gozellix
Gozellix (Gallium Ga-68 Gozetotide) is a radioactive diagnostic agent.
Gallium Ga-68 Gozetotide · by Telix Innovations
Key facts
- Active ingredient
- Gallium Ga-68 Gozetotide
- Drug class
- Radioactive Diagnostic Agent
- Form
- Kit
- Type
- Prescription (Rx)
- Brand or generic
- Brand-name
- Manufacturer
- Telix Innovations
- FDA application
- NDA219592
What is Gozellix?
From the FDA label:11.1 Drug Characteristics GOZELLIX (kit for the preparation of gallium Ga 68 gozetotide injection), after radiolabeling with Ga 68, is a radioactive diagnostic agent for intravenous use. Gozetotide is also known as PSMA-11. Gallium Ga 68 gozetotide is a radioconjugate composed of a human prostate specific membrane antigen (PSMA)-targeting ligand peptide conjugated via the acyclic radiometal chelator, N,N'-bis [2-hydroxy-5-(carboxyethyl)benzyl] ethylenediamine-N,N'-diacetic acid (HBED-CC) to the radioisotope Ga 68. The amino acid sequence of the gozetotide peptide is Glu-NH-CO-NH-Lys(Ahx), (Ahx = 6-aminohexanoic acid). Gallium Ga 68 gozetotide has a molecular weight of 1011.9 g/mol and its chemical structure is shown in Figure 6. Figure 6: Chemical Structure of Gallium Ga 68 Gozetotide Chemical Structure Kit Characteristics GOZELLIX is supplied as a kit which contains the non-radioactive ingredients needed to produce Gallium Ga 68 Gozetotide Injection. There are two configurations, A or B, available to allow preparation of Gallium Ga 68 Gozetotide Injection using Ga 68 from different generator or cyclotron sources. Each configuration consists of gozetotide (Vial 1), acetate buffer (Vial 2A or Vial 2B), and ascorbic acid stabilizer (Ampule). Vial 1 (Gozetotide): Each vial contains 25 mcg gozetotide and 10 mcg D-mannose. Vial 2A (Acetate Buffer): Each vial contains 150 mg…
How to use
Use appropriate aseptic technique and radiation safety handling measures in the manipulation and administration of Gallium Ga 68 Gozetotide Injection. ( 2.1 ) The recommended amount of radioactivity for adults is 111 MBq to 259 MBq (3 mCi to 7 mCi) as a bolus intravenous injection. ( 2.2 ) A diuretic expected to act within the uptake time period may be administered at the time of radiotracer injection. ( 2.2 ) Initiate imaging 50 minutes to 100 minutes after administration. The patient should void immediately prior to initiation of imaging. The scan should begin caudally and proceed cranially. ( 2.10 ) See full prescribing information for additional preparation, administration, imaging, and radiation dosimetry information. ( 2 ) 2.1 Radiation Safety - Drug Handling After radiolabeling of GOZELLIX, the vial contains Gallium Ga 68 Gozetotide Injection. Handle Gallium Ga 68 Gozetotide Injection with appropriate safety measures to minimize radiation exposure [see Warnings and Precautions (5.2) ] . Use waterproof gloves, effective radiation shielding, and other appropriate safety measures when preparing and handling Gallium Ga 68 Gozetotide Injection. Radiopharmaceuticals 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…
Side effects
The most commonly reported adverse reactions include nausea, diarrhea, and dizziness. ( 6 ) To report SUSPECTED ADVERSE REACTIONS, contact Telix Pharmaceuticals (US) Inc. at 1-844-455-8638 or contact FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 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 practice. The safety of GOZELLIX has been established based on two prospective studies of another formulation of gallium Ga 68 gozetotide in patients with prostate cancer [see Clinical Studies (14.1 , 14.2) ] . Below is a display of the adverse reactions in these studies. The safety of gallium Ga 68 gozetotide was evaluated in 960 patients in the PSMA-PreRP and PSMA-BCR studies, each receiving one dose of gallium Ga 68 gozetotide. The average injected activity was 188.7 ± 40.7 MBq (5.1 ± 1.1 mCi) [see Clinical Studies (14.1 , 14.2) ] . The most commonly reported adverse reactions were nausea, diarrhea, and dizziness, occurring at a rate of <1%.
