The EuroPCR conference in Paris is the most important annual interventional cardiology conference in Europe and this year's edition brought more data from clinical trials of both established catheter-based technologies and innovative new devices.

With a total market potential estimated in the multibillion-dollar range, the drug-coated balloon opportunity is attracting a growing list of competitors, including several leading multinational cardiovascular device companies that have entered the space via recent acquisitions. DCBs still need to prove their worth in large, long-term clinical trials, but the ultimate proving point for DCBs could center on cost: if they can offer an effective treatment option that is significantly less expensive than existing devices, DCBs may provide a compelling economic argument.