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Ketamine for Pain Control After Severe Traumatic Injury

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ClinicalTrials.gov Identifier: NCT04274361
Recruitment Status : Recruiting
First Posted : February 18, 2020
Last Update Posted : December 16, 2021
Sponsor:
Information provided by (Responsible Party):
Thomas Carver, Medical College of Wisconsin

Tracking Information
First Submitted Date  ICMJE February 14, 2020
First Posted Date  ICMJE February 18, 2020
Last Update Posted Date December 16, 2021
Actual Study Start Date  ICMJE January 4, 2021
Estimated Primary Completion Date December 31, 2024   (Final data collection date for primary outcome measure)
Current Primary Outcome Measures  ICMJE
 (submitted: February 14, 2020)
Cumulative opioid morphine equivalent dose [ Time Frame: The first 24 hours ]
The cumulative OME will be compared within the two groups.
Original Primary Outcome Measures  ICMJE Same as current
Change History
Current Secondary Outcome Measures  ICMJE Not Provided
Original Secondary Outcome Measures  ICMJE Not Provided
Current Other Pre-specified Outcome Measures Not Provided
Original Other Pre-specified Outcome Measures Not Provided
 
Descriptive Information
Brief Title  ICMJE Ketamine for Pain Control After Severe Traumatic Injury
Official Title  ICMJE Ketamine Infusion for Pain Control in Severe Traumatic Injury: A Randomized Controlled Trial
Brief Summary This study evaluates if the early utilization of ketamine infusion therapy among acutely injured adult trauma hospital inpatients with an ISS >15 will decrease the amount of opioid pain medication used as compared with placebo group. Ketamine infusion therapy initiated within 12 hours of hospital arrival will lead to decreased total opiate consumption (standardized to oral morphine equivalent units) in the first 24 and 48 hours compared to controls.
Detailed Description

Traumatically injured hospital inpatients aged 18 - 64 will be enrolled into the study within 12 hours of admission to the hospital. The patients randomized to the experimental arm will receive early ketamine infusion therapy at a rate of 3 mcg/kg/min. All ketamine infusions will be calculated based on ideal body weight (IBW), unless actual body weight is less than ideal. IBW will be calculated for males as 50kg + 2.3*(number of inches above 5 feet) and for women as 45.5kg + 2.3*(number of inches over 5 feet). The 65 patients randomized to the control arm will receive placebo saline solution at a rate equivalent. Time zero will be defined as the time at which the "ketamine / placebo" infusion is begun. For inclusion in the study, initiation of ketamine / placebo infusions must take place within 12 hours of presentation to Froedtert Memorial Lutheran Hospital (FMLH).

Prior to starting the investigational infusion, a single IV push of 50mcg of fentanyl will be administered to any patient with a numeric pain score between 7-10. This is done to achieve more rapid pain control as poor pain control has been shown to lead to higher rates of chronic pain and PTSD.

Patient controlled analgesia will be provided using either morphine or hydromorphone with an initial starting dose of Morphine (1.5mg bolus, 12 min lockout, no continuous rate) or Hydromorphone (0.2mg, 12 min lockout, no continuous rate). Dose or lockout adjustments to the PCA should be done only after first adjusting the Investigational Drug dose. For example, if a patient continues to complain of severe pain (≥6) after 2-4 hours of initiation of the Investigational Drug then the rate of the infusion should be increased (as described below). The adjustments can be initiated by either the RAAPS team or Trauma service. No more than 1 change to PCA or Investigational Drug rate should be performed every 4 hours (ie if PCA was adjusted at midnight, then an adjustment to the Investigational Drug should not be made before 4 am).

At the completion of the 48-hour infusion the inpatient team has the option of transitioning the patient from the PCA to oral pain medications. Additional adjuncts to pain control including epidural or other regional techniques are at the discretion of the primary team but ideally would be delayed until the investigational infusion is completed.

Ketamine infusions will be prepared by the IDS service but will be hung and administered by the inpatient nursing staff. Ketamine infusion therapy will be continued for 48 hours. At 2-4 hours post-infusion the patient's pain will be reassessed. If the NPS is more than 5 the infusion will be increased to 5mcg/kg/min. Following each change in the infusion rate the patient's pain will be reassessed at 2-4 hours and adjustments made accordingly. Maximum infusion rate will be set at 9mcg/kg/min. Conversely, The RAAPS team should be notified if neurologic symptoms (hallucinations, delusions, disturbing dreams, vertigo) are developing and, at the discretion of the RAAPS service, a single dose of lorazepam or midazolam may be utilized. The infusion can be decreased from in 2 mcg/kg/min increments if there are symptoms believed to be related to the infusion that do not respond to benzodiazepines.

