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Glucose

This article examines various clinical trials investigating the use of glucose and its derivatives in medical applications. These trials cover a wide range of areas, including brain tumor imaging, cancer detection, athletic performance enhancement, and pediatric surgery. The studies aim to evaluate the safety, efficacy, and potential benefits of glucose-based compounds in different medical contexts.

Table of Contents

What is Glucose?

Glucose is a simple sugar that serves as the primary source of energy for our bodies. In medical settings, glucose solutions are used in various ways to help patients. These solutions come in different concentrations, such as 10%, 30%, or 50%, depending on the specific medical need[1][3][4].

Uses in Medical Procedures

Glucose has several applications in medical procedures:

  • Sedation alternative for newborns: In some cases, a 30% glucose solution is used to help keep newborns still during MRI scans. This method can reduce the need for sedation, which can have side effects[1].
  • Blood sugar management: Glucose solutions are used to treat low blood sugar levels in patients[1].
  • Contrast agent in imaging: Glucose can be used as a safe, biodegradable contrast agent in certain types of MRI scans[4].

Treatment of Diabetic Neuropathic Pain

Recent research has explored using glucose to treat diabetic neuropathic pain, a common complication of diabetes that causes nerve pain. In one study, a 10% glucose solution was injected under the skin near nerves in the foot. This treatment showed promise in reducing pain and improving nerve function in diabetic patients[3].

The effectiveness of this treatment was measured using two scales:

  1. Visual Analogue Scale (VAS): This scale measures pain severity from 0 to 10, where 0 means no pain and 10 means severe pain.
  2. Michigan Neuropathy Screening Instrument (MNSI): This tool assesses the signs and symptoms of diabetic neuropathy through a questionnaire and physical examination.

Glucose in Imaging Techniques

Glucose is being studied as a new way to improve certain types of MRI scans, particularly for brain tumors. This technique is called Dynamic Glucose Enhanced (DGE) MRI, which uses a special type of imaging called Chemical Exchange Saturation Transfer (CEST)[4].

In this procedure, a 50% glucose solution (also called D50 or 50% dextrose) is injected into the patient’s vein. The glucose then travels to the brain, where it can be detected by the MRI scanner. This method may help doctors better see and understand brain tumors without using traditional contrast agents that some patients may be allergic to or that may cause other side effects[4].

Glucose in Dialysis

For patients undergoing hemodialysis (a process to filter blood in people with kidney failure), adding glucose to the dialysis fluid is being studied. Researchers are investigating whether this addition could help improve blood pressure control and quality of life for dialysis patients[2].

Safety and Considerations

While glucose is generally safe and naturally present in our bodies, its use in medical procedures should always be supervised by healthcare professionals. Some important points to consider:

  • Blood sugar levels are typically monitored when glucose solutions are used, especially in newborns or diabetic patients[1][3].
  • The concentration and amount of glucose used vary depending on the specific medical procedure and patient needs.
  • Patients with diabetes should inform their doctors before any procedure involving glucose administration, as it may affect their blood sugar levels.

Remember, while these studies show promising results for various uses of glucose in medical settings, many are still in the research phase. Always consult with your healthcare provider for the most up-to-date and personalized medical advice.

Application Glucose Form Purpose Key Findings/Objectives
Brain Tumor Imaging D-glucose Contrast agent for MRI Evaluating glucoCEST MRI for brain tumor detection and assessment
Cancer Detection 18F-2-fluoro-2-deoxy-D-glucose (FDG) PET imaging tracer Assessing safety and efficacy in detecting various cancers and abnormalities
Athletic Performance Oral dextrose solutions Potential ergogenic aid Comparing effects on blood sugar, VO2 max, and sprint speed in soccer players
Pediatric Surgery Intravenous dextrose solutions Intraoperative fluid management Identifying optimal glucose concentrations to prevent metabolic disturbances
Cancer Treatment 2-deoxy-D-glucose (2DG) Potential anti-cancer therapy Evaluating safety, tolerability, and efficacy in combination with chemotherapy

