Pembrolizumab for Early Triple-Negative Breast Cancer.


Journal

The New England journal of medicine
ISSN: 1533-4406
Titre abrégé: N Engl J Med
Pays: United States
ID NLM: 0255562

Informations de publication

Date de publication:
27 02 2020
Historique:
entrez: 27 2 2020
pubmed: 27 2 2020
medline: 17 3 2020
Statut: ppublish

Résumé

Previous trials showed promising antitumor activity and an acceptable safety profile associated with pembrolizumab in patients with early triple-negative breast cancer. Whether the addition of pembrolizumab to neoadjuvant chemotherapy would significantly increase the percentage of patients with early triple-negative breast cancer who have a pathological complete response (defined as no invasive cancer in the breast and negative nodes) at definitive surgery is unclear. In this phase 3 trial, we randomly assigned (in a 2:1 ratio) patients with previously untreated stage II or stage III triple-negative breast cancer to receive neoadjuvant therapy with four cycles of pembrolizumab (at a dose of 200 mg) every 3 weeks plus paclitaxel and carboplatin (784 patients; the pembrolizumab-chemotherapy group) or placebo every 3 weeks plus paclitaxel and carboplatin (390 patients; the placebo-chemotherapy group); the two groups then received an additional four cycles of pembrolizumab or placebo, and both groups received doxorubicin-cyclophosphamide or epirubicin-cyclophosphamide. After definitive surgery, the patients received adjuvant pembrolizumab or placebo every 3 weeks for up to nine cycles. The primary end points were a pathological complete response at the time of definitive surgery and event-free survival in the intention-to-treat population. At the first interim analysis, among the first 602 patients who underwent randomization, the percentage of patients with a pathological complete response was 64.8% (95% confidence interval [CI], 59.9 to 69.5) in the pembrolizumab-chemotherapy group and 51.2% (95% CI, 44.1 to 58.3) in the placebo-chemotherapy group (estimated treatment difference, 13.6 percentage points; 95% CI, 5.4 to 21.8; P<0.001). After a median follow-up of 15.5 months (range, 2.7 to 25.0), 58 of 784 patients (7.4%) in the pembrolizumab-chemotherapy group and 46 of 390 patients (11.8%) in the placebo-chemotherapy group had disease progression that precluded definitive surgery, had local or distant recurrence or a second primary tumor, or died from any cause (hazard ratio, 0.63; 95% CI, 0.43 to 0.93). Across all treatment phases, the incidence of treatment-related adverse events of grade 3 or higher was 78.0% in the pembrolizumab-chemotherapy group and 73.0% in the placebo-chemotherapy group, including death in 0.4% (3 patients) and 0.3% (1 patient), respectively. Among patients with early triple-negative breast cancer, the percentage with a pathological complete response was significantly higher among those who received pembrolizumab plus neoadjuvant chemotherapy than among those who received placebo plus neoadjuvant chemotherapy. (Funded by Merck Sharp & Dohme [a subsidiary of Merck]; KEYNOTE-522 ClinicalTrials.gov number, NCT03036488.).

Sections du résumé

BACKGROUND
Previous trials showed promising antitumor activity and an acceptable safety profile associated with pembrolizumab in patients with early triple-negative breast cancer. Whether the addition of pembrolizumab to neoadjuvant chemotherapy would significantly increase the percentage of patients with early triple-negative breast cancer who have a pathological complete response (defined as no invasive cancer in the breast and negative nodes) at definitive surgery is unclear.
METHODS
In this phase 3 trial, we randomly assigned (in a 2:1 ratio) patients with previously untreated stage II or stage III triple-negative breast cancer to receive neoadjuvant therapy with four cycles of pembrolizumab (at a dose of 200 mg) every 3 weeks plus paclitaxel and carboplatin (784 patients; the pembrolizumab-chemotherapy group) or placebo every 3 weeks plus paclitaxel and carboplatin (390 patients; the placebo-chemotherapy group); the two groups then received an additional four cycles of pembrolizumab or placebo, and both groups received doxorubicin-cyclophosphamide or epirubicin-cyclophosphamide. After definitive surgery, the patients received adjuvant pembrolizumab or placebo every 3 weeks for up to nine cycles. The primary end points were a pathological complete response at the time of definitive surgery and event-free survival in the intention-to-treat population.
RESULTS
At the first interim analysis, among the first 602 patients who underwent randomization, the percentage of patients with a pathological complete response was 64.8% (95% confidence interval [CI], 59.9 to 69.5) in the pembrolizumab-chemotherapy group and 51.2% (95% CI, 44.1 to 58.3) in the placebo-chemotherapy group (estimated treatment difference, 13.6 percentage points; 95% CI, 5.4 to 21.8; P<0.001). After a median follow-up of 15.5 months (range, 2.7 to 25.0), 58 of 784 patients (7.4%) in the pembrolizumab-chemotherapy group and 46 of 390 patients (11.8%) in the placebo-chemotherapy group had disease progression that precluded definitive surgery, had local or distant recurrence or a second primary tumor, or died from any cause (hazard ratio, 0.63; 95% CI, 0.43 to 0.93). Across all treatment phases, the incidence of treatment-related adverse events of grade 3 or higher was 78.0% in the pembrolizumab-chemotherapy group and 73.0% in the placebo-chemotherapy group, including death in 0.4% (3 patients) and 0.3% (1 patient), respectively.
CONCLUSIONS
Among patients with early triple-negative breast cancer, the percentage with a pathological complete response was significantly higher among those who received pembrolizumab plus neoadjuvant chemotherapy than among those who received placebo plus neoadjuvant chemotherapy. (Funded by Merck Sharp & Dohme [a subsidiary of Merck]; KEYNOTE-522 ClinicalTrials.gov number, NCT03036488.).

