Healthy Volunteers Needed for Clinical Research.
Participate in Medical Research — Compensation Up to $2,200
Healthy, non-smoking adults aged 18–65 are invited to learn about a clinical research study in Houston, Texas, comparing two extended-release formulations of oxycodone under medical supervision.
The study involves two separate facility stays of at least 49 hours each, with medical monitoring and scheduled health assessments.
Participation is voluntary. Eligibility and compensation are subject to study requirements.
Who Can Qualify?
We're looking for healthy, non-smoking adults in Houston to participate in this clinical research study. You may be eligible if you meet the following requirements.
Age Requirement
Between 18 and 65 years old at the time of screening.
Good General Health
In good overall health, without significant ongoing medical conditions.
Non-Smoker
No cigarettes, vaping products or other nicotine-containing products within the last 6 months.
BMI Requirement
Have a Body Mass Index (BMI) between 18.5 and 30.
Medication Requirements
Meet study restrictions on prescription medicines, over-the-counter products, vitamins and supplements.
Study Availability
Able to complete two separate facility stays of at least 49 hours each.
Additional medical and laboratory screening requirements apply. Please do not stop or change prescribed medications or supplements without consulting your healthcare provider.
Study Schedule
This clinical research study includes two separate facility stays. During each period, participants receive study medication under medical supervision and complete scheduled health assessments.
First Study Period
Participants arrive at our Houston clinical research facility on Friday, October 23, 2026, to begin their first study period.
What Happens During This Stay?
- Check-in and required pre-dose assessments.
- Study medication administered under medical supervision.
- Blood samples collected at scheduled intervals.
- Vital signs and general health monitoring.
- Meals, rest periods and activities follow study requirements.
Second Study Period
Participants return to the clinical research facility for the second study period after the required interval between study doses.
What Happens During This Stay?
- Complete required pre-dose assessments.
- Receive the second study medication under supervision.
- Provide blood samples at scheduled intervals.
- Undergo ongoing medical and safety monitoring.
- Remain at the facility for at least another 49 hours.
Swipe to explore both study periods
Important Scheduling Information
There must be a minimum of seven days between the two oxycodone doses. The study coordinator will confirm the exact admission and discharge dates. Departure after each period depends on the actual check-in time, dosing schedule, medical assessments and discharge approval. Participants are discharged after completing required study procedures and receiving medical clearance.
Ready to Take the Next Step?
Check your eligibility for the upcoming healthy volunteer clinical research study.
What Happens During Your Stay?
Our clinical research team will guide you through the study procedures and explain what to expect during your participation.
Medical Monitoring Throughout Your Stay
Houston, Texas
Two separate study periods are required.
Study Medication
Participants receive extended-release oxycodone study medications as part of a comparative bioavailability study. Naltrexone is also administered according to the study protocol to help block opioid effects.
Medical Monitoring
Qualified healthcare professionals monitor participants throughout the required study procedures and facility stays.
Blood Sample Collection
Blood samples are collected at scheduled intervals to help researchers measure medication levels in the bloodstream.
Meals & Facility Requirements
Participants follow study-specific instructions regarding food, water, medications, rest periods and other activities.
Safety Assessments
The research team conducts scheduled health assessments and monitors participants for possible side effects throughout the study.
Know What to Expect Before You Enroll.
The medical research team will explain the study procedures, medications, possible risks and safety precautions before you decide whether to participate.
Ready to Participate?
Choose whichever option is most convenient for you. Request a call from our team or complete the full pre-screening questionnaire online.
Contact Our Team
Complete the form below, and our team will contact you at your preferred time.
📞 Need Help? Call Us: +18329792393Requesting a call does not enroll you in the study or guarantee eligibility.
Let's Check Your Eligibility
Complete the six steps below. Your information will be reviewed by our clinical research team.
📞 Need Help? Call Us: +18329792393Submitting this questionnaire does not guarantee eligibility or enrollment. Final eligibility requires review by the qualified clinical research team.