نتایج جستجو برای 4-aminosalicylic acid

تعداد نتایج: 1442497  

Objective(s): 4-aminosalicylic acid (4-ASA) is an isomer of mesalazine that has recently been shown to be effective against inflammatory bowel disease (IBD), and more specifically, ulcerative colitis. However, the majority of orally administered 4-ASA is readily and extensively absorbed from the stomach and small intestine, so only a small amount is transported to the ...

Journal: :Postgraduate medical journal 1982
N Nagaratnam, N Bhuvanendran, A J Jiffry, V Ramachandra,

This report describes a patient who developed a Hodgkin's disease-like picture both clinically and pathologically, following the administration of para-aminosalicylic acid, with complete regression on cessation of therapy.

Journal: :British medical journal 1972
I C Calder, C C Funder, C R Green, K N Ham, J D Tange,

5-Aminosalicylic acid given to rats as a single intravenous injection led to necrosis of the proximal convoluted tubules and of the renal papilla. These two lesions developed at the same time and the cortical lesions did not appear to be a consequence of the renal papillary necrosis. Since the compound possesses the molecular structure both of a phenacetin derivative and of a salicylate these o...

Journal: :Gut 1999
P Deltenre, A Berson, P Marcellin, C Degott, M Biour, D Pessayre,

BACKGROUND Treatment of ulcerative colitis or Crohn's disease with sulphasalazine causes several adverse effects, including hepatitis. Sulphasalazine is cleaved by colonic bacteria into 5-aminosalicylic acid and sulphapyridine. Received wisdom was that 5-aminosalicylic acid was topically active, whereas sulphapyridine was absorbed and caused immunoallergic side effects. Mesalazine, a slow relea...

Journal: :Gut 1994
S Schreiber, S Howaldt, A Raedler,

4-Aminosalicylic acid (4-ASA) has been suggested as an effective treatment for both active and quiescent ulcerative colitis. 5-Aminosalicylic acid (5-ASA) is well accepted for the maintenance treatment of inactive ulcerative colitis. Moreover, recent studies suggest that 5-ASA may also be effective in maintaining remission in Crohn's colitis. As treatment with 4-ASA may result in less side effe...

Ardeshir Kermani, Jilla Khalighie, Mohammad Bagher Pasha Zanousi, Mohammad Saber Tehrani,

5-Aminosalicylic acid (5-ASA) is currently prepared by electrochemical reduction of 5-nitrosalicylic acid (5-NSA) in acidic media. In this work, electrolytic reduction of 5-NSA in alkaline media is presented. Reactionconditions and parameters such as anode and cathode electrodes, electrolyte type, reaction time, temperature,current, and the pH for isolation of product are investigated. The yiel...

Journal: :Diseases of the chest 1949
C EASTLAKE, A L BARACH,

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