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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 3551-3560 of 10862

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  1. Quantitative Assessment of Skin and Liver of Patients with Diffuse Systemic Sclerosis Using Shear-Wave Ultrasound Elastography

    Scottsdale/Phoenix, AZ

  2. A Study to Evaluate Ultrasound Scans to Measure Cervical Dilation and Effacement in Labor

    Rochester, MN

  3. Testing Nivolumab and Ipilimumab With Short-Course Radiation in Advanced Rectal Cancer

    Rochester, MN

  4. Efficacy of Extended Melatonin on sleep cycle in patients with PD and RBD.

    Jacksonville, FL

  5. A Study Evaluating Tolerability and Efficacy of Navitoclax in Combination With Ruxolitinib in Subjects With Myelofibrosis

    Jacksonville, FL

  6. A Study to Compare Radiation Exposures between Two Standard-of-care Methods of Abdominal Aortic Aneurysm Repair

    Scottsdale/Phoenix, AZ

  7. A Study of the Effects of Decreasing the Lasix Dose on the Cardiorenal System

    Rochester, MN

  8. A Two-Part Study to Investigate the Dose-Ranging Safety and Pharmacokinetics, Followed by the Efficacy and Safety of ZX008 (Fenfluramine Hydrochloride) Oral Solution as an Adjunctive Therapy in Children ≥2 Years Old and Young Adults With Dravet Syndrome

    Rochester, MN

  9. A Study Assess the Long-Term Safety of ZX008 (Fenfluramine Hydrochloride HCl) Oral Solution in Children and Young Adults With Dravet Syndrome

    Rochester, MN

  10. Performance of Clutch Cutter vs. Conventional Endoscopic Submucosal Dissection Methods among Gastroenterology Trainees in an Ex Vivo Model

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