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RecruitingNCT06153407

Genetic Test Based Risk Prediction of Early Calcific Aortic Valve Disease in Patients With Bicuspid Aortic Valve

Sponsor

Yonsei University

Enrollment

240 participants

Start Date

Oct 19, 2023

Study Type

OBSERVATIONAL

Conditions

Bicuspid Aortic Valve

Summary

This study is to elucidate the impact of germline mutations and clonal hematopoiesis (CHIP) on the progression of early aortic valve calcification in patients with bicuspid aortic valves. The study will be conducted over a recruitment period of one year and a follow-up observation period of two years. Considering a 2-year event rate and a 33% occurrence rate of clonal hematopoiesis, each group requires a minimum of 102 participants. Accounting for a 15% dropout rate, a total of 120 participants are needed for each group (type I error (α) = 5%, type II error (β) = 20%). Therefore, the total study population, including patients with normal aortic valve function, is set at 240 participants.

Eligibility

Min Age: 19 YearsMax Age: 80 Years

Inclusion Criteria4

  • Patients with confirmed bicuspid aortic valves based on cardiac imaging (echocardiography, CT, MRI) or surgical findings.
  • Early aortic valve calcification group: Patients aged 20-80 with moderate or greater aortic valve stenosis/regurgitation.
  • Normal functioning aortic valve group: Patients aged 20-80 with mild or less aortic valve stenosis/regurgitation.
  • Patients who understand the purpose of the study and voluntarily consent to participate.

Exclusion Criteria5

  • Patients with malignant neoplastic diseases or other conditions, such as cerebrovascular accidents, which predict survival of less than 6 months.
  • Patients with unclear presence of bicuspid aortic valves.
  • Patients with stage 3 or higher chronic kidney disease.
  • Patients with other inherited cardiac conditions.
  • Patients with cognitive impairment or hemodynamically unstable patients who have difficulty understanding the study content.

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Locations(1)

Division of Cardiology, Yonsei University Health System, Yonsei University College of Medicine

Seoul, South Korea

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NCT06153407

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