- Conditions
- Methadone Toxicity, Methadone Overdose, Pain, Chronic, Drug Metabolism, Poor, CYP2D6-Related, Metabolism Medication Toxicity
- Interventions
- Measurement of Methadone in the Interstitial Fluid (ISF) before and after prescribed dose taken ex vivo, Measurement of Methadone in the Interstitial Fluid before and after prescribed dose taken in vivo, ISF Extraction Device 2
- Diagnostic Test · Drug · Device
- Lead sponsor
- Cari Health Inc.
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Lemon Grove, California
Source: ClinicalTrials.gov public record
Updated Feb 19, 2025 · Synced May 21, 2026, 6:54 PM EDT