Active Ingredient: Azathioprine
Azathioprine is used as an immunosuppressant antimetabolite either alone or, more commonly, in combination with other agents (usually corticosteroids) and procedures which influence the immune response. Therapeutic effect may be evident only after weeks or months and can include a steroid-sparing effect, thereby reducing the toxicity associated with high dosage and prolonged usage of corticosteroids.
Azathioprine either alone or more usually in combination with corticosteroids and/or other drugs and procedures has been used with clinical benefit (which may include reduction of dosage or discontinuation of corticosteroids) in a proportion of patients suffering from the following:
For this indication, competent medicine agencies globally authorize below treatments:
Oral
1 - 3 mg per kg of body weight
From 1 To 3 mg per kg of body weight once every day
3 mg per kg of body weight
In general, starting dosage is from 1-3 mg/kg bodyweight/day, and should be adjusted, within these limits, depending on the clinical response (which may not be evident for weeks or months) and haematological tolerance.
When therapeutic response is evident, consideration should be given to reducing the maintenance dosage to the lowest level compatible with the maintenance of that response. If no improvement occurs in the patient’s condition within 3 months, consideration should be given to withdrawing the medicinal product.
The maintenance dosage required may range from less than 1 mg/kg bodyweight/day to 3 mg/kg bodyweight/day, depending on the clinical condition being treated and the individual patient response, including haematological tolerance.
Azathioprine should be administered at least 1 hour before or 3 hours after food or milk.
Intravenous
1 - 3 mg per kg of body weight
From 1 To 3 mg per kg of body weight once every day
3 mg per kg of body weight
In general, starting dosage is from 1-3 mg/kg bodyweight/day, and should be adjusted, within these limits, depending on the clinical response (which may not be evident for weeks or months) and haematological tolerance.
When therapeutic response is evident, consideration should be given to reducing the maintenance dosage to the lowest level compatible with the maintenance of that response. If no improvement occurs in the patient’s condition within 3 months, consideration should be given to withdrawing the medicinal product.
The maintenance dosage required may range from less than 1 mg/kg bodyweight/day to 3 mg/kg bodyweight/day, depending on the clinical condition being treated and the individual patient response, including haematological tolerance.
Azathioprine should be administered at least 1 hour before or 3 hours after food or milk.
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