Tetrofosmin
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Questions & Answers
Side Effects & Adverse Reactions
There is currently no warning information available for this product. We apologize for any inconvenience.
Legal Issues
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FDA Safety Alerts
There are currently no FDA safety alerts available for this drug.
Manufacturer Warnings
There is currently no manufacturer warning information available for this drug.
FDA Labeling Changes
There are currently no FDA labeling changes available for this drug.
Uses
Tetrofosmin is a diagnostic agent used to assess areas of reversible myocardial ischemia in the presence or absence of infracted myocardium and is also used to assess ventricular function.
PHYSICAL HALF-LIFE & TARGET ORGANS
The physical half-life of technetium, Tc99m, is 6 hours and has a principal radiation emission of gamma photons with a mean energy of 140 KeV.
| Absorbed radiation dose | ||||
| Exercise | Rest | |||
| Target organ | rad/mCi | µGy/MBq | rad/mCi | µGy/MBq |
| Gall bladder wall | 0.123 | 33.2 | 0.180 | 48.6 |
| Upper large intestine | 0.075 | 20.1 | 0.113 | 30.4 |
| Bladder wall | 0.058 | 15.6 | 0.071 | 19.3 |
| Lower large intestine | 0.057 | 15.3 | 0.082 | 22.2 |
| Small intestine | 0.045 | 12.1 | 0.063 | 17.0 |
| Kidney | 0.039 | 10.4 | 0.046 | 12.5 |
| Salivary glands | 0.030 | 8.04 | 0.043 | 11.6 |
| Ovaries | 0.029 | 7.88 | 0.035 | 9.55 |
| Uterus | 0.027 | 7.34 | 0.031 | 8.36 |
| Bone surface | 0.023 | 6.23 | 0.021 | 5.58 |
| Pancreas | 0.019 | 5.00 | 0.018 | 4.98 |
| Stomach | 0.017 | 4.60 | 0.017 | 4.63 |
| Thyroid | 0.016 | 4.34 | 0.022 | 5.83 |
| Adrenals | 0.016 | 4.32 | 0.015 | 4.11 |
| Heart wall | 0.015 | 4.14 | 0.015 | 3.93 |
| Red marrow | 0.015 | 4.14 | 0.015 | 3.97 |
| Spleen | 0.015 | 4.12 | 0.014 | 3.82 |
| Muscle | 0.013 | 3.52 | 0.012 | 3.32 |
| Testes | 0.013 | 3.41 | 0.011 | 3.05 |
| Liver | 0.012 | 3.22 | 0.015 | 4.15 |
| Thymus | 0.012 | 3.11 | 0.009 | 2.54 |
| Brain | 0.010 | 2.72 | 0.008 | 2.15 |
| Lungs | 0.008 | 2.27 | 0.008 | 2.08 |
| Skin | 0.008 | 2.22 | 0.007 | 1.91 |
| Breasts | 0.008 | 2.22 | 0.007 | 1.83 |
Dose calculations were performed using the standard MIRD method (MIRD Pamphlet No.1 (rev),Society of Nuclear Medicine, 1976).
Effective dose equivalents (EDE) were calculated in accordance with ICRP 53 (Ann. ICRP 18 (1-4),1988) and gave values of 8.61 × 10-3 mSV/MBq and 1.12 × 10-2 mSV/MBq after exercise and rest, respectively.
History
There is currently no drug history available for this drug.
Other Information
AnazaoHealth’s compounded Tetrofosmin vial is a sterile, non-pyrogenic preparation that consists of a lyophilized mixture of 0.35 mg of Tetrofosmin, 1.5 mg of D-Gluconate, 0.03 mg of Stannous Chloride Dihydrate, 0.48 mg of Disodium Sulphosalicylate, and 2.7 mg of Sodium Hydrogen Carbonate and is maintained under an inert nitrogen atmosphere. It contains no antimicrobrial preservative.
Sources
Tetrofosmin Manufacturers
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Anazaohealth Corporation
![Tetrofosmin Injection, Powder, Lyophilized, For Solution [Anazaohealth Corporation]](/wp-content/themes/bootstrap/assets/img/loading2.gif)
Tetrofosmin | Anazaohealth Corporation
Depending on the protocol for rest/stress imaging, doses of 10 to 30 mCi (370 to 1110 MBq) are given intravenously
PREPARATION
Snap off the plastic lid and place in appropriate lead shielding. Wipe the septum with 70% isopropyl alcohol and allow it to dry. Using a 10 mL syringe, dilute up to 360 mCi of Tc99m with saline and add to vial. The total volume should be between 6 mL -12 mL and the Tc99m concentration should not exceed 30 mCi/mL (360 mCi/12 mL). After adding the Tc99m, insert a 0.22 µm filtered vent needle and, using a separate syringe, withdraw 3 mL of gas from the vial, allowing sterile filtered air into the vial. Remove vent needle and syringe. Mix gently and invert several times for 10 seconds. Let stand for 15 minutes at room temperature as the complexes form. Inspect vial through a lead glass shield for particulate matter. Do not use if the solution is not clear. Store at 2°- 8°C (36°- 46°F) and use within 12 hours after mixing. Radiochemical purity should be at least 90% prior to administration QC info: Solvent – Ethyl Acetate, Strip – Whatman CHR% Tag = top counts/total counts X 100%STORAGE
The preparation should be stored in the refrigerator at 2- 8(C (36 - 46(F) and protected from light.
-
Anazaohealth Corporation
Tetrofosmin | Anazaohealth Corporation
Depending on the protocol for rest/stress imaging, doses of 10 to 30 mCi (370 to 1110 MBq) are given intravenously
PREPARATION
Snap off the plastic lid and place in appropriate lead shielding. Wipe the septum with 70% isopropyl alcohol and allow it to dry. Using a 10 mL syringe, dilute up to 360 mCi of Tc99m with saline and add to vial. The total volume should be between 6 mL -12 mL and the Tc99m concentration should not exceed 30 mCi/mL (360 mCi/12 mL). After adding the Tc99m, insert a 0.22 µm filtered vent needle and, using a separate syringe, withdraw 3 mL of gas from the vial, allowing sterile filtered air into the vial. Remove vent needle and syringe. Mix gently and invert several times for 10 seconds. Let stand for 15 minutes at room temperature as the complexes form. Inspect vial through a lead glass shield for particulate matter. Do not use if the solution is not clear. Store at 2°- 8°C (36°- 46°F) and use within 12 hours after mixing. Radiochemical purity should be at least 90% prior to administration QC info: Solvent – Ethyl Acetate, Strip – Whatman CHR% Tag = top counts/total counts X 100%STORAGE
The preparation should be stored in the refrigerator at 2- 8(C (36 - 46(F) and protected from light.
![Tetrofosmin Injection, Powder, Lyophilized, For Solution [Anazaohealth Corporation]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=73c67954-938f-4bcc-be48-a5a38094fee3&name=89513168-figure-01.jpg)
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