What effect do painkillers have on infectious diseases?
Painkillers can only treat the symptoms but do not kill pathogens.
What painkiller originates from a compound found in willow bark?
Aspirin
What antibiotic was discovered by Alexander Fleming from a type of mould?
Penicillin
What are the four qualities of a good medicine?
● Effective
● Safe
● Stable
● Able to be taken in and removed easily
What three main factors are tested for when developing new drugs?
● Toxicity
● Efficacy
● Dose
How is preclinical testing carried out?
In a laboratory - uses cells, tissues and live animals
How is clinical testing carried out?
Uses healthy volunteers and patients. Firstly, the drug is tested at a low dose on healthy people - then tested on patients and on a larger scale to find the optimum dose. Often, one group receive a placebo (not the test drug) and the other group receive the actual drug, in order to assess its efficacy.
What is the difference between a single-blind and a double-blind trial?
In a single-blind trial, only the doctor knows whether the patient is receiving the drug or the placebo. In a double-blind trial, neither the patient nor the doctor knows. Double-blind trials help remove bias on the part of the doctor.
What is a peer review?
Where the results of drug trials are checked over by scientists knowledgeable in this field.