What is a placebo


Assignment:

Question 1. What is the purpose of a Phase 2 trial?

o to assess safety (of a new drug)

o to test efficacy (does a new drug work?)

o to compare to new drug to a standard treatment

Question 2. What is a placebo?

o another name for the investigational treatment received by the experimental group

o the combination of standard and investigational treatments received by the experimental group

o a "fake" treatment

o another name for the standard treatment received by the control group

Question 3. What is double-blinding?

o when neither the participants nor the researchers know which treatment is being administered

o when the participants don't know which treatment they are receiving

o when the placebo is administered to the experimental group

o when both the participants and researchers wear blindfolds

Question 4. What is the purpose of double-blinding?

o to obscure the results

o to increase the sample size

o the remove bias

o to make a non-significant result significant

Question 5. In a phase 3 trial, which group receives standard therapy?

• the control group

• both groups

• the experimental group

• neither group

Question 6. So if we INHBIT a COX-2 enzyme we should expect...

• less pain

• more pain

Question 7 So if we INHIBIT a COX-1 enzyme we should expect...

• GI protection (e.g. from acids)

• GI damage and bleeding

Question 8. Which produces the drug's intended effect?

• COX-2 inhibition

• COX-1 inhibition

Question 9. Which produces side effects?

• COX-1 inhibition

• COX-2 inhibition

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Biology: What is a placebo
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