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Sternberg CN, Fizazi K, Saad F, Shore ND, De Giorgi U, Penson DF, Ferreira U, Efstathiou E, Madziarska K, Kolinsky MP, Cubero DIG, Noerby B, Zohren F, Lin X, Modelska K, Sugg J, Steinberg J, Hussain M. Enzalutamide and Survival in Nonmetastatic, Castration-Resistant Prostate Cancer. N Engl J Med 2020; 382:2197-2206. [PMID: 32469184 DOI: 10.1056/nejmoa2003892] [Citation(s) in RCA: 218] [Impact Index Per Article: 54.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BACKGROUND Preliminary trial results showed that enzalutamide significantly improved metastasis-free survival among men who had nonmetastatic, castration-resistant prostate cancer and rapidly increasing prostate-specific antigen (PSA) levels while taking androgen-deprivation therapy. Results from the final analysis of overall survival have not yet been reported. METHODS In this double-blind, phase 3 trial, men with nonmetastatic, castration-resistant prostate cancer (defined on the basis of conventional imaging and a PSA doubling time of ≤10 months) who were continuing to receive androgen-deprivation therapy were randomly assigned (in a 2:1 ratio) to receive enzalutamide at a dose of 160 mg or placebo once daily. Overall survival was assessed with a group sequential testing procedure and an O'Brien-Fleming-type alpha-spending function. RESULTS As of October 15, 2019, a total of 288 of 933 patients (31%) in the enzalutamide group and 178 of 468 (38%) in the placebo group had died. Median overall survival was 67.0 months (95% confidence interval [CI], 64.0 to not reached) in the enzalutamide group and 56.3 months (95% CI, 54.4 to 63.0) in the placebo group (hazard ratio for death, 0.73; 95% CI, 0.61 to 0.89; P = 0.001). The exposure-adjusted rate of adverse events of grade 3 or higher was 17 per 100 patient-years in the enzalutamide group and 20 per 100 patient-years in the placebo group. Adverse events in the enzalutamide group were consistent with those previously reported for enzalutamide; the most frequently reported events were fatigue and musculoskeletal events. CONCLUSIONS Enzalutamide plus androgen-deprivation therapy resulted in longer median overall survival than placebo plus androgen-deprivation therapy among men with nonmetastatic, castration-resistant prostate cancer and a rapidly rising PSA level. The risk of death associated with enzalutamide was 27% lower than with placebo. Adverse events were consistent with the established safety profile of enzalutamide. (Funded by Pfizer and Astellas Pharma; PROSPER ClinicalTrials.gov number, NCT02003924.).
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Affiliation(s)
- Cora N Sternberg
- From the Englander Institute for Precision Medicine, Weill Cornell Medicine, New York (C.N.S.); the University of Paris Saclay, Villejuif, France (K.F.); the University of Montreal Hospital Center, Montreal (F.S.), and Cross Cancer Institute, University of Alberta, Edmonton (M.P.K.) - both in Canada; the Carolina Urologic Research Center, Myrtle Beach, SC (N.D.S.); Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy (U.D.); Vanderbilt University, Nashville (D.F.P.); the State University of Campinas (Unicamp), Campinas (U.F.), and the ABC Foundation School of Medicine, Santo André (D.I.G.C.) - both in Brazil; M.D. Anderson Cancer Center, Houston (E.E.); Wroclaw Medical University, Wroclaw, Poland (K. Madziarska); Sygehus Lillebælt, Vejle, Denmark (B.N.); Pfizer, La Jolla (F.Z., X.L.), and Pfizer, San Francisco (K. Modelska) - both in California; and Astellas Pharma, Northbrook (J. Sugg, J. Steinberg), and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago (M.H.) - both in Illinois
| | - Karim Fizazi
- From the Englander Institute for Precision Medicine, Weill Cornell Medicine, New York (C.N.S.); the University of Paris Saclay, Villejuif, France (K.F.); the University of Montreal Hospital Center, Montreal (F.S.), and Cross Cancer Institute, University of Alberta, Edmonton (M.P.K.) - both in Canada; the Carolina Urologic Research Center, Myrtle Beach, SC (N.D.S.); Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy (U.D.); Vanderbilt University, Nashville (D.F.P.); the State University of Campinas (Unicamp), Campinas (U.F.), and the ABC Foundation School of Medicine, Santo André (D.I.G.C.) - both in Brazil; M.D. Anderson Cancer Center, Houston (E.E.); Wroclaw Medical University, Wroclaw, Poland (K. Madziarska); Sygehus Lillebælt, Vejle, Denmark (B.N.); Pfizer, La Jolla (F.Z., X.L.), and Pfizer, San Francisco (K. Modelska) - both in California; and Astellas Pharma, Northbrook (J. Sugg, J. Steinberg), and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago (M.H.) - both in Illinois
