vizamyl
Vizamyl (Flutemetamol F-18) is a medication supplied as a solution.
Flutemetamol F-18 · by Ge Healthcare
Key facts
- Active ingredient
- Flutemetamol F-18
- Form
- Solution
- Strength
- Flutemetamol F-18 121.5mCi/30ML (4.05mCi/ML) · Flutemetamol F-18 40.5mCi/10ML (4.05mCi/ML)
- Type
- Prescription (Rx)
- Brand or generic
- Brand-name
- Manufacturer
- Ge Healthcare
- FDA application
- NDA203137
What is Vizamyl?
From the FDA label:11.1 Drug Characteristics VIZAMYL (flutemetamol F 18 injection) is a radioactive diagnostic drug for intravenous use. Chemically, flutemetamol F 18 is 2-[3-[ 18 F]fluoro-4-(methylamino) phenyl]-6-benzothiazolol. It has the molecular formula C 14 H 11 18 FN 2 OS, the molecular weight 273.32, and the following structural formula: VIZAMYL is a sterile, non-pyrogenic, clear, colorless to slightly yellow solution. Each mL contains up to 2 mcg of flutemetamol and 150 MBq (4.05 mCi) of flutemetamol F 18 at reference date and time with the following inactive ingredients: 70 microL ethanol, 9 mg sodium chloride, and 4.98 mg polysorbate 80 (w/v) in 0.014 M aqueous phosphate buffer. The pH of the solution is between 6 and 8.5. Chemical Structure 11.2 Nuclear Physical Characteristics Fluorine-18 (F 18) decays by positron emission (ß+ decay, 96.7%) and orbital electron capture (3.3%) to stable oxygen-18 and has a physical half-life of 109.8 minutes. The principal photons useful for diagnostic imaging are the coincident pair of 511 keV gamma photons, resulting from the interaction of the emitted positron with an electron (Table 3). Table 3: Principal Radiation Produced from Decay of Fluorine-18 Radiation Energy Level (keV) Abundance (%) Positron 249.8 96.7 Gamma 511 193.4 The point source air-kerma rate constant for F 18 is 3.74E -17 Gy m 2 /(Bq s); this coefficient was formerly defined as…
How to use
The recommended amount of radioactivity is 185 MBq (5 mCi) administered as a single intravenous bolus within 40 seconds in a total volume of up to 10 mL. ( 2.2 ) Follow injection with an intravenous flush of 5 mL to 15 mL of 0.9% sodium chloride injection. ( 2.2 ) Obtain 10-minute to 20-minute PET images starting approximately 60 minutes to 120 minutes after drug administration. ( 2.3 ) See full prescribing information for image interpretation and radiation dosimetry. ( 2.4 , 2.5 , 2.6 ) 2.1 Radiation Safety - Drug Handling Handle VIZAMYL with appropriate safety measures to minimize radiation exposure during administration [see Warnings and Precautions (5.3) ] . Use waterproof gloves and effective radiation shielding, including lead-glass syringe shields when handling and administering VIZAMYL. Radiopharmaceuticals, including VIZAMYL, should be used by or under the control of healthcare providers 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. 2.2 Recommended Dosage and Administration Instructions Recommended Dosage The recommended amount of activity of VIZAMYL is 185 MBq (5 mCi) in a total volume of up to 10 mL, administered as a single intravenous bolus within 40 seconds. The maximum…
Side effects
The following clinically significant adverse reaction is described elsewhere in the labeling: Hypersensitivity Reactions [see Warnings and Precautions (5.1) ] Most common adverse reactions (incidence ≥ 1%) were flushing, increased blood pressure, headache, nausea, and dizziness. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact GE HealthCare at 1-800-654-0118 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in clinical practice. The safety of VIZAMYL was evaluated in 761 adult subjects who received VIZAMYL by intravenous injection in clinical trials. Most subjects (70%) received a dose of 185 MBq (5 mCi). The subjects had a mean age of 62 years (range 18 years to 93 years); 45% of the subjects were male and 91% were White. A serious hypersensitivity reaction characterized by flushing, dyspnea, and chest pressure was reported within minutes following VIZAMYL administration in one subject who recovered with treatment. Adverse reactions reported in ≥ 1% of subjects from the clinical trials are shown in Table 2. Table 2: Adverse Reactions Reported in ≥ 1% of Adult Subjects Who Received VIZAMYL in…
Warnings
Important safety information
Anaphylaxis and Other Serious Hypersensitivity Reactions: Always have emergency resuscitation equipment and trained personnel available at the time of VIZAMYL administration. ( 5.1 ) Risk of Image Misinterpretation and Other Errors: Image interpretation errors have been observed. ( 5.2 ) Radiation Risk: VIZAMYL contributes to a patient's long-term cumulative radiation exposure. Ensure safe drug handling to protect patients and health care providers from unintentional radiation exposure. Advise patients to hydrate before and after administration and to void frequently after administration. ( 2.1 , 2.2 , 5.3 ) 5.1 Anaphylaxis and Other Serious Hypersensitivity Reactions Serious hypersensitivity reactions including anaphylaxis, presenting with flushing, dyspnea, and hypotension, have been observed within minutes following VIZAMYL administration. These reactions may occur in patients with no history of exposure to VIZAMYL [see Adverse Reactions (6.1 , 6.2) ] . Obtain a history of allergy or hypersensitivity reactions. Always have resuscitation equipment and trained personnel immediately available at the time of VIZAMYL administration. If a hypersensitivity reaction is suspected, immediately discontinue the injection and initiate appropriate therapy. VIZAMYL is contraindicated in patients with a history of hypersensitivity to VIZAMYL or polysorbate 80 [see Contraindications (4) ] . 