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Review
. 2021 Nov 16;13(22):5735.
doi: 10.3390/cancers13225735.

Diabetes and Cancer: Risk, Challenges, Management and Outcomes

Rabia K Shahid  1 , Shahid Ahmed  2 , Duc Le  2 , Sunil Yadav  2
Affiliations
Review

Diabetes and Cancer: Risk, Challenges, Management and Outcomes

Rabia K Shahid et al. Cancers (Basel). .

Abstract

Background: Diabetes mellitus and cancer are commonly coexisting illnesses, and the global incidence and prevalence of both are rising. Cancer patients with diabetes face unique challenges. This review highlights the relationship between diabetes and cancer and various aspects of the management of diabetes in cancer patients.

Methods: A literature search using keywords in PubMed was performed. Studies that were published in English prior to July 2021 were assessed and an overview of epidemiology, cancer risk, outcomes, treatment-related hyperglycemia and management of diabetes in cancer patients is provided.

Results: Overall, 8-18% of cancer patients have diabetes as a comorbid medical condition. Diabetes is a risk factor for certain solid malignancies, such as pancreatic, liver, colon, breast, and endometrial cancer. Several novel targeted compounds and immunotherapies can cause hyperglycemia. Nevertheless, most patients undergoing cancer therapy can be managed with an appropriate glucose lowering agent without the need for discontinuation of cancer treatment. Evidence suggests that cancer patients with diabetes have higher cancer-related mortality; therefore, a multidisciplinary approach is important in the management of patients with diabetes and cancer for a better outcome.

Conclusions: Future studies are required to better understand the underlying mechanism between the risk of cancer and diabetes. Furthermore, high-quality prospective studies evaluating management of diabetes in cancer patients using innovative tools are needed. A patient-centered approach is important in cancer patients with diabetes to avoid adverse outcomes.

Keywords: cancer; cancer therapy; diabetes; diabetes mellitus; hyperglycemia; targeted therapy.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Management of targeted treatment-related hyperglycemia.
See this image and copyright information in PMC

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