نتایج جستجو برای: amitriptyline
تعداد نتایج: 1557 فیلتر نتایج به سال:
Rodent evidence has confirmed the analgesic effect of tricyclic antidepressants in the treatment of chronic pain, which amitriptyline is rigorously verified. The analgesic effect of amitriptyline, whose mechanisms are complex and unclear, is different from its antidepressant effect. This article reviewed the mechanisms behind amitriptyline’s analgesic properties to further understanding of this...
The purpose of the present work was to study the dose-effect relationship of the antidepressant amitriptyline on inhibitory avoidance in male and female mice. Subjects received physiological saline or 2.5, 5, 10 or 20 mg/kg of amitriptyline hydrochloride 30 min before the training phase, and were subjected to the test phase 24 h later. Results showed a clear impairing effect of amitriptyline on...
BACKGROUND AND PURPOSE We performed a double-blind, placebo-controlled study to investigate the effectiveness of amitriptyline for the prophylactic treatment of patients with acute thalamic stroke in preventing central poststroke pain. METHODS Subject received, in a randomized sequence, either amitriptyline titrated from 10 to 75 mg in extended-release form or placebo over a therapy period of...
Depressive disorders are more common among persons with chronic diseases such as inflammatory bowel disease and anti-inflammatory effect of some antidepressants such as amitriptyline has been reported. Acetic acid colitis was induced in both reserpinised (depressed) and non-reserpinised (normal) rats. Reserpinised groups received reserpine (6 mg/kg, i.p.) one hour prior to colitis induction. Th...
UNLABELLED We conducted a randomized, double-blind, placebo-controlled, crossover study at a single center in South Africa, to ascertain whether amitriptyline is an effective analgesic for painful HIV-associated sensory neuropathy of moderate to severe intensity in: i) antiretroviral drug naive individuals, and ii) antiretroviral drug users. 124 HIV-infected participants (antiretroviral drug na...
UNLABELLED We examined the effects of systemically, spinally, and peripherally administered amitriptyline on formalin-induced Fos immunoreactivity in the lumbar spinal cord. Formalin (2.5%), injected subcutaneously into the rat hindpaw, increased Fos immunoreactivity in laminae I-II, III-IV, and V-VI of the dorsal L5 spinal cord. Amitriptyline, administered both systemically and spinally before...
Amitriptyline is an old drug but is still prevalently used as the first-line treatment for a variety of common diseases. Surprisingly, knowledge of sexual risks with amitriptyline comes from only one clinical trial and several case reports from three decades ago. In the current study, a systematic review of the literature following the Preferred Reporting Items for Systematic Reviews and Meta-A...
Approximately 35 million people worldwide suffer from Alzheimer's disease (AD). Existing therapeutics, while moderately effective, are currently unable to stem the widespread rise in AD prevalence. AD is associated with an increase in amyloid beta (Aβ) oligomers and hyperphosphorylated tau, along with cognitive impairment and neurodegeneration. Several antidepressants have shown promise in impr...
The pharmacokinetics of amitriptyline in overdose have been reported not to fit conventional compartmental models. In this study, the dose-concentration-time relationships of amitriptyline in overdose were modeled with discriminant analysis, with an evolutionary heuristic search program, and with a decision-tree model based on the entropy of uncertainty of classification. The computer models al...
We describe a gas-chromatographic procedure for the simultaneous determination of amitriptyline and its active metabolite, nortriptyline, in therapeutic concentrations in human plasma, with use of a nitrogen detector. Both drugs are extracted at pH 10.5 into hexane/isoamyl alcohol, back-extracted into dilute HCl, and re-extracted into hexane/isoamyl alcohol after alkalinization of the HCl. The ...
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