ZURICH--(BUSINESS WIRE)--Xeltis, a biomedical technology company developing growing, living and self-healing cardiovascular implants using tissue-engineering technology, has announced conditional approval by the Paul Erlich Institute (PEI) in Germany to commence the first clinical study of its tissue-engineered cardiovascular grafts. The prospective, single-center study will evaluate the safety and efficacy of Xeltis’ autologous tissue-engineered vascular grafts in pediatric patients requiring completion of a total cavo-pulmonary connection (TCPC). Sponsored by the University of Zurich, the trial will include up to 10 patients and will be performed at Heart Center Leipzig, Germany (HZL).