BioCardia and CellProthera Collaborate on Early Stem Cell Therapy for Patients After Myocardial Infarction


October 30, 2018—CellProthera and BioCardia, Inc. announced an agreement to expand their current collaboration to the SIngXpand clinical trial in Singapore. The study will evaluate the safety and efficacy of in vitro expanded peripheral blood CD34+ stem cells output by the StemXpand automated process and delivered via BioCardia’s Helix biotherapeutic delivery system (known as the Helical infusion catheter outside of the United States) for the treatment of patients soon after myocardial infarction.

Under the terms of the agreement, CellProthera will fund completion of all regulatory and clinical activities undertaken by both firms for the clinical investigation. If the study results in regulatory approval of the product, CellProthera will have exclusive commercial rights in Singapore to the Helix biotherapeutic delivery system for the delivery of culture expanded CD34+ cells to treat patients who have suffered a recent heart attack. BioCardia will receive royalty payments on future sales of the combination product.

According to the companies, published data have shown that delivery of stem cell therapy to the heart using the Helix system resulted in superior cell retention and fewer treatments for emergent major adverse cardiac events than either percutaneous intracoronary infusion or direct injection using a straight needle. Additionally, peer-reviewed literature on clinical trials of CD34+ cells have noted minimal adverse events, with potential benefit in the treatment of cardiac conditions.

The published results of the pilot study conducted by CellProthera have shown meaningful improvement in cardiac functions after injection of CD34+ stem cells into the myocardium following heart attack, noted the companies.


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Cardiac Interventions Today (ISSN 2572-5955 print and ISSN 2572-5963 online) is a publication dedicated to providing comprehensive coverage of the latest developments in technology, techniques, clinical studies, and regulatory and reimbursement issues in the field of coronary and cardiac interventions. Cardiac Interventions Today premiered in March 2007 and each edition contains a variety of topics in a flexible format, including articles covering various perspectives on current clinical topics, in-depth interviews with expert physicians, overviews of available technologies, industry news, and insights into the issues affecting today's interventional cardiology practices.