Pharmacology Chapter 3 - Drug Regulation, Development, Names, and Information Flashcards
Federal Pure Food and Drug Act
Passed in 1906 - drugs should be free of adulterants/impurities. First American drug law.
Food, Drug and Cosmetic Act
Passed in 1938. First drug law that talks about safety.
Kefauver-Harris Amendments
Passed in 1962 - requires proof of EFFECTIVENESS.
Controlled Substances Act
Passed 1970. 5 categories - Schedule 1-5 (roman numerals.) 1 is bad - like LSD, heroine, etc. Others are accepted for use, and goes from 2-5 in terms of most potential for abuse.
Fast-Track
1992 - a drug can be approved for marketing prior to completion of phase three - mainly for HIV and Cancer drugs.
FDA Modernization Act
1997 - fast track system for aids and cancer drugs now includes other serious, life threatening illnesses. Also, if a manufacturer plans to stop production of a drug, they might inform patients 6 months in advance. Child can be be required to be tested upon.
New Drug Development - estimate of time and cost.
Roughly 6-12 years, 800 million dollars.
Pre-Clinical Testing
Animal testing. Looks for toxicity of drug, pharmacokinetic properties, etc. May last 1-5 years and can be tested on humans, too. If this is okayed, then Drug receives “Investigational New Drug” award.
Clinical Testing
4 phases. May take 2-10 years. Phases 1-3 are done before drug is marketed, and phase 4 is after.
Phase 1
Conducted in normal volunteers. This evaluates drug metabolism and effects on humans.
Phase 2 & 3
Tested in patients to determine therapeutic effects, dosage ranges, and patient safety. Total numbers of subjects is about 500-5000. Lasts about 3-6 months. After phase 3, application for conditional approval is made.
Phase 4
Usage for general population, new side effects may be discovered, and such. Children, women, and geriatric patients are not studied much.
Drug names - 3 types.
Chemical Name, Generic Name, Trade Name
Drug Name Example - Tylenol
Chemical Name - N-acetyl-para-aminophenol
Generic Name - Acetaminophen
Trade Name - Tylenol
Chemical names -
chemical make up of compound. Usually too complex for people to remember.