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is indicated for the treatment of adult patients with generalized myasthenia gravis (gMG). VYVGART is a neonatal Fc receptor blocker indicated for the treatment of adult patients with generalized myasthenia gravis (gMG). ( 1 )

is contraindicated in patients with serious hypersensitivity to efgartigimod alfa products or to any of the excipients of VYVGART . Reactions have included anaphylaxis and hypotension leading to syncope [see Warnings and Precautions (5.2) ] . VYVGART is contraindicated in patients with serious hypersensitivity to efgartigimod alfa products or to any of the excipients of VYVGART. ( 4 )

Infections: Delay administration of VYVGART to patients with an active infection. Monitor for signs and symptoms of infection in patients treated with VYVGART. If serious infection occurs, administer appropriate treatment and consider withholding VYVGART until the infection has resolved. ( 5.1 ) Hypersensitivity Reactions: Anaphylaxis, hypotension leading to syncope, angioedema, dyspnea, and rash have occurred. If a hypersensitivity reaction occurs, the healthcare professional should institute appropriate measures if needed or the patient should seek medical attention. ( 4 , 5.2 ) Infusion-Related Reactions: If a severe infusion-related reaction occurs, discontinue the infusion and initiate appropriate therapy; consider risks and benefits of readministering. If a mild to moderate infusion-related reaction occurs, consider rechallenging with close clinical observation, slower infusion rates, and pre-medications. ( 5.3 ) 5.1 Infections VYVGART may increase the risk of infection. The most common infections observed in Study 1 were urinary tract infection (10% of VYVGART-treated patients compared to 5% of placebo-treated patients) and respiratory tract infections (33% of VYVGART-treated patients compared to 29% of placebo-treated patients) [see Adverse Reactions (6.1) and Clinical Studies (14) ] . A higher frequency of patients who received VYVGART compared to placebo were observed to have below normal levels for white blood cell counts (12% versus 5%, respectively), lymphocyte …

8.1 Pregnancy Pregnancy Exposure Registry There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to VYVGART during pregnancy. Healthcare providers and patients may call 1-855-272-6524 or go to https://www.Vyvgartpregnancy.com to enroll in or to obtain information about the registry. Risk Summary There are no available data on the use of VYVGART during pregnancy. There is no evidence of adverse developmental outcomes following the administration of VYVGART at up to 100 mg/kg/day in rats and rabbits (see Data ). The background rate of major birth defects and miscarriage in the indicated population is unknown. In the U.S. general population, the estimated …