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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 1-10 of 48 for

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  1. A Trial of 18F-AV-133 Positron Emission Tomography (PET) Imaging to Differentiate Subjects with Parkinson's Disease (PD) from other Movement Disorders

    Scottsdale/Phoenix, AZ

  2. Treatment of RLS/WED Symptoms Through Sensory Counter-stimulation

    Rochester, MN

  3. A Global Study to Assess the Drug Dynamics, Efficacy, and Safety of GZ/SAR402671 in Parkinson's Disease Patients Carrying a Glucocerebrosidase (GBA) Gene Mutation

    Scottsdale/Phoenix, AZ

  4. Submandibular Gland Needle Core Biopsy and Skin Punch Biopsy as Tissue Biomarkers for the Diagnosis and Monitoring of Disease Progression of Parkinson’s Disease and REM Sleep Behavior Disorder

    Scottsdale/Phoenix, AZ

  5. Phase 2 Study of TAK-341 for Multiple System Atrophy

    Rochester, MN

  6. Long-Term Follow-Up Study of Risdiplam in Participants With Spinal Muscular Atrophy (SMA)

    Rochester, MN

  7. A Study to Evaluate Efficacy, Safety and Tolerability of CK-2127107 in Patients With Amyotrophic Lateral Sclerosis (ALS)

    Rochester, MN

  8. Efficacy and Safety of Losmapimod in Treating Subjects With Facioscapulohumeral Muscular Dystrophy (FSHD)

    Rochester, MN

  9. A Study to Establish a Parkinson’s Disease (PD) Cohort using the Parkinson’s Progression Markers Initiative (PPMI)

    Scottsdale/Phoenix, AZ

  10. (+) Epicatechin to Treat Friedreich's Ataxia

    Rochester, MN

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