Clinical trial Recruiting at 1 site Interventional Ages 18 to 65

Technique for closing a hole in the heart

Official title: Swartz Sheath With Angioplasty Guidewire-Assisted Versus Conventional Technique for Patent Foramen Ovale Closure: A Multicenter Randomized Controlled Trial

Run by RenJi Hospital · NCT06793969 · Data updated 2026-11-12

This study is testing a new way to close a hole in the heart using a special tool to see if it works better and is safer than the usual method for patients who have had a stroke or mini-stroke.

Quick facts

Study typeInterventional
Ages18 Years to 65 Years
SexAll
Enrollment120 (estimated)
SponsorRenJi Hospital
Academic / other
Locations1 site (Shanghai)
StatusRecruiting
StartedDecember 24, 2023
Main results expectedMarch 30, 2025
Study endsMay 30, 2025
Registry record updatedJanuary 27, 2025
Trial IDNCT06793969 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults aged 18 to 65 with a confirmed diagnosis of PFO and a history of cryptogenic stroke or transient ischemic attack.

Probably not a fit

Patients with conditions such as pregnancy, intracardiac thrombosis, pulmonary hypertension, or significant heart disease may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study investigates a new technique using a Swartz sheath with an angioplasty guidewire to assist in closing a patent foramen ovale (PFO) in patients who have experienced a cryptogenic stroke or transient ischemic attack. It is a multicenter, prospective, randomized controlled trial that compares this novel approach to a conventional method using a multifunctional catheter. Patients will be randomly assigned to either the new technique group or the conventional group, and various safety parameters will be monitored throughout the procedure and during follow-up visits. The aim is to evaluate the efficacy and safety of this new technique in facilitating PFO closure.

Why it matters

Potential benefit: If successful, this technique could improve the safety and efficacy of PFO closure procedures, potentially reducing the risk of future strokes in patients.

How similar studies have gone: While similar techniques have been explored, this specific approach using the Swartz sheath with angioplasty guidewire is novel and has not been extensively tested in prior studies.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Aged between 18 and 65
* Confirmed diagnosis of PFO by transthoracic and transesophageal echocardiography
* A history of cryptogenic stroke (CS) or transient ischemic attack (TIA)

Exclusion Criteria:

* Confirmed pregnancy
* Confirmed diagnosis of intracardiac thrombosis
* Confirmed diagnosis of pulmonary hypertension
* Confirmed diagnosis of rheumatic heart disease, or valvular heart disease
* Past medical history of myocardial infarction, unstable angina and intracranial hemorrhage

Where it's running

  • Renji Hospital
    Shanghai, China
    Recruiting

Study contacts

Similar studies

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
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Last reviewed 2026-11-14 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.