Usefulness of serotoninergic challenge with oral citalopram

Autor: Paulo Mattos, Vanessa A Franco, François Noel, Daniel Segenreich, José Carlos Gonçalves
Jazyk: English<br />Portuguese
Rok vydání: 2006
Předmět:
Zdroj: Brazilian Journal of Psychiatry, Vol 28, Iss 3, Pp 203-205 (2006)
Druh dokumentu: article
ISSN: 1809-452X
1516-4446
DOI: 10.1590/S1516-44462006000300011
Popis: OBJECTIVE: Challenge tests designed to evaluate serotoninergic pathways have widely used intravenous citalopram. Oral citalopram has also been used, but unsatisfactory results were obtained with a dose of 20 mg. The objective of this study was to determine whether a higher oral dose would reproduce similar to those described for intravenous administration. To that end, we evaluated cortisol, growth hormone and prolactin levels. METHOD: Eight healthy male volunteers were evaluated in a randomized crossover challenge test with 40 mg of oral citalopram or placebo. RESULTS: Cortisol levels increased at 2-4h after the oral citalopram intake, with a small amplitude peak occurring in two-thirds of the subjects. Levels of prolactin and growth hormone remained unchanged throughout the study. CONCLUSION: The use of oral citalopram might present an alternative in serotoninergic challenge tests, but higher doses are required.
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