Gozellix GOZETOTIDE Kit
🆔 Identity & classification
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🏭 Manufacturer & labeler
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🩺 Clinical
Patient education
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Ask a licensed pharmacist directly — free, answered by our team.
🧪 Inactive Ingredients / Excipients
Inactive ingredients, also called excipients, are components of the drug product other than the active ingredient. They may include fillers, dyes, coatings, preservatives, flavors, or other formulation ingredients.
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IACT rows and label-wide narrative are kept separate; availability and product-level specificity depend on the submitted label.Inactive ingredient FAQ
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💲 Pricing
A drug doesn't have one price. Each row is a different public payment system, and none is what you'd pay at the counter — that depends on your insurance. The ⓘ on each row explains what it measures.
| Price system | Per each | Per package |
|---|---|---|
| Retail pharmacies payNADAC · weekly | Not in the retail survey — common for institutional, discontinued, or low-volume packs. | |
| Medicaid paysCMS SDUD · 12 mo | No recent Medicaid claims on file for this NDC — rare and low-volume NDCs are suppressed in the public data. | |
| Medicare drug plans payPart D · quarterly | No Part D plan price is available for this NDC in our data. | |
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🔁 Therapeutic equivalents
| Product | Labeler | Pack | NADAC/unit | TE | Status | Price vs. this |
|---|---|---|---|---|---|---|
| Gozellixthis 84552-0500-25 | Telix | 1 kit | — | — | FDA listed | — |
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⏳ Availability & generic status
We did not find an FDA-approved generic match for this exact strength, form and route. Patent/protection dates below may affect future generic timing.
Why the date isn’t exact: Generic timing can change because patents may be challenged, settled, licensed, added, removed, or worked around with a narrower label — and FDA approval does not always mean a pharmacy can get the generic today.
🛈 What do these terms mean?
- Patent
- Legal protection listed in the Orange Book that may delay generic approval or launch. Issued by the U.S. Patent & Trademark Office.
- Substance patent
- Covers the active drug molecule itself — the hardest to design around. A generic generally can’t launch until it expires.
- Formulation (product) patent
- Covers a specific formulation or dosage form. A generic can sometimes work around it with a different formulation.
- Method-of-use patent
- A patent covering one specific approved use of the drug — not necessarily the whole molecule. A generic can sometimes launch with a “skinny label” that carves out the protected use and keeps the others.
- Skinny label
- A generic label that omits a still-patented use when the FDA allows it — letting a generic reach the market for the unprotected uses.
- Exclusivity
- FDA-granted marketing protection, separate from patents — e.g. 5-yr new chemical entity, 7-yr orphan drug, or a +6-month pediatric extension.
- Paragraph IV
- A generic applicant’s formal challenge to a listed patent. It can potentially lead to earlier generic entry, but often involves litigation or a settlement.
- RLD / RS
- Reference Listed Drug — the brand product the FDA uses as the reference for generic applications. Reference Standard — the product the FDA expects generics to compare against in bioequivalence testing.
- TE / AB rating
- FDA therapeutic-equivalence rating. An AB rating generally means the FDA considers a generic therapeutically equivalent to — and substitutable for — the brand.
- LOE (loss of exclusivity)
- The latest patent or exclusivity currently listed — the loss-of-exclusivity / latest-listed-protection date shown on this page. Paragraph-IV challenges and settlements can move the real date earlier; FDA approval and a manufacturer’s decision to market can move it later.
Built from the FDA Orange Book. The bars above are scaled to each protection’s expiry; the red LOE marker is the last one to lapse.
| Patent | Type | Use code | Expires |
|---|---|---|---|
| US 11027031 ↗ | Method of use | U-3317 | Jul 28, 2035 |
Is there a generic version of GOZELLIX CONFIGURATION A KIT?
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🔬 Reported adverse events (FAERS)
Top reported reactions
Age at onset
Reporter sex
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📦 Packaging — all sizes for this product
| Package NDC | Description | Marketing start | Status |
|---|---|---|---|
| 84552-0500-25 You're viewing this | 1 KIT in 1 CARTON (84552-500-25) * 2.5 mL in 1 VIAL, MULTI-DOSE (84552-502-25) * 6.4 mL in 1 VIAL, MULTI-DOSE (84552-503-64) * 2 mL in 1 AMPULE (84552-504-25) * 1 POWDER, FOR SOLUTION in 1 VIAL, MULTI-DOSE (84552-501-25) | 2025-03-20 | Active |
| 84552-0500-64 | 1 KIT in 1 CARTON (84552-500-64) * 2.5 mL in 1 VIAL, MULTI-DOSE (84552-502-25) * 6.4 mL in 1 VIAL, MULTI-DOSE (84552-503-64) * 2 mL in 1 AMPULE (84552-504-25) * 1 POWDER, FOR SOLUTION in 1 VIAL, MULTI-DOSE (84552-501-25) | 2025-03-20 | Active |
Pack size FAQ
What quantity is in NDC 84552-0500-25?
