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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 1-10 of 20 for Breast cancer surgery

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  • Study status: Open/Status Unknown
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  1. Hypofractionated Radiation Therapy After Mastectomy in Preventing Recurrence in Patients With Stage IIa-IIIa Breast Cancer

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

  2. Assessing the Accuracy of Tumor Biopsies After Chemotherapy to Determine if Patients Can Avoid Breast Surgery

    Rochester, MN

  3. Study Of Ruxolitinib (INCB018424) With Preoperative Chemotherapy For Triple Negative Inflammatory Breast Cancer

    Rochester, MN

  4. A Study of Standard of Care Therapy, with or without the Addition of Stereotactic Radiosurgery and/or Surgery, for Treating Patients with Limited Metastatic Breast Cancer

    Rochester, MN, Jacksonville, FL

  5. Pragmatic Randomized Trial of Proton vs. Photon Therapy for Patients With Non-Metastatic Breast Cancer: A Radiotherapy Comparative Effectiveness (RADCOMP) Consortium Trial

    Rochester, MN

  6. A Study to Evaluate Treating Post-Mastectomy Radiation Injury in Breast Cancer Patients with Adipose-Induced Regeneration of Breast Skin (AIR Breast)

    Jacksonville, FL

  7. Eliminating Breast Cancer Surgery in Exceptional Responders with Neoadjuvant Systemic Therapy

    Rochester, MN

  8. A Study to Evaluate Radiotherapy to the Whole Breast or Post-mastectomy Chest Wall Including Regional Nodal Irradiation

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

  9. Anastrozole and Letrozole After Surgery for the Treatment of Stage I-III Breast Cancer

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

  10. A Study to Evaluate Decreasing Chemotherapy for Breast Cancer Patients After Pre-surgery Chemo and Targeted Therapy

    Eau Claire, WI, Rochester, MN, La Crosse, WI, Jacksonville, FL

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