A medicine is commonly defined as a drug or preparation that can treat or prevent disease. Medicines must be delivered into the body, where they are then distributed to...
Bioavailability is the fraction (percentage) of an administered dose of unchanged drug that reaches the blood stream (systemic circulation). Bioavailability varies between different pharmaceutical ingredients and mode of administration.
During lead generation, many molecules are tested for target interaction. These may then need to be altered, or optimised, in order to improve their effect on the target.
Phase I clinical studies, or proof of mechanism studies, test the safety of a medicine in humans. Usually, these studies are carried out in healthy human volunteers.
Data from non-clinical trials is important as a predictor and decision-making tool in the medicines development process. Adequate and satisfactory non-clinical results are required before a medicine may be...
In Phase II trials, the investigational medicinal product is tested for efficacy (and safety). The studies conducted are typically therapeutic exploratory studies which try to discover whether the medicine...
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