Antidepressant Fluoxetine Does Not Appear to Interfere With Key Translational Parameters in the Rat Adjuvant-induced Arthritis Model

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BACKGROUND/AIM: This study aimed to investigate the analgesic effects of fluoxetine on Lewis rats of both sexes in the adjuvant-induced arthritis (AIA) rat model. In humans, chronic pain syndromes typical of rheumatoid arthritis (RA) co-exist with depression which is often treated with fluoxetine antidepressant known to have antinociceptive effects. MATERIALS AND METHODS: The experiment was terminated on day 26, after seven days of oral treatment (days 19-25) with fluoxetine and indomethacin. The effects of treatments were assessed on the final day of the study through measuring body weight, serum concentrations of a1-acid glycoprotein, visual arthritis assessment and post mortem histopathology assessment. RESULTS: Statistically significant difference was determined in the body weight of male subjects, with indomethacin-treated animals putting on significantly more weight than the vehicle and fluoxetine-treated counterparts. No differences were found between the different treatment groups in other study assessments. CONCLUSION: The present study did not provide support for analgesic effects of fluoxetine aimed at reducing the severity of the AIA model.

Original languageEnglish
JournalIn Vivo
Volume36
Issue number2
Pages (from-to)635-642
ISSN0258-851X
DOIs
Publication statusPublished - 2022

Bibliographical note

Publisher Copyright:
Copyright © 2022, International Institute of Anticancer Research (Dr. George J. Delinasios), All rights reserved.

    Research areas

  • analgesia, fluoxetine, rat model, Rheumatoid arthritis

ID: 300066186