Anti-hypertensive medication adherence in the REQUIRE trial: post-hoc exploratory evaluation

Kazuomi Kario, Hisashi Kai, Shinsuke Nanto, Hiroyoshi Yokoi

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Maintaining medication adherence is important in treating hypertension, especially resistant hypertension (RH), and variable medication adherence can confound results in blood pressure trials. This post-hoc analysis evaluated adherence at baseline and 3 months using available urine samples from the REQUIRE trial, comparing 24-h ambulatory systolic blood pressure (ASBP) lowering effects of ultrasound renal denervation (uRDN) versus sham in RH. At baseline, 45% (26/58) patients showed poor adherence. Among patients with good baseline adherence, adherence was unchanged at 3 months, and uRDN patients had a decreased ASBP whereas sham patients did not. In poorly adherent patients, sham patients showed a trend towards increased adherence and a significant ASBP reduction, whereas uRDN patients did not change. Accordingly, adherence changes and the resultant ASBP reduction in poorly adherent sham patients may explain the lack of between-group difference seen in REQUIRE. Monitoring and maintaining medication adherence is important for future interventional studies in RH.

Original languageEnglish
Pages (from-to)2044-2047
Number of pages4
JournalHypertension Research
Volume46
Issue number8
DOIs
StatePublished - Aug 2023
Externally publishedYes

Keywords

  • Blood pressure
  • Hypertension
  • Medication adherence
  • Renal denervation

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