Aim: To compare transanal irrigation with conservative bowel management for the treatment of bowel dysfunction in Spina bifida (SB) patients.
Methods: Patients with SB and bowel dysfunction were randomly assigned to receive either transanal irrigation or conservative bowel management. The effectiveness of the treatment was defined as a decrease of 4 points in the neurogenic bowel dysfunction (NBD) score at week 10.
Hepcidin, secreted by hepatocytes, controls iron metabolism by limiting iron egress in plasma. Hepcidin is upregulated during inflammation through the activation of the signal transducer and activator of transcription 3 (STAT3) transduction pathway, which decreases iron bioavailability and may explain the anemia of chronic inflammatory disease. In vitro, it has been shown that curcumin can decrease hepcidin synthesis by decreasing STAT3 activity.
View Article and Find Full Text PDFThere is a long-standing and very active debate regarding which psychotherapeutic intervention should be used in depressive disorders. However, the effects of psychotherapies may result majorly from non-specific factors rather than from specific factors related to the type of psychotherapeutic intervention. We performed a systematic review and meta-analysis on aggregated data to understand how the effects of different psychotherapies are impacted by non-specific factors.
View Article and Find Full Text PDFBackground: Nalmefene is a recent option in alcohol dependence treatment. Its approval was controversial. We conducted a systematic review and meta-analysis of the aggregated data (registered as PROSPERO 2014:CRD42014014853) to compare the harm/benefit of nalmefene versus placebo or active comparator in this indication.
View Article and Find Full Text PDFThere is a long-standing polemic concerning the usefulness of antidepressants in the treatment of major depressive disorder. In this paper, we propose to highlight some aspects of this controversy by exploring the mutual influence of psychopharmacology and trial methodologies. Indeed, antidepressant efficacy, if not proved, was accepted before antidepressant randomised controlled trials (RCTs) were run.
View Article and Find Full Text PDFHigh-frequency deep brain stimulation (DBS) represents a major stake for treatment for treatment-resistant depression (TRD). We describe a preliminary trial of DBS of two potential brain targets in chronic TRD: the nucleus accumbens (Acb) and, in the event of failure, the caudate nucleus. Patients were followed for 6 months before surgery (M0).
View Article and Find Full Text PDFObjective: Our aim was to assess the usefulness of cranberry extract in multiple sclerosis (MS) patients suffering from urinary disorders.
Methods: In total, 171 adult MS outpatients with urinary disorders presenting at eight centers were randomized (stratification according to center and use of clean intermittent self-catheterization) to cranberry versus placebo in a 1-year, prospective, double-blind study that was analyzed using a sequential method on an intent-to-treat basis. An independent monitoring board analyzed the results of the analyses each time 40 patients were assessed on the main endpoint.
Background: Antidepressants are often considered to be mere placebos despite the fact that meta-analyses are able to rank them. It follows that it should also be possible to rank different placebos, which are all made of sucrose. To explore this issue, which is rather more epistemological than clinical, we designed an unusual meta-analysis to investigate whether the effects of placebo in one situation are different from the effects of placebo in another situation.
View Article and Find Full Text PDFInt J Methods Psychiatr Res
December 2014
Response and remission are determined by the proportion of people who fall below a threshold score on depression rating scales. This calculation implies a possibility of false positives (FP) and false negatives (FN) depending on sensitivity and specificity of the threshold used, but also on response and remission rates. A simulation illustrates the methodological consequences of this phenomenon in a comparative trial where response and remission rates differ between groups: the probability of being misclassified differs between groups, and measures of association (relative risk and odds ratio) are biased.
View Article and Find Full Text PDFInt J Methods Psychiatr Res
September 2013
Antidepressants effectiveness in major depressive disorder (MDD) is still questioned because the extrapolation of randomized controlled trial (RCT) results to "real life" settings is problematic. The application of the RCT paradigm in a disorder of this type, where global care plays a central role, raises questions regarding the internal and external validity of this type of study. Outcome measurement, attrition rates, the ability of the double-blind design to control for expectations, placebo response, the representativeness of trial participants and publication bias are major methodological pitfalls.
View Article and Find Full Text PDFIn Parkinson's disease, global social maladjustment and anxiety are frequent after subthalamic nucleus (STN) stimulation and are generally considered to be linked with sociofamilial alterations induced by the motor effects of stimulation. We hypothesized that the STN is per se involved in these changes and aimed to explore the role of STN in social and anxogenic-like behaviors using an animal model. Nineteen male Wistar rats with bilateral lesions of the STN were compared with 26 sham-lesioned rats by synchronizing an ethological approach based upon direct observation of social behaviors and a standardized approach, the elevated plus maze (EPM).
View Article and Find Full Text PDFBackground: Deep brain stimulation has shed new light on the central role of the prefrontal cortex (PFC) in obsessive compulsive disorder (OCD). We explored this structure from a functional perspective, synchronizing neuroimaging and cognitive measures.
Methods And Findings: This case-control cross-sectional study compared 15 OCD patients without comorbidities and not currently on serotonin reuptake inhibitors or cognitive behavioural therapy with 15 healthy controls (matched for age, sex and education level) on resting-state (18)FDG-PET scans and a neuropsychological battery assessing executive functions.
While antidepressants are widely prescribed to humans for the treatment of anxiety, the results achieved with animal anxiety models are conflicting. The experimental procedure and the prior test history of the animals are critical parameters that are largely susceptible to influence the results and their interpretation. We compared the effect of 5mg fluoxetine administered to six groups of rats subjected to the psychopharmacological test of the elevated plus-maze, under experimental conditions designed to demonstrate the effect of handling and one daily injection on the response to fluoxetine.
View Article and Find Full Text PDFBackground: There appears to be an overlap between the limbic system, which is modulated by subthalamic nucleus (STN) deep brain stimulation (DBS) in Parkinson's disease (PD), and the brain network that mediates theory of mind (ToM). Accordingly, the aim of the present study was to investigate the effects of STN DBS on ToM of PD patients and to correlate ToM modifications with changes in glucose metabolism.
Methodology/principal Findings: To this end, we conducted (18)FDG-PET scans in 13 PD patients in pre- and post-STN DBS conditions and correlated changes in their glucose metabolism with modified performances on the Eyes test, a visual ToM task requiring them to describe thoughts or feelings conveyed by photographs of the eye region.
The aim of this study was to examine the psychopharmacological effects of antidepressants on post-ischemic rats. Global transient cerebral ischemia was performing with the four-vessels occlusion method. Locomotor activity, neurological scores and activity during the 20 min forced swimming test (FST) session were comparatively evaluated in sham-operated and ischemic animals.
View Article and Find Full Text PDFIn a plural and multidisciplinary process of care, it would be fruitful to ally complementary, pharmacologic and psychodynamic approaches. We have done a review of the literature on the effectiveness and the cautions for prescription of risperidone, a second generation antipsychotic drug. Risperidone has proved helpful in treating children and adolescents with autism spectrum, conduct and bipolar disorders, Tourette's syndrome, and schizophrenia.
View Article and Find Full Text PDFAntidepressants are usually prescribed for the treatment of depression but more recently have also been recommended for the treatment of anxiety disorders. The purpose of this study was to investigate the anxiogenic- or anxiolytic-like effects of an acute administration of antidepressants (serotonergic and noradrenergic compounds) in male Wistar rats submitted to the elevated plus-maze. Fluoxetine (2.
View Article and Find Full Text PDFWe used two validated psychopharmacological methods, the forced swimming test (FST 20 min and 5 min) and the elevated plus-maze (EPM), to quantify depression-like and anxiety-like behavior induced by transient global cerebral ischemia in the rat. We also validated use of these methods for the study of antidepressant (imipramine) and anti-anxiety drugs (diazepam). Twelve days after surgery to provoke transient global ischemia, spontaneous motor activity was 40% higher in ischemic rats than in sham-operated controls.
View Article and Find Full Text PDFPiribedil is a dopamine agonist acting on D2 and D3 central nervous system dopamine receptors. This drug has been administered to 12 young healthy male volunteers (age 22 +/- 2 years) according to a single center randomized, double-blind, two ways cross-over, placebo controlled trial, including a washout period of one week. Placebo and piribedil were administered by a single intravenous infusion over 2 h (3 mg).
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