Genetic Risks for Bicuspid Aortic Valve Disease

Sponsor
The University of Texas Health Science Center, Houston (Other)
Overall Status
Recruiting
CT.gov ID
NCT01823432
Collaborator
(none)
400
1
152
2.6

Study Details

Study Description

Brief Summary

Bicuspid Aortic Valve (BAV) is the most common congenital heart malformation in adults, but very little is known about the genetic causes or risk factors for adverse outcomes. Currently, it is estimated that most cases of aortic stenosis in patients less than 65 years old are caused by BAVs. BAV patients are also at high risk to develop aneurysms of the ascending aorta, which may lead to aortic dissections. Dr. Prakash and his colleagues plan to use individual genetic information to identify persons with BAV who are at high risk for complications and to customize therapies.

Condition or Disease Intervention/Treatment Phase

    Detailed Description

    To be included in the study, patients must have a bicuspid or unicuspid aortic valve, documented by clinical history or imaging studies. If the aortic valve was replaced surgically, they may still be eligible. Participants will be asked to donate a single tube of blood and fill out a questionnaire. Patients will also be followed up by telephone or email about once a year to determine if they experience any medical complications related to Bicuspid Aortic Valve (BAV), such as aortic aneurysms, aortic dissections or valve disease. Patients may not be included if they are less than 18 years old at the time of recruitment or have a recognized genetic syndrome or genetic mutation such as Marfan or Ehlers-Danlos syndrome.

    Study Design

    Study Type:
    Observational [Patient Registry]
    Anticipated Enrollment :
    400 participants
    Observational Model:
    Cohort
    Time Perspective:
    Other
    Official Title:
    Genetic Risks for Bicuspid Aortic Valve Disease
    Study Start Date :
    Mar 1, 2012
    Anticipated Primary Completion Date :
    Nov 1, 2021
    Anticipated Study Completion Date :
    Nov 1, 2024

    Arms and Interventions

    Arm Intervention/Treatment
    BAV Cohort

    Patients with bicuspid or unicuspid aortic valves, regardless of surgical status.

    Outcome Measures

    Primary Outcome Measures

    1. Thoracic aortic aneurysms and dissections [10 years]

      Development of new aneurysms and/or dissections of the thoracic aorta

    2. Aortic valve replacement surgery [10 years]

    Secondary Outcome Measures

    1. Aortic enlargement [10 years]

      Dilation of thoracic aorta, new or progressive

    Other Outcome Measures

    1. Aortic valve degeneration [10 years]

      Increase in valve degeneration score by at least 1 unit

    Eligibility Criteria

    Criteria

    Ages Eligible for Study:
    18 Years and Older
    Sexes Eligible for Study:
    All
    Accepts Healthy Volunteers:
    No
    Inclusion Criteria:
    • At least 18 years of age

    • Diagnosis of bicuspid or unicuspid aortic valve

    Exclusion Criteria:
    • Less than 18 years of age

    • Recognized syndrome or identified genetic mutation

    Contacts and Locations

    Locations

    Site City State Country Postal Code
    1 University of Texas Health Science Center Houston Houston Texas United States 77030

    Sponsors and Collaborators

    • The University of Texas Health Science Center, Houston

    Investigators

    • Principal Investigator: Siddharth Prakash, MD, PhD, The University of Texas Health Science Center, Houston

    Study Documents (Full-Text)

    None provided.

    More Information

    Additional Information:

    Publications

    None provided.
    Responsible Party:
    Siddharth Prakash, Assistant Professor - Internal Medicine, The University of Texas Health Science Center, Houston
    ClinicalTrials.gov Identifier:
    NCT01823432
    Other Study ID Numbers:
    • HSC-MS-11-0185
    First Posted:
    Apr 4, 2013
    Last Update Posted:
    Nov 6, 2020
    Last Verified:
    Nov 1, 2020
    Individual Participant Data (IPD) Sharing Statement:
    No
    Plan to Share IPD:
    No
    Additional relevant MeSH terms:

    Study Results

    No Results Posted as of Nov 6, 2020