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Psychoactive "bath salts": not so soothing.

Michael H Baumann1, John S Partilla, Kurt R Lehner

  • 1Medicinal Chemistry Section, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, 333 Cassell Drive, Suite 4500, Baltimore, MD 21224, USA. mbaumann@mail.nih.gov

European Journal of Pharmacology
|November 27, 2012
PubMed
Summary
This summary is machine-generated.

Bath salts, containing synthetic cathinones, cause euphoria and serious adverse effects. Research shows these substances affect brain neurotransmitters, indicating a high addiction potential and need for further study.

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Area of Science:

  • Neuroscience
  • Pharmacology
  • Toxicology

Background:

  • The abuse of
  • bath salts
  • has increased, with these products often sold as legal alternatives to illicit stimulants.
  • Bath salts contain synthetic cathinones, which can cause euphoria at low doses but severe adverse effects like hallucinations and tachycardia at higher doses or with chronic use.
  • Several synthetic cathinones, including mephedrone, methylone, and MDPV, are now illegal in many countries due to their risks.

Purpose of the Study:

  • To investigate the pharmacological and toxicological profiles of synthetic cathinones found in bath salts.
  • To understand the mechanisms by which synthetic cathinones affect neurotransmitter systems in the brain.
  • To inform public health policies and treatment strategies for bath salt abuse.

Main Methods:

  • Review of existing literature on the pharmacology and toxicology of synthetic cathinones.
  • Analysis of the effects of synthetic cathinones on plasma membrane transporters for dopamine (DAT), norepinephrine (NET), and serotonin (SERT).
  • Examination of studies detailing the impact of synthetic cathinones on extracellular neurotransmitter concentrations and locomotor activity in rodents.

Main Results:

  • Mephedrone and methylone act as non-selective transporter substrates, increasing dopamine, norepinephrine, and serotonin release.
  • MDPV acts as a potent blocker of DAT and NET, with minimal effect on SERT.
  • Administration of mephedrone or methylone to rats increased extracellular dopamine and serotonin, leading to locomotor activation, similar to MDMA effects.

Conclusions:

  • Synthetic cathinones significantly impact dopamine, norepinephrine, and serotonin systems, suggesting a high potential for addiction.
  • The distinct mechanisms of action among different synthetic cathinones (e.g., mephedrone/methylone vs. MDPV) highlight the complexity of bath salt pharmacology.
  • Continued emergence of new cathinones necessitates ongoing research into their pharmacology and toxicology to address public health concerns and develop effective treatments.