Methadone Versus Placebo in Spine Fusion
This study is enrolling participants by invitation only.
Sponsor:
Northwestern University
Collaborator:
Feinberg School of Medicine, Northwestern University
Information provided by (Responsible Party):
Dhanesh Gupta, Northwestern University
ClinicalTrials.gov Identifier:
NCT01125059
First received: May 11, 2010
Last updated: February 14, 2012
Last verified: February 2012
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Purpose
- Research Question: What is the influence of methadone on postoperative analgesia after lumbar interbody fusion in opioid naïve patients or patients who are taking less than equivalent of 15 mg IV morphine each day? What is the incidence of opioid related postoperative side effects after the administration of methadone in the operating room?
- Hypothesis: (1) We hypothesize that 0.2 mg/kg of methadone will result in decreased postoperative hydromorphone consumption compared to hydromorphone alone in opioid naïve patients or patients who are taking less than the equivalent of 15 mg IV morphine a day undergoing lumbar interbody fusion. (2) We hypothesize that the incidence of opioid related postoperative side effects will not be increased by the administration of methadone in the operating room.
| Condition | Intervention |
|---|---|
|
Postoperative Pain |
Drug: Methadone Drug: Saline |
| Study Type: | Interventional |
| Study Design: | Allocation: Randomized Endpoint Classification: Safety/Efficacy Study Intervention Model: Single Group Assignment Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor) Primary Purpose: Treatment |
| Official Title: | The Effect of Methadone on Perioperative Analgesia After Posterior Lumbar Fusion - A Randomized, Placebo-controlled, Double-blinded Study |
Resource links provided by NLM:
Further study details as provided by Northwestern University:
Primary Outcome Measures:
- Hydromorphone postoperative opioid consumption (POC) at 48 hours [ Time Frame: 48 hrs ] [ Designated as safety issue: No ]PCA opioid consumption during the initial postoperative 48 hours after arriving in the PACU
Secondary Outcome Measures:
- Intraoperative remifentanil consumption [ Time Frame: the 8 hours prior to arrival in the recovery room ] [ Designated as safety issue: No ]intraoperative consumption of remifentanil--the amount of remifentanil used in the OR (i.e., the 2-8 hours prior to arrival in the recovery room)
- pain at rest and with movement (numerical Rating Scale, NRS) [ Time Frame: 1 hr, 6 hrs, 12 hrs, 24 hrs, 36 hrs, 48 hrs ] [ Designated as safety issue: No ]
- the level of sedation (modified Observer's Assessment of Alertness and Sedation Scale, modified OAA/S scale) [ Time Frame: 1 hr, 6 hrs, 12 hrs, 24 hrs, 36 hrs, 48 hrs ] [ Designated as safety issue: Yes ]
- the number of occurrences of ventilatory depression during each evaluation interval [ Time Frame: 1 hr, 6 hrs, 12 hrs, 24 hrs, 36 hrs, 48 hrs ] [ Designated as safety issue: Yes ]
- number of occurrences of nausea (resulting in treatment) [ Time Frame: 1 hr, 6 hrs, 12 hrs, 24 hrs, 36 hrs, 48 hrs ] [ Designated as safety issue: No ]
- recorded emesis [ Time Frame: 1 hr, 6 hrs, 12 hrs, 24 hrs, 36 hrs, 48 hrs ] [ Designated as safety issue: No ]
- occurrence of pruritus [ Time Frame: 1 hr, 6 hrs, 12 hrs, 24 hrs, 36 hrs, 48 hrs ] [ Designated as safety issue: No ]
- Hydromorphone postoperative opioid consumption (POC) [ Time Frame: 1 hr, 6 hrs, 12 hrs, 24 hrs, 36 hrs ] [ Designated as safety issue: No ]PCA opioid consumption at postoperative 1 hr, 6 hrs, 12 hrs, 24 hrs, 36 hrs after arriving in the PACU
| Estimated Enrollment: | 80 |
| Study Start Date: | May 2010 |
| Estimated Study Completion Date: | December 2012 |
| Estimated Primary Completion Date: | December 2012 (Final data collection date for primary outcome measure) |
| Arms | Assigned Interventions |
|---|---|
| Active Comparator: Methadone Group |
Drug: Methadone
0.2 mg/kg methadone IV bolus
|
| Placebo Comparator: Placebo Group |
Drug: Saline
3 mL saline IV bolus
|
Eligibility| Ages Eligible for Study: | 18 Years to 75 Years |
| Genders Eligible for Study: | Both |
| Accepts Healthy Volunteers: | No |
Criteria
Inclusion Criteria:
- ASA physical status I, II, and III, male and non-pregnant female
- English-speaking patients
- Ages 18-75 years
- Undergoing elective one or two level posterior lumbar interbody fusion
Exclusion Criteria:
- Use of more than the equivalent of 15 mg of IV morphine/24 hr in the past 2 weeks.
- Use of drugs within the past 6 months that effect the pharmacokinetics or pharmacodynamics of opioids (i.e., benzodiazepines, anti-retroviral agents, rifampin, ketoconazole, erythromycin, or phenytoin).
- history of substance abuse at any time in the past
- known QT prolongation
- Non-elective operations (i.e., cancer or trauma)
- severe hepatic impairment (serum albumin < 3.0 g/dL in the presence of a history of liver disease)
- pregnancy
- inability to operate a patient-controlled analgesia device
Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT01125059
Locations
| United States, Illinois | |
| Northwestern Memorial Hospital | |
| Chicago, Illinois, United States, 60611 | |
Sponsors and Collaborators
Northwestern University
Feinberg School of Medicine, Northwestern University
Investigators
| Principal Investigator: | Dhanesh K Gupta, M.D. | Northwestern University Feinberg School of Medicine |
More Information
Publications:
| Responsible Party: | Dhanesh Gupta, Associate Professor of Anesthesiology & Neurological Surgery, Northwestern University |
| ClinicalTrials.gov Identifier: | NCT01125059 History of Changes |
| Other Study ID Numbers: | STU00027431 |
| Study First Received: | May 11, 2010 |
| Last Updated: | February 14, 2012 |
| Health Authority: | United States: Institutional Review Board |
Keywords provided by Northwestern University:
|
hydromorphone lumbar posterior spinal fusion lumbosacral spondylosis Spinal Fusion |
Additional relevant MeSH terms:
|
Pain, Postoperative Postoperative Complications Pathologic Processes Pain Signs and Symptoms Methadone Analgesics, Opioid Analgesics Sensory System Agents |
Peripheral Nervous System Agents Physiological Effects of Drugs Pharmacologic Actions Central Nervous System Agents Therapeutic Uses Central Nervous System Depressants Antitussive Agents Respiratory System Agents Narcotics |
ClinicalTrials.gov processed this record on May 23, 2013