# Distribution and Clinical Implication of CMD in Patients With HFpEF Without Significant CAD

> **NCT04788576** · — · UNKNOWN · sponsor: **Samsung Medical Center** · enrollment: 100 (estimated)

## Conditions studied

- Heart Failure With Preserved Ejection Fraction
- Coronary Microvascular Dysfunction

## Interventions

- **DIAGNOSTIC_TEST:** Invasive physiologic evaluation (fractional flow reserve, coronary flow reserve, index of microcirculatory resistance)

## Key facts

- **NCT ID:** NCT04788576
- **Lead sponsor:** Samsung Medical Center
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-01-25
- **Primary completion:** 2024-09-30
- **Final completion:** 2024-12-31
- **Target enrollment:** 100 (ESTIMATED)
- **Last updated:** 2024-01-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04788576

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04788576, "Distribution and Clinical Implication of CMD in Patients With HFpEF Without Significant CAD". Retrieved via AI Analytics 2026-06-22 from https://api.ai-analytics.org/clinical/NCT04788576. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*