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TCT 2016: Three-Year ABSORB II Data Fail To Show The Hoped-For Long-Term Benefit Of Bioresorbable Stent

 
• By Reed Miller

The data, presented Oct. 30 at the TCT Conference in Washington, DC, also showed higher rates of device-related adverse events including myocardial infarction with Abbott’s Absorb bioresorbable stent than a metallic drug-eluting stent, but the study was not powered to show differences in clinical endpoints, so this adverse safety signal must be evaluated in future clinical trials.

In what will no doubt be a disappointment to Abbott Laboratories Inc., three-year follow-up data from the ABSORB II trial did not show that Abbott’s Absorb GT1 everolimus-eluting biodegradable poly(L-lactide) scaffold improved vasomotor reactivity or late-lumen loss compared to Abbott’s Xience metallic everolimus eluting stent.

The results, the first long-term data on a randomized trial of a bioresorbable stent, were presented by Patrick Serruys of Imperial College London at the Transcatheter Cardiovascular Therapeutics (TCT) meeting currently held in Washington, DC, and published simultaneously in The Lancet on Oct. 30

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