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• Status All Studies Open to New Participants Closed to New Participants
• Location (enter a city, state, zip code, or country)
• Age
  • Child (birth - 17)
  • Adult (18 - 64)
  • Senior (65+)
• Date Trial Began (MM/DD/YY) From To
• Study type (what is this?)

  There are three study types available to search on:

  • Interventional studies test specific treatments, procedures, devices, or behavioral changes.
  • Observational studies do NOT test for specific treatments or other changes. These studies measure health outcomes are studied in a specific group of individuals.
  • Expanded Access Records are not studies, they describe experimental treatments for patients who are not eligible to participate in clinical trials and are not responding to regular treatments. All experimental treatment use outside of clinical trials is documented in these records. Participants must be recommended by their provider to be eligible for expanded access to experimental treatment.
  • Interventional
  • Observational
  • Expanded Access
• Phase (what is this?)
  • Most clinical trials are designated as phase I, II, III, or IV (based on the FDA Regulations):
  • Phase I - Researchers test a new drug or treatment for the first in a small group of people (20-80) to evaluate its safety, determine a safe dosage range, and identify side effects.
  • Phase II - The study drug or treatment is given to a larger group of people (100-300) to determine if it is effective and to further evaluate its safety.
  • Phase III - The study drug or treatment is given to large groups of people (1,000-3,000) to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
  • Phase IV - The study drug or treatment is monitored after approval by the FDA to learn additional information including the drug's risks, benefits, and optimal use.
  • Phase I
  • Phase II
  • Phase III
  • Phase IV
• Outcome measures (what is this?)

  Outcome measures are used to evaluate trial results. For example, an obesity treatment might be evaluated by a measure of weight loss after 6 months. Measures can also be used to track side effects, such as number of heart attacks or mortality rate.

  (examples: response to drug or reduced mortality)
• Sponsors (examples: NIH or Merck)