FAQ

  • How is glucose being used in brain tumor imaging? Glucose and its derivatives are being used as contrast agents in brain tumor imaging. For example, one study is evaluating the use of D-glucose weighted chemical exchange saturation transfer (glucoCEST) MRI to detect and assess brain tumors based on their increased glucose uptake compared to normal brain tissue.
  • What is the purpose of using glucose in PET scans? Glucose derivatives like 18F-2-fluoro-2-deoxy-D-glucose (FDG) are used in PET scans to detect cancer and other abnormalities. These compounds are taken up more readily by cancer cells due to their higher metabolic activity, allowing for visualization of tumors and metastases.
  • How is glucose being studied in relation to athletic performance? One study is comparing the effects of oral dextrose (a form of glucose) versus sodium dextrose solutions on blood sugar levels, VO2 max, and sprint speed in soccer players. The goal is to evaluate the potential ergogenic (performance-enhancing) effects of these solutions.
  • Why is glucose being investigated in pediatric surgery? A clinical trial is examining the use of different concentrations of dextrose-containing intravenous fluids during pediatric surgery. The aim is to find an appropriate glucose concentration that can prevent glucose and lipid mobilization without causing hypo/hyperglycemia while providing adequate fluid maintenance.
  • What is 2-deoxy-D-glucose (2DG) and how is it being studied in cancer treatment? 2-deoxy-D-glucose (2DG) is a synthetic glucose analog being investigated as a potential anti-cancer therapy. It works by exploiting the differences in metabolism between normal and malignant cells, potentially blocking glycolysis in cancer cells and enhancing the effects of chemotherapy.

Ongoing Clinical Trials on Glucose

  • Study on Tirzepatide for Women with Overweight or Obesity and Polycystic Ovary Syndrome (PCOS)

    Recruiting

    1 1 1
    Investigated diseases:
    Investigated drugs:
    Germany

  • Study on Glucose Use in Adults with Severe Burns

    Recruiting

    1 1 1
    Investigated diseases:
    Investigated drugs:
    France

  • Study on Low-Dose Aldesleukin for Patients with Pemphigus, Mucous Membrane Pemphigoid, Polymyositis, Dermatomyositis, and Primary Sclerosing Cholangitis

    Recruiting

    1 1
    Investigated diseases:
    Investigated drugs:
    Germany

  • Study on Using Desmopressin Acetate Trihydrate to Prevent Sodium Overcorrection in Patients with Severe Hyponatremia

    Recruiting

    1 1 1 1
    Investigated drugs:
    France

  • Study on Dinutuximab Beta with Chemotherapy for Children and Teens with Newly Diagnosed High-Risk Neuroblastoma

    Recruiting

    1 1 1
    Investigated diseases:
    Investigated drugs:
    Austria France Germany Italy The Netherlands Poland +1

  • Study comparing 3-week versus 6-week antibiotic treatment for patients with drained pyogenic liver abscess

    Not yet recruiting

    1 1 1 1
    Investigated drugs:
    France

  • Study of dexmedetomidine versus placebo to reduce opioid use in premature babies requiring mechanical ventilation for respiratory distress

    Not yet recruiting

    1 1 1
    Investigated drugs:
    France

  • Study of antibiotic treatment effectiveness in critically ill patients receiving drug combination therapy

    Not yet recruiting

    1 1 1 1
    Investigated drugs:
    France

  • Study of TOL2 safety and immune response in patients with generalized myasthenia gravis

    Not yet recruiting

    1 1
    Investigated diseases:
    Investigated drugs:
    Denmark Germany Sweden

  • Study on Methylprednisolone and Human Normal Immunoglobulin for Treating Fulminant Myocarditis in Patients

    Not yet recruiting

    1 1
    Investigated diseases:
    Investigated drugs:
    France

Glossary

  • Chemical Exchange Saturation Transfer (CEST): An MRI technique that detects specific molecules by exploiting the exchange of protons between water and the target molecule, enhancing contrast in medical imaging.
  • Positron Emission Tomography (PET): A nuclear medicine imaging technique that uses radioactive tracers to visualize and measure metabolic processes in the body, often used in cancer detection and brain imaging.
  • 18F-2-fluoro-2-deoxy-D-glucose (FDG): A radioactive glucose analog used in PET imaging. It is taken up by cells with high glucose metabolism, such as cancer cells, allowing for their visualization.
  • Ergogenic: Referring to the enhancement of physical performance, stamina, or recovery.
  • VO2 max: The maximum rate of oxygen consumption measured during incremental exercise, used as an indicator of cardiorespiratory fitness and endurance performance.
  • Glycolysis: A metabolic pathway that breaks down glucose to produce energy, which is particularly important in cancer cells.
  • Hypoglycemia: A condition characterized by abnormally low blood glucose levels, which can cause symptoms such as dizziness, confusion, and in severe cases, loss of consciousness.
  • Hyperglycemia: A condition characterized by abnormally high blood glucose levels, which can lead to various health complications if chronic.
  • Base Excess: A measure used in acid-base balance assessment, indicating the amount of excess or deficit of buffer base in the blood.
  • 2-deoxy-D-glucose (2DG): A synthetic glucose analog being studied as a potential anti-cancer therapy due to its ability to interfere with cellular glucose metabolism.

References

  1. https://clinicaltrials.gov/study/NCT02325583
  2. https://clinicaltrials.gov/study/NCT00278057
  3. https://clinicaltrials.gov/study/NCT04097691
  4. https://clinicaltrials.gov/study/NCT04945499