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NCT03249558 · ClinicalTrials.gov registry record · Phase 4

Effect of Combined Morphine and Duloxetine on Chronic Pain

A Phase 4 study, sponsored by Massachusetts General Hospital.

Completed
Registry status
Phase 4
Development phase
81
Enrollment target

NCT03249558: Completed Phase 4 study, sponsored by Massachusetts General Hospital.

NCT03249558 is a Phase 4 study that has completed, run by Massachusetts General Hospital. The registered enrollment target is 81 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (84% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

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The verdict

NCT03249558, a Phase 4 study, has completed, sponsored by Massachusetts General Hospital.

COMPLETED
Registry status
Phase 4
Development phase
81 participants
Enrollment target

Study Summary

A double-blind, randomized, and placebo-controlled clinical study examining whether duloxetine, a serotonin and norepinephrine reuptake inhibitor (SNRI), could enhance opioid analgesia and reduce overall opioid use. Positive outcomes will help improve the overall effectiveness of clinical opioid therapy and reduce unnecessary opioid dose escalation.

Primary Outcome

The investigators will compare overall opioid dose (in morphine-equivalent dose in mg) between the morphine/duloxetine group and the morphine/placebo group and compare rescue dose among all three groups. The higher overall opioid dose, the more consumption of opioid.

Interventions

  • DRUG Placebo
  • DRUG Duloxetine
  • DRUG Morphine

Trial Details

FieldValue
Enrollment Target 81 participants
Start Date 2018-03-12
Est. Completion 2022-04-05
Phase Phase 4
Massachusetts General Hospital

2,032 total trials

What the finished NCT03249558 record still lists

NCT03249558 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 81 participants, a relatively small participant target, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (84% lower).

The record links to 0 conditions, and to 3 interventions - of which Placebo is the first listed.

NCT03249558 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03249558 about?

NCT03249558 is a clinical study titled "Effect of Combined Morphine and Duloxetine on Chronic Pain". A double-blind, randomized, and placebo-controlled clinical study examining whether duloxetine, a serotonin and norepinephrine reuptake inhibitor (SNRI), could enhance opioid analgesia and reduce overall opioid use. Positive outcomes will help improve the overall effectiveness of clinical opioid the...

What is the current status of trial NCT03249558?

This trial is currently completed. It is a Phase 4 study. The enrollment target is 81 participants. The study started on 2018-03-12. Estimated completion is 2022-04-05.

What interventions are being tested in trial NCT03249558?

The interventions under investigation include: Placebo (DRUG), Duloxetine (DRUG), Morphine (DRUG).

Who is sponsoring clinical trial NCT03249558?

This trial is sponsored by Massachusetts General Hospital, which has 2,032 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03249558's enrollment target sits among peer trials

81 940th of 2000 higher than 1,055 of 2,000 other Phase 4 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 4 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT03249558, the US trial registry maintained by the National Library of Medicine. NCT03249558 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.