68ga-dotatate
Generic Name: 68ga-dotatate
Brand Names:
Netspot
11 DESCRIPTION NETSPOT is supplied as a sterile, multiple-dose kit for preparation of gallium Ga 68 dotatate injection for intravenous use. Dotatate, also known as DOTA-0-Tyr3-Octreotate, is a cyclic 8 amino acid peptide with a covalently bound chelator (dota). The peptide has the amino acid sequence: H-D-Phe-Cys-Tyr-D-Trp-Lys-Thr-Cys-Thr-OH, and contains one disulfide bond. Dotatate has a molecular weight of 1435.6 Daltons and its chemical structure is shown in Figure 3. Figure 3.
Overview
11 DESCRIPTION NETSPOT is supplied as a sterile, multiple-dose kit for preparation of gallium Ga 68 dotatate injection for intravenous use. Dotatate, also known as DOTA-0-Tyr3-Octreotate, is a cyclic 8 amino acid peptide with a covalently bound chelator (dota). The peptide has the amino acid sequence: H-D-Phe-Cys-Tyr-D-Trp-Lys-Thr-Cys-Thr-OH, and contains one disulfide bond. Dotatate has a molecular weight of 1435.6 Daltons and its chemical structure is shown in Figure 3. Figure 3.
Uses
1 INDICATIONS AND USAGE NETSPOT, after radiolabeling with gallium-68, is indicated for use with positron emission tomography (PET) for localization of somatostatin receptor positive neuroendocrine tumors (NETs) in adult and pediatric patients. NETSPOT, after radiolabeling with gallium-68, is a radioactive diagnostic agent indicated for use with positron emission tomography (PET) for localization of somatostatin receptor positive neuroendocrine tumors (NETs) in adult and pediatric patients. ( 1 )
Dosage
2 DOSAGE AND ADMINISTRATION After radiolabeling, handle gallium Ga 68 dotatate injection with appropriate safety measures to minimize radiation exposure. ( 2.1 ) Instruct patients to drink a sufficient amount of water before administration, during the first hours following administration and to void frequently. ( 2.1 ) Recommended dose is 2 MBq/kg (0.054 mCi/kg) of body weight up to 200 MBq (5.4 mCi) administered as intravenous bolus injection. ( 2.2 ) See the Full Prescribing Information for detailed instructions on how to prepare gallium Ga 68 dotatate injection (e.g., radiolabeling).
Side Effects
6 ADVERSE REACTIONS The following clinically significant adverse reactions are described elsewhere in the labeling: Hypersensitivity reactions [see Warnings and Precautions ( 5.2 )] Nausea, vomiting, and injection site pain and burning sensation were all reported during post-approval use. ( 6 ) To report SUSPECTED ADVERSE REACTIONS, contact Novartis Pharmaceuticals Corporation at 1-888-669-6682 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch . 6.1 Clinical Trials Experience The safety of gallium Ga 68 dotatate was evaluated in three single center studies [see Clinical Studies ( 14 )] and in a survey of the scientific literature. No serious adverse reactions were identified.
Interactions
7 DRUG INTERACTIONS Somatostatin Analogs : Somatostatin analogs competitively bind to the same somatostatin receptors as gallium Ga 68 dotatate and may affect imaging – image just prior to dosing with long-acting somatostatin analogs. ( 7.1 ) Glucocorticoids : Repeated administration of high doses of glucocorticoids prior to gallium Ga 68 dotatate administration may affect imaging. ( 7.2 ) 7.1 Somatostatin analogs Non-radioactive somatostatin analogs competitively bind to the same somatostatin receptors as gallium Ga 68 dotatate. Image patients with gallium Ga 68 dotatate PET just prior to dosing with long-acting analogs of somatostatin. Short-acting analogs of somatostatin can be used up to 24 hours before imaging with gallium Ga 68 dotatate.
Warnings
5 WARNINGS AND PRECAUTIONS Radiation Risk : Gallium Ga 68 dotatate contributes to a patient’s overall long-term cumulative radiation exposure. Ensure safe handling and preparation procedures to protect patients and health care workers from unintentional radiation exposure. Restrict close contact with infants and pregnant women during the first 12 hours after administration of gallium Ga 68 dotatate. ( 5.1 ) Hypersensitivity Reactions : Most reported reactions were rash and pruritus and reversible either spontaneously or with routine symptomatic management. 4 CONTRAINDICATIONS None. None. ( 4 )
Pregnancy
8.1 Pregnancy Risk Summary There are no studies with gallium Ga 68 dotatate in pregnant women to inform any drug-associated risks; however, radioactive emissions, including those from gallium Ga 68 dotatate, can cause fetal harm. Animal reproduction studies have not been conducted with gallium Ga 68 dotatate. In the U.S. general population, the estimated background risks of major birth defects and miscarriage in clinically recognized pregnancies are 2% to 4% and 15% to 20%, respectively.
Storage
16 HOW SUPPLIED/STORAGE AND HANDLING 16.1 How Supplied NETSPOT is supplied as a multiple-dose kit (NDC# 69488-001-40) for preparing multiple doses of gallium-68 radiolabeled dotatate injection.
Frequently Asked Questions
What is 68ga-dotatate used for?▼
1 INDICATIONS AND USAGE NETSPOT, after radiolabeling with gallium-68, is indicated for use with positron emission tomography (PET) for localization of somatostatin receptor positive neuroendocrine tumors (NETs) in adult and pediatric patients. NETSPOT, after radiolabeling with gallium-68, is a radioactive diagnostic agent indicated for use with positron emission tomography (PET) for localization of somatostatin receptor positive neuroendocrine tumors (NETs) in adult and pediatric patients. ( 1 )
What are the side effects of 68ga-dotatate?▼
6 ADVERSE REACTIONS The following clinically significant adverse reactions are described elsewhere in the labeling: Hypersensitivity reactions [see Warnings and Precautions ( 5.2 )] Nausea, vomiting, and injection site pain and burning sensation were all reported during post-approval use. ( 6 ) To report SUSPECTED ADVERSE REACTIONS, contact Novartis Pharmaceuticals Corporation at 1-888-669-6682 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch . 6.1 Clinical Trials Experience The safety of gallium Ga 68 dotatate was evaluated in three single center studies [see Clinical Studies ( 14 )] and in a survey of the scientific literature. No serious adverse reactions were identified.
Can I take 68ga-dotatate during pregnancy?▼
8.1 Pregnancy Risk Summary There are no studies with gallium Ga 68 dotatate in pregnant women to inform any drug-associated risks; however, radioactive emissions, including those from gallium Ga 68 dotatate, can cause fetal harm. Animal reproduction studies have not been conducted with gallium Ga 68 dotatate. In the U.S. general population, the estimated background risks of major birth defects and miscarriage in clinically recognized pregnancies are 2% to 4% and 15% to 20%, respectively.
What are the important warnings for 68ga-dotatate?▼
5 WARNINGS AND PRECAUTIONS Radiation Risk : Gallium Ga 68 dotatate contributes to a patient’s overall long-term cumulative radiation exposure. Ensure safe handling and preparation procedures to protect patients and health care workers from unintentional radiation exposure. Restrict close contact with infants and pregnant women during the first 12 hours after administration of gallium Ga 68 dotatate. ( 5.1 ) Hypersensitivity Reactions : Most reported reactions were rash and pruritus and reversible either spontaneously or with routine symptomatic management. 4 CONTRAINDICATIONS None. None. ( 4 )
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.