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Dragon's blood from Croton urucurana (Baill.) attenuates visceral nociception in mice.

Dragon's blood, the red sap from Croton urucurana Baill. (Euphorbiaceae) has a profound history of traditional use in conditions such as inflammation, diarrhoea and gastrointestinal distress. Previous studies established its anti-inflammatory, antidiarrhoeal and analgesic properties and in this study we verified its potential to suppress visceral pain, using capsaicin- and cyclophosphamide-induced models of visceral nociception. Mice that received intra-colonic capsaicin (0.3%, 50 microl/animal) or intraperitoneal injection of cyclophosphamide (400 mg/kg) manifested spontaneous nociceptive beh

Accelerated lofexidine treatment regimen compared with conventional lofexidine and methadone treatment for in-patient opiate detoxification.

This open study compares an accelerated 5-day lofexidine regimen with orthodox 10-day lofexidine and methadone regimens in the treatment of opiate withdrawal in 61 polysubstance abusing opiate addicts. Significant differences in levels of withdrawal symptoms were found on days 11, 13-15 and 17-20, symptoms resolving most rapidly in the 5-day lofexidine treatment group, whilst withdrawal responses in the 10-day lofexidine treatment group were intermediate between the 5-day lofexidine and standard methadone treatment conditions. When the two lofexidine regimens were separately compared with meth

Treatment of hypertension in chronic kidney disease.

Chronic kidney disease (CKD) is a major public health problem in the United States. It is estimated that nearly 20 million Americans have so … imen. Thereafter, beta-blockers, calcium channel blockers, apha blockers and alpha 2 agonists (e.g. clonidine) and finally vasodilators (e.g. minoxidil) should be added to achieve blood pressure goal. Combinations of ACEi and ARB are helpful in reducing proteinuria and may also lower blood pressure further in some some cases. Blood pressure should be monito …

[Tic syndrome].

A tic is an involuntary, sudden, rapid, recurrent, nonrrhythmic, stereotyped, motor movement or vocalization. This paper reviews clinical, pathophysiological, epidemiological and treatment issues of tic disorders. The clinical presentation of tic disorders with simple and complex motor or vocal tics is reviewed in detail. The most common psychiatric comorbid conditions, such as personality disorder (PD), Obsessive-Compulsive Disorder (OCD), Self-Destructive Behavior (SDB) and Attention Deficit Hyperactivity Disorder (ADHD) are presented too. All forms of tics may be exacerbated by anger or str

[Pharmacotherapy of cancer pain : 2. Use of opioids.].

The adequate use of opioids in the treatment of chronic cancer pain requires sound knowledge of selection criteria for the various opioids, … entanyl and sufentanil have been used, as have other additional compounds (e.g. local anaesthetics, clonidine). Intracerebroventricular application of morphine has been used only occasionally. In all cases, opioids should be given on to a fixed time schedule thereby, preventing pain from recurring. Additional rescue doses (approximately 50% of baseline sing …

Comparison of Bupivacaine plus Dexmedetomidine versus Bupivacaine plus Fentanyl for Caudal Block in Pediatric Infraumbilical Surgery.

Different additives have been used to improve the duration and quality of analgesia of the local anaesthetic used in the single-dose caudal block technique, such as opioids, epinephrine, clonidine, neostigmine, etc. Dexmedetomidine is a potent and a highly selective α2-adrenergic agonist having a sympatholytic, sedative, and analgesic effect and has been described as a safe and effective additive in many anaesthetic and analgesic techniques. Another agent is Fentanyl, a lipophilic opioid, is added frequently to local anaesthetics which least likely to cause respiratory depression when given ex…

Evaluation of Clinical Characteristics and Growth Hormone Response in a Rare Skeletal Dysplasia: Pycnodysostosis.

