Major breast cancer drug trial halted early
NCT ID NCT04478266
Summary
This study aimed to see if a new drug combination (amcenestrant plus palbociclib) could better control advanced breast cancer compared to the standard treatment (letrozole plus palbociclib). It involved over 1,000 adults with a specific type of breast cancer (ER+/HER2-) that had spread or returned and had not yet been treated for advanced disease. The trial was designed to measure which combination kept the cancer from worsening longer, but the study was terminated early.
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Contacts and locations
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Locations
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Investigational Site Number :0320001
CABA, Buenos Aires, C1012AAR, Argentina
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Investigational Site Number :0320002
Rosario, Santa Fe Province, 2000, Argentina
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Investigational Site Number :0320003
La Rioja, 5300, Argentina
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Investigational Site Number :0320004
Buenos Aires, C1125ABD, Argentina
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Investigational Site Number :0320005
CABA, Buenos Aires, C1019ABS, Argentina
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Investigational Site Number :0320006
Pergamino, Buenos Aires, B2700CPM, Argentina
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Investigational Site Number :0320007
Salta, 4400, Argentina
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Investigational Site Number :0320008
Capital Federal, Buenos Aires, C1417DTB, Argentina
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Investigational Site Number :0320009
Mar del Plata, B7600FYK, Argentina
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Investigational Site Number :0320010
Córdoba, Córdoba Province, 5000, Argentina
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Investigational Site Number :0360001
Nedlands, Western Australia, 6009, Australia
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Investigational Site Number :0360002
Richmond, Victoria, 3121, Australia
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Investigational Site Number :0360003
Wahroonga, New South Wales, 2076, Australia
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Investigational Site Number :0360004
Macquarie Park, New South Wales, 2109, Australia
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Investigational Site Number :0360005
Randwick, New South Wales, 2031, Australia
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Investigational Site Number :0400001
Graz, 8036, Austria
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Investigational Site Number :0560001
Leuven, 3000, Belgium
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Investigational Site Number :0560002
Namur, 5000, Belgium
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Investigational Site Number :0560003
Brussels, BE-1200, Belgium
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Investigational Site Number :0560004
Charleroi, B-6000, Belgium
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Investigational Site Number :0760003
São Paulo, São Paulo, 04014-002, Brazil
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Investigational Site Number :0760004
Rio de Janeiro, 20230-130, Brazil
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Investigational Site Number :0760005
Porto Alegre, Rio Grande do Sul, 90035 003, Brazil
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Investigational Site Number :0760006
Porto Alegre, Rio Grande do Sul, 91350-250, Brazil
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Investigational Site Number :0760007
São Paulo, São Paulo, 01509-900, Brazil
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Investigational Site Number :0760008
São Paulo, 04321-120, Brazil
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Investigational Site Number :1000001
Sofia, 1797, Bulgaria
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Investigational Site Number :1000004
Burgas, 8000, Bulgaria
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Investigational Site Number :1000005
Dobrich, Bulgaria
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Investigational Site Number :1000008
Rousse, 7002, Bulgaria
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Investigational Site Number :1240002
Toronto, Ontario, M4N 3M5, Canada
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Investigational Site Number :1240004
Kingston, Ontario, K7L 2V7, Canada
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Investigational Site Number :1240005
Montreal, Quebec, H4A 3J1, Canada
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Investigational Site Number :1240007
Greenfield Park, Quebec, J4V 2H1, Canada
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Investigational Site Number :1240014
Montreal, Quebec, H3T 1S6, Canada
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Investigational Site Number :1520001
Viña del Mar, Región de Valparaíso, 2520598, Chile
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Investigational Site Number :1520002
Santiago, Reg Metropolitana de Santiago, 8420383, Chile
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Investigational Site Number :1520003
Santiago, Chile
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Investigational Site Number :1520004
Temuco, La Araucanía, 4810561, Chile
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Investigational Site Number :1520005
La Serena, Coquimbo Region, 1720430, Chile
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Investigational Site Number :1520006
Santiago, Reg Metropolitana de Santiago, 7650568, Chile
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Investigational Site Number :1520007
Santiago, 7500921, Chile
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Investigational Site Number :1520009
Talca, Maule Region, Chile
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Investigational Site Number :1520011
Santaigo, Reg Metropolitana de Santiago, 8241470, Chile