Identifiants

pubmed: 32101663
doi: 10.1056/NEJMoa1910549
doi:

Substances chimiques

Antibodies, Monoclonal, Humanized 0
Epirubicin 3Z8479ZZ5X
Doxorubicin 80168379AG
Cyclophosphamide 8N3DW7272P
Carboplatin BG3F62OND5
pembrolizumab DPT0O3T46P
Paclitaxel P88XT4IS4D

Banques de données

ClinicalTrials.gov
['NCT03036488']

Types de publication

Clinical Trial, Phase III Journal Article Multicenter Study Randomized Controlled Trial Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

810-821

Subventions

Organisme : Merck Sharp and Dohme
ID : N/A
Pays : International

Investigateurs

Yoland Antill (Y)
Sally Baron-Hay (S)
Rina Hui (R)
Po-Ling Inglis (PL)
Nick Murray (N)
Jacqui Thomson (J)
Daphne Tsoi (D)
Carlos Henrique E Barrios (CHE)
Ademar Dantas Da Cunha (AD)
Rita de Cassia Costamilan (R)
Fabio de Figueiredo Chaves (F)
Ruffo de Freitas (R)
Gustavo Colagiovanni Girotto (GC)
Rudinei Diogo Marques Linck (RDM)
Jose Luiz Pedrini (JL)
Nils Gunnar Skare (NG)
Jean-Francois Boileau (JF)
David Cescon (D)
Michel Pavic (M)
Louise Provencher (L)
Andre Robidoux (A)
Xinni Song (X)
Sunil Verma (S)
Ana Cristina Avendano Rojas (AC)
Ricardo Bruges (R)
Manuel Enrique Gonzalez Fernandez (ME)
Maria Elvira Montoya Restrepo (ME)
Luis Leonardo Rojas (LL)
Jesus Oswaldo Sanchez (JO)
Gustova Adolfo Rojas-Uribe (GA)
Hugues Bourgeois (H)
Stephanie Chieze (S)
Dorothee Chocteau-Bouju (D)
Florence Dalenc (F)
Catherine Delbaldo (C)
Nadine Dohollou (N)
Sylvie Giacchetti (S)
Christelle Levy (C)
Delphine Loiret (D)
Marie-Paule Sablin (MP)
Laura Mansi (L)
Marie-Ange Mouret-Reynier (MA)
Mustafa Deryal (M)
Peter A Fasching (PA)
Nadia Harbeck (N)
Andreas Hartkopf (A)
Christian Martin Kurbacher (CM)
Mattea Reinisch (M)
Christoph Thomssen (C)
Michael Untch (M)
Isabell Witzel (I)
Conleth Murphy (C)
Janice Walshe (J)
David Geffen (D)
Margarita Tokar (M)
Daniella Katz (D)
Shani Paluch-Shimon (S)
Bella Kaufman (B)
Tamar Peretz-Yablonski (T)
Larisa Ryvo (L)
Ella Evron (E)
Ido Wolf (I)
Salomon Stemmer (S)
Editta Baldini (E)
Giovanni Beneditti (G)
Nicola Battelli (N)
Marco Colleoni (M)
Michelino De Laurentis (M)
Rebecca Pedersini (R)
Andrea Rocco (A)
Masaya Hattori (M)
Hiroji Iwata (H)
Naoki Hayashi (N)
Kenichi Inoue (K)
Yoshifumi Komoike (Y)
Norikazu Masuda (N)
Yasuo Miyoshi (Y)
Hirofumi Mukai (H)
Shinji Ohno (S)
Shoichiro Ohtani (S)
Toshiaki Saeki (T)
Akihiko Osaki (A)
Yasuaki Sagara (Y)
Chikako Shimizu (C)
Kenji Tamura (K)
Masato Takahashi (M)
Toshimi Takano (T)
Yutaka Tokuda (Y)
Naoki Niikura (N)
Koichiro Tsugawa (K)
Junichiro Watanabe (J)
Naohito Yamamoto (N)
Yutaka Yamamoto (Y)
Barbara Bauer-Kosinska (B)
Ewa Chmielowska (E)
Agata Chrzanowska-Kapica (A)
Aleksandra Grela-Wojewoda (A)
Krzysztof Lesniewski Kmak (KL)
Iwona Danielewicz (I)
Aleksandra Lacko (A)
Rafal Tarnawski (R)
Bogdan Zurawski (B)
Fatima Cardoso (F)
Marta Ferreira (M)
Rita Sousa (R)
Maria Rita Dionisi (MR)
Natalia Vladmirovna Fadeeva (NV)
Petr Vladimirovich Krivorotko (PV)
Mikhail Romanovich Lichinitser (MR)
Inna Ganshina (I)
Oleg Nikolaevich Lipatov (ON)
Guzel Zinnurovna Mukhametshina (GZ)
Marina N Nechaeva (MN)
Marina V Shomova (MV)
Rebecca Dent (R)
Jin Hee Ahn (JH)
Seock-Ah Im (SA)
Gun Min Kim (GM)
Yeon Hee Park (YH)
Joan Albanell (J)
Francisco Javier Salvador Bofill (FJS)
Begona Bermejo de Las Heras (BB)
Lucia Gonzalez Cortijo (L)
Esther Holgado (E)
Maria Gion (M)
Rafael Lopez Lopez (R)
Idoia Morilla Ruiz (I)
Rafael Villanueva (R)
Eva Munoz Couselo (E)
Esther Zamora Adelantado (E)
Jose Manuel Perez Garcia (JM)
Anne Andersson (A)
Theodoros Foukakis (T)
Anna-Lotta Hallbeck (AL)
Henrik Lindman (H)
Yuan-Ching Chang (YC)
Shin-Cheh Chen (SC)
Chiun-Sheng Huang (CS)
Kuo-Ting Lee (KT)
Mei-Ching Liu (MC)
Ling-Ming Tseng (LM)
Huseyin Abali (H)
Sercan Aksoy (S)
Cagatay Arslan (C)
Gul Basaran (G)
Irfan Cicin (I)
Serkan Keskin (S)
Nil Molinas Mandel (NM)
Berna Oksuzoglu (B)
Evren Ozdemir (E)
Mustafa Ozdogan (M)
Mustafa Ozguroglu (M)
Ozgur Ozyilkan (O)
Ruchan F Uslu (RF)
Erhan Gokmen (E)
Idris Yucel (I)
Bahiddin Yilmaz (B)
Steve Chan (S)
Janine Graham (J)
Catherine Harper-Wynne (C)
Fiona Kyle (F)
M B Mukesh (MB)
Peter Schmid (P)
Duncan Wheatley (D)
Haythem Ali (H)
Jay C Andersen (JC)
Chiara Battelli (C)
Daniel G Bruetman (DG)
Ebenezer Kio (E)
Jenny Chang (J)
Arvind Chaudhry (A)
Michael Danso (M)
Neelima Denduluri (N)
Jennifer Robinson Diamond (J)
Patrick Dillon (P)
Michael J Guarino (MJ)
Barbara B Haley (BB)
Ronald P Harris (RP)
Frankie Ann Holmes (FA)
Michelina Cairo (M)
William J Irvin (WJ)
Rachel Jankowitz (R)
Leisha Ann Emens (LA)
Vicky E Jones (VE)
Jose Leone (J)
Sneha Phadke (S)
Mary Lopresti (M)
William MacLaughlin (W)
Heather McArthur (H)
Apurva Mehta (A)
Rita Nanda (R)
Ira A Oliff (IA)
Joyce A O'Shaughnessy (JA)
David Page (D)
Debra A Patt (DA)
Lajos Pusztai (L)
Donald A Richards (DA)
Irina Rybalova (I)
Jasgit Sachdev (J)
Poornima Saha (P)
Jennifer Specht (J)
Laura Stampleman (L)
Christopher T F Stokoe (CTF)
Rachel Swart (R)
Eddie Thara (E)
Deborah Lynn Toppmeyer (DL)
Michaela Tsai (M)
Frances Valdes-Albini (F)
Gregory Vidal (G)
Patrick Ward (P)
Thomas D Weyburn (TD)
Elizabeth K Chung (EK)
Sharon T Wilks (ST)
Allyson Harroff (A)
Ying Zhuo (Y)

