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Active, not recruitingNCT04034498Updated Jan 16, 2026

A Multicenter, International, Follow-up Study to Monitor the Efficacy and Safety of the Occlutech® PmVSD Occluder in Patients With Perimembranous Ventricular Septal Defects

An observational study in Perimembranous Ventricular Septal Defect, sponsored by Occlutech International AB. Active, not recruiting at 8 sites in 4 countries. Per ClinicalTrials.gov, last updated 2026-01-16.

Sponsored by Occlutech International AB · Observational

From the registry’s dates

  • Primary completion was expected by Jun 2026, 4 months ago, but the record still lists the study as active, not recruiting.
Study type
Observational
Model
Case-only
Time perspective
Other
Enrollment
50
Sex
All
01

Study summary

The objective of this registry is to gain more insight on the clinical use of the Occlutech perimembranous VSD occluder.

02

Conditions studied

  • Perimembranous Ventricular Septal Defect
03

In context

Lead sponsor

Occlutech International AB is the lead sponsor of 16 studies on the registry; 7 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
Child (0–17), Adult (18–64), Older adult (65+)
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

There will be no pre-selection of patients for enrollment in this registry. The criteria provided in the Instructions For Use should be followed. The study cohort will thus consist of consecutively enrolled patients at the discretion of the treating physician

Inclusion criteria

Patients with haemodynamically significant perimembranous defects which are located in the ventricular septum

Exclusion criteria

Exclusion Criteria:

Occlutech® PmVSD Occluder is contraindicated for the following:

  • Patients with defects less than 2 mm aortic rim and/or interference with the aortic or atrioventricular valves
  • Patients less than 10.0 kg
  • Patients with sepsis (local or generalized)
  • Patients with left ventricle to right atrial shunting
  • Patients with right to left shunting through the defect
  • Patients with PmVSD with an aneurysm and multiple shunts that could not be successfully closed with one device
  • Patients with complex heart lesions such as tetralogy of fallot
  • History of repeated pulmonary infection
  • Any type of serious infection 1 month prior to procedure
  • Malignancy where life expectancy is less than 3 years
  • Demonstrated intracardiac thrombi on echocardiography
  • Patients with allergy to anti-platelet or anticoagulant therapy
  • Patients with allergy to nickel and/or titanium and/or nickel/titanium based materials
  • Patients with intolerance to contrast agents
  • Patients with active bacterial infections
  • Patients with very small vessels which are not suitable for recommended delivery sheath sizes
05

Study design

Observational model
Case-only
Time perspective
Other
Enrollment
50 participants (estimated)
Target follow-up
3 Years
Patient registry
Yes
06

What researchers measure

Primary outcomes

  1. To confirm the efficacy of Occlutech PmVSD in patients requiring transcatheter occlusion (closure) of perimembranous ventricular septal defects.

    The primary efficacy endpoint is defined as successful implantation of the device with a proper closure of the pmVSD (defined as reduction in VSD shunt of more than one grade as assessed by TTE post implantation).

    Time frame: 1 year following implantation

  2. To confirm the safety of Occlutech PmVSD in patients requiring transcatheter occlusion (closure) of perimembranous ventricular septal defects.

    The primary safety endpoint is defined as absence of Serious Adverse Device Effects (SADEs) including procedure-related death, procedure-related stroke, systemic embolism, severe hemolysis, complete heart block requiring pacemaker implantation or device explantation, new-onset of severe tricuspid regurgitation (TR), new onset of severe aortic regurgitation (AR), device embolization, severe right-left ventricular outflow obstruction (RVOTO-LVOTO), cardiac tamponade, infective endocarditis or vascular complications requiring surgery.

    Time frame: 1 year following implantation

07

Study locations

8 sites
  • Children Health Ireland
    Dublin, Ireland
  • Queen Sirikit National Institute of Child Health
    Bangkok, Thailand
  • Prince of Songkla University
    Hat Yai, Thailand
  • Osmangazi University Faculty of Medicine Hospital
    Eskişehir, 26040, Turkey (Türkiye)
  • Gaziantep University Hospital
    Gaziantep, Turkey (Türkiye)
  • Izmir University of Health Sciences Tepecik Training and Research Hospital
    Izmir, 35020, Turkey (Türkiye)
  • Kocaeli University Research and Application Hospital
    Kocaeli, 41001, Turkey (Türkiye)
  • City Children Hospital
    Ho Chi Minh City, Vietnam
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jan 16, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT04034498
Lead sponsor
Occlutech International AB
Responsible party
Sponsor
First posted
Jul 26, 2019
Start date
Jul 7, 2019
Primary completion
Jun 2026 (estimated)
Completion
Jul 2026 (estimated)
Last update
Jan 16, 2026

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is active, not recruiting, as verified in Jan 2026. You cannot join it, but the record below documents what was studied.

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