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What is Clinical Trails?

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VeedaCR

Lvl 2
5y ago
Updated: 11/3/2022

Clinical trial is any research study that prospectively assigns human participants or groups of humans to one or more health-related involvement to evaluate the effects on health outcomes. Clinical research trials may be conducted by government health agencies such as NIH (National Institute of Health), researchers affiliated with a hospital or university medical program, independent researchers, or private industry.

Clinical trial interventions include but are not restricted to:

Experimental Drugs

  • Cells and Other Biological Products
  • Vaccines
  • Medical Devices
  • Surgical and Other Medical Treatments and Procedures
  • Psychotherapeutic and Behavioural Therapies
  • Health Service Changes
  • Preventive Care Strategies and
  • Educational Interventions.
  • Researchers may also conduct clinical trials to evaluate diagnostic or screening tests and new ways to detect and treat disease.

Types of Clinical TrialsThere are two main types of clinical trials:

  1. Observational clinical trials do not test drugs or treatments. Researchers observe participants by monitoring their health over a period of time. These studies provide researchers with data that advances our understanding of Parkinson’s and how to treat the disease.

  2. Interventional clinical trials test the safety and effectiveness of a candidate drug, therapy or experimental treatment.

Clinical trials also can be classified as follows:

  1. Treatment trials

  2. Prevention trials

  3. Screening trials

  4. Quality of Life trials

  5. Genetics trials

Phases in Clinical Trials:

  1. Phase 0: Number of Subjects (10-15)
  2. Phase I: Screening for safety: Number of Subjects (20-80)
  3. Phase II: preliminary efficacy of the drug: Number of Subjects (100-300)
  4. Phase III: Final confirmation of safety and efficacy: Number of Subjects (1000-3000)
  5. Phase IV: Post marketing studies.
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VeedaCR

Lvl 2
4y ago

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