Effects of immediate-release opioid on memory functioning: A randomized-controlled study in patients receiving sustained-release opioids

Journal article

Kamboj, S. K., Conroy, L., Tookman, A., Carroll, E., Jones, L. and Curran, H.. (2014). Effects of immediate-release opioid on memory functioning: A randomized-controlled study in patients receiving sustained-release opioids. European Journal of Pain. 18(10), pp. 1376 - 1384. https://doi.org/10.1002/j.1532-2149.2014.498.x
AuthorsKamboj, S. K., Conroy, L., Tookman, A., Carroll, E., Jones, L. and Curran, H.
Abstract

Background: The effects of opioid medication on cognitive functioning in patients with cancer and non-cancer pain remain unclear. Method: In this mechanistic randomized, double-blind, placebo-controlled, cross-over study of patients (n = 20) receiving sustained-release and immediate-release opioid medication as part of their palliative care, we examine memory effects of an additional dose of participants' immediate-release medication (oxycodone or morphine) or placebo. Immediate prose recall and recall of related and unrelated word pairs was assessed pre-and post-drug (placebo or immediate-release opioid). Memory for these stimuli was also tested after a delay on each testing occasion. Finally, performance on an ‘interference’ word pair task was assessed on the two testing occasions since proactive interference has been posited as a mechanism for acute opioid-induced memory impairment. Result: Unlike previous work, we found no evidence of memory impairment for material presented before or after individually tailored, ‘breakthrough’ doses of immediate-release opioid. Furthermore, immediate-release opioid did not result in increased memory interference. On the other hand, we found enhancedperformance on the interference word pair task after immediate-release opioid, possibly indicating lowerlevels of interference. Conclusion: These results suggest that carefully titrated immediate-release doses of opioid drugs may not cause extensive memory impairment as previously reported, and in fact, may improve memory in certain circumstances. Importantly, our findings contrast strikingly with those of a study using the same robust design that showed significant memory impairment. We propose that factors, such as depressive symptoms, education level and sustained-release opioid levels may influence whether impairment is observed following immediate-release opioid treatment.

