# Precision Medicine in Anesthesia

> **NCT04495452** · — · WITHDRAWN · sponsor: **University of Alabama at Birmingham**

## Conditions studied

- Respiratory Depression

## Interventions

- **DRUG:** Fentanyl Drug Administration

## Key facts

- **NCT ID:** NCT04495452
- **Lead sponsor:** University of Alabama at Birmingham
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** WITHDRAWN
- **Start date:** 2024-06-10
- **Primary completion:** 2025-12-10
- **Final completion:** 2026-09-01
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Study initially halted due to the COVID pandemic because the research ventilator was repurposed for life saving efforts. Due to later clinical demands, the study was able to be restarted.
- **Last updated:** 2025-02-05


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04495452

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04495452, "Precision Medicine in Anesthesia". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT04495452. Licensed CC0.

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