ATC-Pharma is a company with 35 years of experience in conducting early phase clinical trials. Since its creation, ATC-Pharma has acquired a great deal of clinical and medical expertise by conducting more than 300 studies thanks to the participation of approximately 4500 volunteers and its qualified and dynamic team. Specialized in Phase I and IIa clinical trials, its expertise is acquired in exploratory clinical trials [eCTA], First-in-Man administrations [FIM], Single Ascending Dose studies [SAD], Multiple Ascending Dose studies [MAD] , food and drug interaction studies, bioavailability / bioequivalence studies [PK, PD], cardiac safety [QTc], proof of concept, .... Surrounded by an environment of high scientific and technical quality, ATC-Pharma is located in the University Hospital of Liège. This environment gives a privileged access to the different medical expertise of the University Hospital of Liège: neurology, psychiatry, endocrinology, pneumology, radiology, gastroenterology, .... departments located within the hospital. Every day, ATC's team of about 20 people, made up of Investigators, Pharmacists, Project Managers, Study Coordinators and Study Nurses, Quality Manager, Data Entry Operators, Recruiters, ... works to provide high-quality services . Dynamic and competent, ATC’s team is continuously trained in GCP, GDP (certified) and BLS. By working according to the recognized quality standards and regularly audited and inspected, every effort is made to ensure the safety of subjects as well as the reliability, security and quality of data. Short approval times from the Federal Agency for Medicines and Health Products [FAMHP] and the University Hospital-University Faculty Committee of Liège with which ATC Pharma works in close collaboration, make it an unavoidable decision in setting up a clinical trial.