Patients undergoing endoscopy for upper gastrointestinal symptoms were randomized to open treatment with either RBC 400 mg b.d. plus clarithromycin 250 mg b.d. and tinidazole 500 mg b.d. for 1 week ( RbcCT ) or RBC 400 mg b.d. plus clarithromycin 500 mg b.d. ( RbcC ) for 2 weeks .