Commentaires et corrections

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Informations de copyright

Copyright © 2020 Massachusetts Medical Society.

Auteurs

Peter Schmid (P)

From Barts Cancer Institute, Queen Mary University of London, London (P.S.); International Oncology Bureau Institute of Oncology, Quirón Group, Madrid, and Vall d'Hebron Institute of Oncology, Barcelona (J.C.) - both in Spain; Yale School of Medicine, Yale Cancer Center, New Haven, CT (L.P.); Cedars-Sinai Medical Center, Los Angeles (H.M.); Kliniken Essen-Mitte, Essen (S.K.), the Institute of Pathology, Philipps-University Marburg and University of Marburg, Marburg (C.D.), the Breast Center, Department of Obstetrics and Gynecology and Comprehensive Cancer Center Ludwig Maximilian University of Munich, University of Munich, Munich (N.H.), University Hospital Erlangen, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-European Metropolitan Region of Nuremberg, Erlangen (P.A.F.), and the Breast Cancer Center, Helios Klinikum Berlin-Buch, Berlin (M.U.) - all in Germany; the Department of Oncology-Pathology, Karolinska Institutet and Breast Cancer Center, Theme Cancer, Karolinska University Hospital, Solna, Sweden (J.B., T.F.); Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea (Y.H.P.); Westmead Breast Cancer Institute, Westmead Hospital and the University of Sydney, Sydney (R.H.); Department of Breast Surgery, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan (M.T.); the Breast Unit, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal (F.C.); Merck, Kenilworth, NJ (L.J., V.K., J.Z., G.A.); the National Cancer Center Singapore, Duke-National University of Singapore Medical School, Singapore (R.D.); and Baylor University Medical Center, Texas Oncology and US Oncology, Dallas (J.O.).

Javier Cortes (J)

From Barts Cancer Institute, Queen Mary University of London, London (P.S.); International Oncology Bureau Institute of Oncology, Quirón Group, Madrid, and Vall d'Hebron Institute of Oncology, Barcelona (J.C.) - both in Spain; Yale School of Medicine, Yale Cancer Center, New Haven, CT (L.P.); Cedars-Sinai Medical Center, Los Angeles (H.M.); Kliniken Essen-Mitte, Essen (S.K.), the Institute of Pathology, Philipps-University Marburg and University of Marburg, Marburg (C.D.), the Breast Center, Department of Obstetrics and Gynecology and Comprehensive Cancer Center Ludwig Maximilian University of Munich, University of Munich, Munich (N.H.), University Hospital Erlangen, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-European Metropolitan Region of Nuremberg, Erlangen (P.A.F.), and the Breast Cancer Center, Helios Klinikum Berlin-Buch, Berlin (M.U.) - all in Germany; the Department of Oncology-Pathology, Karolinska Institutet and Breast Cancer Center, Theme Cancer, Karolinska University Hospital, Solna, Sweden (J.B., T.F.); Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea (Y.H.P.); Westmead Breast Cancer Institute, Westmead Hospital and the University of Sydney, Sydney (R.H.); Department of Breast Surgery, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan (M.T.); the Breast Unit, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal (F.C.); Merck, Kenilworth, NJ (L.J., V.K., J.Z., G.A.); the National Cancer Center Singapore, Duke-National University of Singapore Medical School, Singapore (R.D.); and Baylor University Medical Center, Texas Oncology and US Oncology, Dallas (J.O.).

