When Was Stelazine First Used?

Trifluoperazine was first reported to be effective for GAD by Mendels and Schless in a double-blind placebo controlled study in 1986. However, it was approved in 2001 for use in GAD for only 4 weeks by the US FDA.

When was stelazine discontinued?

Stelazine has been discontinued by its manufacturer and is no longer for sale in the United States as of 2004. It is available by its generic name only.

What is the oldest antipsychotic drug?

Chlorpromazine was the first antipsychotic and was followed by a large number of other antipsychotics, many with diverse chemical structures. However, so far, no antipsychotic has been shown to be significantly more effective than chlorpromazine in treating schizophrenia with the notable exception of clozapine.