Discrepancy between clinical course and drug-induced lymphocyte stimulation tests in a case of saireito-induced liver injury accompanied by Sjögren syndrome.

Saireito consists of components of shosaikoto and goreisan. There are several reports of liver injury caused by shosaikoto and saireito, whereas cases caused by goreisan are rarely seen. A 70-year-old woman suffered from sicca of the eyes and oral cavity that arose in 2003. In June 2004, we diagnosed her as having Sjögren syndrome on the basis of Schirmer's test, salivary scintigraphy, presence of anti-SS-A/Ro antibody, and subjective symptoms. Although a muscarinic agonist was commenced, her sicca symptoms did not improve. In February 2008, 7.5 g/day of shosaikoto extract granules (for ethical use, Tsumura & Co., Tokyo, Japan) was introduced. Her symptoms and laboratory data did not change. The next month, the treatment was replaced by 9.0 g/day of saireito extract granules (for ethical use, Tsumura & Co., Tokyo, Japan). After 10 weeks, elevation of liver enzymes was observed. On suspicion of drug-induced liver injury (DILI), saireito was withdrawn, and the patient's liver enzymes returned to normal the next month. Drug-induced lymphocyte stimulation tests (DLSTs) for saireito, shosaikoto, and goreisan were all positive. The clinical course suggested allergy to the goreisan component of saireito. It is important to be aware of the limitation of DLST as a diagnostic tool for DILI, especially for herbal medicines.

Citation

Tokutaro Tsuda, Shinobu Yashiro, Yuji Gamo, Koji Watanabe, Takayuki Hoshino, Tetsuro Oikawa, Toshihiko Hanawa. Discrepancy between clinical course and drug-induced lymphocyte stimulation tests in a case of saireito-induced liver injury accompanied by Sjögren syndrome. Journal of alternative and complementary medicine (New York, N.Y.). 2010 Apr;16(4):501-5

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PMID: 20423219

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