FDA Approves Hepzato for Uveal Melanoma

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FDA has approved Delcath Systems’ Hepzato Kit (melphalan for injection/hepatic delivery system) for liver-directed treatment in adult patients with uveal melanoma with unresectable hepatic metastases affecting less than 50% of the liver and no extrahepatic disease, or extrahepatic disease limited to the bone, lymph nodes, subcutaneous tissues, or lung that is amenable to resection or radiation.

Approval is based on data from the FOCUS study, a single-arm, multicenter, open-label trial in 91 patients with uveal melanoma with unresectable hepatic metastases, according to an FDA news release. “The main efficacy outcome measures were objective response rate (ORR) and duration of response (DoR) as assessed by an independent central review committee using RECIST v1.1,” it says. “ORR was 36.3% (95% CI: 26.4, 47) and median DoR was 14 months (95% CI: 8.3, 17.7).”

The agency says the drug was approved with Boxed Warning for severe peri-procedural complications including hemorrhage, hepatocellular injury, and thromboembolic events. “The prescribing information also has a Boxed Warning for myelosuppression with resulting severe infection, bleeding, or symptomatic anemia,” it says, adding that a Risk Evaluation and Mitigation Strategy called the Hepzato kit REMS was required.

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