# 1-month vs 12-month DAPT for ACS Patients Who Underwent PCI Stratified by IVUS: IVUS-ACS and ULTIMATE-DAPT Trials

> **NCT03971500** · NA · ACTIVE_NOT_RECRUITING · sponsor: **Nanjing First Hospital, Nanjing Medical University** · enrollment: 3710 (actual)

## Conditions studied

- Coronary Artery Disease

## Interventions

- **DRUG:** AntiPlatelet therapy
- **PROCEDURE:** Percutaneous coronary intervention

## Key facts

- **NCT ID:** NCT03971500
- **Lead sponsor:** Nanjing First Hospital, Nanjing Medical University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2019-08-20
- **Primary completion:** 2023-10-27
- **Final completion:** 2026-10-30
- **Target enrollment:** 3710 (ACTUAL)
- **Last updated:** 2026-04-13


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03971500

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03971500, "1-month vs 12-month DAPT for ACS Patients Who Underwent PCI Stratified by IVUS: IVUS-ACS and ULTIMATE-DAPT Trials". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT03971500. Licensed CC0.

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