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A Trial Comparing Different Dosing Regimens of Morphine in Patients With Moderate to Severe Pain

2014-07-23 21:46:09 | BioPortfolio

Summary

RESEARCH QUESTION: In adult ED patients in whom the attending ED physician has decided to administer intravenous opiates, what is the difference in pain relief at 60 minutes in patients who are randomized to receive either weight-based IV morphine 0.1mg/kg or weight-based IV morphine 0.15 mg/kg?

HYPOTHESIS: In adult ED patients who receive IV morphine at a dose of 0.15/mg, more patients will report moderate to complete pain relief than patients receiving a dose of 0.1 mg/kg.

SIGNIFICANCE: If it is shown that morphine 0.15 mg/kg gives better pain relief to patients with comparable side effects when compared with morphine at a dose of 0.1 mg/kg, then we may be able to provide evidence to suggest that the higher dose should be used for adult ED patients under the age of 66 presenting with acute pain.

Description

RESEARCH QUESTION: In adult ED patients in whom the attending ED physician has decided to administer intravenous opiates, what is the between-group difference in before-after improvement in pain relief at 60 minutes in patients who are randomized to receive either weight-based IV morphine 0.1mg/kg or weight-based IV morphine 0.15 mg/kg?

HYPOTHESIS: In adult ED patients who receive IV morphine at a dose of 0.15/mg, more patients will report moderate to complete pain relief than patients receiving a dose of 0.1 mg/kg.

SIGNIFICANCE: If it is shown that morphine 0.15 mg/kg gives better pain relief to patients with comparable side effects when compared with morphine at a dose of 0.1 mg/kg, then we may be able to provide evidence to suggest that the higher dose should be used for adult ED patients under the age of 66 presenting with acute pain.

METHODS/DESIGN: Prospective, double blind, randomized clinical trial. Adult ED patients between the ages of 18 and 65 years of age in whom the attending ED physician has decided to administer parenteral opiates, will be randomized to receive either 0.1 mg/kg IV morphine (maximum dose of 10 mg) or 0.15mg/kg IV morphine (maximum dose of 15 mg). An on-line random plan generator (http://www.randomization.com) will be used to generate an allocation schedule. The allocation schedule will be fully documented with the reference citation of the pseudo-random number generator, the seed used to start the generation process, the number of treatments (2), the allocation ratio (1:1), the size and number of blocks, and a copy of the assignment list. The allocation schedule will be given to the Montefiore Department of Pharmacy where it will be used to determine the content of consecutively numbered vials with either the study doses of morphine. The Pharmacy Department will prepare and handle the vials in accordance with known stability data and labeled with expiration dates. They will provide the study with labeled packages containing the numbered vial, a label with the vial number to be attached to the patient’s data collection instrument, an opaque envelope with the assignment group identified (to be used in the event of a clinical emergency that requires immediate determination of what the patient received) and a weight based dosing schedule for morphine. All patients will receive a bolus of morphine 0.1mg/kg at time 0. At 30 minutes, patients will receive the study drug which will contain either an additional 0.05mg/kg of morphine or placebo. After the initial morphine bolus and study drug, patients will have received either morphine 0.1 mg/kg (maximum of 10 mg) or 0.15 mg/kg (maximum of 15mg).

Study Design

Allocation: Randomized, Control: Dose Comparison, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double-Blind, Primary Purpose: Treatment

Conditions

Pain

Intervention

Morphine 0.1mg/kg versus morphine 0.15 mg/kg

Location

Montefiore Medical Center Emergency Department
Bronx
New York
United States
10467

Status

Completed

Source

Montefiore Medical Center

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-07-23T21:46:09-0400

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