Journal
JOURNAL OF GASTROENTEROLOGY
Volume 46, Issue 5, Pages 696-704Publisher
SPRINGER JAPAN KK
DOI: 10.1007/s00535-010-0361-y
Keywords
Autoimmune pancreatitis (AIP); Steroid pulse therapy; Bile duct stricture; Diabetes mellitus; Pancreatic cancer
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Funding
- Ministry of Culture and Science of Japan [20590810]
- Minister of Labor and Welfare of Japan
- CREST Japan Science and Technology Agency
- Grants-in-Aid for Scientific Research [20590810, 23591017, 21590878] Funding Source: KAKEN
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The efficacy of oral steroid therapy for autoimmune pancreatitis (AIP) is well known, and oral prednisolone treatment is most usually commenced at 30-40 mg/day, but there have been few reports about comparative studies of oral steroid therapy and steroid pulse therapy as the initial treatment for AIP. We studied the clinical course and image findings to estimate the utility of steroid pulse therapy for AIP, comparing it with oral steroid therapy. Laboratory and image findings were assessed retrospectively in 11 patients who received steroid pulse therapy, and the findings were compared to those in 10 patients who received conventional oral steroid therapy. Change in pancreatic size showed no significant difference between the therapies after 2 weeks of treatment. Significant improvement of lower bile duct strictures after 2 weeks of treatment and that of immunoglobulin values within 6 months were shown with both therapies. However, steroid pulse therapy showed significant improvement of gamma-guanosine triphosphate (GTP) in 2 weeks and of alanine aminotransferase (ALT) in 2 and 8 weeks, compared with oral steroid therapy. Moreover, there was one patient in whom the lower bile duct stricture was not improved by oral steroid therapy, but it did show improvement with steroid pulse therapy. Initial steroid pulse therapy is a beneficial alternative to oral steroid therapy for the improvement of bile duct lesions. In future, the accumulation of a larger number of patients receiving steroid pulse therapy is needed, and prospective studies will be required.
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