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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

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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 1041-1050 of 2189 for surgery

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  1. A Study of Subcutaneous ICD Therapy Combined With VT Ablation for the Secondary Prevention of Sudden Cardiac Death

    Rochester, MN

  2. A Study to Monitor Cardiac Amyloidosis Patients with Implantable Event Monitors

    Rochester, MN

  3. A Study Evaluate the Positive Impact of Canine Therapy on Cardiac Rehab Patient Outcomes

  4. A Study to Evaluate Effectiveness of 2 Doses of Oral CXA-10 in Pulmonary Arterial Hypertension (PAH)

    Jacksonville, FL

  5. A Phase 2/3 Study of Indoximod or Placebo Plus Pembrolizumab or Nivolumab in Subjects With Unresectable or Metastatic Melanoma

    Rochester, MN

  6. A Study to Analyze the Amount of Antibiotic Absorbed into Tissues Comparing Two Different Modes of Administration

    Scottsdale/Phoenix, AZ

  7. A Study of Accelerated 3 Fraction Photon,Proton or Brachytherapy for Early Invasive and Noninvasive Breast Ca

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

  8. Health Benefits of Pulsed Electromagnetic Field Therapy using Bioboosti

    Scottsdale/Phoenix, AZ

  9. Study to Assess the Decline in Cognitive Function Using Standardized Neurocognitive Assessment in Atrial Fibrillation Patients Treated with Apixaban Versus Warfarin

    Rochester, MN

  10. A Study of the Safety and Effectiveness of the SAPIEN 3 Transcatheter Heart Valve in Low Risk Patients with Aortic Stenosis

    Rochester, MN

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