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CDC HIV/AIDS/Viral Hepatitis/STD/TB Prevention News Update

UNITED STATES: FDA Panel Supports Early Approval of J&J Tuberculosis Drug


Fox Business (11.28.12) Aids Weekly Plus

The Food and Drug Administration’s Anti-Infective Drugs Advisory Committee approved a pharmaceutical company’s request for accelerated approval of the drug bedaquiline to treat TB, in spite of concerns about an imbalance of deaths in clinical studies. Johnson & Johnson’s Janssen Research & Development had requested the accelerated approval—a type of temporary approval based on less clinical data than is usually required for traditional drug approvals—on the drug as a treatment for drug-resistant TB. The panel of non-FDA medical experts reviewed the proposal on November 28; they voted 18 to 0 for approval, arguing that there was “substantial evidence” that bedaquiline was effective, and 11 to 7 in favor of a similar safety question. Panel members were divided on whether the drug contributed to the deaths that were seen in clinical studies. Representatives from the pharmaceutical company said that if the drug was approved, they would propose making it available only through public health agencies in the United States to limit its use to patients with drug-resistant TB. Only about 100 cases of drug-resistant TB are seen in the United State, but the problem is more widespread in developing countries. Data from the Phase 2 clinical studies of bedaquiline suggested that it killed TB bacteria faster than the placebo. All patients in the trial received other drugs used to treat TB. There were more deaths among the patients treated with bedaquiline. Most of the deaths were attributed to the underlying TB disease. An FDA medical reviewer stated that in some of the deaths, a contributory role of bedaquiline, when combined with other drugs used to treat TB, could not be ruled out. Also, there was not enough data for the FDA to rule out potential side effects on the liver and heart. FDA officials said that information from the larger, planned clinical studies is needed to get a better idea of the drug’s safety profile. Janssen will begin a larger study early in 2013. The data from that study will have to be submitted to the FDA to get regular approval of bedaquiline. Also, the FDA has the power to rescind the accelerated approval if additional data suggest a safety problem or do not show a benefit.


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Information in this article was accurate in November 29, 2012. The state of the art may have changed since the publication date. This material is designed to support, not replace, the relationship that exists between you and your doctor. Always discuss treatment options with a doctor who specializes in treating HIV.