Lloyd, Maxwell R.
Bagheri, Zahra
Scott, Elizabeth C.
Fell, Geoffrey G.
Ryan, Lianne
Keenan, Jennifer C.
Niemierko, Andrzej
Spring, Laura M.
Shin, Jennifer
Isakoff, Steven J.
Moy, Beverly
Padden, Sarah
Fisher, Elizabeth
Newton, Amber
Habin, Karleen R.
Viscosi-Spieler, Elene T.
Scarpetti, Lauren
Varkaris, Andreas
Ellisen, Leif W.
Dubash, Taronish
Che, Dante
Patel, Parasvi S.
Fece de la Cruz, Ferran
Micalizzi, Douglas S.
Maheswaran, Shyamala
Haber, Daniel A.
Juric, Dejan
Bardia, Aditya
Wander, Seth A.
Funding for this research was provided by:
Conquer Cancer Foundation (Twisted Pink Young Investigator Award)
Genentech, Inc
National Institutes of Health (R01CA255602)
Howard Hughes Medical Institute
National Foundation for Cancer Research
Breast Cancer Research Foundation
Article History
Received: 13 May 2026
Accepted: 23 August 2026
First Online: 14 September 2026
Declarations
Competing interests: L.M.S.: consultant/advisory board: Novartis, Daiichi Pharma, Astra Zeneca, Eli Lilly, Precede, Seagen, Pfizer, Gilead. Institutional research support: Merck, Genentech, Gilead, Eli Lilly, Astra Zeneca. S.J.I.: Consultant/advisory board: Aktis, Veracyte. Travel: Paxman Scalp Cooling, Agendia. Institutional research support: Merck, Astra Zeneca. L.W.E.: Consulting/Advisory Board: Astra Zeneca, Gilead, Atavistik, Kasoji. Travel: Dava Oncology, NRG Oncology. Research Funding: Sanofi. S.M. and D.A.H. are co-founders of TellBio, a biotechnology company commercializing the CTC-iChip technology, and their interests are reviewed and managed by Mass General Brigham in accordance with their conflict-of-interest policies. D.J.: Consulting/Advisory Board: Novartis, Roche, AstraZeneca, Pfizer, Lilly, Relay. Institutional Research Support: Novartis, Roche, AstraZeneca, Pfizer, Blueprint, Takeda, Amgen, Lilly. A.B.: Consultant/Advisory board: Pfizer, Novartis, Genentech, Merck, Radius Health, Immunomedics/Gilead, Sanofi, Daiichi Pharma/Astra Zeneca, Eli Lilly. Contracted Research/Grant (to institution): Genentech, Novartis, Pfizer, Merck, Sanofi, Radius Health, Immunomedics/Gilead, Daiichi Pharma/Astra Zeneca, Eli Lilly. S.A.W.: Consulting/Advisory Board: Foundation Medicine, Veracyte, Hologic, Eli Lilly, Biovica, Pfizer, Arvinas, Puma Biotechnology, Novartis, AstraZeneca, Genentech, Regor Therapeutics, Stemline/Menarini, Gilead, Celcuity, Halda Therapeutics, Boundless Bio. Education/Speaking: Eli Lilly, Guardant Health, 2ndMD. Institutional Research Support: Genentech, Eli Lilly, Pfizer, Arvinas, Nuvation Bio, Regor Therapeutics, Sermonix, Puma Biotechnology, Stemline/Menarini, Phoenix Molecular Designs. All other authors declare no competing financial or non-financial interests.