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Title: Osteoporosis after combined use of a neuroleptic and antidepressants
Authors: Laekeman, Gert ×
Zwaenepoel, Lieven
Reyntens, Johan
de Vos, Marc
Casteels, Minne #
Issue Date: Oct-2008
Series Title: Pharmacy world & science : PWS vol:30 issue:5 pages:613-6
Abstract: Bone mineral density may be negatively influenced by hyperprolactinemia, which can be caused by atypic neuroleptics and antidepressants. CASE DESCRIPTION: The present paper reports about a spontaneous rib fracture in a female patient (age 52) taking neuroleptics (mainly risperidone), antidepressants (mainly sertraline), and anxiolytics (mainly lorazepam). At the time of the fracture a severe osteoporosis and a strongly enhanced plasma prolactin level (117 ng/ml; normal values: 3-24 ng/ml) were detected. The latter one normalized 2 months after abandoning sertraline and risperidone. After this normalization, the patient did not report further accidents up to now. DISCUSSION: Enhancement of plasma prolactin levels is linked to the mechanism of action of risperidone. Mammoplasia and increased plasma prolactin can occur during SSRI (Selective Serotonin Reuptake Inhibitors) or trazodone administration. The role of anxiolytics is less clear. The causal relationship between osteoporosis and long-term use of neuroleptics and antidepressants was assessed using probability scores, more particularly the Naranjo probability scale and the Bradford-Hill criteria of causality. A score of 6/13 (probable) was obtained with the Naranjo scale, whereas all 9 Bradford-Hill criteria were fulfilled. CONCLUSION: Although this case could not be fully explored, attention should be paid to bone mineral density loss in depressed patients taking a combined therapy of atypic antipsychotics and antidepressants.
URI: 
ISSN: 0928-1231
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Laboratory of Lipid Biochemistry and Protein Interactions
Research Centre for Pharmaceutical Care and Pharmaco-economics (-)
Department of Pharmaceutical & Pharmacological Sciences - miscellaneous
× corresponding author
# (joint) last author

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