Ivan Zeljkovic
Clinical trials sponsored by Ivan Zeljkovic, explained in plain language.
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Heart valve showdown: which TAVI valve sends fewer particles to the brain?
Knowledge-focused Not yet recruitingThis study will compare two common types of heart valves used in TAVI (a procedure to replace a narrowed aortic valve) to see which one sends fewer tiny particles to the brain during the procedure. 80 adults with severe aortic stenosis will be randomly assigned to receive either …
Phase: NA • Sponsor: Ivan Zeljkovic • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:00 UTC
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Heart procedure showdown: which ablation system sends fewer clots to the brain?
Knowledge-focused Not yet recruitingThis study will compare five different pulsed field ablation systems used to treat atrial fibrillation (an irregular heartbeat). The goal is to see which system causes the fewest tiny clots (microemboli) that travel to the brain during the procedure. One hundred adults with atria…
Phase: NA • Sponsor: Ivan Zeljkovic • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:38 UTC
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Can reusing heart catheters be safe and green? new study investigates
Knowledge-focused Not yet recruitingThis study looks at whether re-sterilized (reprocessed) catheters work as well as new ones for heart ablation procedures. About 200 adults needing this treatment will be randomly assigned to get either a new or a reprocessed catheter. Researchers will compare how long the procedu…
Phase: NA • Sponsor: Ivan Zeljkovic • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:06 UTC