A Prospective Randomized Multicenter Trial of the Guidewire for Echo-guided Interventions

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

100 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-07-07

Study Completion Date

2020-05-30

Brief Summary

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Prospective randomized multicenter trial of about 100 subjects enrolled in 3-5 centers. Patients will be randomized to two groups in equal proportion (50 in each). To precise the function of this device on reducing technical difficulties and conquering learning curves, it is required that the doctor should be able to independently do echo-guided percutaneous interventions and his cases should be more than 20 but less than 100. Experimental group is allocated to use novel interventional guidewire for echocardiography guided percutaneous interventions for ASD, control group will be treated by cook lunderquist guidewire. If echo-guided procedure does not work well, the procedure will be immediately replaced by conventional procedure guided by radiology. To evaluate the effectiveness and safety comprehensively, variables are defined as success rate, duration of procedure, times of arrhythmia, times of misguided to tricuspid valve, cardiac perforation, cardiac tamponed, complications in peripheral vessels etc.

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Detailed Description

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1. This is a prospective blinded randomized multicenter comparison clinical trial followed the design of superiority trial to compare the effectiveness and safety of the guidewire for echo-guided interventions designed by Hangzhou Dexin Medical Technological Company with other similar products.
2. This trial will enroll about 100 subjects from 3-5 centers. Patients will be randomized to two groups in equal proportion (50 in each). Proposal recruiting period is 18 months and follow-up will be performed for 30 days.

Conditions

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Atrial Septal Defect

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Treatment Group

Experimental group is allocated to use novel interventional guidewire for the echocardiography guided percutaneous interventions for ASD.

Group Type EXPERIMENTAL

Guidewire for echo-guided interventions

Intervention Type DEVICE

Under echocardiography guided treatment of ASD with a novel interventional guidewire

Control Group

Control Group is allocated to use Cook lunderquist guidewire for the echocardiography guided percutaneous interventions for ASD.

Group Type ACTIVE_COMPARATOR

Cook lunderquist guidewire

Intervention Type DEVICE

Subjects with ASD treated with amplatzer using the Cook lunderquist guidewire.

Interventions

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Guidewire for echo-guided interventions

Under echocardiography guided treatment of ASD with a novel interventional guidewire

Intervention Type DEVICE

Cook lunderquist guidewire

Subjects with ASD treated with amplatzer using the Cook lunderquist guidewire.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

1. age≥2yrs, diameter of defect≥5 mm, central ASD with increased volume load of right heart.
2. edge of defect is ≥5 mm from coronary sinus, superior and inferior vena cava, and pulmonary vein, and≥7 mm from atrioventricular valve.
3. diameter of atrial septal \> left-atrium-side diameter of occlude.
4. participants or guardians who can understand the purpose of this trial and voluntarily participate in and sign the informed consent form.

Exclusion Criteria

1. Primary atrial septal defect.
2. Sinus venosus atrial septal defects.
3. Accompany with endocarditis or hemorrhagic risks.
4. thrombosis in targeting area or venous thrombosis in inserting site.
5. severe pulmonary artery hypertension generated right-to-left shunt.
6. severe myocardial or valve disease unrelated with ASD.
7. suffered infection diseases or developing infection diseases within 1 month, thrombosis in left atrium or left appendage, part or total anomalous pulmonary venous drainage.

Minimum Eligible Age

2 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No