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Clinical research involves the systematic study of medical treatments, diagnostic tests, or preventive measures to determine their effectiveness and safety. This research is crucial before new interventions are widely adopted, ensuring they offer advantages over existing methods in terms of health benefits, safety, or cost.1

Clinical trials are a primary method, categorized as either interventional (where participants receive a specific treatment) or observational (where researchers study patients receiving routine care). Participants are carefully selected based on eligibility criteria, and their informed consent is paramount, guided by ethical principles like the Nuremberg Code and the Declaration of Helsinki.1

Drug research, a significant part of clinical research, progresses through distinct phases (Phase 1, 2, and 3) to assess safety, dosage, effectiveness, and compare new treatments against standard ones or placebos. Ethical committees review research projects to ensure risks are justified, and rigorous statistical analysis is used to minimize bias and ensure objective conclusions.12

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