What NDC number is used to bill for this package of Gozellix GOZETOTIDE Kit?
🧭 About this NDC listing & data coverage
Kit / multi-component package
This NDC identifies a kit — a package containing more than one component. Structured data (pricing, ingredients, equivalents) is often reported per component rather than for the kit NDC itself, which can make this page look thinner than the components' own pages.
What data is (and isn’t) available for this NDC — tap to expand
| NDC identity (package / product / labeler codes) | ✓ Available |
| Labeler | ✓ Available |
| Product & package description | ✓ Available |
| Marketing category & status | ✓ Available |
| Active ingredient / dosage form / route | ✓ Available |
| FDA label (SPL via DailyMed) | ✓ Available |
| Package photos | ✓ Available |
| Inactive ingredients (structured) | — Not published for this NDC The labeler did not submit a structured excipient list, or no SPL is available. |
| NADAC pharmacy acquisition price (CMS) | — Not published for this NDC CMS publishes NADAC only for NDCs reported in its retail-pharmacy survey. |
| Orange Book / therapeutic-equivalence data | ✓ Available |
| HCPCS J-code billing crosswalk | — Not published for this NDC Most self-administered / retail products have no J-code — that is normal. |
| Medicaid utilization (CMS SDUD) | — Not published for this NDC CMS reports utilization only for NDCs with Medicaid claims above its privacy threshold. |
Questions about this listing
Why is there no price listed?
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📄 Full prescribing information FDA SPL
🎯 Indications and Usage ▾
1 INDICATIONS AND USAGE GOZELLIX, after radiolabeling with Ga 68, is indicated for positron emission tomography (PET) of prostate-specific membrane antigen (PSMA) positive lesions in men with prostate cancer: With suspected metastasis who are candidates for initial definitive therapy. With suspected recurrence based on elevated serum prostate-specific antigen (PSA) level. GOZELLIX, after radiolabeling with Ga 68, is a radioactive diagnostic agent indicated for positron emission tomography (PET) of prostate-specific membrane antigen (PSMA) positive lesions in men with prostate cancer: With suspected metastasis who are candidates for initial definitive therapy.
With suspected recurrence based on elevated serum prostate-specific antigen (PSA) level. ( 1 )
⏱️ Dosage and Administration ▾
2 DOSAGE AND ADMINISTRATION 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 )
2.1Radiation 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 approved by the appropriate governmental agency authorized to license the use of radionuclides.
2.2Recommended Dosage and Administration Instructions Recommended Dosage In adults, the recommended amount of radioactivity to be administered for PET is 111 MBq to 259 MBq (3 mCi to 7 mCi) administered as an intravenous bolus injection. Administration Use aseptic technique and radiation shielding when withdrawing and administering Gallium Ga 68 Gozetotide Injection. Calculate the necessary volume to administer based on calibration time and required dose.
Inspect Gallium Ga 68 Gozetotide Injection visually for particulate matter and discoloration before administration. Only use solutions that are clear, colorless to slightly yellow, and without visible particles. Assay the final dose in a dose calibrator immediately before administration to the patient.
After injection of Gallium Ga 68 Gozetotide Injection, administer an intravenous flush of sterile 0.9% Sodium Chloride Injection to ensure full delivery of the dose. Dispose of any unused drug in a safe manner in compliance with applicable regulations. Unless contraindicated, a diuretic expected to act within the uptake time period may be administered at the time of radiotracer injection to potentially decrease artifact from radiotracer accumulation in the urinary bladder and ureters.
2.3Patient Preparation Instruct patients to drink a sufficient amount of water to ensure adequate hydration prior to administration of Gallium Ga 68 Gozetotide Injection and to continue to drink and void frequently following administration to reduce radiation exposure, particularly during the first hour after administration [see Warnings and Precautions (5.2) ] .
