Health & Medical Cancer & Oncology

FDA Approves New Drug to Combat Melanoma

FDA Approves New Drug to Combat Melanoma

FDA Approves New Drug to Combat Melanoma


Experts in the fight against the deadly skin cancer see Keytruda's OK as big step forward

THURSDAY, Sept. 4, 2014 (HealthDay News) -- Advocates for melanoma research are applauding the U.S. Food and Drug Administration's approval on Thursday of a new drug to treat advanced melanoma.

Keytruda (pembrolizumab) is approved for treatment of patients with advanced melanoma that no longer responds to other drugs. It is the first FDA-approved drug that blocks a cellular pathway called PD-1, which restricts the body's immune system from attacking melanoma cells.

"This is the latest in a string of major breakthroughs in melanoma treatment that will galvanize the field of melanoma research and cancer treatment," Wendy Selig, president of the Melanoma Research Alliance, said in a news release from the group. "Pembrolizumab has demonstrated real potential to save the lives of late-stage melanoma patients who had little hope of survival just a few years ago."

According to the FDA, the drug's approval was based on a clinical trial of 173 patients with advanced melanoma. It found that at the recommended dose of 2 milligrams per kilogram, about 24 percent of patients saw their tumors shrink. This effect lasted at least 1.4 months to 8.5 months and continued for a longer period in most patients, the FDA said.

Common side effects of Keytruda include fatigue, cough, nausea, itchy skin, rash, reduced appetite, constipation, joint pain and diarrhea, the agency said.

"Keytruda is the sixth new melanoma treatment approved since 2011, a result of promising advances in melanoma research," Dr. Richard Pazdur, director of the Office of Hematology and Oncology Products in the FDA's Center for Drug Evaluation and Research, said in an agency news release.

"Many of these treatments have different mechanisms of action and bring new options to patients with melanoma," he added.

Another patient advocacy group agreed.

"The approval of pembrolizumab is a tremendous step forward for the melanoma patient community, as this is the most promising and positive patient response to a melanoma treatment to date," Tim Turnham, executive director of the Melanoma Research Foundation, said in a statement. He noted that other drugs that target the PD-1 cellular pathway are in development, and may be approved soon.

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