Pharmacokinetics and Pharmacodynamics
(Exam 1) Questions And Correct Answers/
Latest Update / Already Graded
5 phases of drug development
Ans: Drug discovery (5yrs), pre-clinical (1.5yrs), IND, clinical (6yrs),
NDA, FDA revision (2yrs), and mass production (2 yrs)
3 phases of clinical trials
Ans: Phase 1- small population of healthy volunteers, phase 2- those
affected with the disease, phase 3- large population of placebo vs.
drug
Prescription drug user fee app
Ans: Fee passed in the 90's that paid for additional staff -->
eliminated the backlog of new drug applications
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Phase 4 data
Ans: information learned post approval which leads to off label use
How long do drug patents last?
Ans: 20 years
What leads to fast track drug development?
Ans: Modifying an old drug or cancer/infectious disease drugs
Primary literature
Ans: original trials that can be found in journals --> free of bias
Secondary and tertiary literature
Ans: review papers or summaries of original trials, apps, textbooks --
> can contain bias and/or misinformation