Gamida Cell Therapy Approved by FDA

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FDA has approved a Gamida Cell Ltd. BLA for Omisirge (omidubicel-onlv), a modified allogeneic (donor) cord blood-based cell therapy to speed recovery of neutrophils in the body and reduce infection risks. The therapy is intended for use in adults and pediatric patients 12 years and older with blood cancers planned for umbilical cord blood transplantation following a myeloablative conditioning regimen (radiation or chemotherapy), an FDA release says. “Hastening the return of the body’s white blood cells can reduce the possibility of serious or overwhelming infection associated with stem cell transplantation,” the agency adds.

FDA says stem cell transplantation is a common treatment for blood cancers. “Omisirge, administered as a single intravenous dose, is composed of human allogeneic stem cells from umbilical cord blood that are processed and cultured with nicotinamide (a form of vitamin B3),” it says. Each dose is patient-specific and contains stem cells from an allogeneic pre-screened donor.

Approval was based on data from 125 patients, and 87% of subjects who were randomized to receive Omisirge achieved neutrophil recovery with a median of 12 days following treatment with the product, compared to 83% of subjects who were randomized to receive umbilical cord blood transplantation and who achieved neutrophil recovery with a median of 22 days, according to FDA. “Bacterial or fungal infections by 100 days following transplantation were seen in 39% of subjects receiving Omisirge versus 60% of subjects in the control group who received umbilical cord blood,” it says.

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