Pharmacogenomics of Methadone in Spine Fusion Surgery

NCT ID: NCT01677650

Last Updated: 2015-04-22

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

WITHDRAWN

Clinical Phase

PHASE1

Study Classification

INTERVENTIONAL

Study Start Date

2014-03-31

Study Completion Date

2015-01-31

Brief Summary

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The overall objective is to develop a patient oriented research program to efficiently evaluate the effects of pharmacogenetic variants on the dose-response relationships and safety of opioids and non-opioid analgesics. If an opioid regimen can be created that produces excellent opioid analgesia with minimal toxicity related to supratherapeutic opioid concentrations (i.e., ventilatory depression), other non-opioid analgesics (i.e., gabapentin/pregabalin, ketamine, lidocaine, cyclooxygenase inhibitors, etc.) that may decrease preoperative opioid requirements can be more efficiently and safely evaluated. These interventions may limit the opioid related toxicities related to effect site concentrations that are below those required when opioids are the predominant analgesic, such as opioid related ileus. Methadone's slow elimination clearance and limited pharmacokinetic drug-drug interactions make it an attractive perioperative opioid. The first step towards personalized opioid analgesia is to determine the effect of common pharmacogenetic variants that affect either methadone metabolism (CYP2B6) or opioid elimination.

Detailed Description

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This study is being done to find the optimal dose of methadone (a long acting pain medication) that decreases the amount of pain that people have after spine surgery. Five different doses of methadone will be compared to each other, while keeping the remainder of the anesthetic routine for surgery. The investigators will determine the analgesic dose-response of methadone. The investigators will also determine the effect of methadone on the incidence of opioid related side effects, the quality of outcome of recovery, and the change in the 3-month opioid use.

Conditions

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Scoliosis Kyphosis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Methadone 0.5 mg/kg

Methadone 0.5 mg/kg

Group Type ACTIVE_COMPARATOR

Methadone

Intervention Type DRUG

Methadone IV Pre-Induction of Anesthesia 0.15 to 0.5 mg/kg

Methadone 0.4 mg/kg

Methadone 0.4 mg/kg

Group Type EXPERIMENTAL

Methadone

Intervention Type DRUG

Methadone IV Pre-Induction of Anesthesia 0.15 to 0.5 mg/kg

Methadone 0.3 mg/kg

Methadone 0.3 mg/kg

Group Type ACTIVE_COMPARATOR

Methadone

Intervention Type DRUG

Methadone IV Pre-Induction of Anesthesia 0.15 to 0.5 mg/kg

Methadone 0.2 mg/kg

Methadone 0.2 mg/kg

Group Type ACTIVE_COMPARATOR

Methadone

Intervention Type DRUG

Methadone IV Pre-Induction of Anesthesia 0.15 to 0.5 mg/kg

Methadone 0.15 mg/kg

Methadone 0.15 mg/kg

Group Type ACTIVE_COMPARATOR

Methadone

Intervention Type DRUG

Methadone IV Pre-Induction of Anesthesia 0.15 to 0.5 mg/kg

Interventions

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Methadone

Methadone IV Pre-Induction of Anesthesia 0.15 to 0.5 mg/kg

Intervention Type DRUG

Other Intervention Names

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Dolophine

Eligibility Criteria

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Inclusion Criteria

* ASA physical status I, II, and III
* male and non-pregnant female
* English-speaking
* undergoing elective \< 3 vertebral level lumbar spine fusion (with and without interbody fusion)

Exclusion Criteria

* Use of more than the equivalent of 20 mg of IV morphine/24 hr in the past 2 weeks
* 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, history of liver disease)
* pregnancy
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Northwestern University

OTHER

Sponsor Role lead

Responsible Party

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Dhanesh Gupta

Associate Professor of Anesthesiology & Neurological Surgery

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Dhanesh K. Gupta, M.D.

Role: PRINCIPAL_INVESTIGATOR

Northwestern University Feinberg School of Medicine

Locations

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Northwestern Memorial Hospital

Chicago, Illinois, United States

Site Status

Countries

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United States

References

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Rajaee SS, Bae HW, Kanim LE, Delamarter RB. Spinal fusion in the United States: analysis of trends from 1998 to 2008. Spine (Phila Pa 1976). 2012 Jan 1;37(1):67-76. doi: 10.1097/BRS.0b013e31820cccfb.

Reference Type BACKGROUND
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Jadad AR, Browman GP. The WHO analgesic ladder for cancer pain management. Stepping up the quality of its evaluation. JAMA. 1995 Dec 20;274(23):1870-3.

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Gottschalk A, Durieux ME, Nemergut EC. Intraoperative methadone improves postoperative pain control in patients undergoing complex spine surgery. Anesth Analg. 2011 Jan;112(1):218-23. doi: 10.1213/ANE.0b013e3181d8a095. Epub 2010 Apr 24.

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Upton RN, Semple TJ, Macintyre PE. Pharmacokinetic optimisation of opioid treatment in acute pain therapy. Clin Pharmacokinet. 1997 Sep;33(3):225-44. doi: 10.2165/00003088-199733030-00005.

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Taylor S, Kirton OC, Staff I, Kozol RA. Postoperative day one: a high risk period for respiratory events. Am J Surg. 2005 Nov;190(5):752-6. doi: 10.1016/j.amjsurg.2005.07.015.

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Taylor S, Voytovich AE, Kozol RA. Has the pendulum swung too far in postoperative pain control? Am J Surg. 2003 Nov;186(5):472-5. doi: 10.1016/j.amjsurg.2003.07.021.

