CNPR Clinical Trials 4

Question 1

What is the purpose of a wash-out period in a clinical trial?

Accepted Answer

To allow effects of a prior treatment to dissipate before starting the next treatment period

Answer

A wash-out period allows a previously administered drug to clear from the body so its effects do not carry over and confound results in the next treatment period.

Question 2

Under Good Clinical Practice (GCP) guidelines, how long must trial records typically be retained after trial completion?

Accepted Answer

At least 2 years after the last marketing approval

Answer

ICH E6 GCP guidelines require essential documents to be retained for at least 2 years after the last marketing approval or after the investigational drug is discontinued.

Question 3

What is the primary function of an Institutional Review Board (IRB)?

Accepted Answer

To protect the rights, safety, and welfare of human research participants

Answer

An IRB independently reviews research protocols and informed consent documents to protect the rights, safety, and welfare of human research subjects.

Question 4

What is a 'serious adverse event' (SAE) in clinical trial reporting?

Accepted Answer

An adverse event that results in death, hospitalization, disability, or is life-threatening

Answer

An SAE is defined as any adverse event resulting in death, life-threatening condition, inpatient hospitalization, persistent disability, or congenital anomaly.

Question 5

What does 'blinding' in a clinical trial primarily prevent?

Accepted Answer

Bias in treatment assessment and reporting

Answer

Blinding prevents knowledge of treatment assignment from influencing participant behavior or investigator assessment, thereby reducing measurement and reporting bias.

(CNPR) Certified National Pharmaceutical Representative Practice Test

(CNPR) Certified National Pharmaceutical Representative Practice Test

CNPR Clinical Trials 4