Chemotherapy is linked to severe vitamin D deficiency in patients with colorectal cancer
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Preclinical and clinical evidence support an association between vitamin D deficiency and an increased risk of colorectal cancer. Normal vitamin D status has been linked to favorable health outcomes ranging from decreased risk of osteoporosis to improved cancer mortality. We performed a retrospective study to assess the impact of metastatic disease and chemotherapy treatment on vitamin D status in patients with colorectal cancer residing in Western New York.
Materials and methods
Patients, 315, with colorectal cancer treated in a single institute were assayed for 25-OH vitamin D. The association of age, gender, primary disease site and stage, body mass index, and chemotherapy with vitamin D status was investigated.
Vitamin D deficiency was common among participants with a median 25-OH vitamin D level of 21.3 ng/ml (optimal range 32–100 ng/ml). Primary site of disease and chemotherapy status were associated with very low 25-OH vitamin D levels (≤15 ng/ml) on multivariate analysis. Patients receiving chemotherapy and patients with a rectal primary were 3.7 and 2.6-fold more likely to have severe vitamin D deficiency on multivariate analysis than nonchemotherapy patients and colon cancer primary patients, respectively.
Chemotherapy is associated with a significant increase in the risk of severe vitamin D deficiency. Patients with colorectal cancer, especially those receiving chemotherapy, should be considered for aggressive vitamin D replacement strategies.
- Chemotherapy is linked to severe vitamin D deficiency in patients with colorectal cancer
International Journal of Colorectal Disease
Volume 24, Issue 2 , pp 219-224
- Cover Date
- Print ISSN
- Online ISSN
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- Colorectal cancer
- Vitamin D
- 25-hydroxy vitamin D
- Industry Sectors
- Author Affiliations
- 1. Department of Medicine, Roswell Park Cancer Institute and the University at Buffalo, Buffalo, NY, 14263, USA
- 5. Department of Medicine, Roswell Park Cancer Institute, Elm and Carlton, Buffalo, NY, 14263, USA
- 2. Department of Pharmacology, Roswell Park Cancer Institute, Buffalo, NY, 14263, USA
- 3. Department of Biostatistics, Roswell Park Cancer Institute and the University at Buffalo, Buffalo, NY, 14263, USA
- 4. Cancer Prevention and Population Science, Roswell Park Cancer Institute, Buffalo, NY, 14263, USA