Study of ALXN2220 Versus Placebo in Adults With ATTR-CM (DepleTTR-CM)
A Phase 3, Randomized, Double-blind, Placebo-controlled, Multicenter Study to Evaluate the Efficacy and Safety of Amyloid Depleter ALXN2220 in Adult Participants With Transthyretin Amyloid Cardiomyopathy (ATTR-CM)
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 3
Contacts and Locations
Study Contact
Study Contact
- Name: Alexion Pharmaceuticals, Inc. (Sponsor)
- Phone Number: 1-855-752-2356
- Email: clinicaltrials@alexion.com
Study Locations
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Buenos Aires, Argentina, 1425
- Research Site
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CABA, Argentina, C1025ABI
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Ciudad de Buenos Aires, Argentina, C1181ACH
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Ciudad de Buenos Aires, Argentina, C1428
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Córdoba, Argentina, X5016KEH
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Bedford Park, Australia, 5042
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Box Hill, Australia, 3128
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Brisbane, Australia, 4102
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Darlinghurst, Australia, 2010
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Joondalup, Australia, 6027
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Melbourne, Australia, 3004
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Westmead, Australia, 2145
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Graz, Austria, 8036
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Innsbruck, Austria, 6020
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Vienna, Austria, 1090
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Vienna, Austria, 1160
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Wels, Austria, 4600
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Bruges, Belgium, 8000
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Brussels, Belgium, 1070
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Genk, Belgium, 3600
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Aracaju, Brazil, 49015-380
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Campinas, Brazil, 13083
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Fortaleza, Brazil, 60430-375
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Porto Alegre, Brazil, 90560-030
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Ribeirão Preto, Brazil, 14051-140
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Ribeirão Preto, Brazil, 14026-020
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Rio de Janeiro, Brazil, 20551-030
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Rio de Janeiro, Brazil, 22270-005
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São Paulo, Brazil, 05403-000
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São Paulo, Brazil, 04012-909
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São Paulo, Brazil, 01323-001
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São Paulo, Brazil, 05652-900
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Alberta
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Calgary, Alberta, Canada, T2N 1N4
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Manitoba
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Winnipeg, Manitoba, Canada, R2H 2A6
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Ontario
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London, Ontario, Canada, N6A 5A5
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Toronto, Ontario, Canada, M5G 2C4
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Quebec
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Chicoutimi, Quebec, Canada, G7H 5H6
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Montreal, Quebec, Canada, H1T 1C8
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Montreal, Quebec, Canada, H2X 1R9
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Rimouski, Quebec, Canada, G5L 5T1
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Beijing, China, 100730
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Beijing, China, 100034
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Beijing, China, 100037
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Beijing, China, 100191
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Changsha, China, 430033
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Chengdu, China, 610000
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Chengdu, China, 610072
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Chongqing, China, 400042
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Fuzhou, China, 350005
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Guangzhou, China, 510080
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Guiyang, China, 550044
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Hangzhou, China, 310003
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Hangzhou, China, 310009
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Harbin, China, 150080
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Hefei, China, 230001
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Jinan, China, 250021
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Nanjing, China, 210029
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Shanghai, China, 201114
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Tianjin, China, 300457
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Wuhan, China, 430030
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Xi'an, China, 710061
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Prague, Czechia, 128 08
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Prague, Czechia, 140 00
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Aarhus, Denmark, 8200
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Copenhagen, Denmark, DK-2100
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Odense C, Denmark, 5000
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Bron, France, 69677
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Chambray-lès-Tours, France, 37170
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Créteil, France, 94010
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Marseille, France, 13005
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Montpellier, France, 34295
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Paris, France, 75018
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Paris, France, 75651
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Pessac, France, 33604
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Poitiers, France, 86021
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Rennes, France, 35033
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Saint-Herblain, France, 44093
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Toulouse, France, 31059
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Berlin, Germany, 10117
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Cologne, Germany, 50937
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Essen, Germany, 45147
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Giessen, Germany, 35392
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Hamburg, Germany, 22767
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Hanover, Germany, 30625
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Heidelberg, Germany, 69120
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Homburg, Germany, 66421
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Kiel, Germany, 24105
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Leipzig, Germany, 04103
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München, Germany, 81377
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Münster, Germany, 48149
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Würzburg, Germany, 97078
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Athens, Greece, 11528
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Dublin, Ireland, 8
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Beer Yaakov, Israel, 70300
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Haifa, Israel, 34362
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Haifa, Israel, 31096
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Jerusalem, Israel, 91120
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Jerusalem, Israel, 9372212
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Petah Tikva, Israel, 4941492
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Rehovot, Israel, 76100
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Bologna, Italy, 40138
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Ferrara, Italy, 44124
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Florence, Italy, 50134
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Forlì, Italy, 47121
