FDA Approves Jazz’ Zepzelca for Some Lung Cancers

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FDA says it has granted accelerated approval to Jazz Pharma’s Zepzelca (lurbinectedin) for adult patients with metastatic small cell lung cancer with disease progression on or after platinum-based chemotherapy. An agency announcement says the drug’s efficacy was demonstrated in a multi-center trial enrolling 105 patients who received lurbinectedin by intravenous infusion every 21 days until disease progression or unacceptable toxicity.

The most common adverse reactions, including laboratory abnormalities, were myelosuppression, fatigue, increased creatinine, increased alanine aminotransferase, increased glucose, nausea, decreased appetite, musculoskeletal pain, decreased albumin, constipation, dyspnea, decreased sodium, increased aspartate aminotransferase, vomiting, cough, decreased magnesium, and diarrhea.

The indication was approved under accelerated approval based on overall response rate and duration of response, FDA says. Continued approval for the indication may be contingent upon verification and description of clinical benefit in confirmatory trials.

FDA says the review was conducted under the Oncology Center of Excellence Project Orbis, which provides a framework for concurrent submission and review of oncology products among international partners. The drug was granted orphan drug designation for this treatment and priority review for this application.

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