| | - Fred Saad
- From the Englander Institute for Precision Medicine, Weill Cornell Medicine, New York (C.N.S.); the University of Paris Saclay, Villejuif, France (K.F.); the University of Montreal Hospital Center, Montreal (F.S.), and Cross Cancer Institute, University of Alberta, Edmonton (M.P.K.) - both in Canada; the Carolina Urologic Research Center, Myrtle Beach, SC (N.D.S.); Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy (U.D.); Vanderbilt University, Nashville (D.F.P.); the State University of Campinas (Unicamp), Campinas (U.F.), and the ABC Foundation School of Medicine, Santo André (D.I.G.C.) - both in Brazil; M.D. Anderson Cancer Center, Houston (E.E.); Wroclaw Medical University, Wroclaw, Poland (K. Madziarska); Sygehus Lillebælt, Vejle, Denmark (B.N.); Pfizer, La Jolla (F.Z., X.L.), and Pfizer, San Francisco (K. Modelska) - both in California; and Astellas Pharma, Northbrook (J. Sugg, J. Steinberg), and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago (M.H.) - both in Illinois
| | - Neal D Shore
- From the Englander Institute for Precision Medicine, Weill Cornell Medicine, New York (C.N.S.); the University of Paris Saclay, Villejuif, France (K.F.); the University of Montreal Hospital Center, Montreal (F.S.), and Cross Cancer Institute, University of Alberta, Edmonton (M.P.K.) - both in Canada; the Carolina Urologic Research Center, Myrtle Beach, SC (N.D.S.); Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy (U.D.); Vanderbilt University, Nashville (D.F.P.); the State University of Campinas (Unicamp), Campinas (U.F.), and the ABC Foundation School of Medicine, Santo André (D.I.G.C.) - both in Brazil; M.D. Anderson Cancer Center, Houston (E.E.); Wroclaw Medical University, Wroclaw, Poland (K. Madziarska); Sygehus Lillebælt, Vejle, Denmark (B.N.); Pfizer, La Jolla (F.Z., X.L.), and Pfizer, San Francisco (K. Modelska) - both in California; and Astellas Pharma, Northbrook (J. Sugg, J. Steinberg), and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago (M.H.) - both in Illinois
| | - Ugo De Giorgi
- From the Englander Institute for Precision Medicine, Weill Cornell Medicine, New York (C.N.S.); the University of Paris Saclay, Villejuif, France (K.F.); the University of Montreal Hospital Center, Montreal (F.S.), and Cross Cancer Institute, University of Alberta, Edmonton (M.P.K.) - both in Canada; the Carolina Urologic Research Center, Myrtle Beach, SC (N.D.S.); Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy (U.D.); Vanderbilt University, Nashville (D.F.P.); the State University of Campinas (Unicamp), Campinas (U.F.), and the ABC Foundation School of Medicine, Santo André (D.I.G.C.) - both in Brazil; M.D. Anderson Cancer Center, Houston (E.E.); Wroclaw Medical University, Wroclaw, Poland (K. Madziarska); Sygehus Lillebælt, Vejle, Denmark (B.N.); Pfizer, La Jolla (F.Z., X.L.), and Pfizer, San Francisco (K. Modelska) - both in California; and Astellas Pharma, Northbrook (J. Sugg, J. Steinberg), and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago (M.H.) - both in Illinois
| | - David F Penson
- From the Englander Institute for Precision Medicine, Weill Cornell Medicine, New York (C.N.S.); the University of Paris Saclay, Villejuif, France (K.F.); the University of Montreal Hospital Center, Montreal (F.S.), and Cross Cancer Institute, University of Alberta, Edmonton (M.P.K.) - both in Canada; the Carolina Urologic Research Center, Myrtle Beach, SC (N.D.S.); Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy (U.D.); Vanderbilt University, Nashville (D.F.P.); the State University of Campinas (Unicamp), Campinas (U.F.), and the ABC Foundation School of Medicine, Santo André (D.I.G.C.) - both in Brazil; M.D. Anderson Cancer Center, Houston (E.E.); Wroclaw Medical University, Wroclaw, Poland (K. Madziarska); Sygehus Lillebælt, Vejle, Denmark (B.N.); Pfizer, La Jolla (F.Z., X.L.), and Pfizer, San Francisco (K. Modelska) - both in California; and Astellas Pharma, Northbrook (J. Sugg, J. Steinberg), and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago (M.H.) - both in Illinois
