Corticosteroid mode of action in asthma

“Absorption of norfloxacin is rapid following single doses of 200 mg, 400 mg and 800 mg. At the respective doses, mean peak serum and plasma concentrations of , and μg/mL are attained approximately one hour after dosing. The effective half-life of norfloxacin in serum and plasma is 3–4 hours. Steady-state concentrations of norfloxacin will be attained within two days of dosing. Renal excretion occurs by both glomerular filtration and tubular secretion as evidenced by the high rate of renal clearance (approximately 275 mL/min). Within 24 hours of drug administration, 26 to 32% of the administered dose is recovered in the urine as norfloxacin with an additional 5-8% being recovered in the urine as six active metabolites of lesser antimicrobial potency. Only a small percentage (less than 1%) of the dose is recovered thereafter. Fecal recovery accounts for another 30% of the administered dose. Two to three hours after a single 400-mg dose, urinary concentrations of 200 μg/mL or more are attained in the urine. In healthy volunteers, mean urinary concentrations of norfloxacin remain above 30 μg/mL for at least 12 hours following a 400-mg dose. The urinary pH may affect the solubility of norfloxacin. Norfloxacin is least soluble at urinary pH of with greater solubility occurring at pHs above and below this value. The serum protein binding of norfloxacin is between 10 and 15%.” Quoting from the 2009 package insert for Noroxin. [3]

Study D9422C00002 was an open-label, un-comparative study designed to evaluate Entocort 6 mg once daily as maintenance treatment in 50 pediatric patients (children and adolescents aged 5 to 17 years) with a diagnosis of mild to moderate Crohn's disease of the ileum and/or ascending colon who were in clinical remission (PCDAI ≤10). Treatment consisted of a 12-week maintenance treatment phase of 6 mg once daily, a 2-week taper phase to 3 mg once daily. The median duration of treatment exposure of Entocort was days (range: 11 days to 135 days). Most patients remained in the clinical remission stage, as there were no major changes in the mean PCDAI composite score or IMPACT 3 score. Mean (SD) PCDAI was () at baseline and () after 12 weeks of maintenance treatment with Entocort 6 mg daily. At the same points in time the mean IMPACT3 score was () and (), respectively. AEs were observed at a similar frequency and severity as seen in adults, and were mostly related to Crohn's disease, puberty and possible GCS related side effects.

During conventional pharmacologic dose corticosteroid therapy, ACTH production is inhibited with subsequent suppression of cortisol production by the adrenal cortex. Recovery time for normal HPA activity is variable depending upon the dose and duration of treatment. During this time the patient is vulnerable to any stressful situation. Although it has been shown that there is considerably less adrenal suppression following a single morning dose of prednisolone (10 mg) as opposed to a quarter of that dose administered every 6 hours, there is evidence that some suppressive effect on adrenal activity may be carried over into the following day when pharmacologic doses are used. Further, it has been shown that a single dose of certain corticosteroids will produce adrenocortical suppression for two or more days. Other corticoids, including methylprednisolone, hydrocortisone, Prednisone, and prednisolone, are considered to be short acting (producing adrenocortical suppression for 1¼ to 1½ days following a single dose) and thus are recommended for alternate day therapy.

Sanochemia Pharmazeutika AG Sanochemia is a specialty pharmaceutical company that develops and manufactures of innovative drugs and diagnostics in selected indication areas such as neurodegeneration pain and cancer as well as diagnostic products based on contrast media The companys product portfolio includes radiological products including an array of xray imaging agents and the MRT imaging agent and veterinary pharmaceuticals It also offers synthesis of active pharmaceutical substances APIs drug formulation and pharmaceutical production and contract research Apart from Austria Sanochemia offers its products in Remaining Europe Asia..

Corticosteroid mode of action in asthma

corticosteroid mode of action in asthma

Sanochemia Pharmazeutika AG Sanochemia is a specialty pharmaceutical company that develops and manufactures of innovative drugs and diagnostics in selected indication areas such as neurodegeneration pain and cancer as well as diagnostic products based on contrast media The companys product portfolio includes radiological products including an array of xray imaging agents and the MRT imaging agent and veterinary pharmaceuticals It also offers synthesis of active pharmaceutical substances APIs drug formulation and pharmaceutical production and contract research Apart from Austria Sanochemia offers its products in Remaining Europe Asia..

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