21 CFR 312.85 - Phase 4 studies.

§ 312.85 Phase 4 studies.
Concurrent with marketing approval, FDA may seek agreement from the sponsor to conduct certain postmarketing (phase 4) studies to delineate additional information about the drug's risks, benefits, and optimal use. These studies could include, but would not be limited to, studying different doses or schedules of administration than were used in phase 2 studies, use of the drug in other patient populations or other stages of the disease, or use of the drug over a longer period of time.

Title 21 published on 2013-04-01

no entries appear in the Federal Register after this date.

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United States Code

Title 21 published on 2013-04-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 21 CFR 312 after this date.

  • 2013-05-09; vol. 78 # 90 - Thursday, May 9, 2013
    1. 78 FR 27115 - Draft Guidance for Industry on Expanded Access to Investigational Drugs for Treatment Use—Questions and Answers; Availability
      GPO FDSys XML | Text
      DEPARTMENT OF HEALTH AND HUMAN SERVICES, Food and Drug Administration
      Notice of availability.
      Although you can comment on any guidance at any time (see 21 CFR 10.115(g)(5)), to ensure that the Agency considers your comment on this draft guidance before it begins work on the final version of the guidance, submit either electronic or written comments on the draft guidance by July 8, 2013.
      21 CFR Part 312