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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.

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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 351-360 of 2195 for surgery

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  1. Testing the Addition of MEDI4736 (Durvalumab) to Chemotherapy Before Surgery for Patients With High-Grade Upper Urinary Tract Cancer

    Jacksonville, FL

  2. High-Dose Radiation Therapy Versus Standard Care in Treating Patients With Pancreatic Cancer That Cannot Be Removed By Surgery

    Rochester, MN, La Crosse, WI

  3. Radiation Therapy with or without Cetuximab in Treating Patients Who Have Undergone Surgery for Locally Advanced Head and Neck Cancer

    Jacksonville, FL, Rochester, MN, La Crosse, WI, Albert Lea, MN, Mankato, MN

  4. A Study to Evaluate a New Anti-Cancer Vaccine for Patients with Non-Small Cell Lung Cancer, Given After Tumor Removal by Surgery

    Rochester, MN

  5. Postoperative Oral Tranexamic Acid in Patients Undergoing Primary Total Joint Arthroplasty

    Scottsdale/Phoenix, AZ

  6. Oxaliplatin, Leucovorin Calcium, and Fluorouracil with or without Celecoxib in Treating Patients with Stage III Colon Cancer Previously Treated with Surgery

    Eau Claire, WI

  7. A Study Using Prothrombin Complex Concentrate versus Fresh Frozen Plasma for Post Cardiopulmonary Bypass Surgery Clotting Problems and Bleeding

    Rochester, MN

  8. Methadone versus Intrathecal Hydromorphone for Analgesia Patients Undergoing Surgery for Gynecologic Malignancy via Midline Laparotomy Receiving Liposomal Bupivacaine

    Rochester, MN

  9. Dendritic Cell Therapy After Cryosurgery in Combination With Pembrolizumab in Treating Patients With Stage III-IV Melanoma That Cannot Be Remove by Surgery

    Rochester, MN

  10. Evaluate the Safety and Efficacy of Dura Sealant Patch in Reducing CSF Leakage Following Elective Cranial Surgery (ENCASE II)

    Jacksonville, FL, Rochester, MN

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