Central monoamine metabolism in depressions. I. Serotonin and related compounds

HM Van Praag - Comprehensive Psychiatry, 1980 - Elsevier
This article reviews research into the possible significance of disorders of the central 5-HT
metabolism in the pathogenesis of recurrent depressions. The available data would seem to …

Cerebrospinal fluid 5-hydroxyindolacetic acid and aggression: a critical reappraisal of the clinical data

S Tuinier, WMA Verhoeven… - International clinical …, 1995 - journals.lww.com
: Over the past 15 years several clinical studies have been published dealing with the
hypothesis that disturbances in central serotonergic functioning could be related to outward …

Endogenous depressions with and without disturbances in the 5-hydroxytryptamine metabolism: A biochemical classification?

HM van Praag, J Korf - Psychopharmacologia, 1971 - Springer
The influence of iv administered probenecid on the 5-HIAA concentration in the CSF was
studied in a group of patients with vital (“endogenous”) depression and a non-depressive …

Retarded depression and the dopamine metabolism

HM Van Praag, J Korf - Psychopharmacologia, 1971 - Springer
It was demonstrated that the influence of iv administered probenecid on HVA concentration
in CSF was less pronounced in a group of retarded depression than in a group of non-…

A stubborn behaviour: the failure of antidepressants to reduce suicide rates

HM Van Praag - The World Journal of Biological Psychiatry, 2003 - Taylor & Francis
Over the past decades the rate of completed suicide has remained quite stable, that of
suicide attempts even seems to have increased (to the extent it has been studied in defined …

Dopamine metabolism in depressions, psychoses, and Parkinson's disease: the problem of the specificity of biological variables in behaviour disorders

HM Van Praag, J Korf, J Lakke, T Schut - Psychological Medicine, 1975 - cambridge.org
The probenecid technique was used in a study of the central dopamine DA metabolism in
patients with depressions, psychotic disorders, and Parkinson's disease. The disturbances …

A pilot study of the predictive value of the probenecid test in application of 5-hydroxytryptophan as antidepressant

HM Van Praag, J Korf, LCW Dols, T Schut - Psychopharmacologia, 1972 - Springer
In depressions, varying therapeutic effects have been obtained with 5-HT precursors. This is
possibly due to the fact that the group of the depressions is pathogenetically heterogeneous…

Why has the antidepressant era not shown a significant drop in suicide rates?

HM Van Praag - Crisis: The Journal of Crisis Intervention and …, 2002 - psycnet.apa.org
Notes that over the past decades, the rate of completed suicide has remained quite stable,
whereas that of suicide attempts seems to have increased (to the extent it has been studied in …

Neuroendocrine disorders in depressions and their significance for the monoamine hypothesis of depression

HM Praag - Acta Psychiatrica Scandinavica, 1978 - Wiley Online Library
This article discusses the results of recent neuroendocrinological research in depressions.
The abnormalities found in a given category of vital depressive patients ‐ cortisol …

Controlled study comparing nomifensine and clomipramine in unipolar depression, using the probenecid technique.

JD Van Scheyen, HM Van Praag… - British Journal of Clinical …, 1977 - Wiley Online Library
1. Central dopamine turnover may be lowered in patients with unipolar endogenous depression
particularly when associated with retardation. 2. Nomifensine selectively activates the …