SOCRA CCRP Study Protocols 3

Question 1

What is the purpose of specifying stopping rules in a clinical trial protocol?

Accepted Answer

To define predetermined criteria for early termination of the trial based on safety concerns, futility, or overwhelming efficacy

Answer

To determine when to stop recruiting at a single site

Answer

To set working hours for site staff

Answer

To establish the deadline for database lock

Question 2

What information must the protocol provide about concomitant medications?

Accepted Answer

A list of permitted, prohibited, and restricted concomitant medications along with guidelines for managing drug interactions

Answer

Only the name of the investigational product

Answer

Only medications that the investigator personally prescribes

Answer

A complete pharmacopoeia listing all available drugs

Question 3

What is the difference between a primary endpoint and a secondary endpoint in a clinical trial protocol?

Accepted Answer

The primary endpoint is the main outcome measure on which the sample size is based, while secondary endpoints provide supportive evidence

Answer

There is no meaningful difference

Answer

Primary endpoints are measured first chronologically

Answer

Secondary endpoints are more important than primary endpoints

Question 4

How should the protocol address subject withdrawal and discontinuation?

Accepted Answer

The protocol must specify criteria for subject withdrawal, procedures for discontinuation, and the type and timing of data to be collected from withdrawn subjects

Answer

The protocol does not need to address this topic

Answer

Only the informed consent form addresses withdrawal

Answer

Withdrawn subjects are automatically excluded from all analyses

Question 5

What is a protocol-specified visit window and why is it important?

Accepted Answer

A defined acceptable time range around each scheduled study visit that allows for scheduling flexibility while maintaining data quality

Answer

A physical window at the research site

Answer

A computer software application for scheduling

Answer

The timeframe for regulatory submission

Question 6

What is the role of the statistical analysis plan (SAP) in relation to the study protocol?

Accepted Answer

The SAP is a detailed document that expands on the protocol's statistical section, specifying all planned analyses, populations, and handling of missing data

Answer

The SAP replaces the protocol entirely

Answer

The SAP is written after the database is unblinded

Answer

The SAP only addresses adverse event reporting