Introduction Pycnodysostosis is a rare osteosclerotic skeletal dysplasia; its clinical features include short stature, characteristic facial … ions were evaluated retrospectively. Participants were evaluated for GH deficiency using L-DOPA and clonidine tests if growth rate was below -2 standard deviation score (SDS) for gender and age after one-year follow-up. Results Complaints on admission were short stature (80%) and recurrent bone fractures (20%). Characteristic facial features and brachydacty …

Effects of 5-HT-receptor and alpha 2-adrenoceptor ligands on the haemodynamic response to acute central hypovolaemia in conscious rabbits.

1. We set out to elucidate the pharmacological mechanisms by which alpha 2-adrenoceptor and 5-HT-receptor ligands affect the haemodynamic re … e used as a vehicle for fourth ventricular administration of lipophilic drugs to conscious rabbits. Clonidine (10 nmol) reversed the effects of a critical dose of methysergide. 5. Phase II was also prevented by 8-hydroxy-2-(di-n-propylamino)tetralin (5-HT1A-selective agonist, geometric mean critical dose (range) = 13.1 (10-30) nmol), sumatriptan (5-HT1D-sel …

Strategies for the Prevention and Treatment of Iatrogenic Withdrawal from Opioids and Benzodiazepines in Critically Ill Neonates, Children and Adults: A Systematic Review of Clinical Studies.

BACKGROUND: Critically ill patients are at high risk of iatrogenic withdrawal syndrome (IWS), due to exposure to high doses or prolonged per … faceted protocolised interventions, while 5 evaluated individual components of IWS management (e.g. clonidine or methadone at varying dosages, routes of administration and duration of tapering). IWS was measured using an appropriate tool in 6 studies. Ten studies reported upon occurrence of IWS, showing significant reductions (n = 4) or no differences (n = …

Growth in children with craniopharyngioma following surgery.

OBJECTIVE: Hypopituitarism, including severe GH deficiency, is an almost inevitable outcome of craniopharyngioma. However, some GH deficient … ) was calculated as weight/height2. GH secretory status was evaluated by stimulation both with oral clonidine and with GH releasing hormone. Serum insulin (INS) levels were studied following an oral glucose load. IGF-1, IGFBP-3, IGFBP-1 and prolactin serum concentrations were evaluated in fasting samples. All hormones were measured by radioimmunoassay. RES …

Prostacyclin Affects the Relation Between Brain Interstitial Glycerol and Cerebrovascular Pressure Reactivity in Severe Traumatic Brain Injury.

BACKGROUND: Cerebral injury may alter the autoregulation of cerebral blood flow. One index for describing cerebrovascular state is the pressure reactivity (PR). Little is known of whether PR is associated with measures of brain metabolism and indicators of ischemia and cell damage. The aim of this investigation was to explore whether increased interstitial levels of glycerol, a marker of cell membrane damage, are associated with PR, and if prostacyclin, a membrane stabilizer and regulator of the microcirculation, may affect this association in a beneficial way. MATERIALS AND METHODS: Patients

Endocrine aspects of growth deficiency in OI.

Growth deficiency is the most common secondary feature of osteogenesis imperfecta. It is unrelated to fracture history and appears to be due to the growth failure of the defective bony matrix. There are characteristic growth curves for different types of OI. We have been investigating the endocrine features of this disorder, in which the skeletal target tissue synthesizes defective matrix. We review the results of our evaluation of the growth hormone axis in 28 children with short stature and OI and of our pilot study to stimulate OI bone to increased growth rates. Our current focus is on the

A Critical Review of the Role of the Cannabinoid Compounds Δ9-Tetrahydrocannabinol (Δ9-THC) and Cannabidiol (CBD) and their Combination in Multiple Sclerosis Treatment.

Many people with MS (pwMS) use unregulated cannabis or cannabis products to treat the symptoms associated with the disease. In line with this, Sativex, a synthetic combination of cannabidiol (CBD) and Δ9-tetrahydrocannabinol (Δ9-THC) has been approved to treat symptoms of spasticity. In animals, CBD is effective in reducing the amounts of T-cell infiltrates in the spinal cord, suggesting CBD has anti-inflammatory properties. By doing this, CBD has shown to delay symptom onset in animal models of multiple sclerosis and slow disease progression. Importantly, combinations of CBD and Δ9-THC appear

Chronic pain after childbirth.

