At a glance
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Phase IIb Study of Intramyocardial Injection of Autologous Umbilical Cord Blood Derived Mononuclear Cells During Stage II Surgical Repair of Right Ventricular Dependent Variants of Hypoplastic Left Heart Syndrome (AutoCell-S2)
In Brief
A Phase 2 clinical trial evaluating Autologous (self) mononuclear cells derived from umbilical cord blood and Stage II Surgical repair for Hypoplastic Left Heart Syndrome. Active but no longer recruiting, targeting 95 participants across 8 sites.
Detailed 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 single ventricle patients with hypoplastic left heart syndrome (HLHS) or HLHS variant. Researchers want to see if there are changes in the heart's structure/function following this stem cell-based therapy and compared to children that have not had cell-based therapy.
Study Details
Timeline
Interventions
The investigational product will be delivered into the right myocardium via sub-epicardial injections of 0.1 mL per kg body weight to achieve the target dose of 1-3 million TNC per kg body weight.at the time of Stage II surgical repair.
This operation usually is performed about six months after Stage I surgery to divert half of the blood to the lungs when circulation through the lungs no longer needs as much pressure from the ventricle. The shunt to the pulmonary arteries is disconnected and the right pulmonary artery is connected directly to the superior vena cava, the vein that brings deoxygenated blood from the upper part of the body to the heart. This sends half of the deoxygenated blood directly to the lungs without going through the ventricle.