Healthcare Resource Utilization and Cost-of-Illness in Systemic Light Chain (AL) Amyloidosis in Europe: Results From the Real-World, Retrospective EMN23 Study.

Objectives: To report healthcare resource utilization (HCRU) and safety outcomes in systemic light chain (AL) amyloidosis from the EMN23 study.
Materials and Methods: The retrospective, observational, multinational EMN23 study included 4,480 patients initiating first-line treatment for AL amyloidosis in 2004-2018 and assessed, among other objectives, HCRU and safety outcomes. HCRU included hospitalizations, examinations, and dialysis; safety included serious adverse events (SAEs) and adverse events of special interest (AESIs). Data were descriptively analyzed by select prognostic factors (e.g., cardiac staging by Mayo2004/European) for 2004-2010 and 2011-2018. A cost-of-illness analysis was conducted for the UK and Spain.
Results: HCRU/safety and dialysis data were extracted for 674 and 774 patients, respectively. Of patients with assessed cardiac stage (2004-2010: 159; 2011-2018: 387), 67.9% and 61.0% had ≥ 1 hospitalization, 56.0% and 51.4% had ≥ 1 SAE, and 31.4% and 28.9% had ≥ 1 AESI across all cardiac stages in 2004-2010 and 2011-2018, respectively. The per-patient-per-year length of hospitalization increased with disease severity (cardiac stage). Of patients with dialysis data (2004-2010: 176; 2011-2018: 453), 23.9% and 14.8% had ≥ 1 dialysis session across all cardiac stages in 2004-2010 and 2011-2018, respectively. The annual cost-of-illness was estimated at €40,961,066 and €31,904,386 for the UK and Spain, respectively; dialysis accounted for ∼28% (UK) and ∼35% (Spain) of the total AL amyloidosis costs.
Conclusions: EMN23 showed that the burden of AL amyloidosis is substantial, highlighting the need for early disease diagnosis and effective treatments targeting the underlying pathology.
Competing Interests: Disclosure Arnaud Jaccard, honoraria from Servier, Amgen, Abbvie, and Pfizer; participating in advisory committees for Janssen; research funding from Sanofi and Janssen; Frank Bridoux, lecture fees from Janssen, Astra Zeneca, GSK, and Novartis; consultancy for Janssen, Attralus and Astra Zeneca; Wilfried Roeloffzen, honoraria/advisory board from Janssen, MSD, Amgen, and Sanofi; Monique C. Minnema, honoraria from BMS; consultancy for Janssen-Cilag, GSK, CDR life and Gilead; speaker's bureau for Medscape. Research support from Beigene; Rui Bergantim, honoraria/advisory board from Janssen, BMS, Amgen, Takeda and Pfizer; research funding from BMS and Amgen; Roman Hájek, consultancy/advisory relationship with Janssen, Amgen, Celgene, Abbvie, BMS, Novartis, PharmaMar, and Takeda; honoraria from Janssen, Amgen, Celgene, BMS, PharmaMar, and Takeda; research funding from Janssen, Amgen, Celgene, BMS, Novartis, and Takeda; Cristina João, scientific advisory for Takeda, BMS, Janssen, GSK, and Amgen, Abbvie, Pfizer; M. Teresa Cibeira, honoraria for lectures/advisory board for Janssen, Amgen, Akcea, and Sanofi; Giovanni Palladini; participating in advisory boards for Alexion, Argobio, Janssen, and Protego; honoraria from Alexion, Argobio, Janssen, Protego, The Binding Site, Pfizer, Prothena, Sebia, and Siemens; research funding from Gate bioscience and The Binding Site; Stefan Schönland, research support from Janssen, Prothena, and Sanofi; participating in advisory boards for Janssen, Telix, and Prothena; honoraria from Janssen, Takeda, Pfizer, and Prothena; travel and congress participation grants from Janssen, Prothena, Celgene, Binding Site, and Jazz; Paolo Milani, speaker honoraria from Janssen and Pfizer; participating in advisory board for Janssen; Meletios A. Dimopoulos, honoraria from participation in advisory boards from Abbvie, Amgen, Bristol Myers Squibb, Beigene Inc, GSK, Janssen, Karyopharm, Pfizer, Regeneron, Sanofi and Takeda; Ute Hegenbart, travel grants from Janssen, Prothena, and Pfizer; participating in advisory boards for Pfizer, Janssen, and Prothena; honoraria from Janssen, Pfizer, Alnylam, and Akcea; research funding from Janssen and Prothena; Blanca Gros, current employment with Janssen; Aisha Asra, current employment with Janssen; Valeria Magarotto, current employment with Janssen; Giorgos Cheliotis, current employment with Health Data Specialists; Giorgos Psarros, current employment with Health Data Specialists; Pieter Sonneveld, research support from Janssen, BMS, Sanofi, and Amgen, all for EMN trials; participating in advisory boards for Janssen, BMS, Sanofi, Amgen, Cargen, and Pfizer; Ashutosh Wechalekar, honoraria/advisory board from Janssen, Alexion, Attralus, Celgene/BMS, Takeda, and GSK; Efstathios Kastritis, honoraria/advisory board from Genesis Pharma, Janssen, GSK, and Pfizer; research support from Amgen, Janssen, and Pfizer.
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