Fundamentals Flashcards
- Effectively __, __, or __ the patients condition
- Produces a __, __ response
- Produces no __ effects
- Can be taken __, usually by mouth
- Can be taken __, usually once a day for a short period of time
- Is __ and __ accessible
- Is __ eliminated by the body after it produces its beneficial effect
- Does not __ with other medications
- treats, prevents or cures
- rapid, predictable
- adverse
- conveniently
- infrequently
- inexpensive,easily
- quickly
- interact
Most common med error?
wrong drug
SSRI
Sliding scale regular insulin
4 dosing errors
trailing 0, naked decimal, name/dose run together, large doses without comma
Sources of drug info
package insert = drug label
Package insert info includes
- trade/generic name
- description
- pharmacology/moa
- contraindications
- warnings
- adverse rxn/se’s
- OD info
- storage
- how supplied
Selected References
- American Hospital Formulary Service – Drug Information
- United States Pharmacopoeia Dispensing Information (USPDI)
- Physicians’ Desk Reference (PDR)
- The Cochrane Library
- Drugs in Pregnancy and Lactation
On-Line Resources
Micromedex Clinical Pharmacology Lexi-Comp Natural Medicines DailyMed Drugs@FDA
No drug laws before..
1906
Pure food and drug act
- 1906
- no adulterated/mislabled
- disclose any of 11 dangerous/addictive ingredients
- no false/misleading claims about curative properties on package
- covered interstate commerce only
- US Pharmacopoeia and National Formulary as standards
Shirley Amendment
- 1912
- no fraudulent therapeutic claims
Food, Drug and Cosmetic Act
- 1938
- mfg must test for harmful effects
- labels accurate and complete
Durham-Humphrey Amendment
- 1952
- how rx drugs ordered and dispensed
Kefauver-Harris Amentdment
- 1962
- req proof of safety and efficacy for approval
- generics for 1938-1962 ok
Phase I
- initial pharm eval
- small number normal volunteers
Phase II
- limited, controlled eval
- increasing dose
- pts w/disease
- effectiveness and se’s
Phase III
- Investigational new drug
- extended clinical eval
- objectives: determine effectiveness, safety, dosing
NDA
New Drug Application
-after phase III
Patent vs. Market Exclusivity
Patent granted by Patent and Trademark Office
-Good for 20 years (in general)
Market exclusivity granted by the FDA at the time of approval
- New chemical: 5 years
- Orphan drug: 7 years
Product Extension
- desvenlafaxine = active metabolite
- levocetirizine = active enantiomer
- Simcor = combo drugs
All prescription drugs are approved by the FDA?
False
Marketed Unapproved Drugs
- Wrap-Up Drugs
- -On the market before 1938
- DESI Drugs
- -Refers to drugs subject to safety only ”approval” (1938- 1962)
- -Falsely claimed GRASE or grandfathered
- Post 1962 drugs that were never approved
Drug Price Competition and Patent Term Restoration Act
- 1984
- abbreviated application
- 5 yr market exclusivity for pioneer drugs (extended for new indications, dosage forms/regimens)
- generics could be approved for drugs introduced after 1962
Generic Drug Approval Criteria
- Pharmaceutical Equivalence
- -Same active ingredients, dosage form, strength, route
- -May differ in shape, scoring, excipients
- Bioequivalence - 80-125%
- -Rate and extent of absorption are not significantly different from pioneer drug
- -AUC, Cmax, Tmax