| Study | Study Design | Dates Sort descending | Age | Smokers Allowed | Location | Compensation |
|---|---|---|---|---|---|---|
| Non-Smokers may qualify! 780583 1a or 1b | 1 stay of 4 nights, plus 3 follow-up visits & 2 phone calls | Dec 28 2025 - Jan 14 2026 | 25-65 | No | Dallas, Texas | $3,905 |
| Weighing your options? 777790 16 | 1 stay of 8 nights, and 13 follow-up visits | Jan 08 2026 - May 08 2026 | 18-60 | Yes | Dallas, Texas | $13,441 |
| Screening Appointments Available 8543-542 12 OR 14 | 1 stay of 4 nights & 6 follow-up visits | Feb 03 2026 - Apr 01 2026 | 18-50 | No | Dallas, Texas | $7,456 |