Active Surveillance and Safety/Efficacy Evaluation of Innovative Devices for Structural Heart Disease Intervention (ASSEE-SHD)

September 26, 2026 updated by: Lijun Fu, Shanghai Jiao Tong University School of Medicine

Establishment of Active Surveillance and Safety and Efficacy Evaluation Indicators for Innovative Devices Used in Interventional Treatment of Structural Heart Disease

This study aims to establish an active surveillance system to evaluate the safety and effectiveness of innovative medical devices used in the interventional treatment of structural heart disease. The devices of interest include a biodegradable patent foramen ovale (PFO) closure device and a transcatheter mitral valve edge-to-edge repair system. Clinical information from patients receiving these devices during routine clinical care will be collected and analyzed. The findings will help evaluate the safety and effectiveness of these devices and support the development of appropriate clinical evaluation indicators and long-term monitoring strategies.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Recruiting

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Observational

Enrollment (Estimated)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
2200

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.

Study Contact Backup

Study Locations

  • China
      • Beijing, China
        • Not yet recruiting
        • Beijing Anzhen Hospital, Capital Medical University
        • Contact:
        • Principal Investigator:
          • Wenhui Wu
      • Beijing, China
        • Not yet recruiting
        • FUWAI Hospital, CAMS&PUMC
        • Contact:
        • Principal Investigator:
          • Guangzhi Zhao
      • Shanghai, China
        • Not yet recruiting
        • East Hospital, Tongji University
        • Contact:
        • Principal Investigator:
          • Linxiang Lu
    • Gansu
      • Lanzhou, Gansu, China
        • Recruiting
        • The First Hospital of Lanzhou University
        • Contact:
        • Principal Investigator:
          • Jizhe Xu
    • Guangdong
      • Guangzhou, Guangdong, China
        • Not yet recruiting
        • Guangdong Provincial People's Hospital
        • Contact:
        • Principal Investigator:
          • Caojin Zhang
    • Henan
      • Zhengzhou, Henan, China
        • Recruiting
        • Fuwai Central China Cardiovascular Hospital
        • Contact:
        • Principal Investigator:
          • Shubo Song
    • Hubei
      • Wuhan, Hubei, China
        • Recruiting
        • Zhongnan Hospital of Wuhan University
        • Contact:
        • Principal Investigator:
          • Gangcheng Zhang
    • Liaoning
      • Shenyang, Liaoning, China
        • Not yet recruiting
        • General Hospital of Northern Theater Command, Chinese People's Liberation Army
        • Principal Investigator:
          • Qiguang Wang
        • Contact:
    • Shandong
      • Jinan, Shandong, China
        • Not yet recruiting
        • Shandong Provincial Hospital
        • Contact:
        • Principal Investigator:
          • Anbiao Wang
    • Sichuan
      • Chengdu, Sichuan, China
        • Not yet recruiting
        • Sichuan Provincial People's Hospital
        • Contact:
        • Principal Investigator:
          • Yunshan Cao
    • Yunnan
      • Kunming, Yunnan, China
        • Not yet recruiting
        • Fuwai Yunnan Hospital, Chinese Academy of Medical Sciences/Affiliated Cardiovascular Hospital of Kunming Medical University
        • Principal Investigator:
          • Cheng Wang
        • Contact:

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

  1. Biodegradable PFO Closure Device Cohort: Patients with confirmed PFO-associated ischemic stroke who undergo implantation of a biodegradable PFO closure device.
  2. Transcatheter Mitral Valve Edge-to-Edge Repair (TEER) Cohort: Patients with functional or degenerative mitral regurgitation who undergo transcatheter mitral valve edge-to-edge repair using a TEER system.

Description

Inclusion Criteria:

  1. Patients undergoing implantation of a biodegradable PFO closure device.
  2. Patients undergoing transcatheter mitral valve edge-to-edge repair.

Exclusion Criteria:

The participant expresses a desire to withdraw from the study.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Observational Models: COHORT
  • Time Perspectives: PROSPECTIVE

Cohorts and Interventions

Group / Cohort

Group / Cohort

A group or subgroup of participants in an observational study that is assessed for biomedical or health outcomes.
Biodegradable Patent Foramen Ovale Closure Device

Participants with patent foramen ovale (PFO) who receive a biodegradable PFO closure device as part of routine clinical care will be included in this cohort. Clinical data will be collected to evaluate the safety and effectiveness of the device during follow-up.
Transcatheter Mitral Valve Edge-to-Edge Repair System Cohort

Participants with degenerative or functional mitral regurgitation who undergo transcatheter mitral valve edge-to-edge repair using a transcatheter mitral valve edge-to-edge repair system. Safety and effectiveness outcomes will be assessed during follow-up.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Incidence of Major Adverse Events
Time Frame: At 1, 6, and 12 months after the procedure

