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Healthy Volunteer

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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

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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 3701-3710 of 11717

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  1. Social Media Intervention to Promote Smoking Treatment Utilization and Cessation among Alaska Native Smokers

    Rochester, MN

  2. A Study of the Effects of a Nocturnal Rise in Cortisol on Glucose Production in Type 2 Diabetes

    Rochester, MN

  3. Efficacy and Safety Trial of MK-8931 in Participants With Prodromal Alzheimer's Disease (MK-8931-019)

  4. Absorbable versus Non-Absorbable Suture in Patients Undergoing Carpal Tunnel and Trigger Finger Wound Closure

    Rochester, MN

  5. Ultrasound Utility in Carpal Tunnel Syndrome

    Scottsdale/Phoenix, AZ

  6. Stem Cell Therapy for Chronic Kidney Disease

    Jacksonville, FL

  7. Bone Marrow-Derived Mesenchymal Stem Cell Therapy for Chronic Kidney Disease

    Jacksonville, FL

  8. Dosing Regimen of Eculizumab Added to Conventional Treatment in Positive Crossmatch Deceased Donor Kidney Transplant

    Rochester, MN

  9. Antiemetic Therapy With or Without Olanzapine in Preventing Chemotherapy-Induced Nausea and Vomiting in Patients With Cancer Receiving Highly Emetogenic Chemotherapy

    Rochester, MN

  10. Proof of Concept: "Bottom's Up" Seat to Treat Constipation

    Scottsdale/Phoenix, AZ

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