2.4General Instructions for Drug Preparation Ga 68 Sources and GOZELLIX Carton Configurations GOZELLIX is supplied as a kit in two different carton configurations, A or B, for preparation of Gallium Ga 68 Gozetotide Injection with eluate from different Ga 68 sources. See Table 1 for GOZELLIX carton configurations to be used with different Ga 68 sources. Table 1.
Ga 68 Sources and GOZELLIX Carton Configuration Ga 68 Source GOZELLIX Carton Configuration to be Used Cyclotron-produced via GE FASTlab A Cyclotron-produced via Alternative Radioisotope Technologies for Medical Science (ARTMS) QUANTM Irradiation System (QIS) A Eckert & Ziegler (EZAG) GalliaPharm Germanium 68/Gallium 68 (Ge 68/Ga 68) generator A IRE ELiT Galli Eo Ge 68/Ga 68 generator B The Ge 68/Ga 68 generators and cyclotron are not supplied with GOZELLIX. Follow the instructions for use…
💊 Dosage Forms and Strengths ▾
3 DOSAGE FORMS AND STRENGTHS Kit for the preparation of Gallium Ga 68 Gozetotide Injection contains: Vial 1 (Gozetotide): 25 mcg of gozetotide as a white to off-white lyophilized powder in a multiple-dose vial Vial 2A (2.5 mL) or Vial 2B (6.4 mL) (Acetate Buffer): 150 mg anhydrous sodium acetate as a sterile clear colorless solution Vial 2A in Configuration A for use with cyclotron-produced Ga 68 via GE FASTlab or ARTMS QIS, or EZAG Gallia Pharm generator Vial 2B in Configuration B for use with IRE EliT Galli Eo generator Ampule (Ascorbic Acid Stabilizer): 500 mg/2 mL (250 mg/mL) of ascorbic acid (USP injection grade) as a sterile clear colorless solution After radiolabeling with Ga 68, Vial 1 contains up to 18,500 MBq (500 mCi) of Gallium Ga 68 Gozetotide Injection in 10 mL at calibration date and time as a clear, colorless to slightly yellow solution in a multiple-dose vial.
Kit for the preparation of Gallium Ga 68 Gozetotide Injection contains: Vial 1 (Gozetotide): 25 mcg gozetotide as a lyophilized powder in a multiple-dose vial Vial 2A (2.5 mL) or Vial 2B (6.4 mL) (Acetate Buffer): 150 mg of anhydrous sodium acetate as a sterile solution Vial 2A in Configuration A for use with cyclotron-produced Ga 68 via GE FASTlab or ARTMS QIS, or EZAG generator Vial 2B in Configuration B for use with IRE generator Ampule (Ascorbic Acid Stabilizer): 500 mg/2 mL (250 mg/mL) ascorbic acid (USP injection grade) as a sterile solution.
( 3 ) After radiolabeling with Ga 68, Vial 1 contains up to 18,500 MBq (500 mCi) of Gallium Ga 68 Gozetotide Injection in 10 mL in a multiple-dose vial at calibration date and time.
⛔ Contraindications ▾
4 CONTRAINDICATIONS None None ( 4 )
⚠️ Warnings and Cautions ▾
5 WARNINGS AND PRECAUTIONS 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 )
5.1Risk 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.
5.2Radiation 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) ] .
5.3Hypersensitivity 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.
🤒 Adverse Reactions ▾
6 ADVERSE REACTIONS 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 ±
40.7MBq (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%.
🔄 Drug Interactions ▾
7 DRUG 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.
👥 Use in Specific Populations ▾
8 USE IN SPECIFIC POPULATIONS
8.1Pregnancy Risk Summary GOZELLIX is not indicated for use in females. There are no available data with gallium Ga 68 gozetotide injection use in pregnant women to evaluate for a drug-associated risk of major birth defects, miscarriage, or adverse maternal or fetal outcomes. All radiopharmaceuticals, including GOZELLIX, have the potential to cause fetal harm depending on the fetal stage of development and the magnitude of the radiation dose.
Animal reproduction studies have not been conducted with gallium Ga 68 gozetotide.
8.2Lactation Risk Summary GOZELLIX is not indicated for use in females. There are no data on the presence of gallium Ga 68 gozetotide in human milk, the effect on the breastfed infant, or the effect on milk production.
8.4Pediatric Use The safety and effectiveness of gallium Ga 68 gozetotide in pediatric patients have not been established.
