ArticleDiabetologia2025
Pancreatic cancer-related diabetes and type 2 diabetes differ in multiple aspects of glucose homeostasis.
Article in Diabetologia, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.
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Who cites it
3 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Performance of risk prediction models for pancreatic cancer in patients with new-onset diabetes: a systematic review and meta-analysis.Frontiers in oncology · 2026Pooled it
- Review
- Pancreatic Cancer and Diabetes: Insights, Hypotheses, and Next Steps.International journal of molecular sciences · 2025Review
Corrections and comments
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Authors and funding
18 authors.
Funding
Abstract
aims/hypothesisPancreatic ductal adenocarcinoma-related diabetes mellitus (PDAC-DM) is a paraneoplastic syndrome with a poorly understood pathophysiology. PDAC-DM is often clinically confused with type 2 diabetes, resulting in delayed cancer detection and poorly individualised hyperglycaemia treatment. We investigated whether these forms of diabetes can be distinguished at the metabolic level.
methodsAdults with either cancer treatment-naive PDAC-DM (n=28) or type 2 diabetes (n=97), and with diabetes onset within 3 years, underwent mixed-meal tolerance tests to investigate glucose metabolism. Outcomes included insulin sensitivity (Matsuda index), insulin secretion (insulinogenic index), beta cell function (oral disposition index), insulin clearance, and postprandial glucagon, glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic peptide (GIP) responses.
resultsCompared with type 2 diabetes, individuals with PDAC-DM showed ~2.5-fold greater insulin sensitivity, ~81% lower insulin secretion and ~40% lower beta cell function. Insulin clearance was higher in the PDAC-DM group than the type 2 diabetes group, with and without adjustment for insulin sensitivity. Glucagon and GLP-1 levels increased after a meal in both groups, but levels were higher in the PDAC-DM group. GIP levels were similar between groups. The metabolic differences between groups persisted after adjustment for age, sex and BMI. CONCLUSIONS/
interpretationPDAC-DM and type 2 diabetes are metabolically distinct, with different defects responsible for hyperglycaemia. PDAC-DM is characterised predominantly by insulin deficiency and displays higher insulin sensitivity than type 2 diabetes. There are also differences in alpha cell regulation and insulin clearance compared with type 2 diabetes. These findings identify biological characteristics that may have implications for individualised treatment of PDAC-DM and guide diagnostic biomarker discovery for early PDAC diagnosis.
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