Introduction

A serotonin–dopamine releasing agent (SDRA) is a type of drug which induces the release of serotonin and dopamine in the body and/or brain.

A closely related type of drug is a serotonin–dopamine reuptake inhibitor (SDRI).

Examples of SDRAs

A number of tryptamine derivatives have been found to act as SDRAs. One such agent is 5-chloro-αMT (PAL-542), which has been reported as having about 64-fold selectivity for dopamine release over norepinephrine release and about 3-fold selectivity for serotonin release over dopamine release, making it a highly selective and well-balanced SDRA. Another agent is 5-fluoro-αET (PAL-545), which has about 35-fold selectivity for dopamine release over norepinephrine release and about 4-fold selectivity for serotonin release over dopamine release. Though selective for inducing the release of serotonin and dopamine over norepinephrine, these agents are not selective monoamine releasers; they have all also been found to be potent agonists of the 5-HT_2A receptor, and may act as agonists of other serotonin receptors as well.

UWA-101 is an SDRI that, based on its chemical structure, may also have a great efficacy as a releasing agent of serotonin and dopamine.

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