# Self-Expanding Coronary Sinus Reducer for Treatment of Symptomatic Coronary Microvascular Dysfunction (CMD) (SERRA-I Study)

> **NCT06991322** · NA · RECRUITING · sponsor: **VahatiCor, Inc.** · enrollment: 30 (estimated)

## Conditions studied

- Coronary Microvascular Dysfunction
- Coronary Microvascular Disease

## Interventions

- **DEVICE:** A-FLUX Reducer System

## Key facts

- **NCT ID:** NCT06991322
- **Lead sponsor:** VahatiCor, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2025-06-18
- **Primary completion:** 2026-12
- **Final completion:** 2027-04
- **Target enrollment:** 30 (ESTIMATED)
- **Last updated:** 2026-05-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06991322

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06991322, "Self-Expanding Coronary Sinus Reducer for Treatment of Symptomatic Coronary Microvascular Dysfunction (CMD) (SERRA-I Study)". Retrieved via AI Analytics 2026-07-19 from https://api.ai-analytics.org/clinical/NCT06991322. Licensed CC0.

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