Azacyclonol

Azacyclonol (trade names Ataractan, Calmeran, Frenoton, Frenquel, Psychosan), also known as γ-pipradol, is a drug which is a so-called ataractive, or agent which diminishes hallucinations in psychotic individuals.[1][2] It has also been called a tranquilizer and antipsychotic, though these definitions are not accurate as it does not actually possess such properties. Despite being a positional isomer of pipradrol, it is not a psychostimulant, and instead has mild depressant effects.[1][3]

The drug was introduced in Europe in the mid-1950s for the treatment of schizophrenia likely on account of the fact that it was found to attenuate the subjective psychedelic effects of LSD and mescaline in humans.[1][4] However, due to poor and mixed clinical effectiveness[4] it never gained widespread acceptance and was eventually discontinued.

The antihistamine agent terfenadine produces azacyclonol as an active major metabolite.[5]

See also

References

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