Effectiveness of the Combination of Enalapril and Nifedipine for the Treatment of Hypertension versus Empirical Treatment in Primary Care Patients

Humberto Badillo-Alonso, Marisol Martínez-Alanis, Ramiro Sánchez-Huesca, Abel Lerma, Claudia Lerma

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Hypertension in Mexico has a prevalence of 32% and is the second most widespread cause of consultation in primary care. Only 40% of patients in treatment have a blood pressure (BP) below 140/90 mmHg. This clinical trial aimed to compare the effectiveness of the combination of enalapril and nifedipine versus the empirical treatment for hypertension in patients with uncontrolled BP in a primary care center in Mexico City. Participants were randomized to treatment with enalapril and nifedipine (combination group) or to continue with the empirical treatment. Outcome variables were BP control, therapeutic adherence, and adverse effects at 6 months of follow-up. At the end of the follow-up period, BP control (64% versus 77%) and therapeutic adherence (53% versus 93%) showed an improvement from the baseline values in the group that received the combination treatment. BP control (51% versus 47%) and therapeutic adherence (64% versus 59%) in the group who received the empirical treatment did not show improvement from the baseline to follow-up. Combined treatment was 31% more efficacious than conventional empirical treatment (odds ratio = 3.9), which yielded an incremental clinical utility of 18% with high tolerability extent among patients in primary care in Mexico City. These results contribute to the control of arterial hypertension.

Original languageEnglish
Article number243
JournalJournal of Cardiovascular Development and Disease
Volume10
Issue number6
DOIs
StatePublished - 1 Jun 2023

Keywords

  • clinical trial
  • hypertension control
  • primary care

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