# Dosing Intervals of Opioid Medication for Chronic Pain

> **NCT04132011** · PHASE4 · WITHDRAWN · sponsor: **University Health Network, Toronto**

## Conditions studied

- Chronic Pain

## Interventions

- **DRUG:** Extended Release Opioid Formulation, Shortened Intervals
- **DRUG:** Extended Release Opioid Formulation, Standard intervals
- **DRUG:** Placebo oral tablet

## Key facts

- **NCT ID:** NCT04132011
- **Lead sponsor:** University Health Network, Toronto
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2019-05-01
- **Primary completion:** 2020-03-08
- **Final completion:** 2020-03-08
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** No recruitment (Feasibility study).
- **Last updated:** 2020-03-27

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04132011

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04132011, "Dosing Intervals of Opioid Medication for Chronic Pain". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT04132011. Licensed CC0.

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