Year2014
JournalEuropean Journal of Pain
Journal citation18 (10), pp. 1376 - 1384
PublisherBlackwell Publishing Ltd
ISSN1090-3801
Digital Object Identifier (DOI)https://doi.org/10.1002/j.1532-2149.2014.498.x
Scopus EID2-s2.0-84908377126
Page range1376 - 1384
Publisher's version
File Access Level
Controlled
Place of publicationUnited Kingdom
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Cannabis Dampens the Effects of Music in Brain Regions Sensitive to Reward and Emotion
Tom P. Freeman, Rebecca A. Pope, Matthew B. Wall, James A. Bisby, Maartje Luijten, Chandni Hindocha, Claire Mokrysz, Will Lawn, Abigail Moss, Michael A. P. Bloomfield, Celia J. A. Morgan, David J. Nutt and H. Valerie Curran. (2018). Cannabis Dampens the Effects of Music in Brain Regions Sensitive to Reward and Emotion. International Journal of Neuropsychopharmacology. 21(1), pp. 21-32. https://doi.org/10.1093/ijnp/pyx082
Cannabidiol reverses attentional bias to cigarette cues in a human experimental model of tobacco withdrawal
Chandni Hindocha, Tom P. Freeman, Meryem Grabsk, Jack B. Stroud, Holly Crudgington, Alan C. Davies, Ravi K. Das, William Lawn, Celia Morgan and H. Valerie Curran. (2018). Cannabidiol reverses attentional bias to cigarette cues in a human experimental model of tobacco withdrawal. Addiction. 113(9), pp. 1696-1705. https://doi.org/10.1111/add.14243
Amisulpride for very late-onset schizophrenia-like psychosis: The ATLAS three-arm RCT
Howard, Robert, Cort, Elizabeth, Bradley, Rosie, Harper, Emma, Kelly, Linda, Bentham, Peter, Ritchie, Craig, Reeves, Suzanne, Fawzi, Waleed, Livingston, Gill, Sommerlad, Andrew, Oomman, Sabu, Nazir, Ejaz, Nilforooshan, Ramin, Barber, Robert, Fox, Chris, Macharouthu, Ajay, Ramachandra, Pranathi, Pattan, Vivek, ... Gray, Richard. (2018). Amisulpride for very late-onset schizophrenia-like psychosis: The ATLAS three-arm RCT. Health Technology Assessment. 22(67), pp. 1 - 60. https://doi.org/10.3310/hta22670
Ketamine treatment for depression : Opportunities for clinical innovation and ethical foresight
Singh, Ilina, Morgan, Celia, Curran, Valerie, Nutt, David, Schlag, Anne and McShane, Rupert. (2017). Ketamine treatment for depression : Opportunities for clinical innovation and ethical foresight. The Lancet Psychiatry. 4(5), pp. 419-426. https://doi.org/10.1016/S2215-0366(17)30102-5
Anatomy of a Joint: Comparing Self-Reported and Actual Dose of Cannabis and Tobacco in a Joint, and How These Are Influenced by Controlled Acute Administration
Chandni Hindocha, Tom P. Freeman and H. Valerie Curran. (2017). Anatomy of a Joint: Comparing Self-Reported and Actual Dose of Cannabis and Tobacco in a Joint, and How These Are Influenced by Controlled Acute Administration. Cannabis and Cannabinoid Research. 2(1), pp. 217-223. https://doi.org/10.1089/can.2017.0024
Acute memory and psychotomimetic effects of cannabis and tobacco both 'joint' and individually: A placebo-controlled trial
Hindocha, Chandni, Freeman, T. P., Xia, J. X., Shaban, Natacha D. C. and Curran, Helen V.. (2017). Acute memory and psychotomimetic effects of cannabis and tobacco both 'joint' and individually: A placebo-controlled trial. Psychological Medicine. 47(15), pp. 2708 - 2719. https://doi.org/10.1017/S0033291717001222
Editorial : Reporting guidelines for psychopharmacology
Steckler, Thomas, Curran, H. Valerie, de Wit, Harriet, Howes, Oliver, Hoyer, Daniel, Lucki, Irwin, Miczek, Klaus A., Morrow, A. Leslie, Price, Lawrence H. and Robbins, Trevor W.. (2016). Editorial : Reporting guidelines for psychopharmacology. Psychopharmacology. 233(7), pp. 1131-1134. https://doi.org/10.1007/s00213-016-4252-7
AKT1 genotype moderates the acute psychotomimetic effects of naturalistically smoked cannabis in young cannabis smokers
Morgan, Celia J. A., Freeman, T. P., Powell, J. and Curran, Helen V.. (2016). AKT1 genotype moderates the acute psychotomimetic effects of naturalistically smoked cannabis in young cannabis smokers. Translational Psychiatry. 6(2), pp. 1 - 6. https://doi.org/10.1038/tp.2015.219
Deconstructing the nature of episodic foresight deficits associated with chronic opiate use
Mercuri, Kimberly, Terrett, Gill, Bailey, Phoebe E., Henry, Julie D., Curran, Helen Valerie and Rendell, Peter G.. (2016). Deconstructing the nature of episodic foresight deficits associated with chronic opiate use. British Journal of Clinical Psychology. 55(4), pp. 401 - 413. https://doi.org/10.1111/bjc.12110
Are adolescents more vulnerable to the harmful effects of cannabis than adults? A placebo-controlled study in human males
Mokrysz, Claire, Freeman, Tom P., Korkki, S., Griffiths, K. and Curran, Helen V.. (2016). Are adolescents more vulnerable to the harmful effects of cannabis than adults? A placebo-controlled study in human males. Translational Psychiatry. 6(11), pp. 1 - 10. https://doi.org/10.1038/tp.2016.225
LSD enhances the emotional response to music
Kaelen, M., Barrett, F. S., Roseman, L., Lorenz, R., Family, N., Bolstridge, M., Curran, Helen V., Feilding, A., Nutt, David J. and Carhart-Harris, R. L.. (2015). LSD enhances the emotional response to music. Psychopharmacology. 232(19), pp. 3607 - 3614. https://doi.org/10.1007/s00213-015-4014-y
Effects of ecstasy on cooperative behaviour and perception of trustworthiness: A naturalistic study
Stewart, L. H., Ferguson, B., Morgan, C. J. A., Swaboda, N., Jones, L., Fenton, R., Wall, M. B. and Curran, H.. (2014). Effects of ecstasy on cooperative behaviour and perception of trustworthiness: A naturalistic study. Journal of Psychopharmacology. 28(11), pp. 1001 - 1008. https://doi.org/10.1177/0269881114544775
Prospective memory impairment in long-term opiate users
Terrett, Gillian, McLennan, Skye, Henry, Julie, Biernacki, Kathryn, Mercuri, Kimberly, Curran, Valerie and Rendell, Peter. (2014). Prospective memory impairment in long-term opiate users. Psychopharmacology. 231(13), pp. 2623 - 2632. https://doi.org/10.1007/s00213-014-3432-6
Benzodiazepines: Risks and benefits. A reconsideration
Baldwin, David S., Aitchison, Katherine, Bateson, Alan, Curran, H. Valerie, Davies, Simon, Leonard, Brian, Nutt, David J., Stephens, David N. and Wilson, Sue. (2013). Benzodiazepines: Risks and benefits. A reconsideration. Journal of Psychopharmacology. 27(11), pp. 967 - 971. https://doi.org/10.1177/0269881113503509
Prospective memory and future event simulation in individuals with alcohol dependence
Griffiths, Alison, Hill, Robert, Morgan, Celia, Rendell, Peter Gregory, Karimi, Khashayar, Wanagaratne, Shamil and Curran, Valerie. (2012). Prospective memory and future event simulation in individuals with alcohol dependence. Addiction. 107(10), pp. 1809 - 1816. https://doi.org/10.1111/j.1360-0443.2012.03941.x
Neurocognitive function and schizophrenia-proneness in individuals dependent on ketamine, on high potency cannabis (skunk) or on cocaine
Morgan, Celia, Duffin, S., Hunt, S., Monaghan, L., Mason, O. and Curran, Helen. (2012). Neurocognitive function and schizophrenia-proneness in individuals dependent on ketamine, on high potency cannabis (skunk) or on cocaine. Pharmacopsychiatry. 45(7), pp. 269 - 274. https://doi.org/10.1055/s-0032-1306310