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Investigational Site Number :1560001
Shanghai, 200032, China
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Investigational Site Number :1560002
Hangzhou, 310016, China
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Investigational Site Number :1560003
Changchun, 130021, China
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Investigational Site Number :1560005
Hangzhou, 310022, China
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Investigational Site Number :1560006
Hangzhou, 310003, China
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Investigational Site Number :1560007
Hangzhou, 310009, China
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Investigational Site Number :1560008
Beijing, 100142, China
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Investigational Site Number :1560011
Harbin, 150081, China
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Investigational Site Number :1560013
Chengdu, 610041, China
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Investigational Site Number :1560017
Linyi, 276000, China
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Investigational Site Number :1560018
Jinan, 250013, China
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Investigational Site Number :1560019
Chongqing, 400030, China
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Investigational Site Number :1560021
Dalian, 116027, China
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Investigational Site Number :1560022
Zhengzhou, 450008, China
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Investigational Site Number :1560024
Wuhan, 430079, China
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Investigational Site Number :1560025
Guangzhou, 510080, China
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Investigational Site Number :1560027
Xuzhou, 221009, China
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Investigational Site Number :1560028
Tianjin, 300060, China
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Investigational Site Number :1560031
Dalian, 116011, China
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Investigational Site Number :1560033
Wuhan, 430060, China
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Investigational Site Number :1560035
Beijing, 100730, China
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Investigational Site Number :1560036
Changchun, 130041, China
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Investigational Site Number :1560037
Shaoguan, 512025, China
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Investigational Site Number :1560038
Baoding, 071000, China
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Investigational Site Number :1560041
Hefei, 233004, China
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Investigational Site Number :1560043
Fuzhou, 354200, China
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Investigational Site Number :1560044
Xi'an, 710061, China
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Investigational Site Number :1560045
Xi'an, 710004, China
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Investigational Site Number :1560046
Jinan, 250117, China
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Investigational Site Number :1560048
Neijiang, 641003, China
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Investigational Site Number :1560049
Yantai, 264000, China
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Investigational Site Number :1560051
Jining, China
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Investigational Site Number :1560054
Deyang, 618000, China
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Investigational Site Number :1560055
Luoyang, 471003, China
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Investigational Site Number :1580001
Taipei, 100, Taiwan
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Investigational Site Number :1580002
Tainan, Taiwan
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Investigational Site Number :1580003
Taipei, 10449, Taiwan
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Investigational Site Number :1580007
Kaohsiung City, 807, Taiwan
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Investigational Site Number :2030001
Brno, 65653, Czechia
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Investigational Site Number :2030002
Prague, 12808, Czechia
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Investigational Site Number :2460001
Helsinki, 00029, Finland
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Investigational Site Number :2460002
Tampere, 33520, Finland
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Investigational Site Number :2460003
Turku, FIN-20520, Finland
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Investigational Site Number :2500001
Paris, 75248, France
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Investigational Site Number :2500002
Saint-Herblain, 44805, France
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Investigational Site Number :2500003
Paris, 75010, France
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Investigational Site Number :2500004
Villejuif, 94800, France
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Investigational Site Number :2500005
Toulouse, 31059, France
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Investigational Site Number :2500006
Poitiers, 86021, France
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Investigational Site Number :2500007
Saint-Cloud, 92210, France
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Investigational Site Number :2500009
Nice, 06189, France
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Investigational Site Number :2500010
Strasbourg, 67033, France
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Investigational Site Number :2680001
Tbilisi, 0112, Georgia
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Investigational Site Number :2680002
Tbilisi, 0144, Georgia
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Investigational Site Number :2680003
Tbilisi, 0168, Georgia
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Investigational Site Number :2680004
