Status:

ACTIVE_NOT_RECRUITING

Intramyocardial Injection of Autologous Umbilical Cord Blood Derived Mononuclear Cells During Surgical Repair of Hypoplastic Left Heart Syndrome

Lead Sponsor:

Timothy J Nelson, MD, PhD

Collaborating Sponsors:

University of Oklahoma

Children's Hospital of Philadelphia

Conditions:

Hypoplastic Left Heart Syndrome

Eligibility:

All Genders

Up to 12 years

Phase:

PHASE2

Brief Summary

Researchers want to better understand what happens to the heart when the stem cells are injected directly into the muscle of the right side of the heart during the Stage II palliative surgery for sing...

Detailed Description

This is a Phase IIb trial to determine if the delivery of the autologous UCB-MNC product into the myocardium of the right ventricle of the heart at the time of Stage II surgical repair will provide an...

Eligibility Criteria

Inclusion

  • Diagnosis of HLHS or HLHS variant with single right ventricular dependent CHD having undergone Stage I surgical repair and undergoing Stage II surgical repair.
  • Less than 13 months of age at time of Stage II surgical repair
  • Previous participation in the UCB collection protocol with autologous UCB-MNC product that is acceptable for use (treatment arm only)

Exclusion

  • History of DMSO reaction (treatment arm only).
  • Parent(s) and/or legal guardian(s) unwilling to have their child participate or unwilling to follow the study procedures.
  • Severe chronic diseases at the discretion of the treating physician.
  • Extensive extra-cardiac syndromic features.
  • Known history of cancer.
  • Any of the following complications of his/her congenital heart disease:
  • Any condition requiring urgent, or unplanned interventional procedure within 15 days prior to Stage II surgical repair, unless complete and full cardiac recovery is documented by site investigator
  • Severe pulmonary hypertension (reported in the medical record as \>70% systemic pressure)
  • Other clinical concerns as documented by a site investigator that would predict (more likely to happen than not to happen) a risk of severe complications or very poor outcome, not directly related to the stem cell product or its injection procedure, during or after Stage II surgical repair.

Key Trial Info

Start Date :

June 6 2019

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

February 1 2026

Estimated Enrollment :

95 Patients enrolled

Trial Details

Trial ID

NCT03779711

Start Date

June 6 2019

End Date

February 1 2026

Last Update

July 8 2025

Active Locations (8)

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Page 1 of 2 (8 locations)

1

Children's of Alabama

Birmingham, Alabama, United States, 35233

2

Children's Hospital of Los Angeles

Los Angeles, California, United States, 90027

3

Children's Hospital Colorado

Aurora, Colorado, United States, 80045

4

Ocshner Medical Center

New Orleans, Louisiana, United States, 70121