AGO Recommendations for the Diagnosis and Treatment of Patients with Locally Advanced and Metastatic Breast Cancer: Update 2023.

The Breast Committee of the Arbeitsgemeinschaft Gynäkologische Onkologie (German Gynecological Oncology Group, AGO) presents the 2023 update of the evidence-based recommendations for the diagnosis and treatment of patients with locally advanced and metastatic breast cancer (mBC).
Competing Interests: The authors have the following conflicts of interest: Prof. Dr. Med. Marc Thill: MT received personal fees for consulting from Agendia, Amgen, AstraZeneca, Aurikamed, Becton/Dickinson, Biom‘Up, ClearCut, Clovis, Daiichi Sankyo, Eisai, Exact Sciences, Gilead Science, Grünenthal, GSK, Lilly, MSD, Norgine, NeoDynamics, Novartis, Onkowissen, Organon, Pfizer, pfm Medical, Pierre Fabre, Roche, RTI Surgical, Seagen, Sirius Pintuition, and Sysmex; for manuscript support from Amgen, ClearCut, Clovis, pfm medical, Roche, and Servier; for travel expenses from Amgen, Art Tempi, AstraZeneca, ClearCut, Clovis, ConnectMedica, Daiichi Sankyo, Eisai, Exact Sciences, Gilead, Hexal, I-Med-Institute, Lilly, MCI, Medtronic, MSD, NeoDynamics, Norgine, Novartis, Pfizer, pfm Medical, Roche, RTI Surgical, and Seagen; for congress support Amgen, AstraZeneca, Celgene, Daiichi Sankyo, Hexal, NeoDynamics, Novartis, Pfizer, Roche, and Sirius Medical; for lectures from Amgen, Art Tempi, AstraZeneca, Clovis, ConnectMedica, Eisai, Exact Sciences, Gedeon Richter, Gilead Science, GSK, Hexal, I-Med-Institute, Jörg Eickeler, Laborarztpraxis Walther, Lilly, MCI, Medscape, MSD, Medtronic, Novartis, Onkowissen, Pfizer, pfm medical, Roche, Seagen, STREAMED UP, Sysmex, Vifor, and Viatris; for trial funding from Endomag, Exact Sciences; and institutional fees from AstraZeneca, Biom’Up, Celgene, ClearCut, NeoDynamics, Novartis, pfm medical, Roche, and RTI Surgical. Prof. Dr. Med. Ute-Susann Albert, lectures: Pfizer, Novartis, and AstraZeneca; advisory board: Daiichi Sankyo. PD Dr. Malgorzata Banys-Paluchowski: M.B. has received honoraria for lectures and advisory from Roche, Novartis, Pfizer, pfm, Eli Lilly, Onkowissen, Seagen, AstraZeneca, Eisai, Amgen, Samsung, Canon, MSD, GSK, Daiichi Sankyo, Gilead, Sirius Pintuition, Pierre Fabre, and Exact Sciences; study support from Endomag, Mammotome, Merit Medical, Gilead, Hologic, and Exact Sciences; and travel/congress support from Eli Lilly, Exact Sciences, Pierre Fabre, Pfizer, Daiichi Sankyo, and Roche. Dr. Med. Ingo Bauerfeind, honoraria for lectures: Pfizer, Roche, and Seagen. Prof. Dr. Med. Jens-Uwe Blohmer, honoraria for advisory boards and lectures: AstraZeneca, Daiichi Sankyo, Eisai, Gilead, Lilly, MSD, Novartis, Pfizer, Roche, and Seagen. Prof. Dr. Med. Wilfried Budach, lecture: Merck, BMS, Jörg Eickeler Veranstaltungen, medpublico GmbH, and BVDST. Prof. Dr. Med. Peter Dall, honoraria for lectures and advisory boards: Novartis, Pierre Fabre, Gilead, MSD, Daiichi Sankyo, Lilly, AstraZeneca, Pfizer, and Roche. Prof. Dr. Nina Ditsch, advisory boards and speakers bureaus advisory boards and speakers bureaus: AstraZeneca, Aurikamed, BGGF, Daiichi Sankyo, Elsevier Verlag, ESO, Exact Sciences, Gilead, GSK, if-Kongress, KelCon, Leopoldina Schweinfurt, Lilly, Lukon, Molecular