Blood pressure drug response varies by ethnicity, study finds

NCT ID NCT02847338

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study tested how well different blood pressure drugs work in White, Black, and South Asian people. About 940 adults with high blood pressure took one or two common medicines. The goal was to see if response differs by ethnicity, which could help doctors personalize treatment.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

amlodipine, lisinopril, amiloride, chlortalidone

What this could lead to

If successful, this could help doctors choose the most effective blood pressure medication based on a person's ethnic background, leading to better control and fewer side effects.

What could go wrong

This is a completed Phase 4 study, so results are available, but it only looked at specific ethnic groups and may not apply to everyone. The findings may not change current treatment guidelines immediately.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for HYPERTENSION are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

hypertensive disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Cambridge University Hospitals NHS Foundation Trust

    Cambridge, Cambridgeshire, CB2 0QQ, United Kingdom

  • Hammersmith & Fulham GP Partnership: Richford Gate Medical Practice

    London, W6 7HL, United Kingdom

  • Heartlands Hospital

    Birmingham, B9 5SS, United Kingdom

  • Lister Hospital

    Stevenage, SG1 4AB, United Kingdom

  • Liverpool Heart and Chest Hospital

    Liverpool, L14 3PE, United Kingdom

  • Manchester Royal Infirmary

    Manchester, M13 9WL, United Kingdom

  • Nottingham University Hospital: QMC Campus

    Nottingham, NG7 2UH, United Kingdom

  • Queen Elizabeth Hospital

    Birmingham, B15 2TH, United Kingdom

  • Sandwell & West Birmingham Hospitals NHS Trust

    Birmingham, B18 7QH, United Kingdom

  • St George's Hospital

    London, SW17 0RE, United Kingdom

  • St Thomas' Hospital

    London, SE1 7EH, United Kingdom

  • University Hospital Llandough

    Cardiff, CF64 2XX, United Kingdom

  • University of Glasgow

    Glasgow, G12 8TA, United Kingdom

  • William Harvey Research Institute, Barts and the London Medical School

    London, EC1M 6BQ, United Kingdom