Risk of hypoglycemia when initiating MOUNJARO; consider reducing insulin dose.
Source: NLP:tirzepatide
Tirzepatide Interactions
Brand names: Zepbound, Zepbound, Zepbound Kwikpen
Glucose-dependent Insulinotropic Polypeptide Receptor Agonist · GLP-1 Receptor Agonist · G-Protein-linked Receptor Interactions · Glucagon-like Peptide-1 (GLP-1) Agonists
Route: Subcutaneous
FDA Black Box Warning
WARNING: RISK OF THYROID C-CELL TUMORS In rats, tirzepatide causes dose-dependent and treatment-duration-dependent thyroid C-cell tumors at clinically relevant exposures. It is unknown whether ZEPBOUND causes thyroid C-cell tumors, including medullary thyroid carcinoma (MTC), in humans as human relevance of tirzepatide-induced rodent thyroid C-cell tumors has not been determined [see Warnings and Precautions ( 5.1 ) and Nonclinical Toxicology ( 13.1 )]. ZEPBOUND is contraindicated in patients with a personal or family history of MTC or in patients with Multiple Endocrine Neoplasia syndrome type 2 (MEN 2) [see Contraindications ( 4 )] . Counsel patients regarding the potential risk for MTC with the use of ZEPBOUND and inform them of symptoms of thyroid tumors (e.g., a mass in the neck, dysphagia, dyspnea, persistent hoarseness). Routine monitoring of serum calcitonin or using thyroid ultrasound is of uncertain value for early detection of MTC in patients treated with ZEPBOUND [see Contraindications ( 4 ) and Warnings and Precautions ( 5.1 )]. WARNING: RISK OF THYROID C-CELL TUMORS See full prescribing information for complete boxed warning. In rats, tirzepatide causes thyroid C-cell tumors. It is unknown whether ZEPBOUND causes thyroid C-cell tumors, including medullary thyroid carcinoma (MTC), in humans as the human relevance of tirzepatide-induced rodent thyroid C-cell tumors has not been determined ( 5.1 , 13.1 ). ZEPBOUND is contraindicated in patients with a personal or family history of MTC or in patients with Multiple Endocrine Neoplasia syndrome type 2 (MEN 2). Counsel patients regarding the potential risk of MTC and symptoms of thyroid tumors ( 4 , 5.1 ).
Contraindications
4 CONTRAINDICATIONS ZEPBOUND is contraindicated in patients with: A personal or family history of MTC or in patients with MEN 2 [see Warnings and Precautions ( 5.1 )] . Known serious hypersensitivity to tirzepatide or any of the excipients in ZEPBOUND. Serious hypersensitivity reactions, including anaphylaxis and angioedema, have been reported with tirzepatide [see Warnings and Precautions ( 5.6 ) and Adverse Reactions ( 6.2 )] . Personal or family history of medullary thyroid carcinoma or in patients with Multiple Endocrine Neoplasia syndrome type 2 ( 4 ) Known serious hypersensitivity to tirzepatide or any of the excipients in ZEPBOUND ( 4 )
Pregnancy & Breastfeeding
8.1 Pregnancy Pregnancy Exposure Registry There will be a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to ZEPBOUND (tirzepatide) during pregnancy. Pregnant patients exposed to ZEPBOUND and healthcare providers are encouraged to contact Eli Lilly and Company at 1-800-LillyRx (1-800-545-5979). Risk Summary Weight loss offers no benefit to a pregnant patient and may cause fetal harm. Advise pregnant patients that weight loss is not recommended during pregnancy and to discontinue ZEPBOUND when a pregnancy is recognized (see Clinical Considerations) . Available data with tirzepatide in pregnant patients are insufficient to evaluate for a drug-related risk of major birth defects, miscarriage, or other adverse maternal or fetal outcomes. Based on animal reproduction studies, there may be risks to the fetus from exposure to tirzepatide during pregnancy. In pregnant rats administered tirzepatide during organogenesis, fetal growth reductions and fetal abnormalities occurred at clinical exposure in maternal rats based on AUC. In rabbits administered tirzepatide during organogenesis, fetal growth reductions were observed at clinically relevant exposures based on AUC. These adverse embryo/fetal effects in animals coincided with pharmacological effects on maternal weight and food consumption (see Data) . The estimated background risk of major birth defects and miscarriage for the indicated population is increased when compared to the general population. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2-4% and 15-20%, respectively. Clinical Considerations Disease-Associated Maternal and/or Embryo/Fetal Risk Appropriate weight gain based on pre-pregnancy weight is currently recommended for all pregnant patients, including those with obesity or overweight, due to the obligatory weight gain that occurs in maternal tissues during pregnancy. Data Animal Data In
3 interactions on record
MOUNJARO delays gastric emptying and may reduce contraceptive efficacy; switch to non-oral method or add barrier contraception for 4 weeks after initiation and dose escalations.
Source: NLP:tirzepatide
Tirzepatide + WarfarinModerate
MOUNJARO delays gastric emptying and may impact absorption; monitor patients on narrow therapeutic index drugs.
Source: NLP:tirzepatide