locametz - Medication Listings
Browse 2 medications by locametz. Open a product record to review strengths, dosage forms, label-backed details, and related navigation.
11.1 Chemical Characteristics LOCAMETZ (kit for the preparation of gallium Ga 68 gozetotide injection) is a sterile, radioactive diagnostic agent for intravenous administration after radiolabeling. Each vial contains 25 micrograms of gozetotide, 1 mg gentisic acid, 78 mg of sodium acetate trihydrate, and 40 mg sodium chloride. Gozetotide is also known as PSMA-11. After reconstitution and radiolabeling of LOCAMETZ, the vial contains gallium Ga 68 gozetotide injection at a radioactivity of up to 2,590 MBq (70 mCi) in up to 10 mL at calibration date and time. The vial also contains hydrochloric acid derived from the gallium-68 chloride solution. Gallium Ga 68 gozetotide injection has a pH between 3.2 to 6.5. Gallium Ga 68 gozetotide is a urea based peptidomimetic that has a covalently bound chelator (HBED-CC). The peptide has amino acid sequence OH-Glu-CO-Lys(Ahx-CC-HBED)-OH. Gallium Ga 68 gozetotide has a molecular weight of 1011.91 g/mol. The chemical structure is shown in Figure 3. Figure 3. Chemical Structure of Gallium Ga 68 Gozetotide 11.2 Physical Characteristics Gallium-68 decays with a half-life of 68 minutes to stable zinc-68. Table 4 and Table 5 display the principle radiation emission data, and physical decay of gallium-68. Table 4. Principal Radiation Emission Data (> 1%) for Gallium-68 Radiation/Emission % Disintegration Mean energy (MeV) beta+ 88% 0.8360 beta+ 1.1% 0.3526 Gamma 178% 0.5110 Gamma 3% 1.0770 X-ray 2.8% 0.0086 X-ray 1.4% 0.0086 Table 5. Physical Decay Chart for Gallium-68 Minutes Fraction remaining 0 1 15 0.858 30 0.736 60 0.541 90 0.398 120 0.293 180 0.158 240 0.086 360 0.025 11.3 Radiation Attenuation Table 6 displays the radiation attenuation by lead shielding of gallium-68. Table 6. Radiation Attenuation of 511 keV Photons by Lead (Pb) Shielding Shield thickness (Pb) mm Coefficient of attenuation 6 0.5 12 0.25 17 0.1 34 0.01 51 0.001 Figure 3. Chemical Structure of Gallium Ga 68 Gozetotide
11.1 Chemical Characteristics LOCAMETZ (kit for the preparation of gallium Ga 68 gozetotide injection) is a sterile, radioactive diagnostic agent for intravenous administration after radiolabeling. Each vial contains 25 micrograms of gozetotide, 1 mg gentisic acid, 78 mg of sodium acetate trihydrate, and 40 mg sodium chloride. Gozetotide is also known as PSMA-11. After reconstitution and radiolabeling of LOCAMETZ, the vial contains gallium Ga 68 gozetotide injection at a radioactivity of up to 2,590 MBq (70 mCi) in up to 10 mL at calibration date and time. The vial also contains hydrochloric acid derived from the gallium-68 chloride solution. Gallium Ga 68 gozetotide injection has a pH between 3.2 to 6.5. Gallium Ga 68 gozetotide is a urea based peptidomimetic that has a covalently bound chelator (HBED-CC). The peptide has amino acid sequence OH-Glu-CO-Lys(Ahx-CC-HBED)-OH. Gallium Ga 68 gozetotide has a molecular weight of 1011.91 g/mol. The chemical structure is shown in Figure 3. Figure 3. Chemical Structure of Gallium Ga 68 Gozetotide 11.2 Physical Characteristics Gallium-68 decays with a half-life of 68 minutes to stable zinc-68. Table 4 and Table 5 display the principle radiation emission data, and physical decay of gallium-68. Table 4. Principal Radiation Emission Data (> 1%) for Gallium-68 Radiation/Emission % Disintegration Mean energy (MeV) beta+ 88% 0.8360 beta+ 1.1% 0.3526 Gamma 178% 0.5110 Gamma 3% 1.0770 X-ray 2.8% 0.0086 X-ray 1.4% 0.0086 Table 5. Physical Decay Chart for Gallium-68 Minutes Fraction remaining 0 1 15 0.858 30 0.736 60 0.541 90 0.398 120 0.293 180 0.158 240 0.086 360 0.025 11.3 Radiation Attenuation Table 6 displays the radiation attenuation by lead shielding of gallium-68. Table 6. Radiation Attenuation of 511 keV Photons by Lead (Pb) Shielding Shield thickness (Pb) mm Coefficient of attenuation 6 0.5 12 0.25 17 0.1 34 0.01 51 0.001 Figure 4. Chemical Structure of Gozetotide
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