CIRM-catalyzed spinout files for IPO to develop therapies for genetic diseases

Graphite Bio, a CIRM-catalyzed spinout from Stanford University that launched just 14 months ago has now filed the official SEC paperwork for an initial public offering (IPO). The company was formed by CIRM-funded researchers Matt Porteus, M.D., Ph.D. and Maria Grazia Roncarolo, M.D.

Six years ago, Dr. Porteus and Dr. Roncarolo, in conjunction with Stanford University, received a CIRM grant of approximately $875K to develop a method to use CRISPR gene editing technology to correct the blood stem cells of infants with X-linked severe combined immunodeficiency (X-SCID), a genetic condition that results in a weakened immune system unable to fight the slightest infection.

Recently, Dr. Porteus, in conjunction with Graphite, received a CIRM grant of approximately $4.85M to apply the CRISPR gene editing approach to correct the blood stem cells of patients with sickle cell disease, a condition that causes “sickle” shaped red blood cells. As a result of this shape, the cells clump together and clog up blood vessels, causing intense pain, damaging organs, and increasing the risk of strokes and premature death. The condition disproportionately affects members of the Black and Latin communities.

CIRM funding helped Stanford complete the preclinical development of the sickle cell disease gene therapy and it enabled Graphite to file an Investigational New Drug (IND) application with the U.S. Food and Drug Administration (FDA), one of the last steps necessary before conducting a human clinical trial of a potential therapy. Towards the end of 2020, Graphite got the green light from the FDA to conduct a trial using the gene therapy in patients with sickle cell disease.

In a San Francisco Business Times report, Graphite CEO Josh Lehrer stated that the company’s goal is to create a platform that can apply a one-time gene therapy for a broad range of genetic diseases.

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