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Escalating Ketamine Doses and Pre-emption

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT01070108
First Posted: February 17, 2010
Last Update Posted: February 17, 2010
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by:
Tel-Aviv Sourasky Medical Center
  Purpose
Ketamine affects postoperative pain when administered intravenously immediately before, during or at the end of surgical procedures. We assessed the effects of multiple and escalating doses of ketamine administered many hours before surgery on postoperative pain and analgesia consumption.

Condition Intervention
Postoperative Pain Management Drug: Ketamine Drug: ketamine

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double (Participant, Investigator)
Primary Purpose: Treatment
Official Title: EARLY PREOPERATIVE ESCALATING DOSES OF KETAMINE ATTENUATE POSTOPERATIVE PAIN AND REDUCE MORPHINE CONSUMPTION IN HUMANS

Resource links provided by NLM:


Further study details as provided by Tel-Aviv Sourasky Medical Center:

Primary Outcome Measures:
  • postoperative pain [ Time Frame: 48 hours ]

Secondary Outcome Measures:
  • opioid drug consumption [ Time Frame: 48 hours ]

Enrollment: 120
Study Start Date: January 2007
Study Completion Date: January 2009
Primary Completion Date: January 2009 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Active Comparator: Set 1
group receiving one injection (25 mg) of ketamine (K1) intramuscularly (IM) at 3-4 hours before surgery or placebo (saline 0.9%, NS)
Drug: Ketamine
group receiving one injection (25 mg) of ketamine (K1) intramuscularly (IM) at 3-4 hours before surgery or placebo (saline 0.9%, NS)
Drug: ketamine
ketamine at 11-12 hours (10 mg) and 3-4 hours (25 mg) before surgery (K2), with a corresponding NS group
Drug: ketamine
ketamine injected IM 17-18, 11-12, and 3-4 hours before surgery (5, 10 and 25 mg, respectively) (K3), and the second group received NS
Active Comparator: set 2
2nd set received ketamine at 11-12 hours (10 mg) and 3-4 hours (25 mg) before surgery (K2), with a corresponding NS group
Drug: ketamine
ketamine at 11-12 hours (10 mg) and 3-4 hours (25 mg) before surgery (K2), with a corresponding NS group
Drug: ketamine
ketamine injected IM 17-18, 11-12, and 3-4 hours before surgery (5, 10 and 25 mg, respectively) (K3), and the second group received NS
Active Comparator: set 3
3rd set one group had ketamine injected IM 17-18, 11-12, and 3-4 hours before surgery (5, 10 and 25 mg, respectively) (K3), and the second group received NS
Drug: ketamine
ketamine injected IM 17-18, 11-12, and 3-4 hours before surgery (5, 10 and 25 mg, respectively) (K3), and the second group received NS

  Eligibility

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Ages Eligible for Study:   15 Years to 75 Years   (Child, Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

Consecutive patients, who were scheduled to undergo general or orthopedic oncologic surgery under general anesthesia

Exclusion Criteria:

  1. allergy to opioids, ketamine or non-steroidal anti-inflammatory drugs (NSAIDs)
  2. history of lasting chronic pain or psychiatric disorders or had used opioids or psychotropic drugs of any sort during the past two weeks
  3. soldiers and pregnant women
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01070108


Locations
Israel
Tel Aviv Medical Center
Tel Aviv, Israel
Sponsors and Collaborators
Tel-Aviv Sourasky Medical Center
  More Information

Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: Weinbroum Avraham, Tel Aviv Medical Center
ClinicalTrials.gov Identifier: NCT01070108     History of Changes
Other Study ID Numbers: ketamine
First Submitted: February 16, 2010
First Posted: February 17, 2010
Last Update Posted: February 17, 2010
Last Verified: February 2010

Keywords provided by Tel-Aviv Sourasky Medical Center:
Preemption, ketamine, escalating, dose, pain, analgesia

Additional relevant MeSH terms:
Pain, Postoperative
Pain
Neurologic Manifestations
Nervous System Diseases
Postoperative Complications
Pathologic Processes
Signs and Symptoms
Ketamine
Analgesics
Sensory System Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
Anesthetics, Dissociative
Anesthetics, Intravenous
Anesthetics, General
Anesthetics
Central Nervous System Depressants
Excitatory Amino Acid Antagonists
Excitatory Amino Acid Agents
Neurotransmitter Agents
Molecular Mechanisms of Pharmacological Action