Health, MSD, Novartis, Onkowissen, Pfizer, RG-Ärztefortbildungen, Roche, and Seagen. Prof. Dr. Med. Eva Maria Fallenberg, research grant: DFG; speaker honorarium: GE Healthcare, Bayer Healthcare, Guerbet, Siemens, BD, Roche, EUSOBI, ESOR, ESMO. Prof. Dr. Med. Peter A. Fasching, advisory board: Pfizer, Novartis, Roche, Daiichi Sankyo, Eisai, AstraZeneca, Lilly, MSD, Seagen, Agendia, Pierre Fabre, Sanofi-Aventis, and Gilead Science; lecture: Pfizer, Novartis, Roche, Daiichi Sankyo, Eisai, AstraZeneca, Lilly, MSD, Seagen, and Gilead Sciences; and other: Onkowissen, art tempi. Prof. Dr. Med. Tanja N. Fehm, Onkowissen. Prof. Dr. Med. Michael Friedrich, advisory board: Gilead Sciences; other honoraria: Roche and MSD. Prof. Dr. Med. Bernd Gerber, lecture honoraria: Roche, AstraZeneca, Seagen, Novartis, Pfizer, and MedConcept; and others: Pfizer. PD Dr. Med. Oleg Gluz, honoraria for lectures and/or consulting: Amgen, AstraZeneca, Daiichi Sankyo, Gilead Science, Lilly, MSD, Novartis, Pfizer, Roche, Seagen, Exact Sciences, and Agendia; and minority share holder: Westdeutsche Studiengruppe (WSG)mmc1. Prof. Dr. Med. Nadia Harbeck, honoraria for lectures and/or consulting: Amgen, AstraZeneca, Daiichi Sankyo, Gilead, Lilly, MSD, Novartis, Pierre Fabre, Pfizer, Roche, Sandoz, Sanofi, Seagen, Viatris, and Zuellig Pharma; minority share holder: Westdeutsche Studiengruppe (WSG). Prof. Dr. Med. Andreas Hartkopf, honoraria for consulting and speaking engagements from AstraZeneca, Agendia, Amgen, Clovis, Daiichi Sankyo, Eisai, Exact Science, Gilead, GSK, Hexal, Lilly, MSD, Novartis, Onkowissen, Pfizer, Roche, Pierre Fabre, Seagen, Stemline, and Verazyte. Prof. Dr. Med. Jörg Heil, none. Prof. Dr. Med. Jens Huober, trial funding: Novartis and Lilly; honoraria for lectures: Lilly, Novartis, Roche, Pfizer, AstraZeneca, MSD, Celgene; AbbVie, Seagen, Gilead, and Daiichi; honoraria for consulting/advisory board: Lilly, Novartis, Roche, Pfizer, AstraZeneca, MSD, AbbVie, Daiichi, and Gilead; and travel grants: Roche, Pfizer, Daiichi, and Gilead. Prof. Dr. Med. Christian Jackisch, advisory board: AstraZeneca, Novartis, Lilly, Gilead, Exact Sciences, Pfizer, Roche, GSK, Pierre Fabre, Roche, and Seagen; lecture: Art tempi, AstraZeneca, Lilly, Novartis, Roche, Amgen, Pierre Fabre, Exact Sciences, MSD, Gyn Update, and STREAMED UP. Prof. Dr. Med. Cornelia Kolberg-Liedtke, advisory board: SeaGen, Exact Sciences, Pfizer, Novartis, AstraZeneca, Lilly, SeaGen, Daiichi Sankyo, Agendia, Gilead, and Onkowissen; and lecture: Novartis Ireland, NOGGO, CECOG, PINK, Pfizer, Roche, AstraZeneca, Carl Zeiss Meditec, Lilly, SeaGen, and Daiichi Sankyo; other: Gilead Science and POMME; stockholding: Phaon Scientific and Theraclion SA; and trial Funding: Gilead Science. Prof. Dr. Med. Hans-Heinrich Kreipe, advisory board: Lilly; lecture: AstraZeneca, Roche, Daiichi Sankyo, and Pfizer. PD Dr. David Krug, lecture: Merck Sharp and Dohme, Onkowissen, and Pfizer; research funding: Merck KGaA; and advisory board: Gilead. Prof. Dr. med. Thorsten Kühn, advisory board: Sysmex and NeoDynamics; trial funding: Merit Medical, Endomag, and Mammotome; and lecture: Pfizer. Prof. Dr. Med. Sherko Kümmel, lecture: Roche, Lilly, Exact Sciences, Novartis, Amgen, Daiichi