Obesity, weight gain, and risk of chronic myeloid leukemia

Sara S. Strom, Yuko Yamamura, Hagop M. Kantarijian, Jorge E. Cortes-Franco

Research output: Contribution to journalArticle

Abstract

To date, little is known about the risk factors for the development of chronic myeloid leukemia (CML). Obesity, measured as body mass index, has been identified as a possible risk factor for several solid tumors as well as some adult hematopoietic malignancies. This case-controlstu dy (N = 253 cases and 270 controls), conducted at the University of Texas M. D. Anderson Cancer Center, investigated the role of obesity and adulthood weight gain in CML risk. Cases and controls were similar with respect to smoking, alcohol consumption, and occupation also lvent and ionizing radiation exposure. Cases were significantly more likely to have a history of occupational exposure to agricultural chemicals (11% cases versus 3% controls, P = 0.001). Cases were more likely to be obese during adulthood compared with controls at age 25 [odds ratios (OR) = 4.29; 95% confidence intervals (95% CI), 1.63-11.3], at age 40 (OR = 5.12; 95%CI, 1.92-13.6), and at diagnosis (OR = 3.09; 95% CI, 1.56-6.13). Obesity at all ages was found to be an independent risk factor, with a significant dose-response effect. Among participants ≥45 years, cases gained significantly more weight each year between ages 25 and 40 compared with controls (0.78 versus 0.44 kg/y, P < 0.001) with the association strongest among those who gained >1 kg/y between 25 and 40 years of age (OR, 3.63; 95% CI, 1.46-9.04). Our results suggest that obesity and adulthood weight gain play important roles in CML risk. Several plausible biological mechanisms have been proposed and warrant further investigation. In the future, cancer prevention interventions aimed at reducing the incidence of CML could be developed.

Original languageEnglish (US)
Pages (from-to)1501-1506
Number of pages6
JournalCancer Epidemiology Biomarkers and Prevention
Volume18
Issue number5
DOIs
StatePublished - May 1 2009
Externally publishedYes

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Leukemia, Myelogenous, Chronic, BCR-ABL Positive
Weight Gain
Obesity
Odds Ratio
Confidence Intervals
Agrochemicals
Neoplasms
Hematologic Neoplasms
Occupational Exposure
Ionizing Radiation
Occupations
Alcohol Drinking
Body Mass Index
Smoking
Weights and Measures
Incidence

ASJC Scopus subject areas

  • Epidemiology
  • Oncology

Cite this

Obesity, weight gain, and risk of chronic myeloid leukemia. / Strom, Sara S.; Yamamura, Yuko; Kantarijian, Hagop M.; Cortes-Franco, Jorge E.

In: Cancer Epidemiology Biomarkers and Prevention, Vol. 18, No. 5, 01.05.2009, p. 1501-1506.

Research output: Contribution to journalArticle

Strom, Sara S. ; Yamamura, Yuko ; Kantarijian, Hagop M. ; Cortes-Franco, Jorge E. / Obesity, weight gain, and risk of chronic myeloid leukemia. In: Cancer Epidemiology Biomarkers and Prevention. 2009 ; Vol. 18, No. 5. pp. 1501-1506.
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