# Assessment of Methadone Dose Taken

> **NCT05981573** · — · RECRUITING · sponsor: **Cari Health Inc.** · enrollment: 30 (estimated)

## Conditions studied

- Methadone Toxicity
- Methadone Overdose
- Pain, Chronic
- Drug Metabolism, Poor, CYP2D6-Related
- Metabolism Medication Toxicity

## Interventions

- **DIAGNOSTIC_TEST:** Measurement of Methadone in the Interstitial Fluid (ISF) before and after prescribed dose taken ex vivo
- **DRUG:** Measurement of Methadone in the Interstitial Fluid before and after prescribed dose taken in vivo
- **DEVICE:** ISF Extraction Device 2

## Key facts

- **NCT ID:** NCT05981573
- **Lead sponsor:** Cari Health Inc.
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2024-08-26
- **Primary completion:** 2026-03
- **Final completion:** 2026-04
- **Target enrollment:** 30 (ESTIMATED)
- **Last updated:** 2025-02-13


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05981573

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05981573, "Assessment of Methadone Dose Taken". Retrieved via AI Analytics 2026-09-08 from https://api.ai-analytics.org/clinical/NCT05981573. Licensed CC0.

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