# Efficacy of Injectable Fentanyl in Sublingual Route Versus Oral Morphine Syrup for Breakthrough Pain

> **NCT05037539** · PHASE1,PHASE2 · COMPLETED · sponsor: **Department of Medical Services Ministry of Public Health of Thailand** · enrollment: 20 (actual)

## Conditions studied

- Pain, Breakthrough

## Interventions

- **DRUG:** Fentanyl Citrate 50Mcg/Ml Inj_#1
- **DRUG:** Morphine

## Key facts

- **NCT ID:** NCT05037539
- **Lead sponsor:** Department of Medical Services Ministry of Public Health of Thailand
- **Sponsor class:** OTHER_GOV
- **Phase:** PHASE1,PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-06-15
- **Primary completion:** 2021-12-30
- **Final completion:** 2022-06-30
- **Target enrollment:** 20 (ACTUAL)
- **Last updated:** 2022-08-31


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05037539

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05037539, "Efficacy of Injectable Fentanyl in Sublingual Route Versus Oral Morphine Syrup for Breakthrough Pain". Retrieved via AI Analytics 2026-07-29 from https://api.ai-analytics.org/clinical/NCT05037539. Licensed CC0.

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