Skip to main content
Log in

EEG and blood level of the potential antidepressant paroxetine after a single oral dose to normal volunteers

  • Original Investigations
  • Published:
Psychopharmacology Aims and scope Submit manuscript

Abstract

The quantitative electroencephalogram (EEG) and plasma concentration of the antidepressant paroxetine were monitored in five normal volunteers after a single oral dose of 70 mg paroxetine and placebo. Peak plasma concentration occurred 4–6 h post-dose. Placebo had little effect on the EEG but the effects of paroxetine were statistically significant at 6 h post-dose. The EEG changes after treatment consisted of a decrease in delta and theta activity (< 8 Hz) and increase in beta activity (>12 Hz). These changes were still evident 72 h after treatment. The EEG profile obtained with 70 mg paroxetine is similar to that reported for other antidepressant 5-HT uptake inhibitors, but dissimilar to the classical, sedative antidepressants.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  • Buss Lassen J (1978a) Potent and long-lasting potentiating of two 5-hydroxytryptophan-induced effects in mice by three selective 5-HT uptake inhibitors. Eur J Pharmacol 47:351–358

    Google Scholar 

  • Buss Lassen J (1978b) Influence of the new 5-HT uptake inhibitor paroxetine on hypermotility in rats produced by p-chloroamphetamine (PCA) and 4,α-dimethyl-m-tyramine (H77/77). Psychopharmacology 57:151–153

    Google Scholar 

  • Fink M, Irwin P, Gastpar M, Deridder JJ (1977) EEG, blood level, and behavioral effects of the antidepressant mianserin (ORG GB94). Psychopharmacology 54:249–254

    Google Scholar 

  • Heel RC, Morley PA, Brogden RN, Carmine AA, Speight TM, Avery GS (1982) Zimelidine: a review of its pharmacological properties and therapeutic efficacy in depressive illness. Drugs 24:169–206

    Google Scholar 

  • Irwin P (1982) Spectral Difference Index: a single EEG measure of drug effect. Electroencephalogr Clin Neurophysiol 54: 342–346

    Google Scholar 

  • Itil TM, Polvan N, Hsu W (1972) Clinical and EEG effects of GB94, a “tetracyclic” antidepressant. (EEG model in discovery of a new psychotropic drug.) Curr Ther Res 14:394–413

    Google Scholar 

  • Itil TM (1974) Quantitative pharmaco-electroencephalography. In: Itil TM (ed) Psychotropic drugs and the human EEG. Karger, Basel, pp 43–75

    Google Scholar 

  • Itil TM, Bhattachyara A, Polvan N, Huque M, Menom GN (1977) Fluvoxamine (Du-23,000), a new antidepressant. Quantitative pharmacoelectroencephalography and pilot clinical trials. Prog Neuro-Psychopharmacol 1:309–322

    Google Scholar 

  • Klok CJ, Brouwer GJ, van Praag HM, Doogan D (1981) Fluvoxamine and clomipramine in depressed patients. Acta Psychiatr Scand 64:1–11

    Google Scholar 

  • Lund J, Lomholt B, Fabricius J, Christensen JA, Bechgaard E (1979) Paroxetine: pharmacokinetics, tolerance and depletion of blood 5-HT in man. Acta Pharmacol Toxicol 44:289–295

    Google Scholar 

  • Petersen EN, Olsson SO, Squires RF (1977) Effects of 5-HT uptake inhibition on the pressor response to 5-HT in the pithed rat. The significance of 5-HT blocking property. Eur J Pharmacol 43:209–215

    Google Scholar 

  • Petersen EN, Bechgaard E, Sortwell RJ, Wetterberg L (1978) Potent depletion of 5-HT from monkey whole blood by a new 5-HT uptake inhibitor, paroxetine (FG7051). Eur J Pharmacol 52:115–119

    Google Scholar 

  • Saito M, Kita S, Kagono Y (1980) Drug induced changes and the orientations of clinical effects — zimelidine and sulpiride. Presentation to Conference EEG in Drug Research, Berlin, June 1980

  • Saletu B (1982) Pharmaco-EEG profiles of typical and atypical antidepressants. In: Costa E, Racagni G (eds) Typical and atypical antidepressants: Clinical practice. Raven Press, New York, pp 257–268

    Google Scholar 

  • Saletu B, Grunberger J, Rajna P (1983) Pharmaco-EEG profiles of antidepressants. Pharmacodynamic studies with fluvoxamine. Br J Clin Pharmacol 15:369–384

    Google Scholar 

  • Schenk GK, Filler W, Rauft W, Zerbin D (1981) Double-blind comparisons of a selective serotonin uptake inhibitor, zimelidine, and placebo on quantified EEG parameters and psychological variables. In: Recent advances in the treatment of depression. Acta Psychiatr Scand 63 (Suppl):303–313

    Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Rights and permissions

Reprints and permissions

About this article

Cite this article

McClelland, G.R., Raptopoulos, P. EEG and blood level of the potential antidepressant paroxetine after a single oral dose to normal volunteers. Psychopharmacology 83, 327–329 (1984). https://doi.org/10.1007/BF00428539

Download citation

  • Received:

  • Accepted:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF00428539

Key words

Navigation