demo This six-step form requires JavaScript. Please enable it in your browser. ONLINE PRE-SCREENING Let's Check Your Eligibility Complete the six steps below. Your information will be reviewed by our clinical research team. 📞 Need Help? Call Us: +18329792393 1Personal 2Eligibility 3Medical 4Medications 5Female 6Requirements Step 1 of 6 — Personal Information Please provide your basic information. Full Name * Age * Phone Number * Email Address * Height (Feet / Inches) * Feet Inches Current Weight (lbs) * Body Mass Index (BMI) BMI is automatically calculated. Final eligibility is determined by the clinical research team. Next Step → Step 2 of 6 — Basic Eligibility Please answer every question accurately. 11 Are you between 18 and 65 years old? Yes No 12 Do you consider yourself generally healthy, without any significant ongoing medical conditions? Yes No Unsure 13 Have you used cigarettes, vapes, nicotine pouches, chewing tobacco, nicotine patches, or any other nicotine products within the last 6 months? Yes No 14 Are you available to stay at our research facility for two separate periods of at least 49 hours each? Yes No 15 Can you return for the second study period, with at least 7 days between medication doses? Yes No 16 Are you comfortable with repeated blood draws and medical monitoring? Yes No 17 Can you follow overnight fasting and study-specific meal and water restrictions? Yes No ← Previous Next Step → Step 3 of 6 — Medical History Please provide accurate medical information. 18 Have you ever been diagnosed with a significant medical condition involving your heart, lungs, kidneys, liver, nervous system, blood, or immune system, including asthma, COPD, or other breathing problems? Have you experienced seizures, fainting, serious head injuries, significant blood pressure problems, gastrointestinal conditions, or digestive disorders? Yes No If Yes, please specify the condition * 19 Do you have any medical condition that requires regular prescription or over-the-counter medication? Yes No 20 Are you allergic to any medications? Yes No ← Previous Next Step → Step 4 of 6 — Medications & Recent Activities Please answer based on your recent activities. 26 Have you taken any opioid pain medication, including oxycodone, hydrocodone, morphine, codeine, tramadol, or fentanyl, within the last 14 days? Yes No Unsure 27 Have you taken any prescription medication, over-the-counter medication, multivitamins, protein supplements, herbal products, or other dietary supplements within the last 14 days? Yes No 28 Have you donated blood or experienced significant blood loss within the last 56 days? Yes No Unsure 29 Have you followed a special diet, such as a high-protein, liquid, or raw-food diet, within the last 30 days? Yes No ← Previous Next Step → Step 5 of 6 — Female Participants Please answer if applicable. 34 Are you currently pregnant or breastfeeding? Yes No Leave unanswered if this question does not apply to you. ← Previous Next Step → Step 6 of 6 — Study Requirements Complete the final questions and acknowledgment. 38 Can you avoid alcohol and caffeine for at least 48 hours before dosing and during the required study period? Yes No 39 Can you avoid grapefruit and grapefruit-containing products for at least 7 days before dosing and during the required study period? Yes No 40 Can you follow facility restrictions, including avoiding chewing gum, strenuous exercise, and nail coverings that interfere with medical monitoring? Yes No 41 Are you willing to undergo ECGs, laboratory testing, blood draws, and other required safety assessments? Yes No SCREENING APPOINTMENT Preferred Appointment 42. Preferred Screening Date * Preferred Appointment Time * Select a future screening appointment before Friday, October 23, 2026 at 12:00 PM (Houston local time). Appointment requests require confirmation. Electronic Acknowledgment I confirm that the information provided is accurate to the best of my knowledge. I understand this does not guarantee eligibility or enrollment, and I agree to be contacted by the research team. Type Your Full Name as Electronic Acknowledgment * This typed acknowledgment is not a verified digital signature and does not replace clinical-study informed consent. ← Previous Submit My Pre-Screening Form → Leave blank ✓Thank you!Your pre-screening form was submitted. Our research team will review your information.Close