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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 41-50 of 59 for Brain tumor

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  1. A Study to Evaluate the Challenges, Behavioral Patterns, and Preferences of Minority Patient Participation in Clinical Trials

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

  2. ESSBS Quality of Life

    Rochester, MN

  3. A Study of Genetic Testing in the Care of Glioma Patients

    Rochester, MN

  4. Functional Brain Mapping by Means of Communication Practices

    Rochester, MN

  5. A Study to Evaluate Advanced Development of Desorption Electrospray Ionization Mass Spectrometry for Intraoperative Molecular Diagnosis of Brain Cancer

    Jacksonville, FL

  6. Human Blood and Tissues Repository for Neuroscience Research

    Jacksonville, FL

  7. A Study to Explore if it is Possible to Successfully Obtain Optical Coherence Tomography (OCT) Imaging and Data While Patients Undergo Brain Surgery

    Jacksonville, FL

  8. Blood Brain Barrier Differences in Patients With Brain Tumors Undergoing Surgery

    Rochester, MN, Scottsdale/Phoenix, AZ

  9. Cognitive Function After Treatment of Primary CNS Malignancy

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

  10. Long-Term Follow-Up of Patients Who Have Participated in Children's Oncology Group Studies

    Rochester, MN

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