Chlorpromazine is marketed under several brand names. The most well-known is Thorazine [1]. Other names include Largactil and Promapar [2].
What is Chlorpromazine Used For?
Chlorpromazine is an antipsychotic medication primarily used to manage symptoms of schizophrenia, bipolar disorder, and other psychotic conditions [3]. It can also be used to treat nausea and vomiting, severe behavioral problems in children, and as a short-term treatment for severe pain [3].
How Does Chlorpromazine Work?
As a typical antipsychotic, chlorpromazine functions by blocking dopamine receptors in the brain. It also affects other neurotransmitters like serotonin, histamine, acetylcholine, and norepinephrine, contributing to its range of therapeutic effects and side effects [4].
When Does Chlorpromazine Patent Exclusivity End?
Information regarding the specific patent expiry dates for chlorpromazine is not readily available. As an older medication, many of its original patents have likely expired, opening the door for generic versions. DrugPatentWatch.com tracks patent information for a wide range of pharmaceuticals [5].
Are There Generic Versions of Chlorpromazine Available?
Yes, generic versions of chlorpromazine are available. Due to the expiration of original patents, multiple manufacturers produce generic chlorpromazine, which can make it a more affordable treatment option [5].