Teprotumumab
Generic Name: teprotumumab
Brand Names:
Tepezza
11 DESCRIPTION Teprotumumab-trbw, an insulin-like growth factor-1 receptor inhibitor (IGF-1R), is a fully human IgG1 monoclonal antibody produced in Chinese hamster ovary (CHO-DG44) cells. It has a molecular weight of approximately 148 kilodaltons. TEPEZZA (teprotumumab-trbw) for injection is supplied as a sterile, preservative-free, white to off-white, lyophilized powder for intravenous infusion.
Overview
11 DESCRIPTION Teprotumumab-trbw, an insulin-like growth factor-1 receptor inhibitor (IGF-1R), is a fully human IgG1 monoclonal antibody produced in Chinese hamster ovary (CHO-DG44) cells. It has a molecular weight of approximately 148 kilodaltons. TEPEZZA (teprotumumab-trbw) for injection is supplied as a sterile, preservative-free, white to off-white, lyophilized powder for intravenous infusion.
Uses
1 INDICATIONS AND USAGE TEPEZZA is indicated for the treatment of Thyroid Eye Disease regardless of Thyroid Eye Disease activity or duration. TEPEZZA is an insulin-like growth factor-1 receptor inhibitor indicated for the treatment of Thyroid Eye Disease ( 1 )
Dosage
2 DOSAGE AND ADMINISTRATION Initiate dosing with 10 mg/kg for first infusion, followed by 20 mg/kg every 3 weeks for 7 additional infusions ( 2.1 ) Administer TEPEZZA by intravenous infusion over 60 to 90 minutes ( 2.3 ) 2.1 Recommended Dosing The recommended dose of TEPEZZA is an intravenous infusion of 10 mg/kg for the initial dose followed by an intravenous infusion of 20 mg/kg every three weeks for 7 additional infusions. 2.2 Reconstitution and Preparation Step 1: Calculate the dose (mg) and determine the number of vials needed for the 10 or 20 mg/kg dosage based on patient weight. Each TEPEZZA vial contains 500 mg of the teprotumumab antibody. Step 2: Using appropriate aseptic technique, reconstitute each TEPEZZA vial with 10 mL of Sterile Water for Injection, USP.
Side Effects
6 ADVERSE REACTIONS The following clinically significant adverse reactions are described elsewhere in the labeling: Infusion Reactions [see Warnings and Precautions (5.1) ] Inflammatory Bowel Disease [see Warnings and Precautions (5.2) ] Hyperglycemia [see Warnings and Precautions (5.3) ] Hearing Impairment Including Hearing Loss [see Warnings and Precautions (5.4) ] Most common adverse reactions (incidence greater than 5%) are muscle spasm, nausea, alopecia, diarrhea, fatigue, hyperglycemia, hearing impairment, dry skin, dysgeusia, headache, weight decreased, and nail disorder ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Amgen Inc. at 1-800-77-AMGEN (1-800-772-6436) or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
Warnings
5 WARNINGS AND PRECAUTIONS Infusion Reactions : If an infusion reaction occurs, interrupt or slow the rate of infusion and use appropriate medical management ( 5.1 ) Inflammatory Bowel Disease (IBD) : Monitor patients; for signs and symptoms of disease, including patients without a history of IBD; discontinue TEPEZZA if IBD exacerbation is suspected ( 5.2 ) Hyperglycemia : Assess patients for elevated blood glucose and symptoms of hyperglycemia prior to infusion and continue to monitor while on treatment with TEPEZZA. 4 CONTRAINDICATIONS None. None ( 4 )
Pregnancy
8.1 Pregnancy Risk Summary Based on findings in animals and its mechanism of action inhibiting insulin-like growth factor-1 receptor (IGF-1R) signaling, TEPEZZA may cause fetal harm when administered to a pregnant woman. Adequate and well-controlled studies with TEPEZZA have not been conducted in pregnant women. There are insufficient data with TEPEZZA use in pregnant women to inform any drug associated risks for adverse developmental outcomes.
Storage
Refrigerate at 2°C to 8°C (36°F to 46°F) in original carton until time of use to protect from light. Do not freeze.
Frequently Asked Questions
What is Teprotumumab used for?▼
1 INDICATIONS AND USAGE TEPEZZA is indicated for the treatment of Thyroid Eye Disease regardless of Thyroid Eye Disease activity or duration. TEPEZZA is an insulin-like growth factor-1 receptor inhibitor indicated for the treatment of Thyroid Eye Disease ( 1 )
What are the side effects of Teprotumumab?▼
6 ADVERSE REACTIONS The following clinically significant adverse reactions are described elsewhere in the labeling: Infusion Reactions [see Warnings and Precautions (5.1) ] Inflammatory Bowel Disease [see Warnings and Precautions (5.2) ] Hyperglycemia [see Warnings and Precautions (5.3) ] Hearing Impairment Including Hearing Loss [see Warnings and Precautions (5.4) ] Most common adverse reactions (incidence greater than 5%) are muscle spasm, nausea, alopecia, diarrhea, fatigue, hyperglycemia, hearing impairment, dry skin, dysgeusia, headache, weight decreased, and nail disorder ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Amgen Inc. at 1-800-77-AMGEN (1-800-772-6436) or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
Can I take Teprotumumab during pregnancy?▼
8.1 Pregnancy Risk Summary Based on findings in animals and its mechanism of action inhibiting insulin-like growth factor-1 receptor (IGF-1R) signaling, TEPEZZA may cause fetal harm when administered to a pregnant woman. Adequate and well-controlled studies with TEPEZZA have not been conducted in pregnant women. There are insufficient data with TEPEZZA use in pregnant women to inform any drug associated risks for adverse developmental outcomes.
What are the important warnings for Teprotumumab?▼
5 WARNINGS AND PRECAUTIONS Infusion Reactions : If an infusion reaction occurs, interrupt or slow the rate of infusion and use appropriate medical management ( 5.1 ) Inflammatory Bowel Disease (IBD) : Monitor patients; for signs and symptoms of disease, including patients without a history of IBD; discontinue TEPEZZA if IBD exacerbation is suspected ( 5.2 ) Hyperglycemia : Assess patients for elevated blood glucose and symptoms of hyperglycemia prior to infusion and continue to monitor while on treatment with TEPEZZA. 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.