Incidence of major adverse events related to the biodegradable PFO closure or transcatheter mitral valve edge-to-edge repair procedure during follow-up.
At 1, 6, and 12 months after the procedure
Anatomical success of PFO closure within 12 months after biodegradable PFO occluder implantation, assessed by transthoracic echocardiography
Time Frame: At 1, 6, and 12 months after the procedure

The proportion of participants achieving successful anatomical closure of the patent foramen ovale (PFO) during the 12-month follow-up period after biodegradable PFO occluder implantation, assessed by transthoracic echocardiography.
At 1, 6, and 12 months after the procedure
Incidence of the composite clinical outcome of heart failure hospitalization, all-cause mortality, or cardiovascular mortality within 12 months after transcatheter edge-to-edge mitral valve repair
Time Frame: At 1, 6, and 12 months after the procedure

The proportion of participants experiencing at least one of the following events during the 12-month follow-up period after TEER: hospitalization for heart failure, all-cause death, or cardiovascular death. Events will be assessed through clinical follow-up and review of medical records.
At 1, 6, and 12 months after the procedure

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Degree of device degradation
Time Frame: At 1, 6, and 12 months after the procedure

The degree of degradation of the biodegradable PFO closure device will be assessed by echocardiography during follow-up.
At 1, 6, and 12 months after the procedure
Incidence of residual shunt after PFO closure
Time Frame: At 1, 6, and 12 months after the procedure.

The presence of residual shunt after implantation of the biodegradable PFO closure device will be assessed by echocardiography with contrast study, when applicable.
At 1, 6, and 12 months after the procedure.
Incidence of re-intervention after PFO closure
Time Frame: At 1, 6, and 12 months after the procedure.

The percentage of participants requiring reapeat intervention or surgical treatment related to the PFO closure device during follow-up.
At 1, 6, and 12 months after the procedure.
Incidence of recurrent stroke after PFO closure
Time Frame: At 1, 6, and 12 months after the procedure.

The occurrence of recurrent ischemic or hemorrhagic stroke during the follow-up period will be assessed by clinical evaluation and review of medical records.
At 1, 6, and 12 months after the procedure.
Incidence of device-related thrombosis after PFO closure
Time Frame: At 1, 6, and 12 months after the procedure.

The occurrence of thrombosis related to the biodegradable PFO closure device during follow-up will be assessed by echocardiography and clinical assessment.
At 1, 6, and 12 months after the procedure.
Proportion of participants who underwent TEER and achieved immediate procedural success
Time Frame: Within 24 hours after the procedure.

Immediate procedural success is defined as successful completion of the transcatheter mitral valve edge-to-edge repair procedure with post-procedural mitral regurgitation (MR) grade ≤2+, as assessed by echocardiography.
Within 24 hours after the procedure.
Incidence of subsequent open-heart surgery in the TEER group
Time Frame: At 1, 6, and 12 months after the procedure.

The number of participants undergoing subsequent open-heart surgery related to TEER during follow-up.
At 1, 6, and 12 months after the procedure.
Incidence of ischemic or hemorrhagic stroke in the TEER group
Time Frame: At 1, 6, and 12 months after the procedure.

The occurrence of ischemic or hemorrhagic stroke during follow-up in the TEER group will be assessed by clinical evaluation and review of medical records.
At 1, 6, and 12 months after the procedure.
Incidence of bleeding events in the TEER group
Time Frame: At 1, 6, and 12 months after the procedure.

The occurrence of bleeding events during follow-up in the TEER group will be assessed by clinical evaluation and review of medical records.
At 1, 6, and 12 months after the procedure.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Shanghai Jiao Tong University School of Medicine

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
LanZhou University
Shandong Provincial Hospital
Guangdong Provincial People's Hospital
Beijing Anzhen Hospital
Zhongnan Hospital
Chinese Academy of Medical Sciences, Fuwai Hospital
Sichuan Provincial People's Hospital
The General Hospital of Northern Theater Command
Shanghai East Hospital of Tongji University
ScienTech Medical
Valgen Medtech

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Lijun Fu, Shanghai Children's Medical Center

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
December 30, 2025

Primary Completion (Estimated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
January 31, 2029

Study Completion (Estimated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
January 31, 2029

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
September 22, 2026

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
September 26, 2026

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
September 29, 2026

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
September 29, 2026

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
September 26, 2026

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
September 1, 2026

More Information

Terms related to this study

Keywords

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • SCMC2024ZD0527503

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Plan Description

De-identified individual participant-level data relevant to the study objectives, including baseline characteristics, procedural data, safety and efficacy outcomes, and follow-up data, will be shared.

IPD Sharing Time Frame

Start Date: 12 months after publication of the primary results End Date: No end date

IPD Sharing Access Criteria

De-identified individual participant-level data and supporting information will be available to qualified researchers upon reasonable request and subject to review and approval by the study investigators. Access will be provided for scientifically justified research purposes in accordance with applicable regulations and data protection requirements. Requests should be submitted to the study investigators, and approved data will be shared through a secure data transfer mechanism.

IPD Sharing Supporting Information Type

  • STUDY_PROTOCOL
  • SAP
  • CSR

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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