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CompletedNCT03470428Updated Apr 19, 2023

Clinical Characteristics and Associations of the "Good Fontan" Patient

An observational study in Congenital Heart Disease and Single-ventricle, sponsored by Boston Children's Hospital. Completed at 1 site in United States. Open to participants aged 10 Years to 60 Years. Per ClinicalTrials.gov, last updated 2023-04-19.

Sponsored by Boston Children's Hospital · Observational

Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
146
Ages
10 Years to 60 Years
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-13

Among 37 studies in Heart Defects, Congenital by Boston Children's Hospital — 9 open to participants now, 10 under way, none of them phase 3. Heart Defects, Congenital · Boston Children's Hospital.

Enrollment
5th of 19
146 · median 64
Started
2018
the only one that year
Observational
19 of 37
8 open now
Registered
18th of 37
by date

Among the 37 studies in Heart Defects, Congenital by Boston Children's Hospital, this one is the 5th largest by enrollment of the 19 observational ones that give a count, is the only one that started in 2018, is one of 19 observational ones, and was the 18th registered.

Heart Defects, Congenital

991 studies on the registry are indexed under Heart Defects, Congenital; 251 are open to participants now.

Browse Heart Defects, Congenital studies →

Open to participants now

9 of the 37 studies in Heart Defects, Congenital by Boston Children's Hospital are open now, in 1 country. Recruiting first, the newest first:

4 more — sign in →

By country, each count listing its studies:

All 9 open studies →

Where they have run

Who these studies take

Of the 154 Heart Defects, Congenital studies recruiting now, 67 (44%) set no upper age limit and 79 (51%) stop at 75 or younger; 110 take children under 18; 25 take healthy volunteers.

This study: 10 Years to 60 Years · all sexes · no healthy volunteers.

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02

Study summary

This study aims to determine what are some of the clinical characteristics and associations of Fontan patients who are doing well, as well as how accurate cardiology providers are at predicting the likelihood of future adverse event in their Fontan patients.

Read the detailed description

This is a multi-center prospective study that involves collecting data from patients as well as their cardiology providers in order to determine whether there is correlation between patient-reported quality of life assessments and clinician-identified assessments of their patients. The study also involves collecting data from the medical records of participating patients and entering it into our study database.

03

Conditions studied

  • Congenital Heart Disease
  • Single-ventricle

Keywords

  • Fontan
  • Single Ventricle
04

Who can participate

Ages eligible
10 Years to 60 Years
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

Patients with congenital heart disease who have undergone the Fontan procedure.

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Extracardiac or Lateral Funnel Fontan

Exclusion criteria

Exclusion Criteria:

  • Currently being evaluated for or listed for cardiac transplant
  • Underwent Fontan revision or conversion
  • Currently pregnant
05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
146 participants (actual)
Patient registry
No

Groups and cohorts

  • Pediatric Fontan Patients

    Participants ages 10 to 18 who have had Lateral Tunnel or Extracardiac Fontan procedures.

  • Adult Fontan Patients

    Participants ages 18 to 60 who have had Lateral Tunnel or Extracardiac Fontan procedures.

06

What researchers measure

Primary outcomes

  1. Surprise question

    The ability of the cardiologist's response to the "surprise" question to predict adverse cardiac events within 1 year

    Time frame: 1 year

Secondary outcomes

  1. Clinical characteristics and associations of the "good Fontan"

    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.

    Time frame: 1 year

  2. Correlation between patient and provider assessments

    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."

    Time frame: 1 year

  3. Clinician factors associated with adverse events conversation with patients

    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.

    Time frame: 1 year

07

Study locations

1 site
  • Boston Children's Hospital
    Boston, Massachusetts 02115, United States
08

References and documents

Publications

  • d'Udekem Y, Iyengar AJ, Cochrane AD, Grigg LE, Ramsay JM, Wheaton GR, Penny DJ, Brizard CP. The Fontan procedure: contemporary techniques have improved long-term outcomes. Circulation. 2007 Sep 11;116(11 Suppl):I157-64. doi: 10.1161/CIRCULATIONAHA.106.676445. PubMed 17846297 ↗
  • Diller GP, Giardini A, Dimopoulos K, Gargiulo G, Muller J, Derrick G, Giannakoulas G, Khambadkone S, Lammers AE, Picchio FM, Gatzoulis MA, Hager A. Predictors of morbidity and mortality in contemporary Fontan patients: results from a multicenter study including cardiopulmonary exercise testing in 321 patients. Eur Heart J. 2010 Dec;31(24):3073-83. doi: 10.1093/eurheartj/ehq356. Epub 2010 Oct 7. PubMed 20929979 ↗
  • Blume ED, Balkin EM, Aiyagari R, Ziniel S, Beke DM, Thiagarajan R, Taylor L, Kulik T, Pituch K, Wolfe J. Parental perspectives on suffering and quality of life at end-of-life in children with advanced heart disease: an exploratory study*. Pediatr Crit Care Med. 2014 May;15(4):336-42. doi: 10.1097/PCC.0000000000000072. PubMed 24583501 ↗
  • Lakin JR, Robinson MG, Bernacki RE, Powers BW, Block SD, Cunningham R, Obermeyer Z. Estimating 1-Year Mortality for High-Risk Primary Care Patients Using the "Surprise" Question. JAMA Intern Med. 2016 Dec 1;176(12):1863-1865. doi: 10.1001/jamainternmed.2016.5928. No abstract available. PubMed 27695853 ↗
  • Hamano J, Morita T, Inoue S, Ikenaga M, Matsumoto Y, Sekine R, Yamaguchi T, Hirohashi T, Tajima T, Tatara R, Watanabe H, Otani H, Takigawa C, Matsuda Y, Nagaoka H, Mori M, Yamamoto N, Shimizu M, Sasara T, Kinoshita H. Surprise Questions for Survival Prediction in Patients With Advanced Cancer: A Multicenter Prospective Cohort Study. Oncologist. 2015 Jul;20(7):839-44. doi: 10.1634/theoncologist.2015-0015. Epub 2015 Jun 8. PubMed 26054631 ↗

Individual participant data

Plan to share: No

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Ran from Mar 2018 to primary completion in Mar 2023, 60 months.

Of 178 non-industry observational studies under Heart Defects, Congenital, half reached primary completion within 42 months of starting (the median), counting those still running; a quarter within 17 and three quarters within 83. This study's 60 months is above that.

Counting every sponsor, half of 185 studies reached it within 44 months; a quarter within 17 and three quarters within 83.

How these figures are worked out, and which studies are left out of them.

Registered
Mar 6, 2018
First posted
Mar 20, 2018
StartActual
Mar 5, 2018
Primary completionActual
Mar 20, 2023
CompletionActual
Apr 18, 2023
Last update
Apr 19, 2023
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Apr 19, 2023, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT03470428
Collaborators
New England Congenital Cardiology Association (NECCA), Yale University, Dartmouth College, Connecticut Children's Medical Center, University of Vermont, Child Heart Associates, Congenital Heart, University of Massachusetts, Worcester, Massachusetts General Hospital
Responsible party
Rahul Rathod (Cardiologist, Boston Children's Hospital) — Principal investigator
First posted
Mar 20, 2018
Start date
Mar 5, 2018
Primary completion
Mar 20, 2023
Completion
Apr 18, 2023
Last update
Apr 19, 2023

Study contacts

Rahul Rathod, MD
principal investigator · Boston Children's Hospital

Oversight

FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Apr 2023. You cannot join it, but the record below documents what was studied.

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Discussion

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