| Budget Amount *help |
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2014: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2013: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2012: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Outline of Final Research Achievements |
Our results suggest that ATI levels of ≤35 μg/mL should be the standard indication for dosage increase. For cases where no improvement is evident following dosage increase, switching to other biopharmaceuticals should be considered. Serum infliximab trough levels are correlated with ESR as well as CRP, serum albumin, and fecal calprotectin levels in Crohn’s disease patients on infliximab maintenance therapy. The results suggest that serum infliximab trough levels should be ≥1.0 μg/mL for effective therapy, and the dosage of infliximab should be increased when serum infliximab trough levels fall below 1.0 μg/mL. Increasing the dosage is not effective and efficacious serum infliximab trough levels cannot be obtained in patients with high ATI levels. Thus, the presence or absence of ATIs is important in determining treatment strategy.
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