Journal
CANCER CAUSES & CONTROL
Volume 33, Issue 2, Pages 353-361Publisher
SPRINGER
DOI: 10.1007/s10552-021-01523-0
Keywords
Pituitary adenoma; Incidence; Risk; Cohort; Epidemiology; Alcohol
Funding
- National Institutes of Health (NIH) [PO1 CA87969, U01 CA167552, UM1 CA186107, U01 CA176726, UM1 CA167552, F30 CA235791, R37 HD019938]
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This study found an inverse association between alcohol intake and incidence of pituitary adenoma, indicating that alcohol consumption may be associated with a reduced risk of developing this type of tumor.
Background The association between alcohol intake and incidence of pituitary adenoma has not been reported previously. We examined this association in three large, prospective cohort studies. Methods Using data from the Nurses' Health Study, Nurses' Health Study II, and Health Professionals Follow-Up Study, we computed multivariable-adjusted hazard ratios (MVHR) and 95% confidence intervals (CI) for pituitary adenoma by levels of alcohol intake using Cox proportional hazards regression. Results We identified 292 incident cases of pituitary adenoma (225 among women, 67 among men) among 235,973 participants with 6,548,732 person-years of follow-up. Compared with intake of <= 0.5 g/day, cumulative average alcohol intake in all categories was associated with reduced risk of pituitary adenoma (MVHR = 0.60, 95% CI 0.43-0.83 for 0.5-<= 2 g/day, MVHR = 0.57, 95% CI 0.41-0.79 for > 2.0-<= 8.0, MVHR = 0.70, 95% CI 0.47-1.04 for > 8.0-<= 15.0, and MVHR = 0.51, 95% CI 0.32-0.83 for > 15.0 g/day). Significant inverse findings were present in women and were similar but non-significant in men. For specific alcoholic beverages, inverse associations were statistically significant for total wine (MVHR = 0.58, 95% CI 0.43-0.79 comparing 0.5-<= 2 to <= 0.5 g/day), red wine (MVHR = 0.65, 95% CI 0.46-0.92 comparing 0.5-<= 2 to <= 0.5 g/day), and white wine (MVHR = 0.72, 95% CI 0.53-0.97 comparing 0.5-<= 2 to <= 0.5 g/day). Results were consistent using baseline intake, recent intake, and with an 8-year lag. Conclusion In three prospective cohorts, compared to almost no consumption, alcohol consumption was associated with reduced risk of pituitary adenoma. Sensitivity analyses suggest that these results are unlikely to be the result of reverse causation or diagnostic bias.
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