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Ketamine and Morphine Versus Morphine Alone for the Treatment of Acute Pain in the Emergency Department

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University of Arizona

Status

Terminated

Conditions

Acute Pain

Treatments

Drug: Ketamine
Drug: Morphine
Drug: placebo

Study type

Interventional

Funder types

Other

Identifiers

NCT01900847
13-0045

Details and patient eligibility

About

Our goal is to study whether giving people low dose ketamine along with morphine when they come to the Emergency Department will help their pain more than giving morphine by itself. There have been many studies showing that low dose ketamine is safe and effective for pain control. Ketamine is frequently used for pain control in ambulances and helicopters transporting injured patients to the hospital and has also been used for pain control in people who have just had surgery. The investigators would like to see if low dose ketamine would be safe and effective for patients with pain in the Emergency Department.

Patients are eligible for the study if they come to the Emergency Department and their treating physician decides to treat them with morphine (with certain exceptions such as pregnant patients and patients with eye injuries). They will be given information about participating in the study and if they agree, they will be given the study drug. The study drug will be either ketamine or salt water (saline). If patients continue to be in pain they will continue to receive doses of morphine just as they would if they were not in the study. If the treating physician feels that morphine alone is not enough, they will be free to choose another pain medication as they would normally.

Enrollment

17 patients

Sex

All

Ages

18 to 100 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Presenting to Emergency Department in acute pain
  • age 18 and over
  • determined to require morphine for pain control by treating physician

Exclusion criteria

  • Patients presenting with headache or head injury
  • Patient with eye injury or eye pain
  • Nontraumatic chest Pain
  • Pregnant patients or women of childbearing potential
  • Patients allergic to morphine or ketamine
  • Patients with known history of narcotic/alcohol abuse or presenting for narcotic medication refill
  • Patients with hypertension: diastolic blood pressure > 100 OR systolic blood pressure > 180
  • Patient whose pain is so severe that they are unable to give informed consent
  • Patients who have had bad experiences to prior hallucinations from any origin

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

17 participants in 2 patient groups

Morphine and placebo
Active Comparator group
Description:
Patient's will receive morphine during the usual course of their emergency department care and will receive a saline in a volume equivalent to the ketamine administered in the experimental arm of the stuy
Treatment:
Drug: placebo
Drug: Morphine
Morphine and Ketamine
Experimental group
Description:
Patient's will receive a 0.3mg/kg dose of ketamine in addition to morphine given in the usual course of emergency department care
Treatment:
Drug: Ketamine
Drug: Morphine

Trial contacts and locations

1

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Central trial contact

Matthew Berkman, MD

Data sourced from clinicaltrials.gov

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