# Effect of Nitrate Supplementation on Blood Pressure and Microvascular Function of Resistant Hypertensive Patients

> **NCT06169241** · EARLY_PHASE1 · RECRUITING · sponsor: **National Institute of Cardiology, Laranjeiras, Brazil** · enrollment: 50 (estimated)

## Conditions studied

- Arterial Hypertension
- Resistant Hypertension
- Microvascular Function
- Nitrate Supplementation

## Interventions

- **DIETARY_SUPPLEMENT:** Beetroot extract
- **DIETARY_SUPPLEMENT:** Placebo

## Key facts

- **NCT ID:** NCT06169241
- **Lead sponsor:** National Institute of Cardiology, Laranjeiras, Brazil
- **Sponsor class:** OTHER_GOV
- **Phase:** EARLY_PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2023-11-01
- **Primary completion:** 2026-12
- **Final completion:** 2026-12
- **Target enrollment:** 50 (ESTIMATED)
- **Last updated:** 2026-04-13


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06169241

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06169241, "Effect of Nitrate Supplementation on Blood Pressure and Microvascular Function of Resistant Hypertensive Patients". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT06169241. Licensed CC0.

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