# Doxycycline to Protect Heart Muscle After Heart Attacks

> **NCT03508232** · PHASE2 · COMPLETED · sponsor: **University of Alberta** · enrollment: 174 (actual)

## Conditions studied

- ST Segment Elevation Myocardial Infarction
- Heart Failure

## Interventions

- **DRUG:** Placebo
- **DRUG:** Doxycycline Hyclate

## Key facts

- **NCT ID:** NCT03508232
- **Lead sponsor:** University of Alberta
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-01-06
- **Primary completion:** 2025-07-26
- **Final completion:** 2025-08-26
- **Target enrollment:** 174 (ACTUAL)
- **Last updated:** 2026-04-13

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03508232

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03508232, "Doxycycline to Protect Heart Muscle After Heart Attacks". Retrieved via AI Analytics 2026-05-21 from https://api.ai-analytics.org/clinical/NCT03508232. Licensed CC0.

---

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