Tbilisi, 0159, Georgia
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Investigational Site Number :2680005
Batumi, 6000, Georgia
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Investigational Site Number :2680006
Kutaisi, 4600, Georgia
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Investigational Site Number :2680007
Tbilisi, 0159, Georgia
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Investigational Site Number :2760001
Ulm, 89075, Germany
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Investigational Site Number :2760003
Münster, 48149, Germany
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Investigational Site Number :2760006
Bottrop, 46236, Germany
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Investigational Site Number :2760007
Oldenburg in Holstein, 23758, Germany
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Investigational Site Number :3480001
Nyíregyháza, 4400, Hungary
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Investigational Site Number :3480003
Kaposvár, 7400, Hungary
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Investigational Site Number :3480005
Győr, 9023, Hungary
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Investigational Site Number :3480008
Budapest, 1115, Hungary
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Investigational Site Number :3480009
Kecskemét, 6000, Hungary
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Investigational Site Number :3480010
Miskolc, 3526, Hungary
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Investigational Site Number :3480011
Gyula, 5700, Hungary
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Investigational Site Number :3800002
Milan, 20141, Italy
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Investigational Site Number :3800003
Rozzano, Milano, 20089, Italy
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Investigational Site Number :3800004
Milan, 20132, Italy
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Investigational Site Number :3800005
Prato, 59100, Italy
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Investigational Site Number :3800006
Naples, 80131, Italy
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Investigational Site Number :3800007
Monza, Monza E Brianza, 20052, Italy
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Investigational Site Number :3800008
Meldola (FC), Emilia-Romagna, 47014, Italy
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Investigational Site Number :3800010
Bologna, 40138, Italy
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Investigational Site Number :3920001
Sapporo, Hokkaido, 003-0804, Japan
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Investigational Site Number :3920002
Kashiwa-shi, Chiba, 277-8577, Japan
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Investigational Site Number :3920003
Koto-ku, Tokyo, 135-8550, Japan
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Investigational Site Number :3920005
Shinagawa-ku, Tokyo, 142-8666, Japan
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Investigational Site Number :3920006
Yokohama, Kanagawa, 241-8515, Japan
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Investigational Site Number :3920007
Nagoya, Aichi-ken, 464-8681, Japan
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Investigational Site Number :3920008
Osaka, Osaka, 540-0006, Japan
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Investigational Site Number :3920009
Matsuyama, Ehime, 791-0280, Japan
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Investigational Site Number :3920010
Hiroshima, Hiroshima, 730-8518, Japan
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Investigational Site Number :3920012
Kagoshima, Kagoshima-ken, 892-0833, Japan
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Investigational Site Number :3920013
Hidaka-shi, Saitama, 350-1241, Japan
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Investigational Site Number :3920014
Yokohama, Kanagawa, 222-0036, Japan
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Investigational Site Number :3920015
Meguro-ku, Tokyo, 152-8902, Japan
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Investigational Site Number :3920016
Nagoya, Aichi-ken, 460-0001, Japan
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Investigational Site Number :3920017
Takasaki-shi, Gunma, 370-0829, Japan
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Investigational Site Number :3920018
Osaka, Osaka, 553-0003, Japan
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Investigational Site Number :3920019
Kurume-shi, Fukuoka, 830-0013, Japan
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Investigational Site Number :3920020
Sendai, Miyagi, 980-0803, Japan
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Investigational Site Number :3920021
Shizuoka, Shizuoka, 420-8527, Japan
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Investigational Site Number :3920022
Miyazaki, Miyazaki, 880-8510, Japan
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Investigational Site Number :4100001
Seoul, Seoul-teukbyeolsi, 138-878, South Korea
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Investigational Site Number :4100002
Seoul, Seoul-teukbyeolsi, 135-710, South Korea
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Investigational Site Number :4100003
Seoul, Seoul-teukbyeolsi, 110-744, South Korea
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Investigational Site Number :4100004
Seoul, Seoul-teukbyeolsi, 03722, South Korea
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Investigational Site Number :4100005
Seongnam-si, Gyeonggi-do, 463-707, South Korea
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Investigational Site Number :4100006
Goyang-si, Gyeonggi-do, 10408, South Korea
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Investigational Site Number :4100007
Seoul, Seoul-teukbyeolsi, 02841, South Korea
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Investigational Site Number :4100008
Seongnam-si, Gyeonggi-do, 13496, South Korea
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Investigational Site Number :4100009
Seochogu, 6591, South Korea
