Certified Clinical Research Associate (CCRA) Practice Exam 2025 – Complete Preparation Guide

Subject lodging expenses are a typical budget invoice item in clinical research primarily because these costs directly relate to the recruitment and retention of study participants. When conducting clinical trials, it’s common for participants to travel from various locations to the trial site. To ensure their participation, researchers often need to provide accommodations, especially for those who may be traveling long distances or for extended periods. This support can enhance participant compliance and retention, impacting the overall success of the trial.

In contrast, while laboratory supplies, medical equipment purchases, and staff training costs may also appear in a clinical trial budget, they are not as universally applicable across different studies. Laboratory supplies and medical equipment can vary widely based on the specific needs of each trial, and while staff training is essential, it is often a one-time expense rather than a recurring item tied to the operational budget of ongoing trials. Hence, subject lodging expenses stand out as a common and necessary budget item within the clinical research context.