Using sound waves to open an under-expanded stent in a calcified heart artery
Part of Heart & circulation, Hormones & metabolism clinical trials.
This trial tests a special device that uses sound waves to crack hard calcium in heart arteries, helping a stent expand fully after it was placed too tightly. It's for people who have a calcified artery where the stent didn't open enough, even after standard balloon treatment.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You must be between the ages of 18 and 80.
- You should have symptoms such as chest pain or shortness of breath, or tests showing your heart muscle isn't getting enough blood.
- The stent in your heart artery didn't open fully, even after using a high-pressure balloon to try to expand it.
- The narrowed artery must be quite tight (at least 70% blocked) or at least 50% blocked with clear evidence of reduced blood flow.
- The artery to be treated must be within a certain size range (between 2.75 mm and 4.0 mm) and the area of narrowing must be 30 mm or less.
- You must be willing to sign a consent form and come back for follow-up visits and heart tests after the procedure.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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