occasion Sodium Fluoride F 18 Injection Dosage Form: injection Professional Reviews Q & A More Indications and Usage for Sodium Fluoride F 18 Injection Sodium Fluoride F18 Injection, USP is indicated for diagnostic positron emission tomography (PET) imaging of bone to define areas of altered osteogenic activity. Slideshow Treatment of Opioid-Induced Constipation: The Hard Facts Sodium Fluoride F 18 Injection Dosage and Administration Radiation Safety - Drug Handling Wear waterproof gloves and effective shielding when handling Sodium Fluoride F 18 Injection. Use appropriate safety measures, including shielding, consistent with proper patient management to avoid unnecessary radiation exposure to the patient, occupational workers, clinical personnel, and other persons. Radiopharmaceuticals should be used by or under the control of physicians who are qualified by specific training and experience in the safe use and handling of radionuclides, and whose experience and training have been approved by the appropriate governmental agency authorized to license the use of radionuclides. Use aseptic technique to maintain sterility during all operations involved in the manipulation and administration of Sodium Fluoride F 18 Injection. The dose of Sodium Fluoride F 18 Injection should be minimized consistent with the objectives of the procedure, and the nature of the radiation detection devices employed. The final dose for the patient should be calculated using proper decay factors from the time of End of Synthesis (EOS), and measured by a suitable radioactivity calibration system before administration [see Description ( 11.2 )]. Radiation Safety - Patient Preparation To minimize the radiation-absorbed dose to the bladder, encourage adequate hydration. Encourage the patient to ingest at least 500 mL of fluid immediately prior and subsequent to the administration of Sodium Fluoride F 18 Injection. Encourage the patient to void one-half hour after administration of Sodium Fluoride F 18 Injection and as frequently thereafter as possible for the next 12 hours. Drug Preparation and Administration Calculate the necessary volume to administer based on calibration time and dose. Inspect Sodium Fluoride F 18 Injection visually for particulate matter and discoloration before administration, whenever solution and container permit. Do not administer Sodium Fluoride F 18 Injection containing particulate matter or discoloration; dispose of these unacceptable or unused preparations in a safe manner, in compliance with applicable regulations. Aseptically withdraw Sodium Fluoride F 18 Injection from its container. Recommended Dose for Adults Administer 300 MBq-450 MBq (8 mCi-12 mCi) as an intravenous injection. Recommended Dose for Pediatric Patients In reported clinical experience in approximately 100 children, weight based doses (2.1 MBq/kg) ranging from 19 MBq-148 MBq (0.5 mCi-4 mCi) were used. Radiation Dosimetry The age/weight- based estimated absorbed radiation doses (mGy/MBq) from intravenous injection of Sodium Fluoride F 18 Injection are shown in Table 1. These estimates were calculated based on human data and using the data published by the Nuclear Regulatory Commission [1] and the International Commission on Radiological Protection for Sodium Fluoride Injection [2]. The bone, bone marrow and urinary bladder are considered target and critical organs. Table 1. Estimate Absorbed Radiation Doses After Administration of Sodium Fluoride F 18 Injection Organ Estimated Radiation Dose mGy/MBq Adult 70 kg [1] 15 year 56.8 kg [2] 10 year 33.2 kg [2] 5 year 19.8 kg [2] 1 year 9.7 kg [2] Adrenals 0.0062 0.012 0.018 0.028 0.052 Brain 0.0056 N/A N/A N/A N/A Bone Surfaces 0.060 0.050 0.079 0.13 0.30 Breasts 0.0028 0.0061 0.0097 0.015 0.030 Gallbladder Wall 0.0044 N/A N/A N/A N/A Stomach Wall 0.0038 0.008 0.013 0.019 0.036 Small Intestine 0.0066 0.012 0.018 0.028 0.052 Upper large intestine wall 0.0058 0.010 0.016 0.026 0.046 Lower Large Intestine Wall 0.012 0.016 0.025 0.0037 0.063 Heart Wall 0.0039 N/A N/A N/A N/A Kidneys 0.019 0.025 0.036 0.053 0.097 Liver 0.0040 0.0084 0.013 0.021 0.039 Lungs 0.0041 0.0084 0.013 0.020 0.039 Muscle 0.0060 N/A N/A N/A N/A Ovaries 0.011 0.016 0.023 0.036 0.063 Pancreas 0.0048 0.0096 0.015 0.023 0.044 Red marrow 0.028 0.053 0.088 0.18 0.38 Skin 0.0040 N/A N/A N/A N/A Spleen 0.0042 0.0088 0.014 0.021 0.041 Testes 0.0078 0.013 0.021 0.033 0.062 Thymus 0.0035 N/A N/A N/A N/A Thyroid 