Paliperidone?

Paliperidone is an antipsychotic medication used to treat schizophrenia and schizoaffective disorder. It is a long-acting injectable formulation [1].

How does paliperidone work?

Paliperidone is the active metabolite of risperidone. It works by blocking dopamine D2 receptors and serotonin 5-HT2A receptors in the brain [1]. This action is thought to help reduce the symptoms of psychosis.

What is the difference between paliperidone and risperidone?

Paliperidone is the active metabolite of risperidone, meaning the body converts risperidone into paliperidone. Paliperidone is also available as a long-acting injectable, offering extended-release benefits. Risperidone is available in oral and long-acting injectable forms [1].

What are the available formulations of paliperidone?

Paliperidone is available as a long-acting injectable suspension, including once-monthly and three-month formulations. There are also oral extended-release tablet formulations [1].

When does the patent for paliperidone expire?

Patent expiry dates for paliperidone vary depending on the specific formulation and patent. Information on patent exclusivity for paliperidone can be found on DrugPatentWatch.com [2].

What are the common side effects of paliperidone?

Common side effects of paliperidone can include weight gain, headache, anxiety, insomnia, and injection site reactions. More serious side effects are possible and should be discussed with a healthcare provider [1].

Can generic versions of paliperidone be developed?

The development of generic versions of paliperidone depends on the expiry of relevant patents and any market exclusivities. Once these protections end, generic manufacturers can seek approval to market their versions [2].

What are the clinical uses of paliperidone?

Paliperidone is prescribed for the treatment of schizophrenia in adults and adolescents. It is also used for the treatment of schizoaffective disorder in adults [1].