OPTIMUM CRO was established in September 2000 as one of the first CROs in Turkey. Beginning from this date, many projects have been conducted, varying from international phase III and local phase II, phase IV studies to post-marketing trials. More than 30 employees (including CRAs, PMs, QC and data management units) are located in the main office based in Ankara, the capital city of Turkey. With its high development rate, OPTIMUM CRO is one of the leading foundations for conduct, organization and improvement of clinical researches in Turkey. Our main concern is to provide high quality standards for all the local and international trials starting from the design phase through statistical analysis report, which constitutes our mission as well. Our vision is to be a leader in providing high quality in all our services including clinical researches originating from Turkey expanding worldwide. We provide; Regulatory Services (EC and RA (Ministry of Health) Submissions of the trials are performed and followed-up by Optimum CRO), Clinical Trial Management (Monitoring and Project Management, Site Management Organization, Post-marketing Surveillance Studies), Medical Affairs (project manager of the study and the medical advisor of Optimum CRO cooperate in the formation of the report ensuring that obtained data is correctly and fully reflected in the report), Data Management (Data Management Unit constructs the study database and performs statistical analysis defined in the protocol), Investigator Meeting Organization, CRF Design, Study Protocol Design, Training Organziation . Clinical Trials, Post Marketing Trials, Site Management Organization, Electronic Data Capture and Compassionate Use are being conducted by Optimum CRO.