Previous studies suggest that chronic idiopathic thrombocytopenic purpura is associated with Helicobacter pylori infection. The objective is to study the effect of Helicobacter pylori eradication on platelet count.
Children with chronic idiopathic thrombocytopenic purpura who have Helicobacter pylori infection are enrolled. Helicobacter pylori infection is diagnosed by urea breath test. Patients who have Helicobacter pylori infection will be randomized into 2 groups: control and treatment groups. The treatment group will receive 2 antibiotics and proton-pump inhibitors for 14 days for eradication of infection. Repeated urea breath test at week 6-8 after treatment. Blood tests for platelet count will be performed every month for 6 months in both groups. Platelet count at 6 months in both group will be compared.Blood for platelet antibody will be performed at 3 and 6 months. Control group will receive treatment for Helicobacter pylori at the end of the study.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
26
lansoprazole (15, 30 mg) 1 tab twice daily, clarithromycin 7.5 mg/kg twice daily, amoxycillin 25 mg/kg twice daily; rout: orally; duration 14 days
Faculty of Medicine, Ramathibodi Hospital, Mahidol University
Bangkok, Bangkok, Thailand
platelet count
Time frame: 6 months
platelet antibody after treatment of Helicobacter pylori infection, compared with control group (no treatment of Helicobacter pylori)
Time frame: 6 months
platelet count
Time frame: 6 months
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