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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 111-120 of 10447

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  1. A Dose Ranging Study Evaluating Efficacy and Safety of NI-03

    Scottsdale/Phoenix, AZ

  2. A Study to Evaluate Effectiveness and Safety of Lenzilumab in Hospitalized Patients with COVID-19 Pneumonia (Enrolling by Invitation Only)

    Scottsdale/Phoenix, AZ, Rochester, MN, Jacksonville, FL

  3. Use of Tamsulosin to Reduce the Incidence and Duration of Postoperative Urinary Retention Following Spine Surgery

    Rochester, MN

  4. Assessment of Vertebral Fracture Risk using VFA and Vertebral Strength Assessment with DXA-Finite Element Analysis in Liver Transplant Recipients in Pre-transplant Period

    Jacksonville, FL

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

  6. Evaluating the Benefit of Concurrent Tricuspid Valve Repair During Mitral Surgery

    Rochester, MN

  7. A Study to Evaluate the Effectiveness, Safety and Movement of Ustekinumab in Pediatric Patients with Ulcerative Colitis

    Rochester, MN

  8. Virtual World-based Cardiac Rehabilitation Program to Encourage Healthy Lifestyle Choices Among Cardiac Patients

    Scottsdale/Phoenix, AZ, Jacksonville, FL, Rochester, MN

  9. 4DCT Imaging for Improved Diagnosis and Treatment of Wrist Ligament Injuries

    Rochester, MN

  10. A Study to Analyze Biopsy of Vascular Malformations

    Rochester, MN

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