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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. 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.

  5. 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 ...

  6. Drug development - Wikipedia

    en.wikipedia.org/wiki/Drug_development

    Drug development is the process of bringing a new pharmaceutical drug to the market once a lead compound has been identified through the process of drug discovery.It includes preclinical research on microorganisms and animals, filing for regulatory status, such as via the United States Food and Drug Administration for an investigational new drug to initiate clinical trials on humans, and may ...

  7. Pfizer reports patient death in Duchenne gene therapy study - AOL

    www.aol.com/news/pfizer-reports-patient-death...

    (Reuters) -A young patient died due to cardiac arrest after receiving Pfizer's experimental gene therapy being tested in a mid-stage trial for a muscle-wasting disorder called Duchenne muscular ...