Warnings
Important safety information
Risk for Misinterpretation: Gallium Ga 68 gozetotide uptake can be seen in a variety of tumor types and in non-malignant processes. Clinical correlation, which may include histopathological evaluation of the suspected prostate cancer site, is recommended. ( 5.1 ) Radiation Risks: Ensure safe handling to protect patients and health care providers from unintentional radiation exposure. ( 2.1 , 5.2 ) Hypersensitivity Reactions to Sulfites: Ascorbic Acid Stabilizer contains sodium metabisulfite, a sulfite that may cause life-threatening hypersensitivity reactions including anaphylaxis. ( 5.3 ) 5.1 Risk for Misinterpretation Image interpretation errors can occur with GOZELLIX PET. A negative image does not rule out the presence of prostate cancer and a positive image does not confirm the presence of prostate cancer. Gallium Ga 68 gozetotide uptake is not specific for prostate cancer and may occur with other types of cancer as well as non-malignant processes such as Paget's disease, fibrous dysplasia, and osteophytosis. The performance of GOZELLIX for imaging of biochemically recurrent prostate cancer seems to be affected by serum PSA levels and by site of disease. The performance of GOZELLIX for imaging of metastatic pelvic lymph nodes prior to initial definitive therapy seems to be affected by Gleason score [ see Clinical Studies (14.1 , 14.2) ] . Clinical correlation, which may include histopathological evaluation of the suspected prostate cancer site, is recommended. 5.2 Radiation Risks Gallium Ga 68 gozetotide contributes to a patient's overall long-term cumulative radiation exposure. Long-term cumulative radiation exposure is associated with an increased risk for cancer. Ensure safe handling to minimize radiation exposure to the patient and health care providers. Advise patients to hydrate before and after administration and to void frequently after administration [see Dosage and Administration (2.1 , 2.3) ] . 5.3 Hypersensitivity Reactions to Sulfites Ascorbic Acid Stabilizer contains sodium metabisulfite, a sulfite that may cause allergic-type reactions including anaphylactic symptoms and life-threatening or less severe asthmatic episodes in certain susceptible people. The overall prevalence of sulfite sensitivity in the general population is unknown and probably low. Sulfite sensitivity is seen more frequently in asthmatic than in non-asthmatic people.
Who should not take Gozellix
None None ( 4 )
Overdose — what happens if you take too much
In the event of an overdose of gallium Ga68 gozetotide, reduce the radiation absorbed dose to the patient where possible by increasing the elimination of the drug from the body using hydration and frequent bladder voiding. A diuretic might also be considered. If possible, an estimate of the radiation effective dose given to the patient should be made.
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.
Interactions
Androgen deprivation therapy and other therapies targeting the androgen pathway Androgen deprivation therapy (ADT) and other therapies targeting the androgen pathway, such as androgen receptor antagonists, can result in changes in uptake of gallium Ga 68 gozetotide in prostate cancer. The effect of these therapies on performance of gallium Ga 68 gozetotide PET has not been established.
Drug class
How this class works, per Radionuclide Imaging in Cancer Medicine - Holland-Frei Cancer Medicine, NCBI Bookshelf.
Dosage forms
Kit
The forms currently marketed in the U.S., per the FDA National Drug Code Directory.
Ways to save
Ask for the generic
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Request a 90-day supply
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Use copay cards
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Frequently asked questions
- How does Gozellix work?
- Gozellix is a radioactive diagnostic agent. A radioactive diagnostic agent is a small dose of a radioactive substance attached to a molecule that travels to a specific organ or tissue. Once there it gives off radiation that a scanner outside the body detects, producing images that show where that tissue is or how it is working.
- Is there a coupon or discount for Gozellix?
- pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Gozellix. 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 Gozellix?
- Gozellix is marketed by Telix Innovations. You can see Telix Innovations's full profile, rating, and other products on pharmaranks.
- Is Gozellix a brand-name or generic drug?
- Gozellix is a brand-name product with the active ingredient Gallium Ga-68 Gozetotide.
- Is Gozellix available over the counter?
- No. Gozellix 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 Gozellix come in?
- Gozellix is currently marketed as kit, per the FDA's National Drug Code Directory.
- What class of drug is Gozellix?
- Gozellix is classified as radioactive diagnostic agent, per the FDA's Established Pharmacologic Class.
- Is Gozellix FDA-registered?
- Gozellix is on record with the U.S. FDA under application number NDA219592. You can verify this on its official FDA label.
- Is Gozellix safe?
- There's no single safe-or-not verdict, and we don't yet have a composite recall-safety score for Gozellix. Review its FDA-label side effects and warnings below, and always consult a licensed professional.
- What are the side effects of Gozellix?
- Gozellix's side effects are taken directly from its FDA label. From the label: The most commonly reported adverse reactions include nausea, diarrhea, and dizziness. ( 6 ) To report SUSPECTED ADVERSE REACTIONS, contact Telix Pharmaceuticals (US) Inc. at 1-844-455-8638 or contact FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.… 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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