نتایج جستجو برای: propranolol hydrochloride
تعداد نتایج: 50889 فیلتر نتایج به سال:
1. A single subcutaneous injection of clenbuterol hydrochloride (0.125 mg/kg body wt.) to female Wistar rats produced a rapid increase in muscle cyclic AMP and lactate concentrations and a decrease in muscle glycogen concentrations. These changes are characteristic of muscle beta-adrenoceptor stimulation and were abolished by intraperitoneal injection of propranolol (12.5 mg/kg) 15 min before c...
A simple and sensitive fluorescence detection of domperidone by ultra fast liquid chromatographic method was developed and validated in human serum. For the evaluation of new drug delivery systems, conducting of pharmacokinetic studies in human volunteers is essential for approval to marketing after preclinical evaluation in animal models. The present method consists of protein precipitation, e...
Purpose: To evaluate a weakly cationic exchange poly(methacrylic acid-co-divinylbenzene) resin (PMD) as a new filler-binder for direct compression tablets. Methods: Powder properties of PMD and MCC were characterized. Tablets made from PMD and MCC with and without propranolol hydrochloride were evaluated for diameter, thickness, friability, assay, disintegration, dissolution and compression beh...
Gastroretentive tablets of propranolol hydrochloride were developed by direct compression method using citric acid and sodium bicarbonate as the effervescent base. Hydroxypropyl methylcellulose; HPMC K15M was used to prepare the floating tablets to retard the drug release for 12h in stomach. Na-carboxymethyl cellulose (NaCMC) or carbopol 934P was added to alter the drug release profile or the d...
A method for determination of propranolol hydrochloride in pharmaceutical preparation using near infrared spectrometry with fiber optic probe (FTNIR/PROBE) and combined with chemometric methods was developed. Calibration models were developed using two variable selection models: interval partial least squares (iPLS) and synergy interval partial least squares (siPLS). The treatments based on the...
Pronethalol (Alderlin), an adrenergic beta-blocking agent introduced in 1963, was successfully tested in the management of various cardiac arrythmias, phaeochromocytoma, angina pectoris, and hypertension. Herring (1964) administered the drug to 10 patients with Parkinsonism, in view of the well known 'tremor-potentiating effect' of adrenaline, and observed a diminution of tremor following an in...
Polysaccharide mucilage derived from the seeds of Plantago major L. (family Plantaginaceae) was investigated for use in matrix formulations containing propranolol hydrochloride. HPMC K4M and tragacanth were used as standards for comparison. The hardness, tensile strength, and friability of tablets increased as the concentration of mucilage increased, indicating good compactibility of mucilage p...
A novel oral controlled delivery system for propranolol hydrochloride (PPL) was developed and optimized. The in vitro dissolution profiles of sustained-release matrix tablets of racemic PPL were determined and compared with the United States Pharmacopeia (USP) tolerance specifications for Propranolol Hydrochloride Extended-Release Capsules. The influence of matrix forming agents (native dextran...
The effectiveness of Okra gum in sustaining the release of propranolol hydrochloride in a tablet was studied. Okra gum was extracted from the pods of Hibiscus esculentus using acetone as a drying agent. Dried Okra gum was made into powder form and its physical and chemical characteristics such as solubility, pH, moisture content, viscosity, morphology study using SEM, infrared study using FTIR,...
Glucocorticoid-induced osteoporosis is the most frequently occurring type of secondary osteoporosis. Antagonists of β-adrenergic receptors are now considered to be potential drugs under investigation for osteoporosis. The aim of the present study was to investigate the effects of propranolol, a nonselective β-receptor antagonist, on the skeletal system of mature male rats and on the development...
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