0.0044 0.0084 0.013 0.020 0.036 Urinary bladder wall 0.25 0.27 0.4 0.61 1.1 Uterus 0.019 0.023 0.037 0.057 0.099 Other Tissues N/A 0.010 0.015 0.024 0.044 Effective Dose Equivalent mSv/MBq 0.027 0.034 0.052 0.086 0.17 [1] Data from Nuclear Regulatory Commission Report, Radiation Dose Estimates for Radiopharmaceuticals, NUREG/CR-6345, page 10, 1996. [2] Data from ICRP publication 53, Radiation Dose to Patients from Radiopharmaceuticals , Ann ICRP, Volume 18, pages 15 and 74, 1987 Imaging Guidelines Imaging of Sodium Fluoride F 18 Injection can begin 1 2 hours after administration; optimally at 1 hour post administration. Encourage the patient to void immediately prior to imaging the fluoride F18 radioactivity in the lumbar spine or bony pelvis. Dosage Forms and Strengths Multiple-dose vial containing 370 MBq/mL-7,400 MBq/mL (10 mCi/mL-200 mCi/mL) at EOS reference time of no-carrier-added sodium fluoride F 18 in aqueous 0.9% sodium chloride solution. Sodium Fluoride F 18 Injection is a clear, colorless, sterile, pyrogen-free and preservative-free solution for intravenous administration. Contraindications None. Warnings and Precautions Allergic Reactions As with any injectable drug product, allergic reactions and anaphylaxis may occur. Emergency resuscitation equipment and personnel should be immediately available. Radiation Risks Sodium Fluoride F 18 Injection may increase the risk of cancer. Carcinogenic and mutagenic studies with Sodium Fluoride F 18 Injection have not been performed. Use the smallest dose necessary for imaging and ensure safe handling to protect the patient and health care worker [see Dosage and Administration ( 2.1 )] . Adverse Reactions No adverse reactions have been reported for Sodium Fluoride F 18 Injection based on a review of the published literature, publicly available reference sources, and adverse drug reaction reporting systems. However, the completeness of these sources is not known. Drug Interactions The possibility of interactions of Sodium Fluoride F 18 Injection with other drugs taken by patients undergoing PET imaging has not been studied. USE IN SPECIFIC POPULATIONS Pregnancy Pregnancy Category C Any radiopharmaceutical including Sodium Fluoride F 18 Injection has a potential to cause fetal harm. The likelihood of fetal harm depends on the stage of fetal development, and the radionuclide dose. Animal reproductive and developmental toxicity studies have not been conducted with Sodium Fluoride F 18 Injection. Prior to the administration of Sodium Fluoride F 18 Injection to women of childbearing potential, assess for presence of pregnancy. Sodium Fluoride F 18 Injection should be given to a pregnant woman only if clearly needed. Nursing Mothers It is not known whether Sodium Fluoride F 18 Injection is excreted into human milk. Because many drugs are excreted in human milk and because of the potential for serious adverse reactions in nursing infants, a decision should be made whether to interrupt nursing after administration of Sodium Fluoride F 18 Injection or not to administer Sodium Fluoride F 18 Injection, taking into account the importance of the drug to the mother. The body of scientific information related to radioactivity decay, drug tissue distribution and drug elimination shows that less than 0.01% of the radioactivity administered remains in the body after 24 hours (10 half-lives). To minimize the risks to a nursing infant, interrupt nursing for at least 24 hours. Pediatric Use In reported clinical experience in approximately 100 children, weight based doses (2.1 MBq/kg) ranging from 19 MBq-148 MBq (0.5 mCi-4 mCi) were used. Sodium Fluoride F 18 Injection was shown to localize to areas of bone turnover including rapidly growing epiphyses in developing long bones. Children are more sensitive to radiation and may be at higher risk of cancer from Sodium Fluoride F 18 Injection. Sodium Fluoride F 18 Injection Description Chemical Characteristics Sodium Fluoride F 18 Injection, USP is a positron emitting radiopharmaceutical, containing no-carrier-added, radioactive fluoride F 18 that is used for diagnostic purposes in conjunction with PET imaging. It is administered by intravenous injection. The active ingredient, sodium fluoride F 18, has the molecular formula Na[18F] with a molecular weight of 40.99, and has the following chemical structure: Na + 18 F Sodium Fluoride F 18 Injection, USP is provided as a