# Study of the in Vivo Expression of MU Opioid Receptors Using PET and the Selective Tracer [C-11] Carfentanil in Normal Weight and Obese Subjects

> **NCT06180200** · — · COMPLETED · sponsor: **IRCCS San Raffaele** · enrollment: 16 (actual)

## Conditions studied

- Nuclear Medicine

## Interventions

- **DIAGNOSTIC_TEST:** PET for the analysis of mu opioid receptor expression.

## Key facts

- **NCT ID:** NCT06180200
- **Lead sponsor:** IRCCS San Raffaele
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2004-10-22
- **Primary completion:** 2007-12-01
- **Final completion:** 2007-12-01
- **Target enrollment:** 16 (ACTUAL)
- **Last updated:** 2024-03-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06180200

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06180200, "Study of the in Vivo Expression of MU Opioid Receptors Using PET and the Selective Tracer [C-11] Carfentanil in Normal Weight and Obese Subjects". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT06180200. Licensed CC0.

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