Study Type  ICMJE Interventional
Study Phase  ICMJE Not Applicable
Study Design  ICMJE Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Condition  ICMJE
  • Hospital Inpatient Trauma Injury
  • Pain Management
Intervention  ICMJE
  • Drug: Ketamine
    Ketamine infusion
  • Drug: Placebo
    Placebo infusion
Study Arms  ICMJE
  • Experimental: Ketamine arm
    Early ketamine infusion therapy at a rate of 3 mcg/kg/min. All ketamine infusions will be calculated based on ideal body weight (IBW), unless actual body weight is less than ideal. Ketamine infusion therapy will be continued for 48 hours. At 2-4 hours post-infusion the patient's pain will be reassessed. If the NPS is more than 5 the infusion will be increased to 5mcg/kg/min. Following each change in the infusion rate the patient's pain will be reassessed at 2-4 hours and adjustments made accordingly. Maximum infusion rate will be set at 9mcg/kg/min. Conversely, The RAAPS team should be notified if neurologic symptoms (hallucinations, delusions, disturbing dreams, vertigo) are developing and, at the discretion of the RAAPS service, a single dose of lorazepam or midazolam may be utilized. The infusion can be decreased from in 2 mcg/kg/min increments if there are symptoms believed to be related to the infusion that do not respond to benzodiazepines.
    Intervention: Drug: Ketamine
  • Placebo Comparator: Placebo arm
    The 65 patients randomized to the control arm will receive placebo saline solution at a rate equivalent.
    Intervention: Drug: Placebo
Publications * Bertolini F, Robertson L, Bisson JI, Meader N, Churchill R, Ostuzzi G, Stein DJ, Williams T, Barbui C. Early pharmacological interventions for universal prevention of post-traumatic stress disorder (PTSD). Cochrane Database Syst Rev. 2022 Feb 10;2:CD013443. doi: 10.1002/14651858.CD013443.pub2. Review.

*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Recruitment Information
Recruitment Status  ICMJE Recruiting
Estimated Enrollment  ICMJE
 (submitted: February 14, 2020)
130
Original Estimated Enrollment  ICMJE Same as current
Estimated Study Completion Date  ICMJE December 31, 2024
Estimated Primary Completion Date December 31, 2024   (Final data collection date for primary outcome measure)
Eligibility Criteria  ICMJE

Inclusion Criteria:

  • Age 18-64
  • ISS >15
  • Infusion can be started within 12 hrs of arrival to FMLH (time of injury irrelevant)
  • Admitted to Inpatient hospital trauma service (not Ortho/Plastics/Neurosurgery etc)
  • Not going to OR immediately

Exclusion Criteria:

  • Age <18 or >64
  • History of adverse reaction to ketamine therapy
  • Chronic opioid therapy defined as > 3 weeks of >30mg oral morphine equivalents per day
  • Current substance abuse with opioids including prescription and/or heroin
  • Intubation on arrival or need for urgent intubation on arrival
  • GCS <13, significant traumatic brain injury, or suspicion of elevated intracranial pressure resulting in the patient's inability to communicate
  • History of psychosis
  • Active delirium
  • Glaucoma
  • Ischemic heart disease defined as active acute coronary syndrome
  • Severe, poorly controlled hypertension (SBP >200) on more than two readings
  • Aortic Injury requiring HR and BP control
  • Concurrent use of monoamine oxidase inhibitors (MAOIs)
  • Pregnancy
  • Prisoners
  • Inability to start investigational drug infusion within 12 hours of arrival
Sex/Gender  ICMJE
Sexes Eligible for Study: All
Ages  ICMJE 18 Years to 64 Years   (Adult)
Accepts Healthy Volunteers  ICMJE No
Contacts  ICMJE
Contact: Margo Mantz-Wichman, BS, RN 414-955-1751 mmantzwichman@mcw.edu
Contact: Amber Brandolino, MS 414-955-1728 abrandolino@mcw.edu
Listed Location Countries  ICMJE United States
Removed Location Countries  
 
Administrative Information
NCT Number  ICMJE NCT04274361
Other Study ID Numbers  ICMJE PRO#00037017
Has Data Monitoring Committee No
U.S. FDA-regulated Product
Studies a U.S. FDA-regulated Drug Product: No
Studies a U.S. FDA-regulated Device Product: No
Product Manufactured in and Exported from the U.S.: No
IPD Sharing Statement  ICMJE
Plan to Share IPD: No
Current Responsible Party Thomas Carver, Medical College of Wisconsin
Original Responsible Party Same as current
Current Study Sponsor  ICMJE Medical College of Wisconsin
Original Study Sponsor  ICMJE Same as current
Collaborators  ICMJE Not Provided
Investigators  ICMJE
Principal Investigator: Thomas Carver, MD Medical College of WI
PRS Account Medical College of Wisconsin
Verification Date December 2021

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP