After achieving maximal diluting capacity a standardized meal was administered, followed
by desmopressin tablet (t test) or melt (M-test). Diuresis rate and urinary osmolality were measured hourly. Paired data from 4 girls and 15 boys with a mean age of 12.1 years were obtained.
Results: In the early response phase more than 25% of patients had a higher diuresis rate with Selleckchem ARN-509 tablet vs melt formulation, reaching statistical significance in the plateau phase (urine collected at hours 3 to 5, p < 0.02) and in duration of action (urine collected at hours 5 to 8, p < 0.005). For desmopressin melt smaller standard deviations in diuresis rate were remarkable. Concentrating capacity demonstrated no significant differences between formulations in the early response
phase, in contrast to the plateau phase (p < 0.036) and duration of action (p < 0.001).
Conclusions: With meal combination desmopressin melt formulation has a superior pharmacodynamic profile to tablet, making it more suitable for the younger age group with a limited interval between meal and drug administration.”
“Paroxetine increases the levels of neurosteroids, such as allopregnanolone (AP), that influence the excitability of the central nervous system by positive allosteric modulation of gamma-aminobutyric acid type A receptors. Here, we investigated the role of AP synthesis on the paroxetine-induced antihyperalgesic LXH254 in vitro effect in a rat model of neuropathic pain induced by lumbar spinal nerve ligation (SNL). Subcutaneous
administration of paroxetine in SNL rats, dose-dependently decreased the probability of hyperalgesic response and increased AP levels in the spine but not in either brain or serum. Concomitant treatment with an inhibitor of the AP-synthesizing enzyme, finasteride, attenuated the paroxetine-induced antihyperalgesic effect as well as the paroxetine-induced increase in spinal AP levels. Intrathecal injection of exogenous AP mimicked the analgesic effects of paroxetine in vehicle-treated SNL rats, whereas no NU7441 datasheet additional analgesic effects were observed in paroxetine-treated SNL rats. Our findings suggest that the antihyperalgesic effect of paroxetine in a rat neuropathic pain model is AP-mediated. These results also suggest that pharmacological-based therapies targeting AP synthesis might be a promising treatment for neuropathic pain. NeuroReport 22: 984-988 (C) 2011 Wolters Kluwer Health vertical bar Lippincott Williams & Wilkins.”
“Affective traits and states may be important moderators of stress reactivity, providing insight into stress-related consequences on cognitive functioning. This study assessed cognitive control processes using response-related brain electrical activities-the error-related negativity (ERN) and error positivity (Pe)-that are sensitive to trait and state affect.