Jazz NDA for Liver Condition After Stem Cell Transplant

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FDA has approved a Jazz Pharmaceuticals NDA for Defitelio (defibrotide sodium) to treat adults and children who develop hepatic veno-occlusive disease (VOD) with additional kidney or lung abnormalities after receiving a hematopoietic stem cell transplantation (HSCT). Hepatic VOD can occur in patients who receive chemotherapy and HSCT, according to an agency news release. It is characteristic of veins in the liver becoming blocked, causing swelling and a decrease in blood flow, which may lead to liver damage.

Approval was based on data from 528 patients treated in three studies — two prospective clinical trials and an expanded access study. “In the three studies, 38 to 45% of patients treated with Defitelio were alive 100 days after HSCT,” FDA says. “Based on published reports and analyses of patient-level data, the expected survival rates 100 days after HSCT would be 21 to 31% for patients with severe hepatic VOD who received only supportive care or interventions other than Defitelio.

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