| | - Ubirajara Ferreira
- From the Englander Institute for Precision Medicine, Weill Cornell Medicine, New York (C.N.S.); the University of Paris Saclay, Villejuif, France (K.F.); the University of Montreal Hospital Center, Montreal (F.S.), and Cross Cancer Institute, University of Alberta, Edmonton (M.P.K.) - both in Canada; the Carolina Urologic Research Center, Myrtle Beach, SC (N.D.S.); Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy (U.D.); Vanderbilt University, Nashville (D.F.P.); the State University of Campinas (Unicamp), Campinas (U.F.), and the ABC Foundation School of Medicine, Santo André (D.I.G.C.) - both in Brazil; M.D. Anderson Cancer Center, Houston (E.E.); Wroclaw Medical University, Wroclaw, Poland (K. Madziarska); Sygehus Lillebælt, Vejle, Denmark (B.N.); Pfizer, La Jolla (F.Z., X.L.), and Pfizer, San Francisco (K. Modelska) - both in California; and Astellas Pharma, Northbrook (J. Sugg, J. Steinberg), and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago (M.H.) - both in Illinois
| | - Eleni Efstathiou
- From the Englander Institute for Precision Medicine, Weill Cornell Medicine, New York (C.N.S.); the University of Paris Saclay, Villejuif, France (K.F.); the University of Montreal Hospital Center, Montreal (F.S.), and Cross Cancer Institute, University of Alberta, Edmonton (M.P.K.) - both in Canada; the Carolina Urologic Research Center, Myrtle Beach, SC (N.D.S.); Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy (U.D.); Vanderbilt University, Nashville (D.F.P.); the State University of Campinas (Unicamp), Campinas (U.F.), and the ABC Foundation School of Medicine, Santo André (D.I.G.C.) - both in Brazil; M.D. Anderson Cancer Center, Houston (E.E.); Wroclaw Medical University, Wroclaw, Poland (K. Madziarska); Sygehus Lillebælt, Vejle, Denmark (B.N.); Pfizer, La Jolla (F.Z., X.L.), and Pfizer, San Francisco (K. Modelska) - both in California; and Astellas Pharma, Northbrook (J. Sugg, J. Steinberg), and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago (M.H.) - both in Illinois
| | - Katarzyna Madziarska
- From the Englander Institute for Precision Medicine, Weill Cornell Medicine, New York (C.N.S.); the University of Paris Saclay, Villejuif, France (K.F.); the University of Montreal Hospital Center, Montreal (F.S.), and Cross Cancer Institute, University of Alberta, Edmonton (M.P.K.) - both in Canada; the Carolina Urologic Research Center, Myrtle Beach, SC (N.D.S.); Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy (U.D.); Vanderbilt University, Nashville (D.F.P.); the State University of Campinas (Unicamp), Campinas (U.F.), and the ABC Foundation School of Medicine, Santo André (D.I.G.C.) - both in Brazil; M.D. Anderson Cancer Center, Houston (E.E.); Wroclaw Medical University, Wroclaw, Poland (K. Madziarska); Sygehus Lillebælt, Vejle, Denmark (B.N.); Pfizer, La Jolla (F.Z., X.L.), and Pfizer, San Francisco (K. Modelska) - both in California; and Astellas Pharma, Northbrook (J. Sugg, J. Steinberg), and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago (M.H.) - both in Illinois
| | - Michael P Kolinsky
- From the Englander Institute for Precision Medicine, Weill Cornell Medicine, New York (C.N.S.); the University of Paris Saclay, Villejuif, France (K.F.); the University of Montreal Hospital Center, Montreal (F.S.), and Cross Cancer Institute, University of Alberta, Edmonton (M.P.K.) - both in Canada; the Carolina Urologic Research Center, Myrtle Beach, SC (N.D.S.); Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy (U.D.); Vanderbilt University, Nashville (D.F.P.); the State University of Campinas (Unicamp), Campinas (U.F.), and the ABC Foundation School of Medicine, Santo André (D.I.G.C.) - both in Brazil; M.D. Anderson Cancer Center, Houston (E.E.); Wroclaw Medical University, Wroclaw, Poland (K. Madziarska); Sygehus Lillebælt, Vejle, Denmark (B.N.); Pfizer, La Jolla (F.Z., X.L.), and Pfizer, San Francisco (K. Modelska) - both in California; and Astellas Pharma, Northbrook (J. Sugg, J. Steinberg), and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago (M.H.) - both in Illinois
