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Blood pressure control with valsartan and hydrochlorothiazide in clinical practice: the MACHT Observational Study

Markus Abts1, Volker Claus, Marcos Lataster

  • 1Arzt für Allgemeinmedizin, Neuwied, Germany. abti@aol.com

Blood Pressure. Supplement
|March 4, 2006
PubMed

Insights

This study shows that combining valsartan and hydrochlorothiazide effectively lowers high blood pressure (BP) in patients. The treatment demonstrated significant BP reduction and was well-tolerated in a real-world clinical setting.

Area of Science:

  • Cardiology
  • Pharmacology
  • Clinical Practice

Background:

  • Hypertension management is crucial for reducing cardiovascular disease and mortality.
  • Uncontrolled hypertension poses a significant health risk.
  • Effective and well-tolerated antihypertensive therapies are needed.

Purpose of the Study:

  • To assess the efficacy and tolerability of valsartan 160 mg plus hydrochlorothiazide (HCTZ) 12.5 mg in patients with uncontrolled hypertension.
  • To evaluate blood pressure (BP) reduction in a large, real-world clinical practice setting.
  • To determine response rates and adverse event profiles of the combination therapy.

Main Methods:

  • Observational study of 17,242 patients with uncontrolled hypertension.
  • Treatment involved valsartan 160 mg and HCTZ 12.5 mg.
  • Blood pressure was measured at baseline, 1 month, and 3 months.

Main Results:

  • Mean systolic BP reduction of -27.0 mmHg and diastolic BP reduction of -13.7 mmHg.
  • Overall response rate of 78%, with higher rates in previously untreated patients (87%).
  • The combination was well-tolerated, with adverse event-related discontinuation rate <0.4%.

Conclusions:

  • Valsartan plus HCTZ effectively reduces blood pressure in patients with uncontrolled hypertension in routine clinical practice.
  • The combination therapy achieves high response rates and demonstrates a favorable tolerability profile for chronic use.
  • This regimen is suitable for managing hypertension across various patient risk statuses.

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