The DOI matches its Crossref record; 42 of the 42 references it cites were found in a registry or an index.
Perioperative pregabalin administration does not prevent chronic postoperative pain: systematic review with a meta-analysis of randomized trials
Abstract
The efficacy of perioperative pregabalin treatment for preventing chronic pain remains a matter of debate. We searched the MEDLINE, EMBASE, LILACS, Cochrane, and Clinical Trial Register databases, and other sources, for randomized controlled trials comparing the effects of pregabalin and placebo. The primary outcome was the incidence of chronic postsurgical pain (CPSP) at 3 months. The secondary endpoints were CPSP at 3, 6, and 12 months and the incidence of chronic postsurgical neuropathic pain at the same time points. A random-effect meta-analysis was performed on the combined data. Evidence quality was rated by the GRADE method. We included 18 studies (2485 patients) in the meta-analysis. Overall, 60% of the trials reporting the primary outcome at 3 months were unpublished; the unpublished trials corresponded to 1492/1884 (79%) of the patients included in these studies. No difference in CPSP incidence between pregabalin and placebo was found at any time point; the risk ratio was 0.87 (0.66, 1.14), I 2 = 57% at 3 months. The evidence was considered to be of moderate quality. Subgroup analysis by publication status, daily dose, type of administration, and type of surgery did not highlight any differences between subgroups. Insufficient data concerning the incidence of chronic postsurgical neuropathic pain were available for any firm recommendation to be made. Pooled data from published and unpublished studies provide no support for the efficacy of pregabalin for preventing CPSP.
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“Despite that, a recent review of 18 randomized controlled trials (RCTs) with published and unpublished studies demonstrated that pregabalin could not reduce the incidence of CPSP at 3 months with a moderate quality of evidence [36].”
From Chronic postsurgical pain: current evidence for prevention and management (2018) · cites this paper as [36]
Citations
Cites
Quantifying heterogeneity in a meta‐analysis
Higgins, J. P. T., & Thompson, S. G. (2002) · Statistics in Medicine · doi:10.1002/sim.1186 · Cited by 36,763
The Cochrane Collaboration's tool for assessing risk of bias in randomised trials
Higgins, J. P. T., Altman, D. G., Gotzsche, P. C., Juni, P., Moher, D., Oxman, A. D., Savovic, J., Schulz, K. F., Weeks, L., Sterne, J. A. C., et al. (2011) · BMJ · doi:10.1136/bmj.d5928 · Cited by 33,817
Liberati, A., Altman, D. G., Tetzlaff, J., Mulrow, C., Gotzsche, P. C., Ioannidis, J. P. A., Clarke, M., Devereaux, P. J., Kleijnen, J., & Moher, D. (2009) · BMJ · doi:10.1136/bmj.b2700 · Cited by 17,648
GRADE guidelines: 3. Rating the quality of evidence
Balshem, H., Helfand, M., Schünemann, H. J., Oxman, A. D., Kunz, R., Brozek, J., Vist, G. E., Falck-Ytter, Y., Meerpohl, J., & Norris, S. (2011) · Journal of Clinical Epidemiology · doi:10.1016/j.jclinepi.2010.07.015 · Cited by 8,285
Chou, R., Gordon, D. B., de Leon-Casasola, O. A., Rosenberg, J. M., Bickler, S., Brennan, T., Carter, T., Cassidy, C. L., Chittenden, E. H., Degenhardt, E., et al. (2016) · The Journal of Pain · doi:10.1016/j.jpain.2015.12.008 · Cited by 3,171
Publication bias in clinical research
Easterbrook, P. J., Gopalan, R., Berlin, J. A., & Matthews, D. R. (1991) · The Lancet · doi:10.1016/0140-6736(91)90201-y · Cited by 3,109 · cited 1×
“on the publication bias.(13) The unpublished data were mostly obtained from registries.”
BackgroundGRADE guidelines 6. Rating the quality of evidence—imprecision
Guyatt, G. H., Oxman, A. D., Kunz, R., Brozek, J., Alonso-Coello, P., Rind, D., Devereaux, P. J., Montori, V. M., Freyschuss, B., Vist, G., et al. (2011) · Journal of Clinical Epidemiology · doi:10.1016/j.jclinepi.2011.01.012 · Cited by 2,693
Chronic post-surgical pain: 10 years on
Macrae, W. A. (2008) · British Journal of Anaesthesia · doi:10.1093/bja/aen099 · Cited by 992
Clarke, H., Bonin, R. P., Orser, B. A., Englesakis, M., Wijeysundera, D. N., & Katz, J. (2012) · Anesthesia & Analgesia · doi:10.1213/ane.0b013e318249d36e · Cited by 481
Buvanendran, A., Kroin, J. S., Valle, C. J. D., Kari, M., Moric, M. M., & Tuman, K. J. (2009) · Anesthesia & Analgesia · doi:10.1213/ane.0b013e3181c4273a · Cited by 460
Research works printed but not linked: 2
- Remerand, 2011, Benefits and safety of perioperative pregabalin: a systematic review [in French], Ann Fr Anesth Reanim, 30, 569
- Sidiropoulou, 2013, Perioperative pregabalin and continuouswound infiltration of local anaesthetics in patients following thoracotomy, Reg Anesth Pain Med, 38, E231
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Metadata
- Authors
- Martinez, V., Pichard, X., & Fletcher, D.
- Affiliations
- Inserm (FR)
- Corresponding author
- Martinez, Valeria
- Venue
- Pain
- Published
- 2017-02-18
- Volume
- 158
- Issue
- 5
- Pages
- 775-783
- ISSN
- 0304-3959 (ISSN-L)
- 1872-6623
- OpenAlex
- W2595168535
- Cited by
- 78
- References
- 42
- Citations by year
- 2026: 2 · 2025: 4 · 2024: 4 · 2023: 9 · 2022: 7 · 2021: 11 · 2020: 6 · 2019: 4 · 2018: 19 · 2017: 12
- FWCI
- 2.38
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Pain (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Anesthesiology and Pain Medicine › Anesthesia and Pain Management
- Health Sciences › Medicine › Anesthesiology and Pain Medicine › Pain Management and Treatment
- Health Sciences › Medicine › Physiology (medical) › Pain Mechanisms and Treatments
- Keywords
- pregabalin, chronic postoperative pain, perioperative analgesia, pain prevention, unpublished trials, publication bias, surgical pain
- MeSH terms
- Pregabalin, Analgesics, Drug Administration Schedule, Humans, Pain, Postoperative, Postoperative Pain, Perioperative Period
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