Adrenal disease

Impact of remission status in endogenous Cushing's syndrome on cancer incidence

Eur J EndocrinolPublished Retrospective cohort study

Main finding · Malignancy risk in CDResult — go to the resultHazard ratio 3.89 95% CI 1.41–10.75

Authors' conclusion

Though cancer risk is higher in both CD and adrenal CS, we have shown that achieving surgical remission within 2 years may attenuate cancer risk in patients with CD, but not in those with adrenal CS.

Study context

Population
Patients with endogenous Cushing's syndrome (CS) diagnosed 2000–2023 in Israel (Clalit Health Services' database); mean age at diagnosis 47.4 ± 16.8 years; 68.2% women388 cases · 1862 controls
Participants
69 / 99 / 39 / 113 / 1,862
Exposure
No remission vs remission within 2 years postsurgery in CD and adrenal CS
  • CD no remissionn = 69
  • CD remissionn = 99reference
  • Adrenal CS no early remissionn = 39
  • Adrenal CS remissionn = 113reference
  • Controlsn = 1,862reference
Outcome
Time to first diagnosis of malignancy, at least 3 years post-CS diagnosis
Methodological detailsnationwide, matched cohort, 1:5 matching by age, sex, socioeconomic status and BMI, competing-risk Cox proportional hazards
  • Nationwide
  • Matched cohort
  • 1:5 matching by age, sex, socioeconomic status and BMI
  • Competing-risk Cox proportional hazards

Main finding

Malignancy risk in CD

Hazard ratio

3.89

95% CI 1.41–10.75

CD no remissionvs CD remission
HR 3.89 (95% CI 1.41–10.75)

As reported in the abstract

Observational data: associations, not effects.

Further findings

OutcomeHR for malignancy (95% CI)
Malignancy risk: CD with remissionvs controls · ≥3 years post-CS diagnosisSimilar to controls · death as competing event0.58 (.23-1.47)
Malignancy risk: adrenal CS withoutvs with early remission · ≥3 years post-CS diagnosisComparable1.68 (.83-3.40)
  • Malignancy risk: adrenal CS without vs with early remission: n = 39 no early remission; n = 113 remission

Original publication

Impact of remission status in endogenous Cushing's syndrome on cancer incidence. Eur J Endocrinol. Published 25 February 2025. doi:10.1093/ejendo/lvaf028

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