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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 71-80 of 102 for Breast cancer

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  • Study status: Open/Status Unknown
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  1. A Study to Evaluate the Immune Response to Anti-HER2 Therapies

    Jacksonville, FL

  2. Lobular Involution-Based Response to Antiendocrine Therapy for Women with Breast Atypical Hyperplasia

    Jacksonville, FL

  3. A Study to Analyze the Prevalence of Depression and Anxiety in Newly-diagnosed Breast Cancer Patients in a Community Hospital

    La Crosse, WI, Albert Lea, MN, Austin, MN, Eau Claire, WI, Rochester, MN

  4. A Registry for the Collection and Maintenance of Biological Specimens for Breast Cancer Research

    Rochester, MN

  5. A Study to Evaluate Circulating Tumor DNA (ctDNA) and Immunophenotyping as Potential Biomarkers in Patients Undergoing Regional Nodal Irradiation for Breast Cancer

    Rochester, MN

  6. A Study of Low Dose Tamoxifen for Patients at High Risk for Breast Cancer

    Jacksonville, FL, Rochester, MN

  7. A Study to Evaluate The Effect of Diet and Exercise on Biomarkers Associated with Obesity and Breast Cancer in Overweight Women with Early Stage Breast Cancer

    Rochester, MN

  8. A Study of Women undergoing Mammogram Screening at Mountain Park Clinic

    Scottsdale/Phoenix, AZ, Rochester, MN

  9. The Women Choosing Surgical Prevention (WISP) Trial

    Rochester, MN

  10. Comparison of Molecular Breast Imaging and Digital Breast Tomosynthesis for Screening in Women With Dense Breasts

    Rochester, MN, La Crosse, WI

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