# APEX Study: Effects of Allopurinol on Coronary and Peripheral Endothelial Function in Patients With Cardiac Syndrome X

> **NCT00512057** · PHASE4 · COMPLETED · sponsor: **University of Dundee** · enrollment: 40 (estimated)

## Conditions studied

- Syndrome X

## Interventions

- **DRUG:** allopurinol
- **DRUG:** placebo

## Key facts

- **NCT ID:** NCT00512057
- **Lead sponsor:** University of Dundee
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2008-06
- **Primary completion:** 2010-06
- **Final completion:** 2010-06
- **Target enrollment:** 40 (ESTIMATED)
- **Last updated:** 2010-06-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00512057

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00512057, "APEX Study: Effects of Allopurinol on Coronary and Peripheral Endothelial Function in Patients With Cardiac Syndrome X". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT00512057. Licensed CC0.

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