Prevalence of Breakthrough Cancer Pain: A Systematic Review and a Pooled Analysis of Published Literature

Abstract Context Despite the large body of literature on breakthrough cancer pain (BTcP), an accurate estimate of BTcP prevalence is still not available. Objectives To provide an estimate of BTcP prevalence and investigate the association between different prevalence rates and possible determinants....

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Bibliographic Details
Published in:Journal of pain and symptom management 2014, Vol.47 (1), p.57-76
Main Authors: Deandrea, Silvia, MD, PhD, Corli, Oscar, MD, Consonni, Dario, MD, PhD, Villani, Walter, BSc, Greco, Maria Teresa, MD, Apolone, Giovanni, MD
Format: Article
Language:English
Subjects:
Anesthesia & Perioperative Care
Biological and medical sciences
Breakthrough cancer pain
Breakthrough pain
Breakthrough Pain - epidemiology
Breakthrough Pain - physiopathology
Breakthrough Pain - therapy
Cancer
Heterogeneity
Humans
Medical sciences
Multiple tumors. Solid tumors. Tumors in childhood (general aspects)
Neoplasms - epidemiology
Neoplasms - physiopathology
Neoplasms - therapy
Observational research
Pain
Pain Medicine
Pharmacology. Drug treatments
pooled analysis
Prevalence
systematic review
Tumors
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Summary:Abstract Context Despite the large body of literature on breakthrough cancer pain (BTcP), an accurate estimate of BTcP prevalence is still not available. Objectives To provide an estimate of BTcP prevalence and investigate the association between different prevalence rates and possible determinants. Methods We conducted MEDLINE and EMBASE searches for studies published from 1990 to 2012 reporting data on BTcP prevalence in adult cancer populations. Pooled prevalence rates from observational studies with an acceptable methodological quality were computed. The association between BTcP prevalence and possible predictors was investigated using subgroup analyses and meta-regression. Results Twenty-seven observational studies were identified. When quality criteria were applied, only 19 studies were included in the pooled analysis. The overall pooled prevalence was 59.2%, with high heterogeneity. The lowest prevalence rates were detected in studies conducted in outpatient clinics (39.9%), and the highest prevalence was reported in studies conducted in hospice (80.5%). The association between BTcP prevalence and other determinants such as publication year, age, gender, metastatic disease prevalence, or baseline pain intensity did not reach statistical significance. Conclusion In the context of a large between-studies heterogeneity, more than one in two patients with cancer pain also experiences BTcP, with some variability according to clinical and organizational variables.
ISSN:0885-3924
1873-6513
DOI:10.1016/j.jpainsymman.2013.02.015