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Investigational Site Number :5280001
Maastricht, 6229 HX, Netherlands
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Investigational Site Number :5280005
Delft, 2625 AD, Netherlands
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Investigational Site Number :5280006
Arnhem, 6815 AD, Netherlands
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Investigational Site Number :6160002
Tomaszów Mazowiecki, Lódzkie, 97-200, Poland
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Investigational Site Number :6160007
Poznan, Greater Poland Voivodeship, 61-866, Poland
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Investigational Site Number :6200001
Lisbon, 1649-035, Portugal
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Investigational Site Number :6200002
Porto, 4200-319, Portugal
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Investigational Site Number :6200005
Almada, 2801-951, Portugal
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Investigational Site Number :6430001
Saint Petersburg, 197758, Russia
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Investigational Site Number :6430003
Moscow, 117186, Russia
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Investigational Site Number :6430004
Krasnogorskiy District, 143423, Russia
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Investigational Site Number :6430005
Moscow, 117997, Russia
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Investigational Site Number :6430006
Moscow, 129090, Russia
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Investigational Site Number :6430007
Arkhangelsk, 163045, Russia
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Investigational Site Number :6430008
Moscow, 115478, Russia
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Investigational Site Number :6430009
Moscow Region, 143442, Russia
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Investigational Site Number :6430010
Saint Petersburg, 199034, Russia
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Investigational Site Number :7020001
Singapore, 329563, Singapore
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Investigational Site Number :7020002
Singapore, 119228, Singapore
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Investigational Site Number :7020004
Singapore, 169610, Singapore
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Investigational Site Number :7100004
Cape Town, 7570, South Africa
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Investigational Site Number :7100006
Johannesburg, 1709, South Africa
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Investigational Site Number :7240001
Madrid, 28041, Spain
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Investigational Site Number :7240002
Madrid / Madrid, Madrid, Comunidad de, 28050, Spain
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Investigational Site Number :7240003
Santiago de Compostela, Galicia [Galicia], 15706, Spain
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Investigational Site Number :7240004
Madrid, Madrid, Comunidad de, 28046, Spain
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Investigational Site Number :7240005
Valencia, Valenciana, Comunidad, 46010, Spain
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Investigational Site Number :7240006
Madrid / Madrid, Madrid, Comunidad de, 28007, Spain
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Investigational Site Number :7240007
Málaga, 29010, Spain
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Investigational Site Number :7240008
Barcelona / Sabadell, Castille and León, 08208, Spain
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Investigational Site Number :7240009
Valencia, 46015, Spain
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Investigational Site Number :7240011
Barcelona, Barcelona [Barcelona], 08017, Spain
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Investigational Site Number :7920001
Istanbul, 34214, Turkey (Türkiye)
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Investigational Site Number :7920002
Malatya, 44280, Turkey (Türkiye)
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Investigational Site Number :7920003
Edirne, 22030, Turkey (Türkiye)
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Investigational Site Number :7920004
Istanbul, 34722, Turkey (Türkiye)
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Investigational Site Number :7920005
Bornova, 35100, Turkey (Türkiye)
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Investigational Site Number :7920006
Adana, 01120, Turkey (Türkiye)
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Investigational Site Number :7920007
Antalya, 07070, Turkey (Türkiye)
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Investigational Site Number :7920008
Ankara, 06100, Turkey (Türkiye)
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Investigational Site Number :7920009
Ankara, 06200, Turkey (Türkiye)
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Investigational Site Number :7920010
Kocaeli, 41380, Turkey (Türkiye)
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Investigational Site Number :7920011
Istanbul, 34457, Turkey (Türkiye)
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Investigational Site Number :7920012
Izmir, 0000, Turkey (Türkiye)
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Investigational Site Number :7920013
Diyarbakır, 21100, Turkey (Türkiye)
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Investigational Site Number :8040001
Kryvyi Rih, 50048, Ukraine
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Investigational Site Number :8040002
Odesa, 65025, Ukraine
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Investigational Site Number :8040004
Kharkiv, 61103, Ukraine
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Investigational Site Number :8040007
Vinnytsia, 21029, Ukraine
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Investigational Site Number :8040010
Kharkiv, 61166, Ukraine
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Investigational Site Number :8260001
Glasgow, Central Bedfordshire, G12 0YN, United Kingdom