Sankyo, AstraZeneca, Somatex, MSD, Pfizer, pfm medical, Seagen, Gilead Science, and Agendia; other honoraria: Roche, Daiichi Sankyo, and Sonoscape; and advisory board: Lilly, MSD, and Roche. Prof. Dr. Med. Sibylle Loibl, board, advisory board, institutional: AbbVie, Amgen, AstraZeneca, BMS, Celgene, DSI, EirGenix, GSK, Gilead Science, Lilly, Merck, Novartis, Olema, Pfizer, Pierre Fabre, Relay Therapeutics, Puma, Roche, Samsung, Sanofi, and Seagen; invited speaker, institutional: AstraZeneca, DSI, Gilead, Novartis, Pfizer, Pierre Fabre, Roche, and Seagen; invited speaker, personal: Medscape and Stemline-Menarini; trial funding/others: AstraZeneca, AbbVie, Celgene, Daiichi Sankyo, Greenwich Life Sciences, Immunomedics/Gilead, Molecular Health, Novartis, Pfizer, Roche, Seagen, VM Scope Gmbp. Prof. Dr. Med. Diana Lüftner, lecture: Lilly, Roche, MSD, Onkowissen, Novartis, Pfizer, Daiichi Sankyo, Gilead, AstraZeneca, Loreal, and high4md; advisory board: Lilly, Advisory board: Lilly, Roche, MSD, Novartis, Pfizer, Daiichi Sankyo, Gilead, and AstraZeneca; and other: Novartis. Prof. Dr. Med. Michael Patrick Lux: M.P.L. has participated on advisory boards for AstraZeneca, Lilly, MSD, Novartis, Pfizer, Eisai, Gilead, Exact Sciences, Pierre Fabre, Grünenthal, Daiichi Sankyo, PharmaMar, Roche, SamanTree, Sysmex, and Hexal; and has received honoraria for lectures from MSD, Lilly, Roche, Novartis, Pfizer, Exact Sciences, Daiichi Sankyo, Grünenthal, pfm, Gilead, AstraZeneca, and Eisai. Prof. Dr. Med. Nicolai Maass, advisory board: Amgen, AstraZeneca, Clovis, Daiichi Sankyo, GSK, Lilly, MSD, Novartis, Pierre Fabre, Pfizer, Roche, and Seagen; and lecture: AstraZeneca, Daiichi Sankyo, GSK, Lilly, Novartis, Pfizer, and Roche. Prof. Dr. Med. Christoph Mundhenke, advisory board: AstraZeneca, Pfizer, Daiichi Sankyo, Seagen, and Novartis; and lecture: Pfizer and Novartis. Prof. Dr. Med. Toralf Reimer; trial funding: German Cancer Aid and Else Kroener-Fresenius-Stiftung; advisory board: MSD, Novartis, and Myriad; and lecture: Pfizer, Novartis, Roche, and AstraZeneca. Prof. Dr. Med. Kerstin Rhiem, lecture: AstraZeneca, Amgen, and Roche. Prof. Dr. Med. Achim Rody, advisory board: AstraZeneca, Novartis, Roche, Exact Sciences, Pierre Fabre, Lilly, Seagen, Amgen, and MSD; lecture: Pfizer, Celgene, and Eisai; and trial funding: Eisai. Prof. Dr. Med. Marcus Schmidt: MS reports personal fees from AstraZeneca, BioNTech, Daiichi Sankyo, Eisai, Lilly, MSD, Novartis, Pantarhei Bioscience, Pfizer, Pierre Fabre, Roche, and SeaGen; his institution has received research funding from AstraZeneca, BioNTech, Eisai, Genentech, German Breast Group, Novartis, Palleos, Pantarhei Bioscience, Pierre Fabre, and SeaGen. In addition, he has a patent for EP 2390370 B1 and a patent for EP 2951317 B1 issued. Prof. Dr. Med. Andreas Schneeweiss, lecture: Amgen, AstraZeneca, Aurikamed, Clinsol, ConnectMedica, Gilead Science, GSK, I-Med, Lilly, MSD, NanoString, Novartis, Onkowissen, Promedicis, Pfizer, Pierre Fabre, Roche, Seagen, and STREAMED UP; and other: Thieme. Prof. Dr. Med. Florian Schütz, lecture: Amgen, AstraZeneca, Daiichi Sankyo, Eisai, Exact Sciences, Gilead, Pfizer, MSD, Novartis, Onkowissen, and Roche Pharma; and advisory board: Lilly, MSD, and Atheneum