# Inflammatory Response to Opioid Versus Opioid Free Anesthesia

> **NCT04854252** · NA · COMPLETED · sponsor: **University of Guadalajara** · enrollment: 40 (actual)

## Conditions studied

- Morbid Obesity
- Opioid Use
- Fentanyl Adverse Reaction
- Cytokine Storm

## Interventions

- **DRUG:** Fentanyl

## Key facts

- **NCT ID:** NCT04854252
- **Lead sponsor:** University of Guadalajara
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-11-12
- **Primary completion:** 2021-03-29
- **Final completion:** 2021-03-29
- **Target enrollment:** 40 (ACTUAL)
- **Last updated:** 2021-04-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04854252

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04854252, "Inflammatory Response to Opioid Versus Opioid Free Anesthesia". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT04854252. Licensed CC0.

---

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