Propofol vs. Midazolam-based Balanced Propofol for Nonanesthesiologist Moderate Sedation in Colonoscopy
NCT ID: NCT01428882
Last Updated: 2016-05-25
Study Results
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View full resultsBasic Information
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COMPLETED
PHASE4
135 participants
INTERVENTIONAL
2011-06-30
2011-12-31
Brief Summary
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Up to date, no study has addressed a head-to-head comparison of both regimens administered by non-anesthesiologists and titrated to moderate sedation.
This study aims to evaluate the impact on propofol sedation of premedication with a fixed dose of midazolam (2 mg)2 minutes before propofol administration targeted to moderate sedation, in terms of depth of sedation, recovery times, safety and satisfaction.
The onset of sedative action of midazolam has been reported to be 1-2.5 minutes and the peak effect of midazolam occurs 8-12 minutes. Taking into account that colonoscopy usually lasts a minimum of 15-20 minutes, our hypothesis is that synergy between propofol and midazolam may increase the depth of sedation through the initial phases of the procedure, diminishing propofol requirements, but not prolonging significantly recovery times.
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Detailed Description
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Nonanesthesiologist administration of propofol is controversial owing to deep sedation concerns. One of the latest therapeutic innovations on this issue has been the development of balanced propofol sedation, which consists of adding low doses of opioids or benzodiazepins. Several studies have recently demonstrated that BPS allows successfully moderate sedation, maintains a reversible drug component, reduces the total dose of propofol even by more than 50% without increasing adverse events and maintains high levels of physician and patient satisfaction, even for advanced endoscopic procedure. However, recovery may be prolonged by using midazolam or meperidine as they have a longer elimination half-life than propofol has.
Up to date, nonanesthesiologist administration of propofol and BPS, using either midazolam or fentanyl, for outpatient colonoscopy have been compared in a single non-placebo controlled randomized trial (VanNatta and Rex, 2006). In this study, the authors obtained shorter recovery times with BPS compared to propofol alone, in contrast with the expected on account of pharmacokinetics. These results can be easily understood yet single-agent propofol was titrated to deep sedation, whereas BPS was titrated to moderate sedation.
Therefore, it is necessary to make a randomized, double-blinded, placebo-controlled trial to directly compare both sedation regimens targeted to a similar moderate level of sedation. The results of this study will conclude which should be the first line treatment for moderate sedation in colonoscopy, providing further insight in drug synergy and its impact on the depth of sedation and recovery times
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
DOUBLE
Study Groups
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Midazolam balanced propofol sedation
2 mg midazolam in 2 ml saline midazolam followed by continuous propofol iv infusion
Midazolam
Midazolam (5 mg/5 mL) 2 mg before standard propofol induction (0.5-1.5 mg/Kg) and boluses-based sedation during colonoscopy, targeted to a moderate sedation level
Single-agent propofol sedation
2 ml saline followed by continuous propofol iv infusion
Propofol
Placebo (normal saline 2 ml) before standard propofol induction (0.5-1.5 mg/Kg) and boluses-based sedation during colonoscopy, targeted to a moderate sedation level
Interventions
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Midazolam
Midazolam (5 mg/5 mL) 2 mg before standard propofol induction (0.5-1.5 mg/Kg) and boluses-based sedation during colonoscopy, targeted to a moderate sedation level
Propofol
Placebo (normal saline 2 ml) before standard propofol induction (0.5-1.5 mg/Kg) and boluses-based sedation during colonoscopy, targeted to a moderate sedation level
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
* Allergy to propofol, soybeans, eggs or midazolam
* Chronic intake of benzodiazepines
* History of colorectal surgery
* ASA class IV, short and tick neck, difficult intubation due to inability to open the mouth widely
* Pregnancy
* Refusal, inability or unwillingness to give written consent
* Patients scheduled for advanced therapeutic colonoscopy or for more than one endoscopic procedure
18 Years
ALL
No
Sponsors
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Infante, Javier Molina, M.D.
INDIV
Responsible Party
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Javier Molina-Infante, MD
Medical Doctor
Principal Investigators
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Javier Molina-Infante, MD
Role: PRINCIPAL_INVESTIGATOR
Hospital San Pedro de Alcantara, Caceres, Spain
Locations
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Hospital San Pedro de Alcantara
Cáceres, Caceres, Spain
Countries
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References
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Cohen LB. Sedation issues in quality colonoscopy. Gastrointest Endosc Clin N Am. 2010 Oct;20(4):615-27. doi: 10.1016/j.giec.2010.07.003. Epub 2010 Aug 21.
Singh H, Poluha W, Cheung M, Choptain N, Baron KI, Taback SP. Propofol for sedation during colonoscopy. Cochrane Database Syst Rev. 2008 Oct 8;2008(4):CD006268. doi: 10.1002/14651858.CD006268.pub2.
Vargo JJ, Cohen LB, Rex DK, Kwo PY. Position statement: nonanesthesiologist administration of propofol for GI endoscopy. Gastrointest Endosc. 2009 Dec;70(6):1053-9. doi: 10.1016/j.gie.2009.07.020. No abstract available.
