نتایج جستجو برای: transdermal
تعداد نتایج: 5776 فیلتر نتایج به سال:
Transdermal delivery holds a promising carrier in the transport of drugs to get direct access across the skin deep into the systemic circulation.. It has attracted many researchers due to various biomedical advantages. The barrier nature of stratum corneum poses a threat to the drug delivery. However, various attempts have been made to modify this property of the skin and thus, to improve the t...
In Japan, transdermal fentanyl (Durotep Patch) was launched in March 2002, and it was regarded as making opioid rotation possible. When changing from morphine to transdermal fentanyl, the efficacy ratio of 1:150 is used in Japan as well as in many other countries. However, the ratio of 1:100 is used in Germany. As a result, a dose increase in transdermal fentanyl is often required to control pa...
materials and methods liposomes were prepared by thin film method using soya lecithin and cholesterol. physicochemical characteristics of the liposomes such as, particle size, drug encapsulation efficiency were determined. also, drug release and in vitro skin permeability through rat skin were evaluated using franz diffusion cells. results the results showed that the maximum drug encapsulation ...
Fentanyl citrate is a potent opioid that can be delivered by the transdermal route in cats and dogs. Publications regarding transdermal fentanyl patches were obtained and systematically reviewed. Seven studies in cats and seven studies in dogs met the criteria for inclusion in this review. Dogs achieved effective plasma concentrations approximately 24 hours after patch application. Cats achieve...
Testosterone is one of the most important male steroid hormones that plays a key role in the development of male reproductive tissues. The secretion of this hormone decreases rapidly after age 50. Hypogonadism in men is a clinical syndrome that is caused by a defect in the production of testosterone, sperm, or both. Several alternative therapies are approved and prescribed according to their ef...
Background: Due to its minimal systematic adverse effects, transdermal estrogen is widely used for the prevention of osteoporosis in postmenopausal women.The present meta-analysis aimed to clarify the effects of transdermal estrogen on bone mineral density (BMD) of postmenopausal women.Methods: Studies were identified by searching electronic databases including Cochrane Library, MEDLINE, Embase...
objective (s): transdermal preparations for testosterone are becoming popular because of their unique advantages such as avoidance of first-pass effect, convenience, improved bioavailability, and reduction of systemic side effects. a novel testosterone transdermal delivery system (tdds) was developed using a palm oil base called hamintm (a commercial product) and tested using in vitro and in vi...
The present work comprises the formulation and evaluation delivery system of transdermal drug with a view of developing and preparing a losartan potassium releasing system utilizing natural oils as permeation enhancers for transdermal applications. Matrix systems were prepared by using polyvinyl pyrrolidine and ethyl cellulose (EC) polymers by incorporating dibutyl phthalate as plasticizer and ...
BACKGROUND The increase in C-reactive protein (CRP) during oral conjugated equine estrogen (CEE) may explain the initial excess of cardiovascular disease observed in clinical studies. Because the effect of transdermal estradiol (E2) on CRP is unclear, we compared CRP changes after 6 and 12 months of transdermal E2 and oral CEE in a randomized 2x2 retinoid-placebo trial. METHODS AND RESULTS A ...
To clarify pharmacological usefulness of transdermal oxybutynin in the therapy of overactive bladder, we have characterized muscarinic receptor binding in rat tissues with measurement of plasma concentrations of oxybutynin and its metabolite N-desethyl-oxybutynin (DEOB) and salivation after transdermal oxybutynin compared with oral route. At 1 and 3 h after oral administration of oxybutynin, th...
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