Screening Protocol for the Evaluation of Research Participants

Study Summary

Background: \- The National Institute on Drug Abuse (NIDA) uses a standardized set of procedures to develop a pool of potential participants for research studies. Because some of the data collected during screening are used later for research, the screening itself is considered a study. An applicant to any NIDA study is considered a participant in NIDA screening. Objectives: \- To identify, recruit, and screen participants for NIDA research protocols. Eligibility: \- Individuals 18 years of age and older who are able to provide informed consent. Design: * Individuals who are eligible for screening will undergo two interviews: a telephone interview and an in-person interview. The phone interview will determine eligibility for the in-person interview. * The in-person interview may require up to five visits to NIDA. The in-person visit will involve any or all of the following procedures: (1) full physical examination and medical history; (2) psychiatric interview; (3) psychological testing; (4) electrocardiogram; (5) samples of blood, urine, and hair; and (6) other minimally invasive procedures as directed by the research staff. * During screening, a photograph will be taken for confirmation of identity during subsequent visits for other studies. * No clinical care will be provided as part of screening.