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Amplatzer Piccolo Occluder clinical trial for percutaneous closure of the patent ductus arteriosus in patients ?700 grams.


ABSTRACT:

Objectives

Characterize the safety and effectiveness of the Amplatzer Piccolo Occluder for patent ductus arteriosus (PDA) closure.

Background

The presence of a hemodynamically significant PDA has been associated with an increased risk of morbidity and mortality in children born premature.

Methods

This was a single arm, prospective, multicenter, non-randomized study to evaluate the Amplatzer Piccolo Occluder to treat PDA in patients ?700?g. From June 2017 to February 2019, 200 patients were enrolled at nine centers, with 100 patients weighing ?2?kg. Primary effectiveness endpoint was the rate of PDA closure at 6-month follow-up. Primary safety endpoint was the rate of major complications through 6 months. Secondary endpoint was rate of significant pulmonary or aortic obstruction through 6?months' follow-up.

Results

The implant success rate was 95.5% (191/200) overall and 99% in patients ?2 kg (99/100). The primary effectiveness endpoint was achieved in 99.4% of implanted patients. Four patients experienced a primary safety endpoint event (2 transfusions, 1 hemolysis, and 1 aortic obstruction). There were no branch pulmonary artery obstructions. Five patients, all ?2 kg, were noted to have worsening of tricuspid regurgitation (TR) after the procedure. None of the TR incidences manifested clinically. The Amplatzer Piccolo Occluder received FDA approval in January 2019 and became the first device approved for PDA closure in patients ?700?g.

Conclusions

This study supports the safety and effectiveness of the Amplatzer Piccolo Occluder, particularly in patients between 700?g and 2 kg where there is currently a significant unmet need in the United States. ClinicalTrials.gov identifier: NCT03055858.

SUBMITTER: Sathanandam SK 

PROVIDER: S-EPMC7754477 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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Publications

Amplatzer Piccolo Occluder clinical trial for percutaneous closure of the patent ductus arteriosus in patients ≥700 grams.

Sathanandam Shyam K SK   Gutfinger Dan D   O'Brien Laura L   Forbes Thomas J TJ   Gillespie Matthew J MJ   Berman Darren P DP   Armstrong Aimee K AK   Shahanavaz Shabana S   Jones Thomas K TK   Morray Brian H BH   Rockefeller Toby A TA   Justino Henri H   Nykanen David G DG   Zahn Evan M EM  

Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions 20200520 6


<h4>Objectives</h4>Characterize the safety and effectiveness of the Amplatzer Piccolo Occluder for patent ductus arteriosus (PDA) closure.<h4>Background</h4>The presence of a hemodynamically significant PDA has been associated with an increased risk of morbidity and mortality in children born premature.<h4>Methods</h4>This was a single arm, prospective, multicenter, non-randomized study to evaluate the Amplatzer Piccolo Occluder to treat PDA in patients ≥700 g. From June 2017 to February 2019, 2  ...[more]

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