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Ranger DCB (Drug-Coated Balloon) is a medical device-drug combination developed by Boston Scientific for the treatment of peripheral artery disease (PAD), specifically targeting lesions in the superficial femoral artery (SFA) and proximal popliteal artery (PPA). The device consists of a balloon catheter coated with a proprietary TransPax formulation, which utilizes a citrate ester excipient to deliver a low-dose density (2 μg/mm²) of the anti-proliferative drug paclitaxel. During percutaneous transluminal angioplasty (PTA), the balloon is inflated against the arterial wall, facilitating the local transfer of paclitaxel. Paclitaxel acts by stabilizing microtubules, thereby inhibiting the migration and proliferation of smooth muscle cells that lead to neointimal hyperplasia and restenosis. Ranger DCB received CE Mark in 2014 and FDA approval in November 2020, supported by clinical data from the RANGER II SFA and COMPARE randomized controlled trials.
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