With over four million deliveries annually in the United States alone and a constant increase in cesarean delivery rate, childbirth is likely to have a huge impact on the occurrence of acute and possibly chronic postpartum pain. Recent awareness that chronic pain may occur after childbirth has prompted clinicians and researchers to investigate this topic. Current evidence points towards a relatively low incidence of chronic pain after cesarean delivery, with rates ranging between 1% and 18%. To provide a potential mechanistic explanation for the relatively low occurrence of chronic pain after

Fluvoxamine drastically increases concentrations and effects of tizanidine: a potentially hazardous interaction.

OBJECTIVE: Our objective was to study the effect of fluvoxamine on the pharmacokinetics and pharmacodynamics of tizanidine, a centrally acting skeletal muscle relaxant. METHODS: In a double-blind, randomized, 2-phase crossover study, 10 healthy volunteers took 100 mg fluvoxamine or placebo orally once daily for 4 days. On day 4, each ingested a single 4-mg dose of tizanidine. Plasma concentrations of tizanidine and fluvoxamine and pharmacodynamic variables were measured. A caffeine test was performed on day 3 to examine the role of cytochrome P450 (CYP) 1A2 in tizanidine pharmacokinetics. RE

The quest for biological correlates of social phobia: an interim assessment.

OBJECTIVE: The primary goal of this review was to assess critically the literature concerning the ongoing search for possible biological correlates of social phobia. METHODS: In addition to manual searches, Medline, Current Contents and Psych Info databases were searched for relevant publications. RESULTS: On the evidence of an extensive body of research, so far biological correlates of social phobia remain elusive. Furthermore, the majority of studies reveal by default that the neurobiological functioning of social phobics is very much like that of normal control subjects. CONCLUSION: The

Meperidine compared to morphine for rigors associated with monoclonal antibody-related infusion reactions.

IntroductionInfusion reactions, characterized by symptoms such as rigors, fever, and hypotension, are common adverse events that occur during monoclonal antibody (MAB) therapy. The treatment of rigors often involves opioids, most commonly meperidine, despite limited evidence supporting use in the setting of MAB infusions. This study aims to compare the efficacy and safety of intravenous (IV) meperidine and morphine is treatment of MAB-related rigors, filling a significant gap in the literature.MethodsThis was a single-center, retrospective cohort study which reviewed patients either inpatient

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… A single-center, double-blinded randomized trial in adult patients experiencing shivering after general anesthesia found similar response rates at 5 min with meperidine and clonidine and overall poor response with urapidil (90% vs 80% vs 30%, respectively). … Also, comparing opioids to other agents that target alternative receptors, such as intravenous ondansetron or clonidine, may also shed light on potential opioid-sparing options for treatment of MAB-related rigors. …

ESCP Spring Workshop 2023: Advancing clinical pharmacy and care in diabetes and cardiovascular comorbidities-Antwerp, 20-21 April 2023.

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… According to the WHO’s ATC system, imidazoline receptor agonists are clonidine, guanfacine, tolonidine, moxonidine, rilmenidine. Studies were collected from four databases (Pubmed, Cochrane Library, Web of Science, Embase). … These pharmacons can be tolerated well; however, clonidine users reported the most dry mouth symptoms, while rilmenidine users reported the least in between the imidazoline receptor agonists. Our study has some limitations too. …

Nightly sublingual tizanidine HCl in multiple sclerosis: clinical efficacy and safety.

BACKGROUND: Approximately 90% of patients with multiple sclerosis (MS) experience spasticity during their lifetime. Tizanidine HCl is an alpha2 adrenergic agonist indicated for treating spasticity due to MS or spinal cord injury. OBJECTIVES: To compare the clinical efficacy and safety of once-nightly sublingual versus oral tizanidine HCl (8 mg) or placebo in MS patients with spasticity requiring treatment. METHODS: A double-blind, double-dummy, randomized, 3-treatment, 2-way crossover, comparative, placebo-controlled study was conducted in a neuroimmunology clinic of a university-affiliated