Risperidone long-acting injection is the first and only long-acting, atypical antipsychotic to be approved by the U.S. Food and Drug Administration and now is approved in more than 70 countries worldwide. The treatment uses Alkermes proprietary Medisorb(R) technology to deliver and maintain therapeutic medication levels in the body through just one injection every two weeks. Janssen markets Risperidone long-acting injection in the United States. The formulation is manufactured by Alkermes, Inc. (Nasdaq: ALKS). Available in 12.5 mg, 25 mg, 37.5 mg and 50 mg dose units, it is approved for the treatment of schizophrenia. For more information about RISPERDAL CONSTA, visit http://www.risperdalconsta.com.