5.2 Risk of Image Misinterpretation and Other Errors Errors may occur in the estimation of amyloid beta neuritic plaque density during VIZAMYL image interpretation [see Clinical Studies (14) ] . The use of clinical information in the interpretation of VIZAMYL images has not been evaluated and may lead to an inaccurate assessment. Extensive brain atrophy and motion artifacts that distort the image may limit the ability to distinguish gray and white matter on a VIZAMYL scan. Perform image interpretation independently of the patient's clinical information. For cases where there is uncertainty as to the location of cortical signal, use co-registered anatomical imaging to improve localization of signal or examine the striatum for VIZAMYL signal as it is less affected by atrophy [see Dosage and Administration (2.5) ] . 5.3 Radiation Risk VIZAMYL contributes to a patient's overall long-term cumulative radiation exposure. Long-term cumulative radiation exposure is associated with an increased risk of cancer. Ensure safe drug handling to protect patients and health care providers from unintentional radiation exposure. Advise patients to hydrate before and after administration and to void frequently after administration [see Dosage and Administration (2.1 , 2.2) ] .
Who should not take Vizamyl
VIZAMYL is contraindicated in patients with a history of hypersensitivity reaction to VIZAMYL or polysorbate 80 [see Warnings and Precautions (5.1) ] . Known hypersensitivity to VIZAMYL or polysorbate 80 ( 4 )
Overdose — what happens if you take too much
The major risks of overdose relate predominantly to increased radiation exposure, with long-term risks for neoplasia. In the event of administration of a radiation overdose with VIZAMYL, hydration and frequent urination should be encouraged to minimize radiation exposure to the subject. It is unknown whether or not flutemetamol is dialyzable.
U.S. Poison Control: call or text 1-800-222-1222 (free, 24/7). In an emergency call 911. From the FDA label; not medical advice.
Storing Vizamyl, and how long it keeps
Quoted from this product’s own FDA label. Storage belongs to the product and its device, not to the drug in general — a pen and a tablet of the same medicine are kept completely differently.
- “Store VIZAMYL in the original container within radiation shielding at 2°C to 30°C (36°F to 86°F).”
Dosage forms
Solution
The forms currently marketed in the U.S., per the FDA National Drug Code Directory.
Ways to save
Ask for the generic
Same active ingredient, far cheaper. Is there a generic? →
Request a 90-day supply
Bulk fills usually lower the per-dose price vs monthly refills.
Use copay cards
Manufacturer copay cards & patient-assistance programs — especially for brand drugs.
Compare alternatives
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Frequently asked questions
- Is there a coupon or discount for Vizamyl?
- pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Vizamyl. To pay less, ask your prescriber or pharmacist whether a generic equivalent exists, check the manufacturer's copay/savings card and patient-assistance program, and compare a pharmacy discount card against your insurance copay. Prices vary by pharmacy, insurance, and location, so always confirm at the counter. This is general reference, not medical or financial advice.
- Who makes Vizamyl?
- Vizamyl is marketed by Ge Healthcare. You can see Ge Healthcare's full profile, rating, and other products on pharmaranks.
- Is Vizamyl a brand-name or generic drug?
- Vizamyl is a brand-name product with the active ingredient Flutemetamol F-18.
- Is Vizamyl available over the counter?
- No. Vizamyl is a prescription (Rx) medication in the US — you need a prescription from a licensed clinician (in person or via telehealth); it isn't sold over the counter. For some conditions there are OTC alternatives — ask your pharmacist.
- What forms does Vizamyl come in?
- Vizamyl is currently marketed as solution, per the FDA's National Drug Code Directory.
- Is Vizamyl FDA-registered?
- Vizamyl is on record with the U.S. FDA under application number NDA203137. You can verify this on its official FDA label.
- Is Vizamyl safe?
- There's no single safe-or-not verdict, and we don't yet have a composite recall-safety score for Vizamyl. Review its FDA-label side effects and warnings below, and always consult a licensed professional.
- What are the side effects of Vizamyl?
- Vizamyl's side effects are taken directly from its FDA label. From the label: The following clinically significant adverse reaction is described elsewhere in the labeling: Hypersensitivity Reactions [see Warnings and Precautions (5.1) ] Most common adverse reactions (incidence ≥ 1%) were flushing, increased blood pressure, headache, nausea, and dizziness.… Both common and serious reactions are documented in full on this page. This is general reference from the FDA, not medical advice — always consult a professional.
Clinical content sourced from the FDA label via openFDA (U.S. FDA). View the FDA label on DailyMed → Provided for general reference only — not medical advice. Always consult a licensed professional and the current prescribing information.
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