ready-to-use, isotonic, sterile, pyrogen-free, preservative-free, clear and colorless solution. Each mL of the solution contains between 370 MBq to 7,400 MBq (10 mCi-200 mCi) sodium fluoride F 18, at the EOS reference time, in 0.9% aqueous sodium chloride. The pH of the solution is between 4.5 and 8. The solution is presented in 30 mL multiple- dose glass vials with variable total volume and total radioactivity in each vial. Physical Characteristics Fluoride F 18 decays by positron (β+) emission and has a half-life of 109.7 minutes. Ninety-seven percent of the decay results in emission of a positron with a maximum energy of 633 keV and 3% of the decay results in electron capture with subsequent emission of characteristic X-rays of oxygen. The principal photons useful for diagnostic imaging are the 511 keV gamma photons, resulting from the interaction of the emitted positron with an electron (Table 2). Fluorine F 18 atom decays to stable 18O-oxygen. Table 2. Principal Radiation Emission Data for Fluorine F 18 Injection Radiation/Emission % Per Disintegration Mean Energy Positron(β+) 96.73 249.8 keV Gamma ( )* 193.46 511.0 keV *Produced by positron annihilation [3] Kocher, D.C. Radioactive Decay Tables DOE/TIC-I 1026, 89 (1981) The specific gamma ray constant (point source air kerma coefficient) for fluorine F 18 is 5.7 R/hr/mCi (1.35 x 10 -6 Gy/hr/kBq) at 1 cm. The half-value layer (HVL) for the 511 keV photons is 4 mm lead (Pb). The range of attenuation coefficients for this radionuclide as a function of lead shield thickness is shown in Table 3. For example, the interposition of an 8.3 mm thickness of Pb, with a coefficient of attenuation of 0.25, will decrease the external radiation by 75%. Table 3. Radiation Attenuation of 511 keV Photons by lead (Pb) shielding Shield thickness (Pb) mm Coefficient of Attenuation 0 0.00 4 0.50 8 0.25 13 0.10 26 0.01 39 0.001 52 0.0001 Table 4 lists the fraction of radioactivity remaining at selected time intervals from the calibration time. This information may be used to correct for physical decay of the radionuclide. Table 4. Physical Decay Chart For Fluorine F 18 Time Since Calibration Fraction Remaining 0* 1.00 15 minutes 0.909 30 minutes 0.826 60 minutes 0.683 110 minutes 0.500 220 minutes 0.250 440 minutes 0.060 12 hours 0.011 24 hours 0.0001 *calibration time Sodium Fluoride F 18 Injection - Clinical Pharmacology Mechanism of Action Fluoride F 18 ion normally accumulates in the skeleton in an even fashion, with greater deposition in the axial skeleton (e.g. vertebrae and pelvis) than in the appendicular skeleton and greater deposition in the bones around joints than in the shafts of long bones. Pharmacodynamics Increased fluoride F 18 ion deposition in bone can occur in areas of increased osteogenic activity during growth, infection, malignancy (primary or metastatic) following trauma, or inflammation of bone. Pharmacokinetics After intravenous administration, fluoride F 18 ion is rapidly cleared from the plasma in a biexponential manner. The first phase has a half-life of 0.4 h, and the second phase has a half-life of 2.6 h. Essentially all the fluoride F 18 that is delivered to bone by the blood is retained in the bone. One hour after administration of fluoride, F 18 only about 10% of the injected dose remains in the blood. Fluoride F 18 diffuses through capillaries into bone extracellular fluid space, where it becomes bound by chemisorption at the surface of bone crystals, preferentially at sites of newly mineralizing bone. Deposition of fluoride F 18 in bone appears to be primarily a function of blood flow to the bone and the efficiency of the bone in extracting the fluoride F18. Fluoride F18 does not appear to be bound to serum proteins. In patients with normal renal function, 20% or more of the fluorine ion is cleared from the body in the urine within the first 2 hours after intravenous administration. Nonclinical Toxicology Carcinogenesis and Mutagenesis and Impairment of Fertility Studies to assess reproductive toxicity, mutagenesis and carcinogenesis potential of Sodium Fluoride F 18 Injection have not been performed. Clinical Studies Metastatic Bone Disease The doses used in reported studies ranged from 2.7 mCi-20 mCi (100 MBq-740 MBq), with an average median dose of 10 mCi (370 MBq) and an average mean dose of 9.2 mCi (340 MBq). In PET imaging of bone metastases with Sodium Fluoride F 18 Injection, focally increased tracer uptake is seen in both osteolytic