| | - Daniel I G Cubero
- From the Englander Institute for Precision Medicine, Weill Cornell Medicine, New York (C.N.S.); the University of Paris Saclay, Villejuif, France (K.F.); the University of Montreal Hospital Center, Montreal (F.S.), and Cross Cancer Institute, University of Alberta, Edmonton (M.P.K.) - both in Canada; the Carolina Urologic Research Center, Myrtle Beach, SC (N.D.S.); Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy (U.D.); Vanderbilt University, Nashville (D.F.P.); the State University of Campinas (Unicamp), Campinas (U.F.), and the ABC Foundation School of Medicine, Santo André (D.I.G.C.) - both in Brazil; M.D. Anderson Cancer Center, Houston (E.E.); Wroclaw Medical University, Wroclaw, Poland (K. Madziarska); Sygehus Lillebælt, Vejle, Denmark (B.N.); Pfizer, La Jolla (F.Z., X.L.), and Pfizer, San Francisco (K. Modelska) - both in California; and Astellas Pharma, Northbrook (J. Sugg, J. Steinberg), and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago (M.H.) - both in Illinois
| | - Bettina Noerby
- From the Englander Institute for Precision Medicine, Weill Cornell Medicine, New York (C.N.S.); the University of Paris Saclay, Villejuif, France (K.F.); the University of Montreal Hospital Center, Montreal (F.S.), and Cross Cancer Institute, University of Alberta, Edmonton (M.P.K.) - both in Canada; the Carolina Urologic Research Center, Myrtle Beach, SC (N.D.S.); Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy (U.D.); Vanderbilt University, Nashville (D.F.P.); the State University of Campinas (Unicamp), Campinas (U.F.), and the ABC Foundation School of Medicine, Santo André (D.I.G.C.) - both in Brazil; M.D. Anderson Cancer Center, Houston (E.E.); Wroclaw Medical University, Wroclaw, Poland (K. Madziarska); Sygehus Lillebælt, Vejle, Denmark (B.N.); Pfizer, La Jolla (F.Z., X.L.), and Pfizer, San Francisco (K. Modelska) - both in California; and Astellas Pharma, Northbrook (J. Sugg, J. Steinberg), and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago (M.H.) - both in Illinois
| | - Fabian Zohren
- From the Englander Institute for Precision Medicine, Weill Cornell Medicine, New York (C.N.S.); the University of Paris Saclay, Villejuif, France (K.F.); the University of Montreal Hospital Center, Montreal (F.S.), and Cross Cancer Institute, University of Alberta, Edmonton (M.P.K.) - both in Canada; the Carolina Urologic Research Center, Myrtle Beach, SC (N.D.S.); Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy (U.D.); Vanderbilt University, Nashville (D.F.P.); the State University of Campinas (Unicamp), Campinas (U.F.), and the ABC Foundation School of Medicine, Santo André (D.I.G.C.) - both in Brazil; M.D. Anderson Cancer Center, Houston (E.E.); Wroclaw Medical University, Wroclaw, Poland (K. Madziarska); Sygehus Lillebælt, Vejle, Denmark (B.N.); Pfizer, La Jolla (F.Z., X.L.), and Pfizer, San Francisco (K. Modelska) - both in California; and Astellas Pharma, Northbrook (J. Sugg, J. Steinberg), and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago (M.H.) - both in Illinois
| | - Xun Lin
- From the Englander Institute for Precision Medicine, Weill Cornell Medicine, New York (C.N.S.); the University of Paris Saclay, Villejuif, France (K.F.); the University of Montreal Hospital Center, Montreal (F.S.), and Cross Cancer Institute, University of Alberta, Edmonton (M.P.K.) - both in Canada; the Carolina Urologic Research Center, Myrtle Beach, SC (N.D.S.); Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy (U.D.); Vanderbilt University, Nashville (D.F.P.); the State University of Campinas (Unicamp), Campinas (U.F.), and the ABC Foundation School of Medicine, Santo André (D.I.G.C.) - both in Brazil; M.D. Anderson Cancer Center, Houston (E.E.); Wroclaw Medical University, Wroclaw, Poland (K. Madziarska); Sygehus Lillebælt, Vejle, Denmark (B.N.); Pfizer, La Jolla (F.Z., X.L.), and Pfizer, San Francisco (K. Modelska) - both in California; and Astellas Pharma, Northbrook (J. Sugg, J. Steinberg), and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago (M.H.) - both in Illinois