8.5Geriatric Use The efficacy of gallium Ga 68 gozetotide PET in geriatric patients with prostate cancer is based on data from two prospective studies [see Clinical Studies (14.1 , 14.2) ]. Of the total number of subjects in the PSMA-PreRP and PSMA-BCR studies, 691 of 960 (72%) patients were 65 years of age and older while 195 (20%) were 75 years of age and older. The efficacy and safety profiles of gallium Ga 68 gozetotide appear similar in younger adult and geriatric patients with prostate cancer and other reported clinical experience has not identified differences in responses between the elderly and younger adult patients.
🤰 Pregnancy ▾
8.1Pregnancy Risk Summary GOZELLIX is not indicated for use in females. There are no available data with gallium Ga 68 gozetotide injection use in pregnant women to evaluate for a drug-associated risk of major birth defects, miscarriage, or adverse maternal or fetal outcomes. All radiopharmaceuticals, including GOZELLIX, have the potential to cause fetal harm depending on the fetal stage of development and the magnitude of the radiation dose.
Animal reproduction studies have not been conducted with gallium Ga 68 gozetotide.
🧒 Pediatric Use ▾
8.4Pediatric Use The safety and effectiveness of gallium Ga 68 gozetotide in pediatric patients have not been established.
🧓 Geriatric Use ▾
8.5Geriatric Use The efficacy of gallium Ga 68 gozetotide PET in geriatric patients with prostate cancer is based on data from two prospective studies [see Clinical Studies (14.1 , 14.2) ]. Of the total number of subjects in the PSMA-PreRP and PSMA-BCR studies, 691 of 960 (72%) patients were 65 years of age and older while 195 (20%) were 75 years of age and older. The efficacy and safety profiles of gallium Ga 68 gozetotide appear similar in younger adult and geriatric patients with prostate cancer and other reported clinical experience has not identified differences in responses between the elderly and younger adult patients.
🆘 Overdosage ▾
10 OVERDOSAGE 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.
🧬 Clinical Pharmacology ▾
12 CLINICAL PHARMACOLOGY
12.1Mechanism of Action Gallium Ga 68 gozetotide binds to PSMA. It binds to cells that express PSMA, including malignant prostate cancer cells, which usually overexpress PSMA. Gallium-68 is a β+ emitting radionuclide that allows positron emission tomography.
12.2Pharmacodynamics The relationship between gallium Ga 68 gozetotide plasma concentrations and successful imaging was not explored in clinical trials.
12.3Pharmacokinetics Distribution Intravenously injected gallium Ga 68 gozetotide is cleared from the blood and is accumulated preferentially in the liver (15%), kidneys (7%), spleen (2%), and salivary glands (0.5%). Gallium Ga 68 gozetotide uptake is also seen in the adrenals and prostate. There is no uptake in the cerebral cortex or in the heart, and usually lung uptake is low.
Elimination A total of 14% of the injected dose is excreted in urine in the first 2 hours post-injection.
🧬 Mechanism of Action ▾
12.1Mechanism of Action Gallium Ga 68 gozetotide binds to PSMA. It binds to cells that express PSMA, including malignant prostate cancer cells, which usually overexpress PSMA. Gallium-68 is a β+ emitting radionuclide that allows positron emission tomography.
📦 How Supplied / Storage and Handling ▾
16 HOW SUPPLIED/STORAGE AND HANDLING How Supplied GOZELLIX (kit for the preparation of gallium Ga 68 gozetotide injection) is available in two different configurations. GOZELLIX Configuration "A" (NDC 84552-500-25), intended for use with Ga 68 produced from a cyclotron and purified via GE FASTlab or ARTMS QIS, or an Eckert & Ziegler GalliaPharm Ge 68/Ga 68 generator, contains: Vial 1 (Gozetotide): 25 mcg gozetotide as a sterile white to off-white lyophilized powder in a multiple-dose vial with a blue flip-off cap (NDC 84552-501-25) Vial 2A (Acetate Buffer): 150 mg/2.5 mL of anhydrous sodium acetate as a sterile clear colorless solution in a vial with a red flip off cap (NDC 84552-502-25) Ampule (Ascorbic Acid Stabilizer): 500 mg/2 mL (250 mg/mL) of ascorbic acid (USP injection grade) as a sterile clear colorless solution in a glass ampule (NDC 84552-504-25) GOZELLIX Configuration "B" (NDC 84552-500-64), intended for use with Ga 68 produced from an IRE Galli Eo Ge 68/Ga 68 generator, contains: Vial 1 (Gozetotide): 25 mcg gozetotide as a sterile white to off-white lyophilized powder in a multiple-dose vial with a blue flip-off cap (NDC 84552-501-25) Vial 2B (Acetate Buffer): 150 mg/6.4 mL of anhydrous sodium acetate as a sterile clear colorless solution in a vial with a green flip off cap (NDC 84552-503-64) Ampule (Ascorbic Acid Stabilizer): 500 mg/2 mL (250 mg/mL) of ascorbic acid (USP injection grade) as a sterile clear colorless solution in a glass ampule (NDC 84552-504-25) The radionuclide is not part of the kit.