Dumonceau JM, Riphaus A, Aparicio JR, Beilenhoff U, Knape JT, Ortmann M, Paspatis G, Ponsioen CY, Racz I, Schreiber F, Vilmann P, Wehrmann T, Wientjes C, Walder B; NAAP Task Force Members. European Society of Gastrointestinal Endoscopy, European Society of Gastroenterology and Endoscopy Nurses and Associates, and the European Society of Anaesthesiology Guideline: Non-anesthesiologist administration of propofol for GI endoscopy. Endoscopy. 2010 Nov;42(11):960-74. doi: 10.1055/s-0030-1255728. Epub 2010 Nov 11.
Rex DK, Deenadayalu VP, Eid E, Imperiale TF, Walker JA, Sandhu K, Clarke AC, Hillman LC, Horiuchi A, Cohen LB, Heuss LT, Peter S, Beglinger C, Sinnott JA, Welton T, Rofail M, Subei I, Sleven R, Jordan P, Goff J, Gerstenberger PD, Munnings H, Tagle M, Sipe BW, Wehrmann T, Di Palma JA, Occhipinti KE, Barbi E, Riphaus A, Amann ST, Tohda G, McClellan T, Thueson C, Morse J, Meah N. Endoscopist-directed administration of propofol: a worldwide safety experience. Gastroenterology. 2009 Oct;137(4):1229-37; quiz 1518-9. doi: 10.1053/j.gastro.2009.06.042. Epub 2009 Jun 21.
Cohen LB, Dubovsky AN, Aisenberg J, Miller KM. Propofol for endoscopic sedation: A protocol for safe and effective administration by the gastroenterologist. Gastrointest Endosc. 2003 Nov;58(5):725-32. doi: 10.1016/s0016-5107(03)02010-8.
Cohen LB, Hightower CD, Wood DA, Miller KM, Aisenberg J. Moderate level sedation during endoscopy: a prospective study using low-dose propofol, meperidine/fentanyl, and midazolam. Gastrointest Endosc. 2004 Jun;59(7):795-803. doi: 10.1016/s0016-5107(04)00349-9.
Rex DK, Deenadayalu V, Eid E. Gastroenterologist-directed propofol: an update. Gastrointest Endosc Clin N Am. 2008 Oct;18(4):717-25, ix. doi: 10.1016/j.giec.2008.06.002.
McQuaid KR, Laine L. A systematic review and meta-analysis of randomized, controlled trials of moderate sedation for routine endoscopic procedures. Gastrointest Endosc. 2008 May;67(6):910-23. doi: 10.1016/j.gie.2007.12.046.
Lee CK, Lee SH, Chung IK, Lee TH, Park SH, Kim EO, Lee SH, Kim HS, Kim SJ. Balanced propofol sedation for therapeutic GI endoscopic procedures: a prospective, randomized study. Gastrointest Endosc. 2011 Feb;73(2):206-14. doi: 10.1016/j.gie.2010.09.035. Epub 2010 Dec 18.
Sipe BW, Scheidler M, Baluyut A, Wright B. A prospective safety study of a low-dose propofol sedation protocol for colonoscopy. Clin Gastroenterol Hepatol. 2007 May;5(5):563-6. doi: 10.1016/j.cgh.2007.01.013.
VanNatta ME, Rex DK. Propofol alone titrated to deep sedation versus propofol in combination with opioids and/or benzodiazepines and titrated to moderate sedation for colonoscopy. Am J Gastroenterol. 2006 Oct;101(10):2209-17. doi: 10.1111/j.1572-0241.2006.00760.x.
Rex DK. Review article: moderate sedation for endoscopy: sedation regimens for non-anaesthesiologists. Aliment Pharmacol Ther. 2006 Jul 15;24(2):163-71. doi: 10.1111/j.1365-2036.2006.02986.x.
Paspatis GA, Manolaraki M, Xirouchakis G, Papanikolaou N, Chlouverakis G, Gritzali A. Synergistic sedation with midazolam and propofol versus midazolam and pethidine in colonoscopies: a prospective, randomized study. Am J Gastroenterol. 2002 Aug;97(8):1963-7. doi: 10.1111/j.1572-0241.2002.05908.x.
Cohen LB. Making 1+1=3: improving sedation through drug synergy. Gastrointest Endosc. 2011 Feb;73(2):215-7. doi: 10.1016/j.gie.2010.10.027. No abstract available.
Padmanabhan U, Leslie K, Eer AS, Maruff P, Silbert BS. Early cognitive impairment after sedation for colonoscopy: the effect of adding midazolam and/or fentanyl to propofol. Anesth Analg. 2009 Nov;109(5):1448-55. doi: 10.1213/ane.0b013e3181a6ad31. Epub 2009 Jul 17.
Kerker A, Hardt C, Schlief HE, Dumoulin FL. Combined sedation with midazolam/propofol for gastrointestinal endoscopy in elderly patients. BMC Gastroenterol. 2010 Jan 27;10:11. doi: 10.1186/1471-230X-10-11.
Molina-Infante J, Duenas-Sadornil C, Mateos-Rodriguez JM, Perez-Gallardo B, Vinagre-Rodriguez G, Hernandez-Alonso M, Fernandez-Bermejo M, Gonzalez-Huix F. Nonanesthesiologist-administered propofol versus midazolam and propofol, titrated to moderate sedation, for colonoscopy: a randomized controlled trial. Dig Dis Sci. 2012 Sep;57(9):2385-93. doi: 10.1007/s10620-012-2222-4. Epub 2012 May 22.
Other Identifiers
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MIDP11
Identifier Type: -
Identifier Source: org_study_id
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