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Amlodipine monotherapy vs. amlodipine-ARB combination therapy as first-line treatment for primary hypertension: a

Yusra Pintaningrum1, Claresta Salsabila Putri Evianto1, Romi Ermawan1

  • 1Faculty of Medicine and Health Sciences, University of Mataram, Mataram, Indonesia.

Insights

Combination therapy with amlodipine and an angiotensin receptor blocker (ARB) significantly improves blood pressure control compared to amlodipine monotherapy. This combination also shows a trend towards fewer adverse events in patients with primary hypertension.

Area of Science:

  • Cardiology
  • Pharmacology
  • Clinical Trials

Background:

  • Clinical guidelines suggest combination antihypertensive therapy over monotherapy.
  • Many hypertension patients need multiple drugs for target blood pressure.
  • The comparative risks and benefits of combination vs. monotherapy initiation are unclear.

Purpose of the Study:

  • To compare amlodipine monotherapy with first-line amlodipine and ARB combination therapy.
  • To assess blood pressure control efficacy.
  • To evaluate drug-related adverse events in primary hypertension.

Main Methods:

  • Systematic review and meta-analysis of randomized controlled trials.
  • Searched PubMed, PubMed Central, and Cochrane Library up to November 15, 2025.
  • Included trials comparing amlodipine monotherapy vs. amlodipine + ARB combination therapy for ≥8 weeks.

Main Results:

  • Combination therapy showed a 2.25-fold higher odds ratio for blood pressure control (P < 0.00001).
  • The risk ratio for adverse events was 0.93, indicating no statistically significant difference (P = 0.24).
  • Six studies were included in the meta-analysis.

Conclusions:

  • Combination therapy with a Calcium Channel Blocker (CCB) and an ARB significantly increases the likelihood of achieving blood pressure control.
  • Combination therapy demonstrated a trend towards lower drug-related adverse events compared to CCB monotherapy.
  • This suggests combination therapy may be a more effective first-line approach for hypertension management.
Abstract

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