Risk of cancer in patients treated with human pituitary growth hormone in the UK, 1959-85: a cohort study


Swerdlow, AJ; Higgins, CD; Adlard, P; Preece, MA; (2002) Risk of cancer in patients treated with human pituitary growth hormone in the UK, 1959-85: a cohort study. Lancet, 360 (9329). pp. 273-277. ISSN 0140-6736 DOI: https://doi.org/10.1016/S0140-6736(02)09519-3

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Abstract

Background Growth hormone raises serum concentrations of insulin-like growth factor IGFI, which is mitogenic and antiapoptotic. There is evidence that raised endogenous levels of growth hormone and IGFI might be associated with increased risk of certain solid cancers, but there have been no data on long-term risks of solid cancers after growth hormone treatment. Methods We did a cohort study to investigate cancer incidence and mortality in 1848 patients in the UK who were treated during childhood and early adulthood with human pituitary growth hormone during the period from 1959 to 1985. Patients were followed up for cancer incidence to December, 1995 and for mortality to December, 2000. Risk of cancer in the cohort was compared with that in the general population, controlling for age, sex, and calendar period. Findings Patients treated with human pituitary growth hormone had significantly raised risks of mortality from cancer overall (standardised mortality ratio 2.8, 95% CI 1.3-5.1; ten cases), colorectal cancer (10.8, 1.3-38.8; two cases), and Hodgkin's disease (11.4, 1.4-41.3; two cases). Incidence of colorectal cancer was also greatly raised (7.9, 1.0-28.7). After exclusion of patients whose original diagnosis rendered them at high risk of cancer, the significance and size of the risks of colorectal cancer incidence and mortality, and of Hodgkin's disease mortality were increased. Interpretation Although based on small numbers, the risk of colorectal cancer is of some concern and further investigation in other cohorts is needed. We have no evidence as to whether growth hormone in modern dosage regimens is associated with an increased risk of colorectal cancer.

Item Type: Article
Keywords: Epithelial-cell proliferation, igf-binding-proteins, factor-i, factor (igf)-i, colorectal neoplasia, acromegalic patients, premature mortality, leukemia, adults, women, Adolescence, Adult, Bone Neoplasms, epidemiology, mortality, Child, Cohort Studies, Colorectal Neoplasms, epidemiology, mortality, Female, Great Britain, epidemiology, Hodgkin Disease, epidemiology, mortality, Human, Incidence, Insulin-Like Growth Factor I, metabolism, Male, Risk Factors, Somatropin, adverse effects, deficiency, Support, Non-U.S. Gov't
Faculty and Department: Faculty of Epidemiology and Population Health
PubMed ID: 12147369
Web of Science ID: 177102700007
URI: http://researchonline.lshtm.ac.uk/id/eprint/16591

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