This study is evaluating a new fingerprint drug screening system to see how accurately it can detect codeine in sweat. Researchers will compare the results from this system to other methods. You may be able to join if you are a healthy adult between 18 and 65 years old, weigh at least 60 kg, and have a body mass index (BMI) between 18 and 32. The study aims to measure how sensitive, specific, and accurate the fingerprint system is at detecting codeine within 24 hours. The current status of this study is unclear.

Study design

This is an observational study that will enroll 144 healthy adults, including 9 "operators" and 135 "donors," across multiple sites. Some "donors" will be randomly assigned to receive a 60 mg dose of codeine, while others will not.

What's involved

If you are a "donor," your participation will last approximately one to eight hours, or up to three days with an overnight stay at one site. If you are an "operator," you will be at the clinic for about three days.

Compensation

Not stated in the trial record.

Follow-up

The primary measurements for sensitivity, specificity, and accuracy will be taken at 24 hours after dosing.

AI-generated from the public study record. Only the study team can confirm whether you're eligible — confirm details with them before making decisions.