Improvement of extrapyramidal symptoms following dehydroepiandrosterone (DHEA) administration in antipsychotic treated schizophrenia patients: a randomized, double-blind placebo controlled trial |
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Authors: | Nachshoni Tali Ebert Tanya Abramovitch Yehuda Assael-Amir Miriam Kotler Moshe Maayan Rachel Weizman Abraham Strous Rael D |
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Affiliation: | Beer Yaakov Mental Health Center, PO Box 1, Beer Yaakov 70350, Israel. |
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Abstract: | Recent investigation in schizophrenia indicated dehydroepiandrosterone (DHEA) levels to be inversely correlated with extrapyramidal symptomatology (EPS). This study thus investigates the effect of DHEA administration on medication-induced EPS. Inpatients with schizophrenia or schizoaffective disorder were randomized in double-blind fashion to receive either 100 mg DHEA or placebo in addition to a constant dosage of antipsychotic medication. Parkinsonism showed a favorable effect of DHEA with a significant time effect (p < 0.0001), as well as a significant group by time interaction (p < 0.05) and with no change noted on akathisia. Change of DHEA blood levels was negatively associated with change of Parkinsonism (p < 0.05) as well as with change of total EPS ratings (p < 0.05). DHEA appears to demonstrate a significant effect on EPS, with improvement observed particularly in Parkinsonian symptoms. |
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