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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 1051-1060 of 2188 for surgery

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  1. The Cognitive Performance Cost of Increased Work of Breathing

    Rochester, MN

  2. A Study to Investigate the Performance of Dual Energy CT for the Detection of Breast Implant Rupture and Extra-capsular Silicone Compared to Standard MRI Exams.

  3. A Study to Understand the Perceptions of Patients, Family Members and Caregivers About Their Role for Engagement in Research

    Rochester, MN

  4. Use of Multimedia to Improve Cardiopulmonary Exercise Testing in Children

    Rochester, MN

  5. A Study of Continuous Simultaneous Recording of Skin Sympathetic Nerve Activity and Electrocardiography for Predicting the Sudden Start of Ventricular Arrhythmia Events and Response to Treatment

    Rochester, MN

  6. Study to Evaluate the Safety and Effectiveness of IW-1973 Dosing over 12 Weeks in Patients with Congestive Heart Failure with Preserved Ejection Fraction

    Scottsdale/Phoenix, AZ

  7. Study of the Safety, Pharmacokinetics and Efficacy of EDO-S101, in Patients With Advanced Solid Tumors

  8. A Study of Paclitaxel with or without Cixutumumab as Second-Line Therapy for Treating Patients with Metastatic Esophageal Cancer or Gastroesophageal Junction Cancer

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

  9. A Study Using Spinal Stimulation During Exercise in Patients with Heart Failure

    Rochester, MN

  10. Metabolic Mapping and Cardiac Resynchronization

    Rochester, MN

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