Lajos Pusztai (L)

From Barts Cancer Institute, Queen Mary University of London, London (P.S.); International Oncology Bureau Institute of Oncology, Quirón Group, Madrid, and Vall d'Hebron Institute of Oncology, Barcelona (J.C.) - both in Spain; Yale School of Medicine, Yale Cancer Center, New Haven, CT (L.P.); Cedars-Sinai Medical Center, Los Angeles (H.M.); Kliniken Essen-Mitte, Essen (S.K.), the Institute of Pathology, Philipps-University Marburg and University of Marburg, Marburg (C.D.), the Breast Center, Department of Obstetrics and Gynecology and Comprehensive Cancer Center Ludwig Maximilian University of Munich, University of Munich, Munich (N.H.), University Hospital Erlangen, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-European Metropolitan Region of Nuremberg, Erlangen (P.A.F.), and the Breast Cancer Center, Helios Klinikum Berlin-Buch, Berlin (M.U.) - all in Germany; the Department of Oncology-Pathology, Karolinska Institutet and Breast Cancer Center, Theme Cancer, Karolinska University Hospital, Solna, Sweden (J.B., T.F.); Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea (Y.H.P.); Westmead Breast Cancer Institute, Westmead Hospital and the University of Sydney, Sydney (R.H.); Department of Breast Surgery, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan (M.T.); the Breast Unit, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal (F.C.); Merck, Kenilworth, NJ (L.J., V.K., J.Z., G.A.); the National Cancer Center Singapore, Duke-National University of Singapore Medical School, Singapore (R.D.); and Baylor University Medical Center, Texas Oncology and US Oncology, Dallas (J.O.).

Heather McArthur (H)

From Barts Cancer Institute, Queen Mary University of London, London (P.S.); International Oncology Bureau Institute of Oncology, Quirón Group, Madrid, and Vall d'Hebron Institute of Oncology, Barcelona (J.C.) - both in Spain; Yale School of Medicine, Yale Cancer Center, New Haven, CT (L.P.); Cedars-Sinai Medical Center, Los Angeles (H.M.); Kliniken Essen-Mitte, Essen (S.K.), the Institute of Pathology, Philipps-University Marburg and University of Marburg, Marburg (C.D.), the Breast Center, Department of Obstetrics and Gynecology and Comprehensive Cancer Center Ludwig Maximilian University of Munich, University of Munich, Munich (N.H.), University Hospital Erlangen, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-European Metropolitan Region of Nuremberg, Erlangen (P.A.F.), and the Breast Cancer Center, Helios Klinikum Berlin-Buch, Berlin (M.U.) - all in Germany; the Department of Oncology-Pathology, Karolinska Institutet and Breast Cancer Center, Theme Cancer, Karolinska University Hospital, Solna, Sweden (J.B., T.F.); Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea (Y.H.P.); Westmead Breast Cancer Institute, Westmead Hospital and the University of Sydney, Sydney (R.H.); Department of Breast Surgery, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan (M.T.); the Breast Unit, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal (F.C.); Merck, Kenilworth, NJ (L.J., V.K., J.Z., G.A.); the National Cancer Center Singapore, Duke-National University of Singapore Medical School, Singapore (R.D.); and Baylor University Medical Center, Texas Oncology and US Oncology, Dallas (J.O.).

Sherko Kümmel (S)

From Barts Cancer Institute, Queen Mary University of London, London (P.S.); International Oncology Bureau Institute of Oncology, Quirón Group, Madrid, and Vall d'Hebron Institute of Oncology, Barcelona (J.C.) - both in Spain; Yale School of Medicine, Yale Cancer Center, New Haven, CT (L.P.); Cedars-Sinai Medical Center, Los Angeles (H.M.); Kliniken Essen-Mitte, Essen (S.K.), the Institute of Pathology, Philipps-University Marburg and University of Marburg, Marburg (C.D.), the Breast Center, Department of Obstetrics and Gynecology and Comprehensive Cancer Center Ludwig Maximilian University of Munich, University of Munich, Munich (N.H.), University Hospital Erlangen, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-European Metropolitan Region of Nuremberg, Erlangen (P.A.F.), and the Breast Cancer Center, Helios Klinikum Berlin-Buch, Berlin (M.U.) - all in Germany; the Department of Oncology-Pathology, Karolinska Institutet and Breast Cancer Center, Theme Cancer, Karolinska University Hospital, Solna, Sweden (J.B., T.F.); Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea (Y.H.P.); Westmead Breast Cancer Institute, Westmead Hospital and the University of Sydney, Sydney (R.H.); Department of Breast Surgery, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan (M.T.); the Breast Unit, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal (F.C.); Merck, Kenilworth, NJ (L.J., V.K., J.Z., G.A.); the National Cancer Center Singapore, Duke-National University of Singapore Medical School, Singapore (R.D.); and Baylor University Medical Center, Texas Oncology and US Oncology, Dallas (J.O.).

Jonas Bergh (J)

From Barts Cancer Institute, Queen Mary University of London, London (P.S.); International Oncology Bureau Institute of Oncology, Quirón Group, Madrid, and Vall d'Hebron Institute of Oncology, Barcelona (J.C.) - both in Spain; Yale School of Medicine, Yale Cancer Center, New Haven, CT (L.P.); Cedars-Sinai Medical Center, Los Angeles (H.M.); Kliniken Essen-Mitte, Essen (S.K.), the Institute of Pathology, Philipps-University Marburg and University of Marburg, Marburg (C.D.), the Breast Center, Department of Obstetrics and Gynecology and Comprehensive Cancer Center Ludwig Maximilian University of Munich, University of Munich, Munich (N.H.), University Hospital Erlangen, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-European Metropolitan Region of Nuremberg, Erlangen (P.A.F.), and the Breast Cancer Center, Helios Klinikum Berlin-Buch, Berlin (M.U.) - all in Germany; the Department of Oncology-Pathology, Karolinska Institutet and Breast Cancer Center, Theme Cancer, Karolinska University Hospital, Solna, Sweden (J.B., T.F.); Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea (Y.H.P.); Westmead Breast Cancer Institute, Westmead Hospital and the University of Sydney, Sydney (R.H.); Department of Breast Surgery, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan (M.T.); the Breast Unit, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal (F.C.); Merck, Kenilworth, NJ (L.J., V.K., J.Z., G.A.); the National Cancer Center Singapore, Duke-National University of Singapore Medical School, Singapore (R.D.); and Baylor University Medical Center, Texas Oncology and US Oncology, Dallas (J.O.).

