# TranspulmonarY Estrogen Gradient and Estrogen Receptors (TYEGER) in PAH

> **NCT04280523** · — · WITHDRAWN · sponsor: **Vanderbilt University Medical Center**

## Conditions studied

- Pulmonary Arterial Hypertension

## Interventions

- **DRUG:** ESR-specific PET scan

## Key facts

- **NCT ID:** NCT04280523
- **Lead sponsor:** Vanderbilt University Medical Center
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** WITHDRAWN
- **Start date:** 2021-01-05
- **Primary completion:** 2023-12-31
- **Final completion:** 2023-12-31
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** The study was withdrawn, with no participants enrolled.
- **Last updated:** 2025-01-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04280523

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04280523, "TranspulmonarY Estrogen Gradient and Estrogen Receptors (TYEGER) in PAH". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT04280523. Licensed CC0.

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