Proton radiation for dangerous heart rhythms
Part of Heart & circulation clinical trials.
This trial tests a new type of radiation therapy (proton radiosurgery) aimed at stopping dangerous heart rhythms (ventricular tachycardia) without needing an invasive procedure. It may be an option for people with an implantable defibrillator who have had repeated episodes despite medication and cannot safely have standard ablation.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are 40 years old or older.
- You have an implantable defibrillator (ICD, CRT-D, or S-ICD).
- You have had at least 3 episodes of dangerous heart rhythms (ventricular tachycardia or fibrillation) in the last 6 months that required a shock or pacing from your device, even with the strongest medications.
- You cannot have a standard catheter ablation (a procedure to burn the abnormal heart tissue) because it's too risky, or you've already had one that didn't work.
- Your heart's pumping strength (left ventricular ejection fraction) is at least 20%.
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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