Which data are typically included under safety data in a clinical trial report?

• A. Primary endpoint estimates
• B. Demographics
• C. Adverse events and laboratory abnormalities
• D. Statistical methods

Answer: (C)

The data typically included under safety data are adverse events and laboratory abnormalities. Safety data focus on signals of harm from the intervention: adverse events (AEs) are any unfavorable or unexpected signs or symptoms that occur after starting the treatment, and laboratory abnormalities track objective test results that deviate from normal ranges, indicating potential toxicity or organ effects. Together, these components help characterize the safety profile and risks of the investigational product.

In contrast, primary endpoint estimates relate to efficacy outcomes, demographics describe who was enrolled, and statistical methods explain how analyses were performed. These elements are separate from the actual safety observations used to assess risk.