Spondyloarthritis & psoriatic arthritis

Association of ankylosing spondylitis with the risk of cancer: a meta-analysis of cohort studies

Rheumatology (Oxford)Published Systematic review and meta-analysis of cohort studies

Pooled result · Overall cancerResult — go to the resultRelative risk 1.16 95% CI 1.07–1.26

Authors' conclusion

AS appears to be related to cancer development.

Study context

Population
Cohort studies of ankylosing spondylitis (AS) and cancer risk (PubMed, EMBASE, Cochrane Library up to 10 July 2023)
Participants
>330,000 participants20 cohorts
Comparison
AS vs no AS
Outcome
Cancer risk (RR)
Methodological detailsrandom-effects model
  • Random-effects model

Pooled result

Overall cancer

Relative risk

1.16

95% CI 1.07–1.26

P = 0.001

ASvs Non-AS
RR 1.16 (95% CI 1.07–1.26); P = 0.001

As reported in the abstract

Further pooled results

OutcomeRR (95% CI)P value
Bone cancerI2 = 0.00%3.41 (1.45–7.99)P = 0.005
Thyroid gland cancerI2 = 13.70%1.76 (1.29–2.40)P < 0.001
Multiple myelomaI2 = 27.20%1.74 (1.42–2.15)P < 0.001
LeukaemiaI2 = 0.00%1.52 (1.27–1.82)P < 0.001
Kidney cancerI2 = 0.00%1.45 (1.08–1.94)P = 0.014
Prostate cancerI2 = 82.80%1.43 (1.17–1.74)P < 0.001
Non-Hodgkin's lymphomaI2 = 0.00%1.42 (1.17–1.73)P < 0.001

Overall cancer by region (subgroup)

Higher cancer risk with AS in Asia; association not significant in Europe

Other cancer types

No significant correlation with connective tissue, brain, testicular and other male, bladder, female, skin, digestive and respiratory system cancers

Original publication

Association of ankylosing spondylitis with the risk of cancer: a meta-analysis of cohort studies. Rheumatology (Oxford). Published 3 June 2024. doi:10.1093/rheumatology/keae294

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