# OCT vs IVUS vs QCA to Guide Moderate-to-severe Calcified Lesion Stent Implantation

> **NCT03574636** · NA · UNKNOWN · sponsor: **Shanghai MicroPort Medical (Group) Co., Ltd.** · enrollment: 375 (estimated)

## Conditions studied

- Optical Coherence Tomography
- Intravascular Ultrasound
- Angiography

## Interventions

- **DEVICE:** OCT guidance
- **DEVICE:** IVUS guidance
- **DEVICE:** QCA

## Key facts

- **NCT ID:** NCT03574636
- **Lead sponsor:** Shanghai MicroPort Medical (Group) Co., Ltd.
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2019-10-18
- **Primary completion:** 2021-09
- **Final completion:** 2025-09
- **Target enrollment:** 375 (ESTIMATED)
- **Last updated:** 2020-01-13


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03574636

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03574636, "OCT vs IVUS vs QCA to Guide Moderate-to-severe Calcified Lesion Stent Implantation". Retrieved via AI Analytics 2026-06-26 from https://api.ai-analytics.org/clinical/NCT03574636. Licensed CC0.

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