Side effect profile of azathioprine in the treatment of chronic schizophrenic patients

Joseph Levine, Jacob Gutman, Rodica Feraro, Pnina Levy, Robert Kimhi, Igor Leykin, Michael Deckmann, Zeev T. Handzel, Meir Shinitzky

    Research output: Contribution to journalArticlepeer-review

    13 Scopus citations

    Abstract

    Various findings suggest auto-immune changes in schizophrenia. We have recently demonstrated that platelets from schizophrenic patients bear auto-antibodies (PAA) which cross-react with brain antigens. Accordingly, treatment of schizophrenia with an immunosuppressant might be of potential benefit. In a recent case study, a chronic schizophrenic patient treated with azathioprine has demonstrated a clear psychiatric improvement preceded by a decrease in PAA level. A phase I study designed for assessing side-effects of short-term azathioprine treatment in a group of schizophrenic patients is described here. From a group of 40 chronic non-responsive patients, 14 patients demonstrating high PAA level have entered the study and 11 have complied all along. Two groups were tested in parallel. In the first (6 patients) 150 mg/day was given for 7 weeks while in the second (5 patients) the same regimen was given for two periods of 7 weeks with an interval of 6 weeks. Blood biochemistry and cell count, as well as determination of PAA were carried out weekly, starting 3 weeks before the trial and continuing up to 7 weeks after the treatment. Two out of 11 patients developed leucopenia in week 4. No other side-effects were recorded in any of the patients. A substantial reduction in PAA was observed in 3 out of 6 patients in group I and 4 out of 5 in group II. Two patients showed improvement of psychiatric symptomatology. Our results demonstrate that short-term azathioprine treatment induces transient leucopenia in 18% of the patients recieving the drug, much alike the percentage reported for other patient populations.

    Original languageEnglish
    Pages (from-to)172-176
    Number of pages5
    JournalNeuropsychobiology
    Volume36
    Issue number4
    DOIs
    StatePublished - 1 Jan 1997

    Keywords

    • Auto-immunity
    • Azathioprine
    • Platelet auto-antibodies
    • Schizophrenia

    ASJC Scopus subject areas

    • Neuropsychology and Physiological Psychology
    • Psychiatry and Mental health
    • Biological Psychiatry

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