New dose approved for injectable risperidone

April 30, 2007

The FDA has given the green light for a 12.5-mg dose of the long-acting injectable formulation of risperidone, Risperdal Consta, from Alkermes and Janssen.

The FDA has given the green light for a 12.5-mg dose of the long-acting injectable formulation of risperidone, Risperdal Consta, from Alkermes and Janssen. The new dosage is scheduled to be available by May 1 and is approved for the treatment of schizophrenia. Risperdal Consta, which is given by injection every two weeks, was previously available in 25-mg, 37.5-mg, and 50-mg dose units.

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