Oral Versus Intravenous Acetaminophen for Postoperative Pain Control

Summary

The investigators are going to study the difference in postoperative pain control after administration of oral versus intravenous formulation of acetaminophen

Timeline

Start

2021-03-12

Primary completion

2021-09-05

Completion

2021-09-05

Outcome

Outcome not reported

Stopped: “It was determined that the study should not continue as the study drug, Acetaminophen, could only be mixed in a solvent that would not allow the patients to be NPO prior to procedure.”

Publications

• Background Alloui A, Chassaing C, Schmidt J, Ardid D, Dubray C, Cloarec A, Eschalier A. Paracetamol exerts a spinal, tropisetron-reversible, antinociceptive effect in an inflammatory pain model in rats. Eur J Pharmacol. 2002 May 17;443(1-3):71-7. doi: 10.1016/s0014-2999(02)01578-9.
• Background Flower RJ, Vane JR. Inhibition of prostaglandin synthetase in brain explains the anti-pyretic activity of paracetamol (4-acetamidophenol). Nature. 1972 Dec 15;240(5381):410-1. doi: 10.1038/240410a0. No abstract available.
• Background Graham GG, Scott KF. Mechanism of action of paracetamol. Am J Ther. 2005 Jan-Feb;12(1):46-55. doi: 10.1097/00045391-200501000-00008.
• Background Hinz B, Brune K. Paracetamol and cyclooxygenase inhibition: is there a cause for concern? Ann Rheum Dis. 2012 Jan;71(1):20-5. doi: 10.1136/ard.2011.200087. Epub 2011 Oct 28.
• Background Hinz B, Cheremina O, Brune K. Acetaminophen (paracetamol) is a selective cyclooxygenase-2 inhibitor in man. FASEB J. 2008 Feb;22(2):383-90. doi: 10.1096/fj.07-8506com. Epub 2007 Sep 20.
• Background Hinz B, Dormann H, Brune K. More pronounced inhibition of cyclooxygenase 2, increase in blood pressure, and reduction of heart rate by treatment with diclofenac compared with celecoxib and rofecoxib. Arthritis Rheum. 2006 Jan;54(1):282-91. doi: 10.1002/art.21540.
• Background Jahr JS, Lee VK. Intravenous acetaminophen. Anesthesiol Clin. 2010 Dec;28(4):619-45. doi: 10.1016/j.anclin.2010.08.006.
• Background Moller PL, Sindet-Pedersen S, Petersen CT, Juhl GI, Dillenschneider A, Skoglund LA. Onset of acetaminophen analgesia: comparison of oral and intravenous routes after third molar surgery. Br J Anaesth. 2005 May;94(5):642-8. doi: 10.1093/bja/aei109. Epub 2005 Mar 24.
• Background Nakamura K, Li YQ, Kaneko T, Katoh H, Negishi M. Prostaglandin EP3 receptor protein in serotonin and catecholamine cell groups: a double immunofluorescence study in the rat brain. Neuroscience. 2001;103(3):763-75. doi: 10.1016/s0306-4522(01)00027-6.
• Background Pasero C, Stannard D. The role of intravenous acetaminophen in acute pain management: a case-illustrated review. Pain Manag Nurs. 2012 Jun;13(2):107-24. doi: 10.1016/j.pmn.2012.03.002.
• Background Pickering G, Esteve V, Loriot MA, Eschalier A, Dubray C. Acetaminophen reinforces descending inhibitory pain pathways. Clin Pharmacol Ther. 2008 Jul;84(1):47-51. doi: 10.1038/sj.clpt.6100403. Epub 2007 Oct 24.
• Background Pickering G, Loriot MA, Libert F, Eschalier A, Beaune P, Dubray C. Analgesic effect of acetaminophen in humans: first evidence of a central serotonergic mechanism. Clin Pharmacol Ther. 2006 Apr;79(4):371-8. doi: 10.1016/j.clpt.2005.12.307.

Drugs

Indications

No indication recorded.