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  2. Phases of clinical research - Wikipedia

    en.wikipedia.org/wiki/Phases_of_clinical_research

    Phase III trials for dermatology may cost as low as $11 million, whereas a pain or anesthesia Phase III trial may cost as much as $53 million. [30] An analysis of Phase III pivotal trials leading to 59 drug approvals by the US Food and Drug Administration over 2015–16 showed that the median cost was $19 million, but some trials involving ...

  3. Dose-ranging study - Wikipedia

    en.wikipedia.org/wiki/Dose-ranging_study

    A dose-ranging study is a clinical trial where different doses of an agent (e.g. a drug) are tested against each other to establish which dose works best and/or is least harmful. Dose-ranging is usually a pre-clinical , phase I or early phase II clinical trial.

  4. Clinical research - Wikipedia

    en.wikipedia.org/wiki/Clinical_research

    Phase IV is post-approval studies. [8] Phase I includes 20 to 100 healthy volunteers or individuals with the disease or condition. [1] [3] This study typically lasts several months and its purpose is to prove safety and an effective dosage. Phase II includes a larger number of individual participants in the range of 100–300, and Phase III ...

  5. New Drug Application - Wikipedia

    en.wikipedia.org/wiki/New_Drug_Application

    The trials are typically conducted in three phases: [5] Phase 1: The drug is tested in 20 to 100 healthy volunteers to determine its safety at low doses. About 70% of candidate drugs advance to Phase 2. Phase 2: The drug is tested for both efficacy and safety in up to several hundred people with the targeted disease.

  6. Clinical trial - Wikipedia

    en.wikipedia.org/wiki/Clinical_trial

    A clinical trial participant receives an injection. Clinical trials are prospective biomedical or behavioral research studies on human participants designed to answer specific questions about biomedical or behavioral interventions, including new treatments (such as novel vaccines, drugs, dietary choices, dietary supplements, and medical devices) and known interventions that warrant further ...

  7. Monitoring in clinical trials - Wikipedia

    en.wikipedia.org/wiki/Monitoring_in_clinical_trials

    Clinical monitoring is the oversight and administrative efforts that monitor a participant's health and efficacy of the treatment during a clinical trial.Both independent and government-run grant-funding agencies, such as the National Institutes of Health (NIH) [1] and the World Health Organization (WHO), [2] require data and safety monitoring protocols for Phase I and II clinical trials ...

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