Intravenous Acetaminophen in Craniotomy
The Opioid-Sparing and Analgesic Effects of IV Acetaminophen in Craniotomy: A Prospective, Randomized, Placebo-Controlled, Double-Blind Study
1 other identifier
interventional
100
1 country
1
Brief Summary
The purpose of this study is to assess the use of intravenous Acetaminophen (OFIRMEV) as an effective adjunct therapeutic agent in patients undergoing craniotomy.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_4 postoperative-pain
Started May 2012
Longer than P75 for phase_4 postoperative-pain
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
May 2, 2012
CompletedFirst Submitted
Initial submission to the registry
May 9, 2012
CompletedFirst Posted
Study publicly available on registry
May 15, 2012
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 30, 2016
CompletedStudy Completion
Last participant's last visit for all outcomes
March 30, 2016
CompletedResults Posted
Study results publicly available
June 19, 2018
CompletedJune 19, 2018
May 1, 2018
3.9 years
May 9, 2012
February 28, 2017
May 21, 2018
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Post-Operative Opioid Requirement
Opioid Consumption will be monitored in the first 24 post-operative hours. All non-opioid analgesics are disallowed. Total opioid consumption was calculated based on morphine equivalents (MEs), where 1 mg of IV morphine was equivalent to 1 ME, and 1 mg IV hydromorphone was calculated as 7 MEs.
24 hours post-operatively
Secondary Outcomes (4)
Post-Operative Pain
24 Hours Post-Operatively
Post-Operative Side Effects
24 Hours Post-Operatively
Time to Extubation at Emergence From Anesthesia
Time from of discontinuation of anesthetic to time of extubation, an average of 7 minutes
Time for Patient to Meet Post-anesthesia Care Unit (PACU) Discharge Criteria
From time of entry to PACU to time to meet PACU discharge criteria, an average of 12 minutes
Study Arms (2)
Intravenous Acetaminophen
EXPERIMENTALPatients will be receive doses of 1000 mg/100 mL of IV Acetaminophen (OFIRMEV). The drug will be infused over 15 minutes.
Placebo
PLACEBO COMPARATORPatients will be given 100 mL normal saline placebos at scheduled time intervals in place of IV acetaminophen.
Interventions
Intravenous Acetaminophen, 1000 mg/100mL, Every 6 hours, Infused over 15 minutes.
Eligibility Criteria
You may qualify if:
- Adults
- Undergoing Craniotomy for Supratentorial Tumor Resection
- Weight between 50 and 120 kilograms
- ASA Physical Status I-III
- Be able to communicate verbally
- Be able to use Visual Analog Score
You may not qualify if:
- Allergies to acetaminophen, morphine or any of the anesthetic agents required by the protocol.
- Use of opioids, tramadol, benzodiazepines, or gabapentin on a daily basis for \> 7 days prior to the day of surgery.
- Use of acetaminophen, NSAIDs, or any other analgesic medication in the 12 hours immediately prior to study enrollment.
- Hepatic insufficiency (elevated transaminases \> 1.5 times the upper limit of normal) or renal insufficiency (plasma creatinine \> 2mg/dl).
- Known or suspected history of alcohol or illicit drug abuse.
- Pregnant or breast-feeding.
- Surgical plan for infratentorial (suboccipital) craniotomy.
- Plan for neurophysiologic monitoring that precludes the use of neuromuscular blockade.
- Inability to communicate due to a language barrier, impaired consciousness, cognitive defect or intellectual disability.
- Uncontrolled Hypertension
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Memorial Hermann Hospital - Texas Medical Center
Houston, Texas, 77030, United States
Related Publications (1)
Artime CA, Aijazi H, Zhang H, Syed T, Cai C, Gumbert SD, Ferrario L, Normand KC, Williams GW, Hagberg CA. Scheduled Intravenous Acetaminophen Improves Patient Satisfaction With Postcraniotomy Pain Management: A Prospective, Randomized, Placebo-controlled, Double-blind Study. J Neurosurg Anesthesiol. 2018 Jul;30(3):231-236. doi: 10.1097/ANA.0000000000000461.
PMID: 29117012RESULT
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Limitations and Caveats
Not powered to detect differences in pain score. Patients were not given a patient-controlled analgesia device; rather, administration of morphine was dependent on nurse administration.
Results Point of Contact
- Title
- Carlos Artime, MD
- Organization
- University of Texas Health Science Center at Houston
Study Officials
- PRINCIPAL INVESTIGATOR
Carlos A. Artime, MD
University of Texas Health Sciences Center at Houston
- PRINCIPAL INVESTIGATOR
Sam D. Gumbert, MD
University of Texas Health Sciences Center at Houston
Publication Agreements
- PI is Sponsor Employee
- Yes
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- SUPPORTIVE CARE
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Assistant Professor - Anesthesiology
Study Record Dates
First Submitted
May 9, 2012
First Posted
May 15, 2012
Study Start
May 2, 2012
Primary Completion
March 30, 2016
Study Completion
March 30, 2016
Last Updated
June 19, 2018
Results First Posted
June 19, 2018
Record last verified: 2018-05