Comparative study of the pharmacodynamic parameters and pharmacodynamic equivalence (bioequivalence) of drug Antareit 800 mg/10 ml oral suspension and drug Riopan 800 mg chewable tablets in healthy volunteers.
Voluntary and handwritten informed consent form signed by a healthy volunteer to participate in the study prior to any of the study procedures;
Healthy male and female caucasian volunteers aged 18 to 45 years (inclusive);
Verified diagnosis "healthy" (without abnormal findings in the protocol-defined clinical, laboratory, and instrumental test data);
pH according to hourly pH-metry in the screening period, carried out at least 3 hours after the last meal, is completely in the range from 1 to 3 inclusive throughout the entire astronomical hour of measurement;
A history of allergy;
History of drug intolerance to the active and/or excipients included in the study drugs;
History of drug intolerance of or hypersensitivity/allergic reactions to lidocaine, xylocaine or other topical anesthetics which will be used at the trial site for anesthesia during esophagogastroduodenoscopy (EGD) and insertion of the probe for the pH measurements;
Chronic diseases of the circulatory, lymphatic, respiratory, nervous, endocrine, gastrointestinal, musculoskeletal, integumentary, immune, urogenital, and hematopoietic systems;