Influence of Risperidone and Other Serotonin-Dopamine Antagonists on Weight Gain

Abstract

U ovom preglednom članku prikazani su rezultati nekoliko kliničkih studija u kojima je uspoređivan utjecaj pojedinih serotonin-dopaminskih antagonista na porast tjelesne težine. Rezultati većine tih studija pokazaju da je najveći porast tjelesne težine primijećen kod terapije olanzapinom i klozapinom, a najmanji kod ziprasidona i risperidona. U studiji provedenoj u Psihijatrijskoj klinici Univerzitetskog centra u Sarajevu, koja je ispitivala efikasnost Plivina novog generičkog risperidona (Risset®, PLIVA), rezultati su pokazali da je tijekom četiri tjedna terapije risperidonom prosječan porast tjelesne težine bio 0,64 kg, što je u skladu s rezultatima iz drugih studija. Utjecaj na porast tjelesne težine kod terapije risperidonom svrstava ga u skupinu srednjeg do nižeg potencijala za porast tjelesne težine u odnosu na druge serotonin-- -dopaminske antagoniste, dok bi olanzapin i klozapin pripadali skupini s visokim potencijalom za porast tjelesne težine, a jedino ziprasidon spada u grupu niskog potencijala. Članak isto tako donosi prikaz razlika u receptorskom profilu između pojedinih dopaminskih antagonista, teoriju o mogućem utjecaju vezivanja za H1-receptore na porast tjelesne težine, kao i leptinsku teoriju o povećanju tjelesne težine. Ovaj članak također donosi prikaz rezultata nekoliko kliničkih studija koje su istraživale povećanje koncentracije glukoze i lipida u krvi pri uporabi serotonin-dopaminskih antagonista.This article shows the results of several clinical studies that compared the effect of some serotonindopamine antagonists on weight gain. The results of most studies show the highest weight gain in the treatment with olanzapine and clozapine, while the lowest weight gain was reported with ziprasidone and risperidone. The results of the study conducted in the University Psychiatric Clinic in Sarajevo, which tested the efficacy of Pliva’s new generic risperidone (Risset®, PLIVA), showed that the average weight gain after a 4-week treatment with risperidone was 0.64 kg, i.e. comparable to that reported in other studies. As far as the effect on weight gain is concerned, risperidone can be assigned to the group of serotonin-dopamine antagonists with medium to lower potential, while olanzapine and clozapine can be assigned to that with high potential. Ziprasidone would be the only drug belonging to the group with low potential. The article also shows the differences in the receptor profile among dopamine antagonists, the theory about the possible effect of H1 receptor binding on weight gain as well as the leptin theory on weight gain. It also gives an overview of results of several clinical studies dealing with the increased concentration of blood glucose and lipids during the use of serotonin-dopamine antagonists

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