It is well established that cancer cells have fundamentally altered metabolism, which contributes to tumorigenicity and malignancy. For years, research findings supported that the universal property of all cancer cells was to increase glycolytic flux for anaerobic glycolysis (i.e., Warburg effect), which was accepted as the dominant pathway for energy metabolism. Fortunately, by understanding these changes in cellular metabolism multiple new approaches to cancer therapy, focused on reprogramming the energy metabolism of the cell. Recently, further investigation in the field found that cancer cells exhibit multiple alterations in metabolic pathways, not only glycolysis. Alterations in lipid metabolism in cancer cells have recently been recognized as potential targets for therapeutic interventions due to its role in cellular proliferation, energy storage, and the generation of signaling molecules. Numerous cancer types can rely on lipids as an energy source, increasing fatty acid synthesis and degradation to promote proliferation and metastasis. Several therapeutic agents utilized in gynecologic malignancies impact lipid metabolism. The objective of the proposed study will be to determine the impact of cancer directed therapy on the lipid metabolism of non-malignant tissues. No study to date has assessed whole-body lipid metabolism in patients undergoing chemotherapy (i.e. cytotoxic chemotherapy and/or immunotherapy). These novel findings will provide crucial knowledge about the dysregulation of whole-body metabolism in patients receiving chemotherapy for treatment of gynecologic cancer.
Study Type
OBSERVATIONAL
Enrollment
43
University of Tennessee Medical Center
Knoxville, Tennessee, United States
Fasting Whole Body Carbon Dioxide Production - Baseline
Fasting whole body carbon dioxide production (VCO2), which is assessed using indirect calorimetry and measured in ml/min.
Time frame: Fasting, measured at the start of the study visit at one time point during active cancer treatment.
Fasting Whole Body Oxygen Consumption - Baseline
Fasting whole body oxygen consumption (VO2), which is assessed using indirect calorimetry in ml/min
Time frame: Fasting, measured at the start of the study visit at one time point during active cancer treatment.
Fasting Resting Metabolic Rate (RMR) - Baseline
Fasting resting metabolic rate (RMR), which is assessed using indirect calorimetry and measured in kcal/day.
Time frame: Fasting, measured at the start of the study visit at one time point during active cancer treatment.
Fasting respiratory exchange ratio (RER) - Baseline
Fasting respiratory exchange ratio (RER), which is assessed using indirect calorimetry.
Time frame: Fasting, measured at the start of the study visit at one time point during active cancer treatment.
Fasting Whole Body Carbon Dioxide Production - 30 Minutes Post
Fasting whole body carbon dioxide production (VCO2), which is assessed using indirect calorimetry and measured in ml/min.
Time frame: Fasting, measured 30 minutes after the start of a single cancer treatment during the study visit at one time point during active cancer treatment.
Fasting Whole Body Oxygen Consumption - 30 Minutes Post
Fasting whole body oxygen consumption (VO2), which is assessed using indirect calorimetry in ml/min
Time frame: Fasting, measured 30 minutes after the start of a single cancer treatment during the study visit at one time point during active cancer treatment.
Fasting Resting Metabolic Rate (RMR) - 30 Minutes Post
Fasting resting metabolic rate (RMR), which is assessed using indirect calorimetry and measured in kcal/day.
Time frame: Fasting, measured 30 minutes after the start of a single cancer treatment during the study visit at one time point during active cancer treatment.
Fasting respiratory exchange ratio (RER) - 30 Minutes Post
Fasting respiratory exchange ratio (RER), which is assessed using indirect calorimetry.
Time frame: Fasting, measured 30 minutes after the start of a single cancer treatment during the study visit at one time point during active cancer treatment.
Fasting Whole Body Carbon Dioxide Production - 90 Minutes Post
Fasting whole body carbon dioxide production (VCO2), which is assessed using indirect calorimetry and measured in ml/min.