Carsten Denkert (C)

From Barts Cancer Institute, Queen Mary University of London, London (P.S.); International Oncology Bureau Institute of Oncology, Quirón Group, Madrid, and Vall d'Hebron Institute of Oncology, Barcelona (J.C.) - both in Spain; Yale School of Medicine, Yale Cancer Center, New Haven, CT (L.P.); Cedars-Sinai Medical Center, Los Angeles (H.M.); Kliniken Essen-Mitte, Essen (S.K.), the Institute of Pathology, Philipps-University Marburg and University of Marburg, Marburg (C.D.), the Breast Center, Department of Obstetrics and Gynecology and Comprehensive Cancer Center Ludwig Maximilian University of Munich, University of Munich, Munich (N.H.), University Hospital Erlangen, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-European Metropolitan Region of Nuremberg, Erlangen (P.A.F.), and the Breast Cancer Center, Helios Klinikum Berlin-Buch, Berlin (M.U.) - all in Germany; the Department of Oncology-Pathology, Karolinska Institutet and Breast Cancer Center, Theme Cancer, Karolinska University Hospital, Solna, Sweden (J.B., T.F.); Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea (Y.H.P.); Westmead Breast Cancer Institute, Westmead Hospital and the University of Sydney, Sydney (R.H.); Department of Breast Surgery, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan (M.T.); the Breast Unit, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal (F.C.); Merck, Kenilworth, NJ (L.J., V.K., J.Z., G.A.); the National Cancer Center Singapore, Duke-National University of Singapore Medical School, Singapore (R.D.); and Baylor University Medical Center, Texas Oncology and US Oncology, Dallas (J.O.).

Yeon Hee Park (YH)

From Barts Cancer Institute, Queen Mary University of London, London (P.S.); International Oncology Bureau Institute of Oncology, Quirón Group, Madrid, and Vall d'Hebron Institute of Oncology, Barcelona (J.C.) - both in Spain; Yale School of Medicine, Yale Cancer Center, New Haven, CT (L.P.); Cedars-Sinai Medical Center, Los Angeles (H.M.); Kliniken Essen-Mitte, Essen (S.K.), the Institute of Pathology, Philipps-University Marburg and University of Marburg, Marburg (C.D.), the Breast Center, Department of Obstetrics and Gynecology and Comprehensive Cancer Center Ludwig Maximilian University of Munich, University of Munich, Munich (N.H.), University Hospital Erlangen, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-European Metropolitan Region of Nuremberg, Erlangen (P.A.F.), and the Breast Cancer Center, Helios Klinikum Berlin-Buch, Berlin (M.U.) - all in Germany; the Department of Oncology-Pathology, Karolinska Institutet and Breast Cancer Center, Theme Cancer, Karolinska University Hospital, Solna, Sweden (J.B., T.F.); Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea (Y.H.P.); Westmead Breast Cancer Institute, Westmead Hospital and the University of Sydney, Sydney (R.H.); Department of Breast Surgery, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan (M.T.); the Breast Unit, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal (F.C.); Merck, Kenilworth, NJ (L.J., V.K., J.Z., G.A.); the National Cancer Center Singapore, Duke-National University of Singapore Medical School, Singapore (R.D.); and Baylor University Medical Center, Texas Oncology and US Oncology, Dallas (J.O.).

Rina Hui (R)

From Barts Cancer Institute, Queen Mary University of London, London (P.S.); International Oncology Bureau Institute of Oncology, Quirón Group, Madrid, and Vall d'Hebron Institute of Oncology, Barcelona (J.C.) - both in Spain; Yale School of Medicine, Yale Cancer Center, New Haven, CT (L.P.); Cedars-Sinai Medical Center, Los Angeles (H.M.); Kliniken Essen-Mitte, Essen (S.K.), the Institute of Pathology, Philipps-University Marburg and University of Marburg, Marburg (C.D.), the Breast Center, Department of Obstetrics and Gynecology and Comprehensive Cancer Center Ludwig Maximilian University of Munich, University of Munich, Munich (N.H.), University Hospital Erlangen, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-European Metropolitan Region of Nuremberg, Erlangen (P.A.F.), and the Breast Cancer Center, Helios Klinikum Berlin-Buch, Berlin (M.U.) - all in Germany; the Department of Oncology-Pathology, Karolinska Institutet and Breast Cancer Center, Theme Cancer, Karolinska University Hospital, Solna, Sweden (J.B., T.F.); Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea (Y.H.P.); Westmead Breast Cancer Institute, Westmead Hospital and the University of Sydney, Sydney (R.H.); Department of Breast Surgery, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan (M.T.); the Breast Unit, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal (F.C.); Merck, Kenilworth, NJ (L.J., V.K., J.Z., G.A.); the National Cancer Center Singapore, Duke-National University of Singapore Medical School, Singapore (R.D.); and Baylor University Medical Center, Texas Oncology and US Oncology, Dallas (J.O.).

Nadia Harbeck (N)

From Barts Cancer Institute, Queen Mary University of London, London (P.S.); International Oncology Bureau Institute of Oncology, Quirón Group, Madrid, and Vall d'Hebron Institute of Oncology, Barcelona (J.C.) - both in Spain; Yale School of Medicine, Yale Cancer Center, New Haven, CT (L.P.); Cedars-Sinai Medical Center, Los Angeles (H.M.); Kliniken Essen-Mitte, Essen (S.K.), the Institute of Pathology, Philipps-University Marburg and University of Marburg, Marburg (C.D.), the Breast Center, Department of Obstetrics and Gynecology and Comprehensive Cancer Center Ludwig Maximilian University of Munich, University of Munich, Munich (N.H.), University Hospital Erlangen, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-European Metropolitan Region of Nuremberg, Erlangen (P.A.F.), and the Breast Cancer Center, Helios Klinikum Berlin-Buch, Berlin (M.U.) - all in Germany; the Department of Oncology-Pathology, Karolinska Institutet and Breast Cancer Center, Theme Cancer, Karolinska University Hospital, Solna, Sweden (J.B., T.F.); Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea (Y.H.P.); Westmead Breast Cancer Institute, Westmead Hospital and the University of Sydney, Sydney (R.H.); Department of Breast Surgery, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan (M.T.); the Breast Unit, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal (F.C.); Merck, Kenilworth, NJ (L.J., V.K., J.Z., G.A.); the National Cancer Center Singapore, Duke-National University of Singapore Medical School, Singapore (R.D.); and Baylor University Medical Center, Texas Oncology and US Oncology, Dallas (J.O.).

