Procedural Success and Safety of the Nit-Occlud® Patent Foramen Ovale (PFO) Closure Device and Its Application System (09k003)

P

pfm medical

Status

Completed

Conditions

Heart Catheterization
Foramen Ovale, Patent
Heart Septal Defects, Atrial

Treatments

Device: Nit-Occlud® PFO

Study type

Interventional

Funder types

Industry

Identifiers

NCT00968032
09k003

Details and patient eligibility

About

The foramen ovale is an opening in the interatrial septum. It results from an incomplete coverage of the ostium secundum. In 10 to 24% of the general population incomplete fibrosis of the interatrial septum is a clinical finding and is defined as a patent foramen ovale (PFO). The Nit-Occlud® PFO umbrella is a permanent implant for closing PFOs that is implanted in the PFO using minimally invasive catheter technology. The umbrella is made from Nitinol, a material with superelastic properties, which, in its relaxed state, has the form of a double umbrella. This is a single-center, non-comparative, prospective interventional clinical investigation involving 1 center in Germany to assess the effectiveness, safety and practicability of implantation of the Nit-Occlud PFO® Closure Device.

Enrollment

63 patients

Sex

All

Ages

18 to 65 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

Diagnosis of patent foramen ovale (PFO)

  • Age between 18 and 65 years of both gender
  • Ability to give written informed consent after being told the potential benefits and risks of entering the trial to understand the planned clinical study and able to participate in all follow-up procedures
  • Signed informed consent

Presenting with neurological symptoms and at least one of the following clinical circumstances:

  • Diagnosis of cryptogenic stroke based on clinical neurological examination
  • Diagnosis of a transient ischemic attack (TIA) based on clinical neurological examination
  • PFO defect with or without atrial septal aneurysm of a balloon stretched diameter less than 18 mm. PFO tunnel length less than 10 mm in TEE
  • Mental and physical ability of patient to follow the protocol according to compliance to time schedule, treatment plan,completion of CRF pages and further study procedures.

Exclusion criteria

  • PFO dimensions exceeding Inclusion criterium 5)
  • Active endocarditis
  • Presence of an infectious disease
  • Vascular anatomy unable to accommodate the appropriate-sized sheath for device introduction
  • Current arrhythmia, or history of arrhythmia
  • Prior cardiac surgery, including implantation of active and non-active cardiac device (coronary stent is allowed)
  • Confinement to bed (because of higher potential for clot formation)
  • Heart abnormality other than PFO
  • Accessory atrial defects
  • Participation in an investigational drug or device trial within 30 days prior to selection, or current inclusion in any other clinical trial or research project
  • Known allergy to nickel
  • Known allergy to contrast agents
  • Cancerogenic disease or malignant tumor, or other severe disease
  • Intracardiac mass or vegetation
  • Thrombus at the intended site of implant or documented evidence of venous thrombus in the vessel to which access to the defect is gained
  • Unable to tolerate Aspirin or Clopidogrel, and/or antibiotic prophylaxis for at least three months following the procedure
  • Pregnant or breast feeding female patients
  • Subjects who, in the opinion of the investigator, will be inappropriate for inclusion into this trial or will not comply with requirements of the study
  • Subjects who are imprisoned (according to MPG § 20.3)
  • Patients who are lawfully kept in an institution

Trial design

Primary purpose

Treatment

Allocation

Non-Randomized

Interventional model

Single Group Assignment

Masking

None (Open label)

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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