Clinical Characteristics and Associations of the "Good Fontan" Patient
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ClinicalTrials.gov Identifier: NCT03470428 |
Recruitment Status :
Active, not recruiting
First Posted : March 20, 2018
Last Update Posted : July 28, 2021
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Condition or disease |
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Congenital Heart Disease Single-ventricle |
Study Type : | Observational |
Estimated Enrollment : | 200 participants |
Observational Model: | Cohort |
Time Perspective: | Prospective |
Official Title: | Clinical Characteristics and Associations of the "Good Fontan" Patient |
Actual Study Start Date : | March 5, 2018 |
Estimated Primary Completion Date : | March 2024 |
Estimated Study Completion Date : | March 2026 |

Group/Cohort |
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Pediatric Fontan Patients
Participants ages 10 to 18 who have had Lateral Tunnel or Extracardiac Fontan procedures.
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Adult Fontan Patients
Participants ages 18 to 60 who have had Lateral Tunnel or Extracardiac Fontan procedures.
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- Surprise question [ Time Frame: 1 year ]The ability of the cardiologist's response to the "surprise" question to predict adverse cardiac events within 1 year
- Clinical characteristics and associations of the "good Fontan" [ Time Frame: 1 year ]Clinical characteristics and associations of this group (the "good Fontan") are different compared to those that are in the "at-risk" category (all others that do not fit into the "good Fontan" category). Data measurements will include relevant clinical data available for each patient, including but not limited to data from cardiac surgeries, catheterizations, MRIs, echocardiograms, exercise stress tests, current medications, labs, and patient responses to questionnaires.
- Correlation between patient and provider assessments [ Time Frame: 1 year ]There will be a positive correlation of the patient's own assessment of quality of life with the clinician-identified designation of a "good Fontan."
- Clinician factors associated with adverse events conversation with patients [ Time Frame: 1 year ]Clinician factors (years of experience, primary subspecialty, gender, parenthood) are associated with beliefs in regard to appropriate timing to discuss potential long-term adverse events to Fontan patients.

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Ages Eligible for Study: | 10 Years to 60 Years (Child, Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Sampling Method: | Non-Probability Sample |
Inclusion Criteria:
- Extracardiac or Lateral Funnel Fontan
Exclusion Criteria:
- Currently being evaluated for or listed for cardiac transplant
- Underwent Fontan revision or conversion
- Currently pregnant

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03470428
United States, Massachusetts | |
Boston Children's Hospital | |
Boston, Massachusetts, United States, 02115 |
Principal Investigator: | Rahul Rathod, MD | Boston Children's Hospital |
Responsible Party: | Rahul Rathod, Cardiologist, Boston Children's Hospital |
ClinicalTrials.gov Identifier: | NCT03470428 |
Other Study ID Numbers: |
IRB-P00024716 |
First Posted: | March 20, 2018 Key Record Dates |
Last Update Posted: | July 28, 2021 |
Last Verified: | July 2021 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Fontan Single Ventricle |
Heart Diseases Heart Defects, Congenital Univentricular Heart |
Cardiovascular Diseases Cardiovascular Abnormalities Congenital Abnormalities |