The Medical Letter on Drugs and Therapeutics
In Brief: Injectable Paliperidone Palmitate for Schizophrenia
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Paliperidone palmitate (Invega Sustenna – Ortho-McNeil Janssen) has been approved by the FDA as a once-monthly injection for acute and maintenance treatment of schizophrenia in adults. An extended-release oral formulation (Invega) has been available since 2006.1 Long-acting injections of antipsychotic drugs typically are used to treat patients who cannot adhere to an oral regimen.2,3 Paliperidone is the primary active metabolite of risperidone (Risperdal), which is also available as a long-acting (every 2 weeks) injection. It is unclear whether either risperidone or paliperidone is a better choice for long-term treatment of schizophrenia than a first-generation drug such as haloperidol, which can also be injected once a month and costs much less.4

1. Paliperidone (Invega) ... more      

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Title: In Brief: Injectable Paliperidone Palmitate for Schizophrenia
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