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Escalating Ketamine Doses and Pre-emption

Not Applicable
Completed
Conditions
Postoperative Pain Management
Interventions
Registration Number
NCT01070108
Lead Sponsor
Tel-Aviv Sourasky Medical Center
Brief Summary

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.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
120
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

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Set 1ketaminegroup receiving one injection (25 mg) of ketamine (K1) intramuscularly (IM) at 3-4 hours before surgery or placebo (saline 0.9%, NS)
set 2ketamine2nd set received ketamine at 11-12 hours (10 mg) and 3-4 hours (25 mg) before surgery (K2), with a corresponding NS group
set 3ketamine3rd 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
Primary Outcome Measures
NameTimeMethod
postoperative pain48 hours
Secondary Outcome Measures
NameTimeMethod
opioid drug consumption48 hours

Trial Locations

Locations (1)

Tel Aviv Medical Center

🇮🇱

Tel Aviv, Israel

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