The aim of this study was to compare over 1 year the effect of sertraline and citalopram on depressive symptoms and cognitive functions of nondemented elderly patients with minor depressive disorder and subsyndromal depressive symptomatology.
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Researchers recognize that ionization state may influence the biological activity of weak acids and bases. Dissociation in aqueous solutions is controlled by the pKa of a compound and the pH of the matrix. Because many pharmaceuticals are implicitly designed as ionizable compounds, site-specific variability in pH of receiving waters may introduce uncertainty to ecological risk assessments. The present study employed 48-h and 7-d toxicity tests with Pimephales promelas exposed to the model weak base pharmaceutical sertraline over a gradient of environmentally relevant surface water pHs. The 48-h experiments were completed in triplicate, and the average lethal concentration values were 647, 205, and 72 microL sertraline at pH 6.5, 7.5, and 8.5, respectively. Survivorship, growth, and feeding rate (a nontraditional endpoint linked by other researchers to sertraline's specific mode of action) were monitored during the 7-d experiment. Adverse effects were more pronounced when individuals were exposed to sertraline at pH 8.5 compared to pH 7.5 and 6.5. The pH-dependent toxicological relationships from these studies were related to in-stream pH data for two streams in the Brazos River basin of central Texas, USA. This predictive approach was taken because of the scarcity of environmental analytical data for sertraline. The results of this study emphasized temporal variability associated with in-stream pH linked to seasonal differences within and between these spatially related systems. Relating site-specific pH variability of surface waters to ionization state may allow researchers to reduce uncertainty during ecological risk assessment of pharmaceuticals by improving estimates of biological effects associated with exposure.
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Brain serotonin is known to possess sympathoinhibitory properties. The aim of this clinical physiologic study was to determine whether sertraline, a selective serotonin reuptake inhibitor, facilitates the rate of recovery of cardiac autonomic function after an acute myocardial infarction (MI) in patients with depression.
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The toxicity profile of the antidepressant drug sertraline was determined in a series of preclinical studies in mice, rats, rabbits and dogs. Acute, subchronic, reproductive, chronic and carcinogenicity studies were conducted by the oral route. The highest doses tested in these studies were the maximum tolerated doses based on clinical signs, decreased food consumption, body weight effects, organ weight changes or clinical/anatomical pathology findings. Genetic toxicity studies were also performed. The liver was identified as a target organ in the mouse, rat and dog. The observed liver findings were consistent with hepatic xenobiotic-metabolizing enzyme induction and included hepatomegaly, hepatocellular hypertrophy, slightly increased serum transaminase activity and proliferation of smooth endoplasmic reticulum. Hepatocellular fatty change, a minimal toxic effect, was seen in mice and rats. There was no teratogenicity in studies conducted at maternally toxic doses in rats and rabbits. Decreased neonatal survival and growth observed in these studies have been previously reported in reproduction studies with serotonin reuptake inhibitors. Sertraline was not genotoxic in an extensive battery of tests. Carcinogenicity tests were negative in rats, while benign liver tumors were slightly increased in drug-treated male mice. Liver tumors were considered secondary to the enzyme inducing potential of sertraline and not indicative of human risk.
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Results support the safety and efficacy of sertraline for the short-term treatment of patients with panic disorder.
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Raman spectroscopy was used to quantitate the extent of disproportionation. The data was further analyzed by multivariate analysis with partial least squares (PLS) modeling.
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These findings support the anticonvulsant effect of SSRIs and selective 5HT1A receptors, although serotonin receptors other than 5HT1A subtype may be involved and also it is probable that some anticonvulsant effects of the sertraline and 8-OH-DPAT are through the modulation of nitrergic system.
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Posttraumatic stress disorder (PTSD) frequently co-occurs with alcohol use disorders. This study investigated the use of sertraline, a serotonin reuptake inhibitor, in treating co-occurring symptoms of alcohol dependence and PTSD.