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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 51-60 of 218

  • Results filtered:
  • Study status: Open/Status Unknown
  • Healthy Volunteer: Accepts healthy volunteers
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  1. A Study Evaluating the Use of 31P MRS to Assess Brain NAD+ Levels as Compared to Nicotinamide Riboside Supplementation in Healthy Current and Former Collegiate Athletes

    Rochester, MN, Minneapolis, MN

  2. A Study to Evaluate the Effectiveness of Diaphragmatic Breathing on Reflux Symptoms in Outpatients

    Jacksonville, FL

  3. Improving Anorectal Testing for Defecatory Disorders and Fecal Incontinence

    Rochester, MN

  4. A Single-center, Randomized, Double-blind, Placebo-controlled Study to Evaluate the Effects of Tradipitant on Satiation, Gastric Volume, Gastric Accommodation, and Gastric Emptying in Healthy Volunteers

    Rochester, MN

  5. A Study of New MRI Markers to Detect the Earliest Phases of Pediatric Multiple Sclerosis

    Rochester, MN

  6. Bowel Preparation Adequacy by FAIMS Analysis of Fecal Headspace Volatile Organic Compounds in Patients Undergoing Colonoscopy

    Rochester, MN

  7. A Study to Evaluate the Safety and Effectiveness of the Augmented Endoscopy System for Mucosal Lesion Detection During Colonoscopy for Colon Rectal Cancer.

    Scottsdale/Phoenix, AZ, Jacksonville, FL, La Crosse, WI, Eau Claire, WI

  8. A Study to Investigate Mechanisms, Predictors, and Prevention of Persistent Post-Traumatic Headache

    Scottsdale/Phoenix, AZ

  9. Sleep Restriction and Obesity

    Rochester, MN

  10. Physiologic Effects of Sleep Restriction

    Rochester, MN

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