Document Detail

A successful experimental model for intimal hyperplasia prevention using a resveratrol-delivering balloon.
MedLine Citation:
PMID:  25446284     Owner:  NLM     Status:  Publisher    
OBJECTIVE: Restenosis due to intimal hyperplasia is a major clinical problem that compromises the success of angioplasty and endovascular surgery. Resveratrol (RSV) has demonstrated a beneficial effect on restenosis from angioplasty. Unfortunately, the physicochemical characteristics of RSV reduce the practicality of its immediate clinical application. This work proposes an experimental model aiming to setup an intravessel, elutable, RSV-containing compound.
METHODS: A 140 μg/mL RSV sterile injectable solution with a suitable viscosity for intravascular administration by drug-delivery catheter (RSV-c) was prepared. This solution was locally administered in the common iliac artery of adult male New Zealand White rabbits using a dedicated device (Genie; Acrostak, Geneva, Switzerland) after the induction of intimal hyperplasia by traumatic angioplasty. The RSV concentrations in the wall artery were determined, and the thickness of the harvested iliac arteries was measured over a 1-month period.
RESULTS: The Genie catheter was applied in rabbit vessels, and the local delivery resulted in an effective reduction in restenosis after plain angioplasty. Notably, RSV-c forced into the artery wall by balloon expansion might accumulate in the interstitial areas or within cells, avoiding the washout of solutions. Magnification micrographs showed intimal proliferation was significantly inhibited when RSV-c was applied. Moreover, no adverse events were documented in in vitro or in vivo studies.
CONCLUSIONS: RSV can be advantageously administered in the arterial walls by a drug-delivery catheter to reduce the risk of restenosis.
Valerio Tolva; Silvia Mazzola; Pietro Zerbi; Renato Casana; Mariangela Albertini; Laura Calvillo; Francesca Selmin; Francesco Cilurzo
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-10-24
Journal Detail:
Title:  Journal of vascular surgery     Volume:  -     ISSN:  1097-6809     ISO Abbreviation:  J. Vasc. Surg.     Publication Date:  2014 Oct 
Date Detail:
Created Date:  2014-12-2     Completed Date:  -     Revised Date:  2014-12-3    
Medline Journal Info:
Nlm Unique ID:  8407742     Medline TA:  J Vasc Surg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2014 Society for Vascular Surgery. Published by Elsevier Inc. All rights reserved.
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