The proposed project will investigate healthy volunteers'patterns of participation in Phase I clinical trials, attending to differences based on their racial and ethnic backgrounds. It focuses on the relationship over time between healthy volunteers'perceptions of the risks and benefits of trial participation and their decision-making and behaviors surrounding enrollment in those studies. The majority of healthy volunteers in clinical trials are serial participants, meaning that they enroll repeatedly in studies, so a longitudinal study design is needed to understand their patterns of participation in clinical trial. The project is designed with four primary aims: 1. Assess how participants'perceptions of the risks and benefits of Phase I participation change overtime; 2. Examine how participants make decisions regarding their participation in clinical trials - including continuing serial participation - and assess the consistency of their choices over time; 3. Document how participants'self-reported behaviors (a) affect the validity of clinical trials and (b) increase and/or mitigate harm that could come from serial participation, including behaviors that have health benefits;and 4. Compare participants'perceptions, decisions, and behaviors across racial and ethnic groups. This 5-year project is a prospective, longitudinal, qualitative study and includes 200 healthy volunteers (50 1st-times Phase I participants, 50 2nd-time participants, 50 3rd-5th-time participants, and 50 6th+-time participants) who will be followed for 3 years. They will participate in 5 semi-structured interviews (total of 880): at enrollment, 6 months, 1 year, 2 years, and 3 years. Participants will also maintain "clinical trial diaries" documenting their activities in Phase I studies between interviews. In each group, 10 participants will serve as controls and be interviewed only at enrollment and at three years. The control group will be used to evaluate whether the interviews and diaries have an unintended interventional effect on volunteers over the course of the study.

Public Health Relevance

It is critical to understand the patterns of healthy volunteers'participation in Phase I clinical trials, including differences in the participation of minority groups in these early-phase studies. Through this knowledge, efforts can be made to better protect the health of participants as well as to improve their understanding of the risks of serial participating in clinical trials. In addition, this project can help identify factors associated with serial participation that could affect the validity of clinical trials and potentially threaten the publics health.

Agency
National Institute of Health (NIH)
Institute
National Institute of General Medical Sciences (NIGMS)
Type
Research Project (R01)
Project #
3R01GM099952-02S1
Application #
8611663
Study Section
Special Emphasis Panel (SEIR)
Program Officer
Krasnewich, Donna M
Project Start
2012-09-05
Project End
2017-05-31
Budget Start
2013-06-01
Budget End
2014-05-31
Support Year
2
Fiscal Year
2013
Total Cost
$62,151
Indirect Cost
$21,262
Name
University of North Carolina Chapel Hill
Department
Other Health Professions
Type
Schools of Medicine
DUNS #
608195277
City
Chapel Hill
State
NC
Country
United States
Zip Code
27599