Testing how genetics affect drug levels with methadone
This early study tests how a person’s genetic makeup may change how fast certain medicines move through the body. It compares drug levels when combined with methadone and tizanidine, aiming to understand safer dosing and effects.
Summary written for real people, not researchers, by Clin2.
Who can take part
- Be age 18 to 65 (men and women allowed).
- Be generally healthy after screening blood/urine tests, vital signs, and an EKG (heartbeat tracing).
- Be willing to avoid smoking and marijuana (or not smoke) starting 2 weeks before and until the study ends.
- Follow strict medication rules: do not take other prescriptions, over-the-counter drugs, or supplements that could affect study medicines for at least 2 weeks and through the study.
- Agree to take part on the study schedule and follow all instructions.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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