CB --BioFreedom, a polymer-free drug-eluting stent (DES) from Biosensors International, showed a strong safety profile, compared with the Taxus paclitaxel-eluting stent (Boston Scientific), which contains a durable polymer, based on the one-year results of the first-in-man BioFreedom presented as a late-breaking trial at the annual Transcatheter Cardiovascular Therapeutics (TCT) conference.