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Iodine-131 in Helicobacter pylori-positive patients: preliminary accidental finding and in differentiated thyroid
Fei Xu1, Linling Tang, Hong Yuan
1aDepartment of Nuclear Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University bInstitute of Health Sciences, Shanghai Jiao Tong University School of Medicine (SJTUSM) & Shanghai Institutes for Biological Sciences (SIBS), Chinese Academy of Sciences (CAS) cShanghai University of Medicine and Health Sciences, Shanghai, China.
Objective:
To investigate the eradicate effect of Helicobacter pylori in differentiated thyroid cancer patients who underwent I therapy.
Materials And Methods:
A total of 130 patients with differentiated thyroid cancer underwent I treatment. None of the patients had a history of stomach-related diseases. The C-urea breath test (UBT) was carried out for H. pylori examination before I treatment. The cut-off value for C-UBT was 4%. For H. pylori test-positive patients, a second C-UBT was performed 4-6 weeks after I treatment. T-tests were used to compare the difference before and 4-6 weeks after I treatment.
Results:
A total of 42 of 130 (32.31%) patients were H. pylori positive. The average value of H. pylori was 28.36% before I, whereas the value was 18.18% after I therapy. A significant decrease in C-UBT was found after I treatment compared with before therapy (P<0.01).
Conclusion:
Our preliminary data showed that I exerts certain eradication effects on H. pylori, which could provide a new approach to multidrug resistance pathogens. As the exact molecular mechanism of this phenomenon is still unclear, future clinical applications of this anecdotal finding require further assessments.
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