Vertex Announces Positive Day 90 Data for the First Patient in the Phase 1/2 Clinical Trial Dosed With VX-880, a Novel Investigational Stem Cell-Derived Therapy for the Treatment of Type 1 Diabetes
Vertex Pharmaceuticals Incorporated (Nasdaq: VRTX) today announced positive Day 90 data for the first patient from the Phase 1/2 clinical trial of VX-880, an investigational stem cell-derived, fully differentiated pancreatic islet cell replacement therapy for people with type 1 diabetes (T1D). This is the first demonstration of a patient with T1D achieving robust restoration of islet cell function from such a cell therapy.
The patient was treated with a single infusion of VX-880 at half the target dose in conjunction with immunosuppressive therapy. The patient achieved successful engraftment and demonstrated rapid and robust improvements in multiple measures, including increases in fasting and stimulated C-peptide, improvements in glycemic control, including HbA1c, and decreases in exogenous insulin requirement. VX-880 was generally well tolerated.
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“These results from the first patient treated with VX-880 are unprecedented. What makes these results truly remarkable is that they were achieved with treatment at half the target dose,” said Bastiano Sanna, Ph.D., Executive Vice President and Chief of Cell and Genetic Therapies at Vertex. “While still early, these results support the continued progression of our VX-880 clinical studies, as well as future studies using our encapsulated islet cells, which hold the potential to be used without the need for immunosuppression.”
“As a surgeon who has worked in the field of islet cell transplantation for decades, this approach, which obviates the need for an organ donor, could be a game changer,” said James Markmann, M.D., Ph.D., Professor of Surgery and Chief of the Division of Transplant Surgery at Massachusetts General Hospital. “We are excited to progress this unique and potentially transformative medicine through clinical trials and to patients.”
“More than a decade ago our lab had a vision for developing an islet cell replacement therapy to provide a functional cure to people suffering from T1D,” said Doug Melton, Ph.D., Xander University Professor at Harvard and an Investigator of the Howard Hughes Medical Institute. “These promising results bring great hope that stem cell-derived, fully differentiated islet cells could deliver a life-changing therapy for people who suffer from the relentless life-long burden of T1D.”