Time frame: Fasting, measured 90 minutes after the start of a single cancer treatment during the study visit at one time point during active cancer treatment.
Fasting Whole Body Oxygen Consumption - 90 Minutes Post
Fasting whole body oxygen consumption (VO2), which is assessed using indirect calorimetry in ml/min
Time frame: Fasting, measured 90 minutes after the start of a single cancer treatment during the study visit at one time point during active cancer treatment.
Fasting Resting Metabolic Rate (RMR) - 90 Minutes Post
Fasting resting metabolic rate (RMR), which is assessed using indirect calorimetry and measured in kcal/day.
Time frame: Fasting, measured 90 minutes after the start of a single cancer treatment during the study visit at one time point during active cancer treatment.
Fasting respiratory exchange ratio (RER) - 90 Minutes Post
Fasting respiratory exchange ratio (RER), which is assessed using indirect calorimetry.
Time frame: Fasting, measured 90 minutes after the start of a single cancer treatment during the study visit at one time point during active cancer treatment.
Fasting Whole Body Carbon Dioxide Production - 150 Minutes Post
Fasting whole body carbon dioxide production (VCO2), which is assessed using indirect calorimetry and measured in ml/min.
Time frame: Fasting, measured 150 minutes after the start of a single cancer treatment during the study visit at one time point during active cancer treatment.
Fasting Whole Body Oxygen Consumption - 150 Minutes Post
Fasting whole body oxygen consumption (VO2), which is assessed using indirect calorimetry in ml/min
Time frame: Fasting, measured 150 minutes after the start of a single cancer treatment during the study visit at one time point during active cancer treatment.
Fasting Resting Metabolic Rate (RMR) - 150 Minutes Post
Fasting resting metabolic rate (RMR), which is assessed using indirect calorimetry and measured in kcal/day.
Time frame: Fasting, measured 150 minutes after the start of a single cancer treatment during the study visit at one time point during active cancer treatment.
Fasting respiratory exchange ratio (RER) - 150 Minutes Post
Fasting respiratory exchange ratio (RER), which is assessed using indirect calorimetry.
Time frame: Fasting, measured 150 minutes after the start of a single cancer treatment during the study visit at one time point during active cancer treatment.
Fasting capillary blood glucose
Fasting capillary blood glucose (mg/dL)
Time frame: Fasting, measured at the start of the study visit at one time point during active cancer treatment.
Fasting capillary blood lactate
Fasting capillary blood lactate (mmol/L)
Time frame: Fasting, measured at the start of the study visit at one time point during active cancer treatment.
Fasting venous blood glucose
Fasting venous plasma glucose (mg/dL)
Time frame: Fasting, measured at the start of the study visit at one time point during active cancer treatment.
Fasting venous blood insulin
Fasting venous serum insulin (µlU/mL)
Time frame: Fasting, measured at the start of the study visit at one time point during active cancer treatment.
Fasting venous blood lactate
Fasting venous plasma blood lactate (mmol/L)
Time frame: Fasting, measured at the start of the study visit at one time point during active cancer treatment.
Fasting venous cholesterol (mg/dL)
Fasting venous cholesterol (mg/dL)
Time frame: Fasting, measured at the start of the study visit at one time point during active cancer treatment.
Fasting venous HDL (mg/dL)
Fasting venous HDL (mg/dL)
Time frame: Fasting, measured at the start of the study visit at one time point during active cancer treatment.
Fasting venous LDL (mg/dL)
Fasting venous LDL (mg/dL)
Time frame: Fasting, measured at the start of the study visit at one time point during active cancer treatment.
This platform is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.
Fasting venous VLDL (mg/dL)
Fasting venous VLDL (mg/dL)
Time frame: Fasting, measured at the start of the study visit at one time point during active cancer treatment.
Fasting venous triglycerides (mg/dL)
Fasting venous triglycerides (mg/dL)
Time frame: Fasting, measured at the start of the study visit at one time point during active cancer treatment.