# Evaluation of Pupillometry for cyp2d6 Phenotyping in Children Treated With Tramadol

> **NCT03052218** · NA · TERMINATED · sponsor: **University Hospital, Geneva** · enrollment: 50 (actual)

## Conditions studied

- Drug Intolerance
- Cytochrome P450 CYP2D6 Enzyme Deficiency
- Drug Effect

## Interventions

- **DEVICE:** Pupillometry

## Key facts

- **NCT ID:** NCT03052218
- **Lead sponsor:** University Hospital, Geneva
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2017-03-01
- **Primary completion:** 2022-06-30
- **Final completion:** 2022-06-30
- **Target enrollment:** 50 (ACTUAL)
- **Why stopped:** difficulties in recruitment
- **Last updated:** 2022-11-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03052218

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03052218, "Evaluation of Pupillometry for cyp2d6 Phenotyping in Children Treated With Tramadol". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT03052218. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*