Masato Takahashi (M)

From Barts Cancer Institute, Queen Mary University of London, London (P.S.); International Oncology Bureau Institute of Oncology, Quirón Group, Madrid, and Vall d'Hebron Institute of Oncology, Barcelona (J.C.) - both in Spain; Yale School of Medicine, Yale Cancer Center, New Haven, CT (L.P.); Cedars-Sinai Medical Center, Los Angeles (H.M.); Kliniken Essen-Mitte, Essen (S.K.), the Institute of Pathology, Philipps-University Marburg and University of Marburg, Marburg (C.D.), the Breast Center, Department of Obstetrics and Gynecology and Comprehensive Cancer Center Ludwig Maximilian University of Munich, University of Munich, Munich (N.H.), University Hospital Erlangen, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-European Metropolitan Region of Nuremberg, Erlangen (P.A.F.), and the Breast Cancer Center, Helios Klinikum Berlin-Buch, Berlin (M.U.) - all in Germany; the Department of Oncology-Pathology, Karolinska Institutet and Breast Cancer Center, Theme Cancer, Karolinska University Hospital, Solna, Sweden (J.B., T.F.); Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea (Y.H.P.); Westmead Breast Cancer Institute, Westmead Hospital and the University of Sydney, Sydney (R.H.); Department of Breast Surgery, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan (M.T.); the Breast Unit, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal (F.C.); Merck, Kenilworth, NJ (L.J., V.K., J.Z., G.A.); the National Cancer Center Singapore, Duke-National University of Singapore Medical School, Singapore (R.D.); and Baylor University Medical Center, Texas Oncology and US Oncology, Dallas (J.O.).

Theodoros Foukakis (T)

From Barts Cancer Institute, Queen Mary University of London, London (P.S.); International Oncology Bureau Institute of Oncology, Quirón Group, Madrid, and Vall d'Hebron Institute of Oncology, Barcelona (J.C.) - both in Spain; Yale School of Medicine, Yale Cancer Center, New Haven, CT (L.P.); Cedars-Sinai Medical Center, Los Angeles (H.M.); Kliniken Essen-Mitte, Essen (S.K.), the Institute of Pathology, Philipps-University Marburg and University of Marburg, Marburg (C.D.), the Breast Center, Department of Obstetrics and Gynecology and Comprehensive Cancer Center Ludwig Maximilian University of Munich, University of Munich, Munich (N.H.), University Hospital Erlangen, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-European Metropolitan Region of Nuremberg, Erlangen (P.A.F.), and the Breast Cancer Center, Helios Klinikum Berlin-Buch, Berlin (M.U.) - all in Germany; the Department of Oncology-Pathology, Karolinska Institutet and Breast Cancer Center, Theme Cancer, Karolinska University Hospital, Solna, Sweden (J.B., T.F.); Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea (Y.H.P.); Westmead Breast Cancer Institute, Westmead Hospital and the University of Sydney, Sydney (R.H.); Department of Breast Surgery, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan (M.T.); the Breast Unit, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal (F.C.); Merck, Kenilworth, NJ (L.J., V.K., J.Z., G.A.); the National Cancer Center Singapore, Duke-National University of Singapore Medical School, Singapore (R.D.); and Baylor University Medical Center, Texas Oncology and US Oncology, Dallas (J.O.).

Peter A Fasching (PA)

From Barts Cancer Institute, Queen Mary University of London, London (P.S.); International Oncology Bureau Institute of Oncology, Quirón Group, Madrid, and Vall d'Hebron Institute of Oncology, Barcelona (J.C.) - both in Spain; Yale School of Medicine, Yale Cancer Center, New Haven, CT (L.P.); Cedars-Sinai Medical Center, Los Angeles (H.M.); Kliniken Essen-Mitte, Essen (S.K.), the Institute of Pathology, Philipps-University Marburg and University of Marburg, Marburg (C.D.), the Breast Center, Department of Obstetrics and Gynecology and Comprehensive Cancer Center Ludwig Maximilian University of Munich, University of Munich, Munich (N.H.), University Hospital Erlangen, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-European Metropolitan Region of Nuremberg, Erlangen (P.A.F.), and the Breast Cancer Center, Helios Klinikum Berlin-Buch, Berlin (M.U.) - all in Germany; the Department of Oncology-Pathology, Karolinska Institutet and Breast Cancer Center, Theme Cancer, Karolinska University Hospital, Solna, Sweden (J.B., T.F.); Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea (Y.H.P.); Westmead Breast Cancer Institute, Westmead Hospital and the University of Sydney, Sydney (R.H.); Department of Breast Surgery, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan (M.T.); the Breast Unit, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal (F.C.); Merck, Kenilworth, NJ (L.J., V.K., J.Z., G.A.); the National Cancer Center Singapore, Duke-National University of Singapore Medical School, Singapore (R.D.); and Baylor University Medical Center, Texas Oncology and US Oncology, Dallas (J.O.).

Fatima Cardoso (F)

From Barts Cancer Institute, Queen Mary University of London, London (P.S.); International Oncology Bureau Institute of Oncology, Quirón Group, Madrid, and Vall d'Hebron Institute of Oncology, Barcelona (J.C.) - both in Spain; Yale School of Medicine, Yale Cancer Center, New Haven, CT (L.P.); Cedars-Sinai Medical Center, Los Angeles (H.M.); Kliniken Essen-Mitte, Essen (S.K.), the Institute of Pathology, Philipps-University Marburg and University of Marburg, Marburg (C.D.), the Breast Center, Department of Obstetrics and Gynecology and Comprehensive Cancer Center Ludwig Maximilian University of Munich, University of Munich, Munich (N.H.), University Hospital Erlangen, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-European Metropolitan Region of Nuremberg, Erlangen (P.A.F.), and the Breast Cancer Center, Helios Klinikum Berlin-Buch, Berlin (M.U.) - all in Germany; the Department of Oncology-Pathology, Karolinska Institutet and Breast Cancer Center, Theme Cancer, Karolinska University Hospital, Solna, Sweden (J.B., T.F.); Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea (Y.H.P.); Westmead Breast Cancer Institute, Westmead Hospital and the University of Sydney, Sydney (R.H.); Department of Breast Surgery, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan (M.T.); the Breast Unit, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal (F.C.); Merck, Kenilworth, NJ (L.J., V.K., J.Z., G.A.); the National Cancer Center Singapore, Duke-National University of Singapore Medical School, Singapore (R.D.); and Baylor University Medical Center, Texas Oncology and US Oncology, Dallas (J.O.).

