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Haldol/Diphenhydramine Versus Metoclopramide/Diphenhydramine for Treatment of Acute Headache in the Emergency Department: A Randomized Controlled Trial

U

United States Naval Medical Center, Portsmouth

Status and phase

Completed
Phase 4

Conditions

Nausea
Migraine Headaches
Restlessness

Treatments

Drug: Haloperidol
Drug: Diphenhydramine
Drug: Metoclopramide 10mg

Study type

Interventional

Funder types

Other U.S. Federal agency

Identifiers

NCT02098499
NMCP.2012.0008

Details and patient eligibility

About

Haloperidol is known to be a safe alternative medication to control difficult pain, and has been shown effective when compared to placebo for controlling headaches. Investigators hypothesized that the combination of haloperidol and diphenhydramine would be a useful medication choice for migraine headache patients in the emergency department in comparison to a common migraine treatment regimen of metoclopramide and diphenhydramine.

Full description

Investigators conducted a prospective, double-blind, randomized controlled trial in migraine patients who presented to an academic emergency department between June 2013 and November 2013. Research data was derived from an IRB approved protocol. All subjects met IHS migraine criteria and received a one liter bolus of normal saline plus 25 milligrams (mg) of diphenhydramine. Subjects were subsequently randomized to receive 10 mg metoclopramide or 5 mg haloperidol IV. Pain was self-reported at onset and at 20 minute intervals using a 100mm visual analog scale (VAS). Adequate pain control was considered to be patient satisfaction with symptomatic relief. If adequate pain relief was not obtained after 80 minutes, rescue medication was given at the treating physician's discretion. Adverse reactions were recorded and electrocardiograms (ECGs) were obtained before and after study medication administration. Follow up phone surveys were performed 72 hours after discharge to assess headache recurrence, adverse effects, and patient satisfaction.

Enrollment

68 patients

Sex

All

Ages

18 to 50 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

Migraine Headache must contain the following:

  • At least two: Unilateral, Throbbing, Worsening with activity, Moderate to severe pain
  • At least one: Nausea or Vomiting, Photophobia or phonophobia
  • Ages 18-50

Exclusion criteria

  • Hypersensitivity to haloperidol, metoclopramide, and/or diphenydramine
  • History of ischemic heart disease or signs or symptoms of ischemic heart disease
  • History of stroke or transient ischemic attack (TIA)
  • History of peripheral vascular disease
  • History of uncontrolled hypertension with presenting diastolic blood pressure > 100
  • Use of an ergotamine derivatives, triptan, or dopamine-blocking anti-emetic within the past 24 hrs
  • Concurrent administration or within 2 weeks of discontinuing an MAO inhibitor
  • Concurrent management of hemiplegic or basilar migraine or known neurologic disorder
  • Severe hepatic impairment
  • Pregnancy or breastfeeding
  • History of cancer (except non-melanoma skin cancer)
  • Previous involvement in the study
  • Febrile to 100.5 or greater
  • Any indication for further diagnostic evaluation of this headache such as a lumbar puncture or CT scan.
  • Headache differs from their normal headache

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

68 participants in 2 patient groups

Haloperidol and Diphenhydramine
Active Comparator group
Description:
Haloperidol 5mg IV X1 and Diphenhydramine 25mg IV X1
Treatment:
Drug: Diphenhydramine
Drug: Haloperidol
Metoclopramide and Diphenhydramine
Active Comparator group
Description:
Metoclopramide 10mg IV X1 and Diphenhydramine 25mg IV X1
Treatment:
Drug: Metoclopramide 10mg
Drug: Diphenhydramine

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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