Core Viewpoint - AbbVie has received marketing approval from the European Commission for its drug Rinvoq to treat giant cell arteritis (GCA), marking the eighth approved indication for this medication [1][4]. Group 1: Rinvoq Approval and Clinical Data - Rinvoq (15 mg, once daily) is the first JAK inhibitor approved in the EU for GCA and the first oral advanced therapy for this condition [2]. - The approval was based on the phase III SELECT-GCA study, which demonstrated that 46% of GCA patients treated with Rinvoq achieved sustained remission compared to 29% in the placebo group [3]. Group 2: Financial Performance and Market Impact - Rinvoq generated sales of nearly 6billionin2024,reflectingayear−over−yearincreaseof50.417.7 billion in 2024, with expectations to exceed 31billionby2027drivenbymarketgrowthandnewindications[8][9].Group3:CompetitiveLandscape−RinvoqandSkyrizihaveshownstrongperformanceagainstothernoveltherapiesinclinicalstudies,providingacompetitiveadvantageinthemarket[8].−OtherJAKinhibitors,suchasPfizer′sXeljanzandLilly/Incyte′sOlumiant,arealsopresentinthemarket,withOlumiantgeneratingsalesof957.4 million and Xeljanz $1.17 billion in 2024 [10][11].