Assessing risk factors and outcomes in patients with coronary chronic total occlusion

Risk Factors and Outcomes in Patients With Stable Coronary Artery Disease and Coronary Chronic Total Occlusion

Ruijin Hospital · NCT06137521

This study looks at how different treatments for coronary chronic total occlusion affect the long-term health of patients and what factors might influence their recovery.

Quick facts

Study typeObservational
Enrollment3000 (estimated)
Ages18 Years and up
SexAll
SponsorRuijin Hospital (other)
Locations1 site (Shanghai)
Trial IDNCT06137521 on ClinicalTrials.gov

What this trial studies

This observational study aims to evaluate the risk factors and long-term outcomes of patients suffering from coronary chronic total occlusion (CTO) who are treated either with percutaneous coronary intervention or medical management. It focuses on understanding how various baseline characteristics and treatment modalities influence the prognosis of CTO patients, who typically face worse outcomes compared to those without CTO. The study will involve collecting clinical data and blood samples to identify factors that may contribute to the development of coronary collateral formation and overall patient outcomes. Conducted at a single center, this research seeks to enhance clinical decision-making for managing coronary artery disease.

Who should consider this trial

Good fit: Ideal candidates for this study are adults aged 18 and older with documented ischemia and chronic total occlusion lasting more than three months.

Not a fit: Patients with severe chronic heart failure, recent coronary interventions, or significant comorbidities such as malignancies or immune disorders may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved treatment strategies and better outcomes for patients with coronary chronic total occlusion.

How similar studies have performed: While there have been studies on coronary artery disease, this specific focus on chronic total occlusion and its risk factors is relatively novel and not extensively tested.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age ≥18 years; Patients with angina or silent ischemia and documented ischemia; Patients with CTO ≥ 3months

Exclusion Criteria:

* eGFR\<15mL/(min·1.73m2); Chronic heart failure with NYHA grade ≥3; Had a history of coronary artery bypass grafting; Had received a percutaneous coronary intervention within the prior 3 months; Malignant tumor or immune system disorders; Pulmonary heart disease

Where this trial is running

Shanghai

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Chronic Total Occlusion, Coronary Artery Disease

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.