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Sodium Fluoride (18F)

Sodium Fluoride (18F) is a radioactive tracer used in medical imaging, particularly in PET/CT scans. This article explores its application in clinical trials for various conditions, including fibrous dysplasia/McCune-Albright syndrome and transthyretin amyloid cardiomyopathy. We’ll discuss how this tracer is being used to enhance diagnostic capabilities and monitor treatment effectiveness in these studies.

Table of Contents

What is SODIUM FLUORIDE (18F)?

SODIUM FLUORIDE (18F), also known as Radio-Flu or Sodium Fluoride F-18, is a radioactive substance used in medical imaging[1]. It’s not a medication that treats diseases directly, but rather a diagnostic tool that helps doctors see what’s happening inside your body.

Medical Uses

SODIUM FLUORIDE (18F) is primarily used in a type of medical imaging called PET/CT (Positron Emission Tomography/Computed Tomography). This imaging technique is helpful in several medical conditions:

  • Bone disorders: It’s being studied in patients with a condition called Fibrous Dysplasia/McCune-Albright Syndrome, a disorder that affects bone development[1].
  • Heart conditions: Researchers are investigating its use in patients with Transthyretin Amyloid Cardiomyopathy, a heart condition where abnormal proteins build up in the heart[2].

In these conditions, SODIUM FLUORIDE (18F) can help doctors:

  • Measure the activity of bone lesions (abnormal areas of bone)[1]
  • Quantify microcalcification (tiny deposits of calcium) in the heart muscle[2]
  • Monitor how diseases progress over time
  • Evaluate how well treatments are working

How is it Administered?

SODIUM FLUORIDE (18F) is given as an intravenous injection. This means it’s injected directly into a vein, usually in your arm[1][2]. After the injection, you’ll undergo a PET/CT scan, which combines two types of imaging to create detailed pictures of your body.

Dosage Information

The dosage of SODIUM FLUORIDE (18F) can vary depending on the specific use and the patient’s characteristics. However, based on the available information:

  • The maximum daily dose is typically around 370 MBq/kg (megabecquerels per kilogram of body weight)[1]
  • In some studies, a dose of 2 MBq/kg is used[2]

It’s important to note that the exact dose will be determined by your healthcare provider based on your individual needs and the specific imaging requirements.

Current Clinical Trials

SODIUM FLUORIDE (18F) is currently being studied in several clinical trials:

  1. DEnosumab for the treatment of FIbrous Dysplasia/McCune-Albright Syndrome in adults (DeFiD): This study is using SODIUM FLUORIDE (18F) PET/CT to evaluate the activity of bone lesions in patients with Fibrous Dysplasia/McCune-Albright Syndrome. The imaging will help assess how well a drug called Denosumab works in treating this condition[1].

  2. i-Care; Quantitative-imaging in cardiac transthyretin amyloidosis: This study is using SODIUM FLUORIDE (18F) PET/CT to measure microcalcification in the heart muscle of patients with Transthyretin Amyloid Cardiomyopathy. The goal is to better understand and monitor this heart condition[2].

Safety Considerations

While SODIUM FLUORIDE (18F) is generally considered safe for diagnostic use, there are some important considerations:

  • It should not be used in pregnant or breastfeeding women[2].
  • It may not be suitable for people with severe kidney problems (with an estimated glomerular filtration rate less than 30 mL/min/1.73m2)[2].
  • As with any radioactive substance, its use is carefully controlled to minimize radiation exposure.

Always inform your healthcare provider about all your medical conditions and any medications you’re taking before undergoing any procedure involving SODIUM FLUORIDE (18F).

Aspect Details
Drug Name Sodium Fluoride (18F)
Primary Use Radioactive tracer for PET/CT imaging
Conditions Studied Fibrous Dysplasia/McCune-Albright Syndrome, Transthyretin Amyloid Cardiomyopathy
Administration Method Intravenous injection
Dosage Varies, typically measured in MBq/kg
Key Applications Quantification of bone lesion activity, myocardial microcalcification
Patient Exclusions Pregnant or breastfeeding women, certain medical conditions

FAQ

  • What is Sodium Fluoride (18F) used for in clinical trials? Sodium Fluoride (18F) is used as a radioactive tracer in PET/CT scans to visualize and quantify bone activity and myocardial microcalcification. In the trials discussed, it's being used to evaluate fibrous dysplasia lesions and to assess heart conditions like transthyretin amyloid cardiomyopathy.
  • How is Sodium Fluoride (18F) administered to patients? Sodium Fluoride (18F) is typically administered through intravenous injection. The dosage varies depending on the specific trial and condition being studied, but it's usually measured in megabecquerels (MBq) per kilogram of body weight.
  • Are there any side effects associated with Sodium Fluoride (18F)? The trials don't specifically mention side effects of Sodium Fluoride (18F). However, as with any radioactive tracer, there may be a small radiation exposure. Patients should discuss potential risks with their healthcare provider before participating in a trial.
  • How long does a Sodium Fluoride (18F) PET/CT scan take? The exact duration of the scan is not specified in the trial information. However, PET/CT scans typically take between 30 minutes to 2 hours, depending on the area being scanned and the specific protocol used.
  • Can Sodium Fluoride (18F) be used in pregnant or breastfeeding women? The trials explicitly exclude women who are pregnant, breastfeeding, or of child-bearing potential. This is a common precaution with radioactive tracers to avoid potential risks to the fetus or infant.

Ongoing Clinical Trials on Sodium Fluoride (18F)

  • Study on Sodium Fluoride (18F) PET-CT Scans for Detecting Bone Changes in Psoriasis Patients at Risk of Psoriatic Arthritis

    Recruiting

    2 1 1 1
    Investigated diseases:
    Investigated drugs:
    The Netherlands

  • Study on Denosumab for Treating Fibrous Dysplasia/McCune-Albright Syndrome in Adults

    Recruiting

    3 1 1
    Investigated diseases:
    Investigated drugs:
    The Netherlands

  • Study on Heart Amyloidosis Using Sodium Fluoride (18F) and Iodine (123I) Iobenguane for Patients with Transthyretin Amyloid Cardiomyopathy

    Not yet recruiting

    3 1 1 1
    Investigated drugs:
    The Netherlands

Glossary

  • PET/CT: Positron Emission Tomography/Computed Tomography, an imaging technique that combines PET and CT scans to provide detailed pictures of body structures and functions.
  • Fibrous Dysplasia/McCune-Albright Syndrome: A rare bone disorder where normal bone is replaced with fibrous tissue, leading to bone pain, deformities, and fractures.
  • Transthyretin Amyloid Cardiomyopathy: A condition where abnormal protein deposits (amyloids) build up in the heart, affecting its function.
  • Megabecquerel (MBq): A unit of measurement for radioactivity, equal to one million decays per second.
  • Myocardial Microcalcification: Tiny calcium deposits in heart muscle tissue, which can be a sign of various heart conditions.
  • Radioactive Tracer: A substance containing a radioactive isotope used to examine metabolic processes and visualize specific tissues or organs in medical imaging.
  • Intravenous Injection: The administration of a substance directly into a vein using a needle and syringe.

References

  1. http://clinicaltrials.eu/trial/study-on-denosumab-for-treating-fibrous-dysplasia-mccune-albright-syndrome-in-adults/
  2. http://clinicaltrials.eu/trial/study-on-heart-amyloidosis-using-sodium-fluoride-18f-and-iodine-123i-iobenguane-for-patients-with-transthyretin-amyloid-cardiomyopathy/