نتایج جستجو برای: percutaneous absorption
تعداد نتایج: 187163 فیلتر نتایج به سال:
The aim of this study was to evaluate decontamination (absorption) efficacy of a preparation called Mineral Cationic Carrier (MCC) against skin contamination with sulphur mustard in vivo. MCC is a synthetic preparation with known ion exchange, absorption efficiency, and bioactive potential. CBA mice were applied increasing doses of sulphur mustard on their skin and MCC was administered immediat...
An in vitro human percutaneous absorption study was conducted to assess the delivery of ketoprofen and testosterone from two base formulations, a Pluronic lecithin organogel and Pentravan Cream. Each formulation was applied to ex vivo human trunk skin (from three skin donors) on triplicate sections mounted onto Franz Diffusion Cells. Following a 5-mcL/cm2 applied dose, serial dermal receptor so...
OBJECTIVE Psoriasis is a chronic inflammatory skin disease and topical therapy remains a key role for treatment. The aim of this study is to evaluate the influence of psoriasis-like lesions on the cutaneous permeation of anti-psoriatic drugs. METHODS We first set up imiquimod-induced dermatitis in mice that closely resembles human psoriasis lesions. The development of the lesions is based on ...
The achievement of skin drug delivery needs to conciliate two paradoxical terms: firstly, the major barrier of permeation formed by the stratum corneum needs to be circumvented for skin drug delivery (i.e., skin absorption); secondly, the drug deposition within the skin should be ideally accomplished with a restricted percutaneous absorption. At strictly speaking, the terms of this paradox are ...
Topically applied salicylic acid has enjoyed long and extensive usage as an agent to enhance desquamation in various hyperkeratotic skin diseases. In some of these disorders much of the skin surface may be affected, resulting in the potential for significant percutaneous absorption of the drug. We describe a patient who gradually developed evidence of severe salicylate toxicity while being trea...
Aims: To examine the existing literature to determine the degree to which percutaneous absorption data obtained using the excised human skin model match those obtained from living man. Methods: The scientific literature was reviewed to collect data on compounds whose percutaneous absorption through human skin had been measured under both in vitro and in vivo conditions. The in vitro-in vivo (IV...
Aims: To examine the existing literature to determine the degree to which percutaneous absorption data obtained using the excised human skin model match those obtained from living man. Methods: The scientific literature was reviewed to collect data on compounds whose percutaneous absorption through human skin had been measured under both in vitro and in vivo conditions. The in vitro-in vivo (IV...
The transdermal application of drugs has attracted increasing interest over the last decade or so, due to the advantages it offers, compared to other delivery methods. The development of an efficient means of transdermal delivery can increase drug concentrations, while reducing their systemic distribution, thereby avoiding certain limitations of oral administration. The efficient barrier functi...
BACKGROUND When a drug is applied on the skin surface, the concentration of the drug accumulated in the skin and the amount of the drug eliminated into the blood vessel depend on the value of a parameter, r. The values of r depend on the amount of diffusion and the normalized skin-capillary clearance. It is defined as the ratio of the steady-state drug concentration at the skin-capillary bounda...
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