Details

Autor(en) / Beteiligte

• Konishi, Akihide
• Ho, Mami
• Shirai, Yuko
• Shirato, Haruki

Titel

First Approval of Improved Medical Device Conditional on Use-Result Survey in Japan　― Regulatory Review of Polymer-Free Drug-Coated BioFreedom Coronary Stent

Ist Teil von

• Circulation Journal, 2018/05/25, Vol.82(6), pp.1487-1490

Ort / Verlag

Japan: The Japanese Circulation Society

Erscheinungsjahr

2018

Quelle

EZB Free E-Journals

Beschreibungen/Notizen

• A prospective randomized clinical trial showed that the BioFreedom stent (Biosensors International), which is a polymer-free and carrier-free drug-coated stent, was significantly superior to a bare-metal stent (BMS) in patients at high bleeding risk who were receiving a 1-month course of dual antiplatelet therapy (DAPT). However, the stent thrombosis rate (2.01% for BioFreedom vs. 2.20% for BMS) was 4–6-fold higher than that of approved drug-eluting stents based on real-world data in Japan. Furthermore, the frequency of stent thrombosis at more than 1 month with the BioFreedom stent was slightly higher than that at less than 1 month. This result suggested that it would not be acceptable to stop DAPT universally at 1 month. Thus, the target patients for the BioFreedom stent are unspecified patients at high bleeding risk needing to continue DAPT for as long as necessary in Japan. Therefore, based on the pre- and post-marketing balance of medical devices regulations, regulatory approval was given for unspecified patients conditionally upon real-world data collection of 2,000 patients with a Use-Results Survey, instead of conducting additional pre-marketing clinical trial(s). The Use-Results Survey System is part of a strategy to expedite patients’ access to innovative medical devices and to accelerate the development of medical devices.