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Investigational Site Number :8260002
Edinburgh, Edinburgh, City of, EH4 2XU, United Kingdom
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Investigational Site Number :8260005
Blackburn, Lancashire, BB2 3HH, United Kingdom
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Investigational Site Number :8400001
Pittsburgh, Pennsylvania, 15232, United States
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Investigational Site Number :8400002
Ann Arbor, Michigan, 48109, United States
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Investigational Site Number :8400004
St Louis, Missouri, 63141, United States
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Investigational Site Number :8400005
Kansas City, Missouri, 64111, United States
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Investigational Site Number :8400006
Iowa City, Iowa, 52242, United States
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Investigational Site Number :8400008
Fort Wayne, Indiana, 46804, United States
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Investigational Site Number :8400009
Winston-Salem, North Carolina, 27157, United States
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Investigational Site Number :8400010
New York, New York, 10016, United States
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Investigational Site Number :8400013
Westwood, Kansas, 66205-2003, United States
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Investigational Site Number :8400015
New Brunswick, New Jersey, 08901-1914, United States
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Investigational Site Number :8400016
Atlanta, Georgia, 30342, United States
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Investigational Site Number :8400017
Boston, Massachusetts, 02114, United States
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Investigational Site Number :8400023
Stony Brook, New York, 11794-8121, United States
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Investigational Site Number :8400024
Paramus, New Jersey, 00000, United States
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Investigational Site Number :8400025
Denver, Colorado, 80262, United States
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Investigational Site Number :8400028
Scarborough, Maine, 04074-9308, United States
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Investigational Site Number :8400029
Santa Monica, California, 90404, United States
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Investigational Site Number :8400034
Savannah, Georgia, 31405, United States
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Investigational Site Number :8400035
Thomasville, Georgia, 31792, United States
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Investigational Site Number :8400038
Fullerton, California, 92835, United States
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Investigational Site Number :8400039
Chicago, Illinois, 60612, United States
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Investigational Site Number :8400053
Orlando, Florida, 32804, United States
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Investigational Site Number :8400055
Athens, Georgia, 30607, United States
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Investigational Site Number :8400056
Los Alamitos, California, 90720, United States
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Investigational Site Number :8400058
Las Vegas, Nevada, 89102, United States
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Investigational Site Number :8400059
Lakeland, Florida, 33805, United States
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Investigational Site Number :8400061
Houston, Texas, 77024, United States
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Investigational Site Number :8400066
Tucson, Arizona, 85712, United States
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Investigational Site Number :8400067
Tigard, Oregon, 97223, United States
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Investigational Site Number :8400068
Houston, Texas, 77024, United States
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Investigational Site Number :8400069
Winchester, Virginia, 22601, United States
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Investigational Site Number :8400070
Dallas, Texas, 75246, United States
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Investigational Site Number :8400072
Dallas, Texas, 75231, United States
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Investigational Site Number :8400073
Austin, Texas, 78745, United States
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Investigational Site Number :8400075
Daphne, Alabama, 36526, United States
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Investigational Site Number :8400076
Danvers, Massachusetts, 01923, United States
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Investigational Site Number :8400077
Newton, Massachusetts, 02463, United States
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Investigational Site Number :8400078
Waco, Texas, 76712, United States
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Investigational Site Number :8400080
Denton, Texas, 76021, United States
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Investigational Site Number :8400081
Palm Bay, Florida, 32901, United States
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Investigational Site Number :8400082
Webster, Texas, 77598, United States
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Investigational Site Number :8400083
Glendale, Arizona, 85308, United States
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Investigational Site Number :8400084
Plano, Texas, 75093, United States
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Investigational Site Number :8400085
Blacksburg, Virginia, 24060, United States
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Investigational Site Number :8400086
The Woodlands, Texas, 77380, United States
Conditions
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