Partners; and travel expenses: Lilly, Daiichi Sankyo, and Amgen. Prof. Dr. Med. Hans-Peter Sinn, advisory board: Exact Sciences and Daiichi Sankyo; lecture: AstraZeneca; and trial Funding: AstraZeneca. Prof. Dr. Med. Christine Solbach, lecture: DiaLog Service GmbH, Jörg Eickeler, Pfizer, MedConcept, Medicultus, GBG, Dt. Röntgengesellschaft, BVF Akademie, LÄK Hessen Akademie, Meet the Expert Academy; advisory board: MSD and Roche. Prof. Dr. Med. Erich-Franz Solomayer, Roche, Amgen, Celgen, Tesaro, AstraZeneca, Pfizer, Storz, Erbe, Gedeon Richter, Eisai, Medac, MSD, Vifor, Teva, Ethikon, Johnson & Johnson, Daiichi Sankyo, Gilead, Exact Sciences, GSK, and Pierre Fabre. Prof. Dr. Med. Elmar Stickeler, advisory boards: Gilead, Iomedico, Lilly, MSD, and Seagen; and lecture: Pfizer, Bsh Düsseldorf, Gilead, Iomedico, PharmaMar, Onkowissen, and Roche. Prof. Dr. Med. Christoph Thomssen, compensation for advisory boards, lectures or publications: Amgen, AstraZeneca, Aurikamed, Daiichi Sankyo, Forum Sanitas, Gilead, Jörg Eickeler, Hexal, Lilly, Medupdate, MSD, NanoString, Novartis, Onkowissen, Pfizer, Roche, Seagen, and Vifor. Prof. Dr. Med. Michael Untch: M. U. has received honoraria for lectures and consulting or advisory role from AstraZeneca, Art tempi, Amgen, Daiichi Sankyo, Lilly, Roche, Pfizer, MSD Oncology, Pierre Fabre, Sanofi-Aventis, Myriad, Seagen, Novartis, Gilead, Stemline, Genzyme, Agendia, Onkowissen, Eisai; all honoraria and fees to the employer/institution. Prof. Dr. Isabell Witzel, lecture: Daiichi Sankyo, Pfizer, Roche, MSD, Lilly, Seagen, AstraZeneca, and Gilead; other: Onkowissen. Prof. Dr. Med. Achim Wöckel; advisory board: Amgen, AstraZeneca, Aurikamed, Celgene, Eisai, Lilly, Novartis, Pfizer, Roche, Tesaro, Sirtex, MSD, Genomic Health, Pierre Fabre, Clovis, and Organon. PD. Dr. Rachel Würstlein, Agendia, Amgen, Aristo, AstraZeneca, Aurikamed, Celgene, Clinsol, Clovis Oncology, Daiichi Sankyo, Eisai, Exact Sciences, FOMF, Gilead, Glaxo Smith Kline, Hexal, Lilly, MCI, medconcept, Medstrom Medical, MSD, Mundipharma, Mylan, NanoString, Novartis, Odonate, Paxman, Palleos, Pfizer, Pierre Fabre, PINK, Pomme-med, Puma Biotechnology, Riemser, Roche, Sandoz/Hexal, Sanofi Genzyme, Seattle Genetics/Seagen, Stemline, Tesaro Bio, Teva, Veracyte, and Viatris. Prof. Dr. Med. Volkmar Müller: VM received speaker honoraria from Amgen, AstraZeneca, Daiichi Sankyo, Eisai, Pfizer, MSD, Novartis, Roche, Teva, Seattle Genetics, Genomic Health, Hexal, Roche, Pierre Fabre, Clinsol, Daiichi Sankyo, Eisai, Lilly, Tesaro, Seattle Genetics, and Nektar; institutional research support from Novartis, Roche, Seattle Genetics, and Genentech; and travel grants: Roche, Pfizer, and Daiichi Sankyo. Prof. Dr. Med. Wolfgang Janni, lecture: Amgen, AstraZeneca, Daiichi Sankyo, Lilly, MSD, Novartis, Pfizer, Roche, Seagen, and Gilead Science; trial Funding: Amgen, AstraZeneca, Lilly, Novartis, and Roche. Prof. Dr. Tjoung-Won Park-Simon, honoraria for lectures and/or consulting: Roche, AstraZeneca, GSK, Pfizer, Lilly, MSD, Exact Sciences, Daiichi Sankyo, Seagen, Novartis, Gilead Science, NCO, Onkowissen, Exact Sciences, and Seagen; and travel compensation: Roche, AstraZeneca, and Pfizer.
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