Antileukotriene agents in the management of asthma
Allergen avoidance in the treatment of asthma and allergic rhinitis
An overview of asthma management
Diagnosis of asthma in adolescents and adults
Evaluation of severe asthma in adolescents and adults
Identifying patients at risk for fatal asthma
Natural history of asthma
Severe asthma phenotypes
Management of acute exacerbations of asthma in adults
Treatment of intermittent and mild persistent asthma in adolescents and adults
Treatment of moderate persistent asthma in adolescents and adults
Treatment of severe asthma in adolescents and adults
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Intravenously administered glucocorticoids , such as prednisone , are the standard of care in acute GvHD  and chronic GVHD.  The use of these glucocorticoids is designed to suppress the T-cell-mediated immune onslaught on the host tissues; however, in high doses, this immune-suppression raises the risk of infections and cancer relapse. Therefore, it is desirable to taper off the post-transplant high-level steroid doses to lower levels, at which point the appearance of mild GVHD may be welcome, especially in HLA mis-matched patients, as it is typically associated with a graft-versus-tumor effect. [ citation needed ] . Cyclosporine and tacrolimus are inhibitors of calcineurin. Both substances are structurally different but have the same mechanism of action. Cyclosporin binds to the cytosolic protein Peptidyl-prolyl cis-trans isomerase A (known as cyclophilin), while tacrolimus binds to the cytosolic protein Peptidyl-prolyl cis-trans isomerase FKBP12. These complexes inhibit calcineurin, block dephosphorylation of the transcription factor NFAT of activated T-cells and its translocation into the nucleus  . Standard prophylaxis involves the use of cyclosporine for six months with methotrexate. Cyclosporin levels should be maintained above 200 ng/ml  . Other substances that have been studied for GvHD prophylaxis include, for example: sirolism, pentostatin and alemtuzamab  .