Status:

COMPLETED

Comparison of Two Medications Aimed at Slowing Aortic Root Enlargement in Individuals With Marfan Syndrome

Lead Sponsor:

Carelon Research

Collaborating Sponsors:

National Heart, Lung, and Blood Institute (NHLBI)

FDA Office of Orphan Products Development

Conditions:

Marfan Syndrome

Eligibility:

All Genders

6-25 years

Phase:

PHASE3

Brief Summary

Marfan syndrome is a hereditary connective tissue disorder. Many individuals with this condition die because of the associated heart and blood vessel abnormalities. This study will compare the effecti...

Detailed Description

Marfan syndrome is an inheritable disorder that affects the body's connective tissue. An abnormal protein results in connective tissue that is weaker than normal. Because connective tissue is found th...

Eligibility Criteria

Inclusion

  • Diagnosis of Marfan syndrome, according to Ghent criteria (more information can be found in Appendix D of the protocol)
  • Aortic root Z-score greater than 3.0

Exclusion

  • Prior aortic surgery
  • Aortic root dimension at the sinuses of Valsalva greater than 5 cm
  • Planned aortic surgery within 6 months of study entry
  • Aortic dissection
  • Shprintzen-Goldberg syndrome
  • Loeys-Dietz syndrome
  • Therapeutic (i.e., for arrhythmia, ventricular dysfunction, or valve regurgitation) rather than prophylactic use of angiotensin-converting enzyme (ACE) inhibitor, beta-blocker, or calcium channel blocker
  • History of angioedema while taking an ACE inhibitor or beta-blocker
  • Intolerance to losartan or other angiotensin II receptor blocker (ARB) that resulted in termination of therapy
  • Intolerance to atenolol or other beta-blocker that resulted in termination of therapy
  • Kidney dysfunction (i.e., creatinine greater than the upper limit of age-related normal values)
  • Asthma of sufficient severity to prohibit the use of a beta-blocker
  • Chronic use of steroids and/or beta-adrenergic agents with exacerbations of asthma that are frequent (averaging three or more per year) or severe (requiring hospitalization)
  • Diabetes mellitus
  • Pregnant or planning to become pregnant within 36 months of study entry
  • Inability to complete study procedures, including history of poor acoustic windows (i.e., inability to obtain accurate measurement of aortic root)

Key Trial Info

Start Date :

January 1 2007

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

February 1 2014

Estimated Enrollment :

608 Patients enrolled

Trial Details

Trial ID

NCT00429364

Start Date

January 1 2007

End Date

February 1 2014

Last Update

March 7 2025

Active Locations (26)

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Page 1 of 7 (26 locations)

1

Cedars-Sinai Medical Center

Los Angeles, California, United States, 90048

2

Lucile Packard Children's Hospital

Palo Alto, California, United States, 94304

3

Rady Children's Hospital / UCSD

San Diego, California, United States, 92123

4

Stanford University School of Medicine

Stanford, California, United States, 94305