Clinical Trials Market Size, Share & Industry Analysis, By Phase (Phase I, Phase II, Phase III), By Study Design (Interventional, Observational, Expanded Access), By Therapeutic Area (Oncology, Cardiovascular Diseases, CNS/Neurological Disorders, Infectious Diseases, Autoimmune & Immunology, Diabetes & Metabolic Disorders, Others), By End User (Pharmaceutical & Biotechnology Companies, Contract Research Organizations, Academic & Research Institutes, Medical Device Companies, Others), By Region (North America, Europe, Asia-Pacific, Latin America, Middle East & Africa) – Share, Size, Outlook, and Opportunity Analysis, 2025-2032