Michael Untch (M)

From Barts Cancer Institute, Queen Mary University of London, London (P.S.); International Oncology Bureau Institute of Oncology, Quirón Group, Madrid, and Vall d'Hebron Institute of Oncology, Barcelona (J.C.) - both in Spain; Yale School of Medicine, Yale Cancer Center, New Haven, CT (L.P.); Cedars-Sinai Medical Center, Los Angeles (H.M.); Kliniken Essen-Mitte, Essen (S.K.), the Institute of Pathology, Philipps-University Marburg and University of Marburg, Marburg (C.D.), the Breast Center, Department of Obstetrics and Gynecology and Comprehensive Cancer Center Ludwig Maximilian University of Munich, University of Munich, Munich (N.H.), University Hospital Erlangen, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-European Metropolitan Region of Nuremberg, Erlangen (P.A.F.), and the Breast Cancer Center, Helios Klinikum Berlin-Buch, Berlin (M.U.) - all in Germany; the Department of Oncology-Pathology, Karolinska Institutet and Breast Cancer Center, Theme Cancer, Karolinska University Hospital, Solna, Sweden (J.B., T.F.); Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea (Y.H.P.); Westmead Breast Cancer Institute, Westmead Hospital and the University of Sydney, Sydney (R.H.); Department of Breast Surgery, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan (M.T.); the Breast Unit, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal (F.C.); Merck, Kenilworth, NJ (L.J., V.K., J.Z., G.A.); the National Cancer Center Singapore, Duke-National University of Singapore Medical School, Singapore (R.D.); and Baylor University Medical Center, Texas Oncology and US Oncology, Dallas (J.O.).

Liyi Jia (L)

From Barts Cancer Institute, Queen Mary University of London, London (P.S.); International Oncology Bureau Institute of Oncology, Quirón Group, Madrid, and Vall d'Hebron Institute of Oncology, Barcelona (J.C.) - both in Spain; Yale School of Medicine, Yale Cancer Center, New Haven, CT (L.P.); Cedars-Sinai Medical Center, Los Angeles (H.M.); Kliniken Essen-Mitte, Essen (S.K.), the Institute of Pathology, Philipps-University Marburg and University of Marburg, Marburg (C.D.), the Breast Center, Department of Obstetrics and Gynecology and Comprehensive Cancer Center Ludwig Maximilian University of Munich, University of Munich, Munich (N.H.), University Hospital Erlangen, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-European Metropolitan Region of Nuremberg, Erlangen (P.A.F.), and the Breast Cancer Center, Helios Klinikum Berlin-Buch, Berlin (M.U.) - all in Germany; the Department of Oncology-Pathology, Karolinska Institutet and Breast Cancer Center, Theme Cancer, Karolinska University Hospital, Solna, Sweden (J.B., T.F.); Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea (Y.H.P.); Westmead Breast Cancer Institute, Westmead Hospital and the University of Sydney, Sydney (R.H.); Department of Breast Surgery, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan (M.T.); the Breast Unit, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal (F.C.); Merck, Kenilworth, NJ (L.J., V.K., J.Z., G.A.); the National Cancer Center Singapore, Duke-National University of Singapore Medical School, Singapore (R.D.); and Baylor University Medical Center, Texas Oncology and US Oncology, Dallas (J.O.).

Vassiliki Karantza (V)

From Barts Cancer Institute, Queen Mary University of London, London (P.S.); International Oncology Bureau Institute of Oncology, Quirón Group, Madrid, and Vall d'Hebron Institute of Oncology, Barcelona (J.C.) - both in Spain; Yale School of Medicine, Yale Cancer Center, New Haven, CT (L.P.); Cedars-Sinai Medical Center, Los Angeles (H.M.); Kliniken Essen-Mitte, Essen (S.K.), the Institute of Pathology, Philipps-University Marburg and University of Marburg, Marburg (C.D.), the Breast Center, Department of Obstetrics and Gynecology and Comprehensive Cancer Center Ludwig Maximilian University of Munich, University of Munich, Munich (N.H.), University Hospital Erlangen, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-European Metropolitan Region of Nuremberg, Erlangen (P.A.F.), and the Breast Cancer Center, Helios Klinikum Berlin-Buch, Berlin (M.U.) - all in Germany; the Department of Oncology-Pathology, Karolinska Institutet and Breast Cancer Center, Theme Cancer, Karolinska University Hospital, Solna, Sweden (J.B., T.F.); Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea (Y.H.P.); Westmead Breast Cancer Institute, Westmead Hospital and the University of Sydney, Sydney (R.H.); Department of Breast Surgery, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan (M.T.); the Breast Unit, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal (F.C.); Merck, Kenilworth, NJ (L.J., V.K., J.Z., G.A.); the National Cancer Center Singapore, Duke-National University of Singapore Medical School, Singapore (R.D.); and Baylor University Medical Center, Texas Oncology and US Oncology, Dallas (J.O.).

