FDA Approves Implant To Treat Opioid Dependence

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The U.S. Food and Drug Administration has announced approval of Probuphine, an implant for treatment of opioid dependence. It is marketed by San Francisco-based Titan Pharmaceuticals Inc. and Braeburn Pharmaceuticals based in Princeton, New Jersey.

Probuphine is designed to provide a constant, low-level dose of buprenorphine for six months in patients. Previously, buprenorphine for the treatment of opioid dependence was only approved as a pill or a film placed under the tongue or on the inside of a person’s cheek until it dissolved.

The safety and efficacy of Probuphine were demonstrated in a randomized clinical trial of adults who met the clinical criteria for opioid dependence and were considered stable after prior buprenorphine treatment. Sixty-three percent of Probuphine-treated patients had no evidence of illicit opioid use throughout the six months of treatment – similar to the 64 percent of those who responded to sublingual (under the tongue) buprenorphine alone. The most common side effects from treatment with Probuphine include implant-site pain, itching, and redness, as well as headache, depression, constipation, nausea, vomiting, back pain, toothache and oropharyngeal pain.

Probuphine implants contain a significant amount of drug that can potentially be expelled or removed, resulting in the potential for accidental exposure or intentional misuse and abuse if the implant comes out of the skin. Patients should be seen during the first week after insertion and a visit schedule of no less than once-monthly is recommended for continued counseling and psychosocial support.

"Opioid abuse and addiction have taken a devastating toll on American families. We must do everything we can to make new, innovative treatment options available that can help patients regain control over their lives,” said FDA Commissioner Robert M. Califf, M.D. “Today’s approval provides the first-ever implantable option to support patients’ efforts to maintain treatment as part of their overall recovery program.”