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Healthy Volunteer

What is this?
A volunteer subject with no known significant health problems who participates in research to test a new drug, device or intervention. These volunteers are recruited to serve as controls for patient groups. Healthy volunteers receive the same test, procedure, or drug the patient group receives.

Study phase

What is this?
During the early phases (phases 1 and 2), researchers assess safety, side effects, optimal dosages and risks/benefits. In the later phase (phase 3), researchers study whether the treatment works better than the current standard therapy. They also compare the safety of the new treatment with that of current treatments. Phase 3 trials include large numbers of people to make sure that the result is valid. There are also less common very early (phase 0) and later (phase 4) phases. Phase 0 trials are small trials that help researchers decide if a new agent should be tested in a phase 1 trial. Phase 4 trials look at long-term safety and effectiveness, after a new treatment has been approved and is on the market.

Search Results 41-50 of 87 for

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  1. Magnetic Resonance Elastography of Dementia

    Rochester, MN

  2. Contrast-Enhanced MR Angiography Method in Comparison to Current Methods in Healthy Volunteers

    Rochester, MN

  3. Study to Assess Limited Magnetic Resonance Imaging in the Surveillance of Crohn's Disease

    Rochester, MN

  4. Prevalence of Transthyretin Cardiac Amyloidosis in Clinically Significant Aortic Stenosis

    Rochester, MN

  5. A Study to Assess the Effect of Radial Deviation on the Pronated Grip

    Rochester, MN

  6. A Study to Determine the Tradeoffs between CT Image Quality and Patient Radiation Dose

    Rochester, MN

  7. Alzheimer's Disease Neuroimaging Initiative 3 (ADNI3) Protocol

    Jacksonville, FL, Rochester, MN

  8. Quantitative Assessment of Tumor Ablation

    Rochester, MN

  9. A Study to Evaluate Ultrasound Imaging in Renal Transplant Recipients

    Jacksonville, FL

  10. A Study of the Ability for CT Imaging to Accurately Predict the Fragility (Quality of Being Easily Broken) of Kidney Stones during Surgical Intervention

    Rochester, MN


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