Jing Zhao (J)

From Barts Cancer Institute, Queen Mary University of London, London (P.S.); International Oncology Bureau Institute of Oncology, Quirón Group, Madrid, and Vall d'Hebron Institute of Oncology, Barcelona (J.C.) - both in Spain; Yale School of Medicine, Yale Cancer Center, New Haven, CT (L.P.); Cedars-Sinai Medical Center, Los Angeles (H.M.); Kliniken Essen-Mitte, Essen (S.K.), the Institute of Pathology, Philipps-University Marburg and University of Marburg, Marburg (C.D.), the Breast Center, Department of Obstetrics and Gynecology and Comprehensive Cancer Center Ludwig Maximilian University of Munich, University of Munich, Munich (N.H.), University Hospital Erlangen, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-European Metropolitan Region of Nuremberg, Erlangen (P.A.F.), and the Breast Cancer Center, Helios Klinikum Berlin-Buch, Berlin (M.U.) - all in Germany; the Department of Oncology-Pathology, Karolinska Institutet and Breast Cancer Center, Theme Cancer, Karolinska University Hospital, Solna, Sweden (J.B., T.F.); Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea (Y.H.P.); Westmead Breast Cancer Institute, Westmead Hospital and the University of Sydney, Sydney (R.H.); Department of Breast Surgery, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan (M.T.); the Breast Unit, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal (F.C.); Merck, Kenilworth, NJ (L.J., V.K., J.Z., G.A.); the National Cancer Center Singapore, Duke-National University of Singapore Medical School, Singapore (R.D.); and Baylor University Medical Center, Texas Oncology and US Oncology, Dallas (J.O.).

Gursel Aktan (G)

From Barts Cancer Institute, Queen Mary University of London, London (P.S.); International Oncology Bureau Institute of Oncology, Quirón Group, Madrid, and Vall d'Hebron Institute of Oncology, Barcelona (J.C.) - both in Spain; Yale School of Medicine, Yale Cancer Center, New Haven, CT (L.P.); Cedars-Sinai Medical Center, Los Angeles (H.M.); Kliniken Essen-Mitte, Essen (S.K.), the Institute of Pathology, Philipps-University Marburg and University of Marburg, Marburg (C.D.), the Breast Center, Department of Obstetrics and Gynecology and Comprehensive Cancer Center Ludwig Maximilian University of Munich, University of Munich, Munich (N.H.), University Hospital Erlangen, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-European Metropolitan Region of Nuremberg, Erlangen (P.A.F.), and the Breast Cancer Center, Helios Klinikum Berlin-Buch, Berlin (M.U.) - all in Germany; the Department of Oncology-Pathology, Karolinska Institutet and Breast Cancer Center, Theme Cancer, Karolinska University Hospital, Solna, Sweden (J.B., T.F.); Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea (Y.H.P.); Westmead Breast Cancer Institute, Westmead Hospital and the University of Sydney, Sydney (R.H.); Department of Breast Surgery, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan (M.T.); the Breast Unit, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal (F.C.); Merck, Kenilworth, NJ (L.J., V.K., J.Z., G.A.); the National Cancer Center Singapore, Duke-National University of Singapore Medical School, Singapore (R.D.); and Baylor University Medical Center, Texas Oncology and US Oncology, Dallas (J.O.).

Rebecca Dent (R)

From Barts Cancer Institute, Queen Mary University of London, London (P.S.); International Oncology Bureau Institute of Oncology, Quirón Group, Madrid, and Vall d'Hebron Institute of Oncology, Barcelona (J.C.) - both in Spain; Yale School of Medicine, Yale Cancer Center, New Haven, CT (L.P.); Cedars-Sinai Medical Center, Los Angeles (H.M.); Kliniken Essen-Mitte, Essen (S.K.), the Institute of Pathology, Philipps-University Marburg and University of Marburg, Marburg (C.D.), the Breast Center, Department of Obstetrics and Gynecology and Comprehensive Cancer Center Ludwig Maximilian University of Munich, University of Munich, Munich (N.H.), University Hospital Erlangen, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-European Metropolitan Region of Nuremberg, Erlangen (P.A.F.), and the Breast Cancer Center, Helios Klinikum Berlin-Buch, Berlin (M.U.) - all in Germany; the Department of Oncology-Pathology, Karolinska Institutet and Breast Cancer Center, Theme Cancer, Karolinska University Hospital, Solna, Sweden (J.B., T.F.); Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea (Y.H.P.); Westmead Breast Cancer Institute, Westmead Hospital and the University of Sydney, Sydney (R.H.); Department of Breast Surgery, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan (M.T.); the Breast Unit, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal (F.C.); Merck, Kenilworth, NJ (L.J., V.K., J.Z., G.A.); the National Cancer Center Singapore, Duke-National University of Singapore Medical School, Singapore (R.D.); and Baylor University Medical Center, Texas Oncology and US Oncology, Dallas (J.O.).

Joyce O'Shaughnessy (J)

From Barts Cancer Institute, Queen Mary University of London, London (P.S.); International Oncology Bureau Institute of Oncology, Quirón Group, Madrid, and Vall d'Hebron Institute of Oncology, Barcelona (J.C.) - both in Spain; Yale School of Medicine, Yale Cancer Center, New Haven, CT (L.P.); Cedars-Sinai Medical Center, Los Angeles (H.M.); Kliniken Essen-Mitte, Essen (S.K.), the Institute of Pathology, Philipps-University Marburg and University of Marburg, Marburg (C.D.), the Breast Center, Department of Obstetrics and Gynecology and Comprehensive Cancer Center Ludwig Maximilian University of Munich, University of Munich, Munich (N.H.), University Hospital Erlangen, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-European Metropolitan Region of Nuremberg, Erlangen (P.A.F.), and the Breast Cancer Center, Helios Klinikum Berlin-Buch, Berlin (M.U.) - all in Germany; the Department of Oncology-Pathology, Karolinska Institutet and Breast Cancer Center, Theme Cancer, Karolinska University Hospital, Solna, Sweden (J.B., T.F.); Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea (Y.H.P.); Westmead Breast Cancer Institute, Westmead Hospital and the University of Sydney, Sydney (R.H.); Department of Breast Surgery, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan (M.T.); the Breast Unit, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal (F.C.); Merck, Kenilworth, NJ (L.J., V.K., J.Z., G.A.); the National Cancer Center Singapore, Duke-National University of Singapore Medical School, Singapore (R.D.); and Baylor University Medical Center, Texas Oncology and US Oncology, Dallas (J.O.).

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