and osteoblastic bone lesions. Negative PET imaging results with Sodium Fluoride F 18 Injection do not preclude the diagnosis of bone metastases. Also, as benign bone lesions are also detected by Sodium Fluoride F 18 Injection, positive PET imaging results cannot replace biopsy to confirm a diagnosis of cancer. Other Bone Disorders The doses used in reported studies ranged from 2.43 mCi to15 mCi (90 MBq to 555 MBq), with an average median dose of 8.0 mCi (300 Mbq) and an average mean dose of 7.6 mCi (280 MBq). REFERENCES 1. Stabin, M.G., Stubbs, J.B. and Toohey R.E., Radiation Dose Estimates for Radiopharmaceuticals, U.S. Nuclear Regulatory Commission report NUREG/CR-6345, page 10, 1996. 2. Radiation Dose to Patients from Radiopharmaceuticals, ICRP publication 53, Ann ICRP, 18 pages 15 and 74, 1987 3. Kocher, D.C., "Radioactive Decay Data Tables: A Handbook of decay data for application to radiation dosimetry and radiological assessments" DOE/TIC-11026, page 69, 1981. How is Sodium Fluoride F 18 Injection Supplied Sodium Fluoride F 18 Injection, USP is supplied in a multiple-dose Type I glass vial with elastomeric stopper and aluminum crimp seal containing between 370 MBq/mL and 7,400 MBq/mL (10 mCi/mL-200 mCi/mL) of no carrier-added sodium fluoride F18, at the EOS reference time, in aqueous 0.9% sodium chloride solution. The total volume and total radioactivity per vial are variable. Each vial is enclosed in a shielded container of appropriate thickness. The product is available in a 30 mL vial configuration with a variable fill volume. The NDC number is: 69126-002-01 (30 mL) Storage Store at 25 C (77 F) in a shielded container; excursions permitted to 15 30 C (59 86 F). Use the solution within 12 hours of the EOS reference time. Handling Receipt, transfer, handling, possession, or use of this product is subject to the radioactive material regulations and licensing requirements of the U.S. Nuclear Regulatory Commission, Agreement States or Licensing States as appropriate. Patient Counseling Information Pre-study Hydration Encourage patients to drink at least 500 mL of water prior to drug administration. Post-study Voiding To help protect themselves and others in their environment, patients should take the following precautions for 12 hours after injection: whenever possible, use a toilet and flush several times after each use; wash hands thoroughly after each voiding or fecal elimination. If blood, urine or feces soil clothing, wash the clothing separately. Manufactured for: Zevacor Molecular at Decatur Memorial Hospital Center for Advanced Molecular Medicine 2300 North Edward Street, Suite 100 Decatur, IL 62526 Manufactured by: Zevacor Molecular 7715 Loma Court, Suite C Fishers, IN 46038 Distributed by: Zevacor Molecular 7715 Loma Court, Suite C Fishers, IN 46038 09/2014 PRINCIPAL DISPLAY PANEL SODIUM FLUORIDE F 18 Sodium Fluoride F 18 Injection Product Information Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:69126-002 Route of Administration INTRAVENOUS DEA Schedule Active Ingredient/Active Moiety Ingredient Name Basis of Strength Strength FLUORIDE ION F-18 (FLUORIDE ION F-18) FLUORIDE ION F-18 10 mCi in 1 mL Inactive Ingredients Ingredient Name Strength SODIUM CHLORIDE Packaging # Item Code Package Description 1 NDC:69126-002-01 30 mL in 1 VIAL, MULTI-DOSE Marketing Information Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date ANDA ANDA204464 10/31/2014 Labeler - Global Isotopes, LLC d/b/a Zevacor Molecular (078800127) Revised: 11/2017 Global Isotopes, LLC d/b/a Zevacor Molecular Next User Reviews Print this page Add to My Med List More about sodium fluoride f-18 Support Group 0 Reviews Add your own review/rating Drug class: diagnostic radiopharmaceuticals} FEATURED: CAR-T Cell Therapy Overview Mechanism of Action KTE-C19 Studies KTE-C19 Cancer Targets Adverse Events Manufacturing Drug Status Rx Availability Prescription only C Pregnancy Category Risk cannot be ruled out N/A CSA Schedule Not a controlled drug Approval History Drug history at FDA Manufacturers Sandoz Inc. Major Pharmaceuticals Cardinal Health Drug Class Diagnostic radiopharmaceuticals Related Drugs diagnostic radiopharmaceuticals Xofigo , sodium fluoride f-18 , indium oxyquinoline in-111 , fludeoxyglucose f18 , Vizamyl Sodium fluoride f-18 Rating No Reviews - Be the first! No Reviews - Be the first! Not Rated - Be the first!} } due to
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