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Clinical trials and research at National Institute of Cardiology, Laranjeiras, Brazil

• 2Clinical trials
• 1Country

All recruiting trials (2)

• Nitrate supplementation effects on blood pressure in resistant hypertension patients

  This study tests if taking beetroot extract can help lower blood pressure in people with resistant hypertension who haven't changed their blood pressure medications recently.

  Recruiting Early Phase 1 National Institute of Cardiology, Laranjeiras, Brazil · Rio de Janeiro · NCT06169241

• Evaluating microvascular reactivity in heart transplant patients

  This study looks at how blood flow in small blood vessels changes in heart transplant patients before and two years after their surgery to see if it can help predict long-term health issues.

  Recruiting National Institute of Cardiology, Laranjeiras, Brazil · Rio de Janeiro · NCT05729009

Quick answers

How many clinical trials run by National Institute of Cardiology, Laranjeiras, Brazil are recruiting right now?

2, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

All of them have sites in Brazil. Each study page lists its sites and which ones are recruiting.

What phases are they in?

Early Phase 1: 1. Trials with no phase listed are usually device, behavioural or observational studies.

How do I join one?

Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.

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