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Meta-Analysis of Randomized Controlled Trials of Acupuncture for Cancer-Related Fatigue.

Integrative cancer therapies
May 1, 2014
Yingchun Zeng et al. (4 authors)
Journal ArticleMeta-AnalysisHuman Study
Study Details

Study Goal

The researchers aimed to evaluate the effectiveness of acupuncture (including acupressure) for managing cancer-related fatigue (CRF).

Results Summary

The meta-analysis showed mixed results, with one comparison (acupuncture plus education vs. usual care) demonstrating statistically significant improvement in CRF, while other comparisons (acupuncture vs. sham, no treatment, or acupressure/self-acupuncture) did not show significant effects. Heterogeneity among trials and methodological flaws were noted.

Population

People with cancer experiencing fatigue (689 subjects across 7 RCTs).

Effective Dosage

Not specified

Duration

Follow-up up to 10 weeks

Interactions

None mentioned

Extracted Claims (7)
InterventionDirectionEndpointPopulationDosageImpactClaim #
acupuncture
decrease
cancer-related fatigue (CRF)
people with cancer
-
showed in favor of
#1
acupuncture
decrease
general CRF
subjects
-0.82
SMD for general CRF change values was -0.82
#2
acupuncture plus education intervention
decrease
general CRF
-
SMD = -2.12
statistically significant difference for the change score
#3
acupuncture
decrease
general CRF
-
-1.46
SMD for general CRF change scores was -1.46
#4
acupuncture
decrease
general CRF
-
-1.12
SMD for general CRF change scores was -1.12
#5
acupuncture
no change
general quality of life and functioning status
-
SMD = 0.99
showing no statistically significant difference
#6
acupuncture
no change
general quality of life and functioning status
-
SMD = 1.38
showing no statistically significant difference
#7
Abstract

BACKGROUND: Fatigue is a distressing and pervasive problem for people with cancer. In recent years, acupuncture has gained increasing attention among researchers as an alternative management strategy for cancer-related fatigue (CRF). This review aimed to evaluate the effectiveness of acupuncture for CRF. METHODS: Five databases (Medline, CINAHL, Scopus, the Cochrane Library, and CAJ Full-text Database) were searched up to May 2013. Randomized controlled trials (RCTs) of acupuncture for the treatment of CRF were considered for inclusion. RESULTS: Seven RCTs were included for meta-analysis, involving a total of 689 subjects. Three studies compared acupuncture with sham acupuncture for CRF with follow-up at 10 weeks; the standardized mean difference (SMD) for general CRF change values was -0.82 (95% confidence interval [CI] = -1.90 to 0.26). When acupuncture plus education intervention was compared with usual care, there was a statistically significant difference for the change score of general CRF (SMD = -2.12; 95% CI = -3.21 to -1.03). The SMD for general CRF change scores between acupuncture with no treatment or wait-list control was -1.46 (95% CI = -3.56 to 0.63). Finally, the SMD for general CRF change scores between acupuncture with acupressure or self-acupuncture was -1.12 (95% CI = -3.03 to 0.78). Three trials reported data for general quality of life and functioning status, reporting enough data for statistical pooling but showing no statistically significant difference (Zscore = 1.15,P= .25, SMD = 0.99, 95% CI = -0.70 to 2.68 andZscore = 1.13,P= .26, SMD = 1.38, 95% CI = -1.02 to 3.79, respectively). TheI(2)statistics of all statistically pooled data were higher than 50%, indicating heterogeneity between the trials. CONCLUSIONS: There were 4 sets of comparison for the effectiveness of acupuncture for CRF; statistical pooling of the reduction in CRF from baseline to follow-up showed in favor of acupuncture. However, 3 sets of comparison for the pooled estimates of effect sizes had no statistical significance. Although one set of comparison (acupuncture plus education interventions vs usual care) had statistically significant differences, it is unclear whether this pooled positive outcome is attributable to the effects of acupuncture or to the education intervention. In addition, the duration of follow-up in these included trials was up to 10 weeks, and some RCTs had methodological flaws. Further rigorously designed RCTs adhering to acceptable standards of trial methodology are required to determine the effectiveness of acupuncture and its long-term effects on CRF.

Medical Subject Headings (MeSH)
Acupuncture TherapyFatigueHumansNeoplasmsQuality of LifeRandomized Controlled Trials as Topic
Study Links
Quality Scores
SafetyNot Assessed
Efficacy65/10
Quality70/10
Citation Metrics
Total Citations39
Citations/Year3.5
Relative Citation Ratio1.68
NIH Percentile69%
Research Impact Scores
APT Score0.75
Weight Score1.58
Normalized Score0.60
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