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Liu N, Kuhlman G, Dalibon N, Moutafis M, Levron JC, Fischler M. A randomized, double-blinded comparison of intrathecal morphine, sufentanil and their combination versus IV morphine patient-controlled analgesia for postthoracotomy pain. Anesth Analg. 2001 Jan;92(1):31-6. doi: 10.1097/00000539-200101000-00007.

Reference Type BACKGROUND
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Joris J, Kaba A, Lamy M. Transition between anesthesia and post-operative analgesia: relevance of intra-operative administration of analgesics. Acta Anaesthesiol Belg. 2001;52(3):271-9.

Reference Type BACKGROUND
PMID: 11732383 (View on PubMed)

Carroll IR, Angst MS, Clark JD. Management of perioperative pain in patients chronically consuming opioids. Reg Anesth Pain Med. 2004 Nov-Dec;29(6):576-91. doi: 10.1016/j.rapm.2004.06.009.

Reference Type BACKGROUND
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Yaksh TL, Hua XY, Kalcheva I, Nozaki-Taguchi N, Marsala M. The spinal biology in humans and animals of pain states generated by persistent small afferent input. Proc Natl Acad Sci U S A. 1999 Jul 6;96(14):7680-6. doi: 10.1073/pnas.96.14.7680.

Reference Type BACKGROUND
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Parker RK, Holtmann B, White PF. Effects of a nighttime opioid infusion with PCA therapy on patient comfort and analgesic requirements after abdominal hysterectomy. Anesthesiology. 1992 Mar;76(3):362-7. doi: 10.1097/00000542-199203000-00007.

Reference Type BACKGROUND
PMID: 1539846 (View on PubMed)

Gourlay GK, Wilson PR, Glynn CJ. Pharmacodynamics and pharmacokinetics of methadone during the perioperative period. Anesthesiology. 1982 Dec;57(6):458-67. doi: 10.1097/00000542-198212000-00005. No abstract available.

Reference Type BACKGROUND
PMID: 6128949 (View on PubMed)

Chui PT, Gin T. A double-blind randomised trial comparing postoperative analgesia after perioperative loading doses of methadone or morphine. Anaesth Intensive Care. 1992 Feb;20(1):46-51. doi: 10.1177/0310057X9202000109.

Reference Type BACKGROUND
PMID: 1609941 (View on PubMed)

van Dorp EL, Kest B, Kowalczyk WJ, Morariu AM, Waxman AR, Arout CA, Dahan A, Sarton EY. Morphine-6beta-glucuronide rapidly increases pain sensitivity independently of opioid receptor activity in mice and humans. Anesthesiology. 2009 Jun;110(6):1356-63. doi: 10.1097/ALN.0b013e3181a105de.

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PMID: 19461298 (View on PubMed)

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Lemmens HJ, Brodsky JB, Bernstein DP. Estimating ideal body weight--a new formula. Obes Surg. 2005 Aug;15(7):1082-3. doi: 10.1381/0960892054621350.

Reference Type BACKGROUND
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Bowdle TA, Even A, Shen DD, Swardstrom M. Methadone for the induction of anesthesia: plasma histamine concentration, arterial blood pressure, and heart rate. Anesth Analg. 2004 Jun;98(6):1692-1697. doi: 10.1213/01.ANE.0000114085.20751.20.

Reference Type BACKGROUND
PMID: 15155330 (View on PubMed)

Chernik DA, Gillings D, Laine H, Hendler J, Silver JM, Davidson AB, Schwam EM, Siegel JL. Validity and reliability of the Observer's Assessment of Alertness/Sedation Scale: study with intravenous midazolam. J Clin Psychopharmacol. 1990 Aug;10(4):244-51.

Reference Type BACKGROUND
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Apfelbaum JL, Gan TJ, Zhao S, Hanna DB, Chen C. Reliability and validity of the perioperative opioid-related symptom distress scale. Anesth Analg. 2004 Sep;99(3):699-709. doi: 10.1213/01.ANE.0000133143.60584.38.

Reference Type BACKGROUND
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Myles PS, Hunt JO, Fletcher H. Measuring health status (quality of recovery?) after anesthesia and surgery. Anesth Analg. 2001 Jan;92(1):281. doi: 10.1097/00000539-200101000-00062. No abstract available.

Reference Type BACKGROUND
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Myles PS, Hunt JO, Nightingale CE, Fletcher H, Beh T, Tanil D, Nagy A, Rubinstein A, Ponsford JL. Development and psychometric testing of a quality of recovery score after general anesthesia and surgery in adults. Anesth Analg. 1999 Jan;88(1):83-90. doi: 10.1097/00000539-199901000-00016.

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Chou WY, Wang CH, Liu PH, Liu CC, Tseng CC, Jawan B. Human opioid receptor A118G polymorphism affects intravenous patient-controlled analgesia morphine consumption after total abdominal hysterectomy. Anesthesiology. 2006 Aug;105(2):334-7. doi: 10.1097/00000542-200608000-00016.

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PMID: 16871067 (View on PubMed)

Romberg RR, Olofsen E, Bijl H, Taschner PE, Teppema LJ, Sarton EY, van Kleef JW, Dahan A. Polymorphism of mu-opioid receptor gene (OPRM1:c.118A>G) does not protect against opioid-induced respiratory depression despite reduced analgesic response. Anesthesiology. 2005 Mar;102(3):522-30. doi: 10.1097/00000542-200503000-00008.

Reference Type BACKGROUND
PMID: 15731588 (View on PubMed)

Other Identifiers

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STU00064915

Identifier Type: -

Identifier Source: org_study_id

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