Comparison of Antisecretory Effect of a Single Dose of Rabeprazole 20 mg and Omeprazole 20 mg in Obese Subjects (Oberab)
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This study aims to determine, in obese subjects, the antisecretory effect of a single dose of placebo, rabeprazole 20 mg and omeprazole 20 mg using 24h gastric pH monitoring, in a prospective, monocentre, randomized manner. Monitorings are separated between 6 and10 days. The main outcome criteria of analysis is the percentage of time with gastric pH above 3 during 24hours.
In order to measure antisecretory effect, the main outcome criteria of analysis will be the percentage of time with gastric pH above 3 and measured during 24hours following rabeprazole administration in comparison with omeprazole administration.
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Ages Eligible for Study:
18 Years to 55 Years (Adult)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Helicobacter negative obese subject (BMI 30 to 40),
18 to 55 years old,
normal hepatic biology and morphology (echography)
Contraceptive methods in women.
Subjects with previous abdominal surgery, with diabetic or immunosuppressive treatment.