Pain — Hydrocodone For Pain Control in First Trimester Surgical Abortion
Citation(s)
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An Evaluation of Hydrocodone/Acetaminophen for Pain Control in First Trimester Surgical Abortion
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Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
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Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.
