Pre-surgery energy flexibility may flag heart risk after cancer surgery
NCT ID NCT07694453
First seen Jul 10, 2026 · Last updated Jul 15, 2026 · Updated 2 times
Summary
This observational study looks at whether metabolic inflexibility — the reduced ability to switch between using fats and sugars for energy — is linked to heart muscle injury after major abdominal cancer surgery. Researchers will measure this flexibility using routine pre-surgery exercise tests and additional blood samples. The goal is to see if this simple measure can identify patients at higher risk for heart injury within the first three days after surgery.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- What this could lead to
- If metabolic inflexibility is found to predict heart injury, it could lead to better pre-surgery screening and preventive strategies for high-risk patients.
- What could go wrong
- This is an observational study, so it cannot prove cause and effect. The findings may not apply to all types of surgery or patient groups.
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