• Annals of surgery · May 2023

    International Center-Level Variation in Utilization of Completion Lymph Node Dissection and Adjuvant Systemic Therapy for Sentinel Lymph Node Positive Melanoma at Major Referral Centers.

    • Kristy K Broman, Tasha M Hughes, Brooke C Bredbeck, James Sun, Dennis Kirichenko, Michael J Carr, Avinash Sharma, Edmund K Bartlett, Amanda A G Nijhuis, John F Thompson, Tina J Hieken, Lisa Kottschade, Jennifer Downs, David E Gyorki, Emma Stahlie, Alexander van Akkooi, David W Ollila, Kristin O'shea, Yun Song, Giorgos Karakousis, Marc Moncrieff, Jenny Nobes, John Vetto, Dale Han, Meghan Hotz, Jeffrey M Farma, Jeremiah L Deneve, Martin D Fleming, Matthew Perez, Kirsten Baecher, Michael Lowe, Roger Olofsson Bagge, Jan Mattsson, Ann Y Lee, Russell S Berman, Harvey Chai, Hidde M Kroon, Juri Teras, Roland M Teras, Norma E Farrow, Georgia M Beasley, Jane Yuet Ching Hui, Lukas Been, Schelto Kruijff, Brandy Sinco, Amod A Sarnaik, Vernon K Sondak, Jonathan S Zager, Lesly A Dossett, and International High Risk Melanoma Consortium.
    • Moffitt Cancer Center, Tampa, FL.
    • Ann. Surg. 2023 May 1; 277 (5): e1106e1115e1106-e1115.

    ObjectiveThe aim of this study was to determine overall trends and center-level variation in utilization of completion lymph node dissection (CLND) and adjuvant systemic therapy for sentinel lymph node (SLN)-positive melanoma.Summary Background DataBased on recent clinical trials, management options for SLN-positive melanoma now include effective adjuvant systemic therapy and nodal observation instead of CLND. It is unknown how these findings have shaped practice or how these contemporaneous developments have influenced their respective utilization.MethodsWe performed an international cohort study at 21 melanoma referral centers in Australia, Europe, and the United States that treated adults with SLN-positive melanoma and negative distant staging from July 2017 to June 2019. We used generalized linear and multinomial logistic regression models with random intercepts for each center to assess center-level variation in CLND and adjuvant systemic treatment, adjusting for patient and disease-specific characteristics.ResultsAmong 1109 patients, performance of CLND decreased from 28% to 8% and adjuvant systemic therapy use increased from 29 to 60%. For both CLND and adjuvant systemic treatment, the most influential factors were nodal tumor size, stage, and location of treating center. There was notable variation among treating centers in management of stage IIIA patients and use of CLND with adjuvant systemic therapy versus nodal observation alone for similar risk patients.ConclusionsThere has been an overall decline in CLND and simultaneous adoption of adjuvant systemic therapy for patients with SLN-positive melanoma though wide variation in practice remains. Accounting for differences in patient mix, location of care contributed significantly to the observed variation.Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved.

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