Before radiolabeling with Ga 68, the contents of this kit are not radioactive. Storage and Handling Store GOZELLIX refrigerated upright in the original packaging at 2° to 8°C (36° to 46°F). Do not freeze.
After radiolabeling, keep Gallium Ga 68 Gozetotide Injection upright with appropriate shielding to protect from radiation at room temperature (25°C (77°F); excursions permitted to 15°C to 30°C (59°F to 86°F)). Use Gallium Ga 68 Gozetotide Injection within the time frames described in Table 9 below. Table 9: Shelf Life Per Activity of Gallium Ga 68 Gozetotide Injection Activity Shelf Life Less than 2,590 MBq (70 mCi) 4 hours 2,590 MBq to 18,500 MBq (70 mCi to 500 mCi) 6 hours Dispose of the product in accordance with all federal, state, and local laws and institutional requirements.
This preparation is approved for use by persons under license by the Nuclear Regulatory Commission or the relevant regulatory authority of an Agreement State.
📦 Storage and Handling ▾
Storage and Handling Store GOZELLIX refrigerated upright in the original packaging at 2° to 8°C (36° to 46°F). Do not freeze. After radiolabeling, keep Gallium Ga 68 Gozetotide Injection upright with appropriate shielding to protect from radiation at room temperature (25°C (77°F); excursions permitted to 15°C to 30°C (59°F to 86°F)).
Use Gallium Ga 68 Gozetotide Injection within the time frames described in Table 9 below. Table 9: Shelf Life Per Activity of Gallium Ga 68 Gozetotide Injection Activity Shelf Life Less than 2,590 MBq (70 mCi) 4 hours 2,590 MBq to 18,500 MBq (70 mCi to 500 mCi) 6 hours Dispose of the product in accordance with all federal, state, and local laws and institutional requirements. This preparation is approved for use by persons under license by the Nuclear Regulatory Commission or the relevant regulatory authority of an Agreement State.
📋 Description ▾
11 DESCRIPTION
11.1Drug 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 anhydrous sodium acetate in 2.5 mL of 0.292 M hydrochloric acid. Vial 2B (Acetate Buffer): Each vial contains 150 mg anhydrous sodium acetate in 6.4 mL of 0.175 M hydrochloric acid. Ampule (Ascorbic Acid Stabilizer): Each ampule contains 500 mg of ascorbic acid (USP injection grade), 3 mg sodium metabisulfite, sodium hydroxide for pH adjustment, and water for injection in a volume of 2 mL.
The prepared Gallium Ga 68 Gozetotide Injection is a sterile, pyrogen free, clear, colorless to slightly yellow, buffered solution containing up to 18,500 MBq (500 mCi) of gallium Ga 68 gozetotide in 10 mL with a pH between 4.0 to 5.0.
11.2Nuclear Physical Characteristics Gallium-68 (Ga 68) decays with a half-life of 68 minutes to stable zinc-68. Table 4, Table 5, and Table 6 display the principal radiation emission data, radiation attenuation by lead shielding, and physical decay of Ga 68. Table 4: Principal Radiation Emission Data (>1%) for Ga 68 Radiation/ Emission % Disintegration Mean Energy (MeV) beta+ 88% 0.8360 beta+ 1.1% 0.3526 gamma 178% 0.5110 gamma 3.0% 1.0770 X-ray 2.8% 0.0086 X-ray 1.4% 0.0086 Table 5: 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 Table 6: Physical Decay Chart for Ga 68 Minutes Fraction Remaining 0 1 15 0.858 30 0.736 60 0.541 90 0.398 120 0.293 180 0.158 360 0.025
💬 Information for Patients ▾
17 PATIENT COUNSELING INFORMATION Adequate Hydration Instruct patients to drink a sufficient amount of water to ensure adequate hydration before their PET study and urge them to drink and urinate as often as possible during the first hours following the administration of Gallium Ga 68 Gozetotide Injection, in order to reduce radiation exposure [see Dosage and Administration (2.3) and Warnings and Precautions (5.2) ] .