| | - Katharina Modelska
- From the Englander Institute for Precision Medicine, Weill Cornell Medicine, New York (C.N.S.); the University of Paris Saclay, Villejuif, France (K.F.); the University of Montreal Hospital Center, Montreal (F.S.), and Cross Cancer Institute, University of Alberta, Edmonton (M.P.K.) - both in Canada; the Carolina Urologic Research Center, Myrtle Beach, SC (N.D.S.); Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy (U.D.); Vanderbilt University, Nashville (D.F.P.); the State University of Campinas (Unicamp), Campinas (U.F.), and the ABC Foundation School of Medicine, Santo André (D.I.G.C.) - both in Brazil; M.D. Anderson Cancer Center, Houston (E.E.); Wroclaw Medical University, Wroclaw, Poland (K. Madziarska); Sygehus Lillebælt, Vejle, Denmark (B.N.); Pfizer, La Jolla (F.Z., X.L.), and Pfizer, San Francisco (K. Modelska) - both in California; and Astellas Pharma, Northbrook (J. Sugg, J. Steinberg), and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago (M.H.) - both in Illinois
| | - Jennifer Sugg
- From the Englander Institute for Precision Medicine, Weill Cornell Medicine, New York (C.N.S.); the University of Paris Saclay, Villejuif, France (K.F.); the University of Montreal Hospital Center, Montreal (F.S.), and Cross Cancer Institute, University of Alberta, Edmonton (M.P.K.) - both in Canada; the Carolina Urologic Research Center, Myrtle Beach, SC (N.D.S.); Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy (U.D.); Vanderbilt University, Nashville (D.F.P.); the State University of Campinas (Unicamp), Campinas (U.F.), and the ABC Foundation School of Medicine, Santo André (D.I.G.C.) - both in Brazil; M.D. Anderson Cancer Center, Houston (E.E.); Wroclaw Medical University, Wroclaw, Poland (K. Madziarska); Sygehus Lillebælt, Vejle, Denmark (B.N.); Pfizer, La Jolla (F.Z., X.L.), and Pfizer, San Francisco (K. Modelska) - both in California; and Astellas Pharma, Northbrook (J. Sugg, J. Steinberg), and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago (M.H.) - both in Illinois
| | - Joyce Steinberg
- From the Englander Institute for Precision Medicine, Weill Cornell Medicine, New York (C.N.S.); the University of Paris Saclay, Villejuif, France (K.F.); the University of Montreal Hospital Center, Montreal (F.S.), and Cross Cancer Institute, University of Alberta, Edmonton (M.P.K.) - both in Canada; the Carolina Urologic Research Center, Myrtle Beach, SC (N.D.S.); Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy (U.D.); Vanderbilt University, Nashville (D.F.P.); the State University of Campinas (Unicamp), Campinas (U.F.), and the ABC Foundation School of Medicine, Santo André (D.I.G.C.) - both in Brazil; M.D. Anderson Cancer Center, Houston (E.E.); Wroclaw Medical University, Wroclaw, Poland (K. Madziarska); Sygehus Lillebælt, Vejle, Denmark (B.N.); Pfizer, La Jolla (F.Z., X.L.), and Pfizer, San Francisco (K. Modelska) - both in California; and Astellas Pharma, Northbrook (J. Sugg, J. Steinberg), and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago (M.H.) - both in Illinois
| | - Maha Hussain
- From the Englander Institute for Precision Medicine, Weill Cornell Medicine, New York (C.N.S.); the University of Paris Saclay, Villejuif, France (K.F.); the University of Montreal Hospital Center, Montreal (F.S.), and Cross Cancer Institute, University of Alberta, Edmonton (M.P.K.) - both in Canada; the Carolina Urologic Research Center, Myrtle Beach, SC (N.D.S.); Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy (U.D.); Vanderbilt University, Nashville (D.F.P.); the State University of Campinas (Unicamp), Campinas (U.F.), and the ABC Foundation School of Medicine, Santo André (D.I.G.C.) - both in Brazil; M.D. Anderson Cancer Center, Houston (E.E.); Wroclaw Medical University, Wroclaw, Poland (K. Madziarska); Sygehus Lillebælt, Vejle, Denmark (B.N.); Pfizer, La Jolla (F.Z., X.L.), and Pfizer, San Francisco (K. Modelska) - both in California; and Astellas Pharma, Northbrook (J. Sugg, J. Steinberg), and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago (M.H.) - both in Illinois
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