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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 521-530 of 2195 for surgery

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  1. A Study to Analyze AVB-114 to Treat Complex Crohn’s Perianal Fistulas in Subjects with Quiescent Rectal Disease

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

  2. Denosumab in Treating Patients With Recurrent or Refractory Osteosarcoma

  3. The EMPrint™ Ablate and RESect Study in Patients With Metastatic Lung Tumors

  4. Comparison of Three Surgical Techniques to Achieve Patella Symmetry During Resection

    Rochester, MN

  5. A Study of the GORE® TAG® Thoracic Branch Endoprosthesis for Treating Proximal Descending Thoracic Aortic Aneurysms

    Rochester, MN

  6. Carotid Revascularization and Medical Management for Asymptomatic Carotid Stenosis Trial

    Scottsdale/Phoenix, AZ

  7. Zenith® p-Branch® OTS Multicenter Study

    Rochester, MN

  8. Feasibility Study of IV rtPA vs. Primary Endovascular Therapy for Acute Ischemic Stroke

    Jacksonville, FL

  9. Study of Treating Patients with Vestibular Schwannoma with Aspirin

    Rochester, MN

  10. Improved Training Program for Fall Prevention of War Fighters with Lower Extremity Trauma

    Rochester, MN

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