of 12.16% and 14.69% in SBP, 11.49% and 14.65% in DBP at week 4 and week 8 respectively, compared to baseline. Normalization of overall BP was achieved in 49.49% and 70.71% patients at week 4 and 8, respectively. Peripheral edema was reported in 2.97% (3/101) patients. CONCLUSION: This combination was safe, efficacious, and well-tolerated in study population.
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Moodahadu et al. (2013) studied essential hypertension (n=101). Fixed dose combination of amlodipine and metoprolol extended release was evaluated on Change in systolic blood pressure from baseline to week 8 (MD -22.78, 95% CI -24.83 to -20.73, p=<0.001). A fixed-dose combination of amlodipine and metoprolol extended release significantly reduced systolic blood pressure by a mean of 22.78 mmHg after 8 weeks in patients with mild to moderate hypertension.
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