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Messina, Italy, 98124
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Milan, Italy, 20122
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Naples, Italy, 80131
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Padova, Italy, 35128
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Pavia, Italy, 27100
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Pisa, Italy, 56124
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Roma, Italy, 00189
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Torino, Italy, 10154
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Trieste, Italy, 34128
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Bunkyō City, Japan, 113-8431
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Kumamoto, Japan, 860-8556
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Kurume-shi, Japan, 830-0011
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Kyoto, Japan, 602-8566
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Matsumoto-shi, Japan, 390-8621
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Sapporo, Japan, 060-8543
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Shinjuku-ku, Japan, 160-8582
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Suita-shi, Japan, 564-8565
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Groningen, Netherlands, 9713 GZ
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Maastricht, Netherlands, 6229 HX
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Rotterdam, Netherlands, 3015 GD
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Utrecht, Netherlands, 3584 CX
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Lørenskog, Norway, N-1478
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Oslo, Norway, 0372
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Trondheim, Norway, 7030
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Gdansk, Poland, 80-952
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Poznan, Poland, 61-848
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Warsaw, Poland, 02-097
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Busan, South Korea, 49241
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Seoul, South Korea, 03080
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Seoul, South Korea, 03722
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Seoul, South Korea, 06351
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Seoul, South Korea, 06591
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Seoul, South Korea, 5505
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Wŏnju, South Korea, 26426
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A Coruña, Spain, 15009
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Barcelona, Spain, 8035
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El Palmar, Spain, 30120
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Jaén, Spain, 23007
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L'Hospitalet de Llobregat, Spain, 08907
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Madrid, Spain, 28027
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Majadahonda, Spain, 28222
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Málaga, Spain, 29010
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Palma de Mallorca, Spain, 07198
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Pamplona, Spain, 31008
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Salamanca, Spain, 37007
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Santiago de Compostela-Coruña, Spain, 15706
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Valencia, Spain, 46010
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Gothenburg, Sweden, 413 45
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Lund, Sweden, 22242
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Skellefteå, Sweden, 93186
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Stockholm, Sweden, 171 64
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Basel, Switzerland, 4031
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Bern, Switzerland, 3010
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Lucerne, Switzerland, 6000
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Sankt Gallen, Switzerland, 9007
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Zurich, Switzerland, 8091
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New Taipei City, Taiwan, 220
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Taichung, Taiwan, 40705
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Taichung, Taiwan, 404
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Taipei, Taiwan, 10002
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Taipei, Taiwan, 11217
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Ankara, Turkey (Türkiye), 06230
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Dinar, Turkey (Türkiye), 03400
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Eskişehir, Turkey (Türkiye), 26480
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Istanbul, Turkey (Türkiye), 34303
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Mersin, Turkey (Türkiye), 33079
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Birmingham, United Kingdom, B15 2SQ
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Cardiff, United Kingdom, CF15 9SS
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Glasgow, United Kingdom, G20 0SP
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Hexham, United Kingdom, NE46 1QJ
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London, United Kingdom, NW3 2QG
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London, United Kingdom, SE1 1YR
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Manchester, United Kingdom, M15 6SE
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California
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Irvine, California, United States, 92614
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La Jolla, California, United States, 92037
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Palo Alto, California, United States, 94304
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San Francisco, California, United States, 94143
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Colorado
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Aurora, Colorado, United States, 80045
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District of Columbia
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Washington D.C., District of Columbia, United States, 20010
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Florida
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Jacksonville, Florida, United States, 32224
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Weston, Florida, United States, 33331
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Georgia
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Atlanta, Georgia, United States, 30309
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Atlanta, Georgia, United States, 30322
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Illinois
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Chicago, Illinois, United States, 60611
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Indiana
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Indianapolis, Indiana, United States, 46202
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Massachusetts
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Boston, Massachusetts, United States, 02115
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Boston, Massachusetts, United States, 02118
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Missouri
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Kansas City, Missouri, United States, 64111
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St Louis, Missouri, United States, 63110
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New York
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New York, New York, United States, 10016
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New York, New York, United States, 10032
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Stony Brook, New York, United States, 11794
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North Carolina
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Chapel Hill, North Carolina, United States, 27599
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Durham, North Carolina, United States, 27705
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Ohio
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Cleveland, Ohio, United States, 44195
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Columbus, Ohio, United States, 43210
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Oregon
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Portland, Oregon, United States, 97239
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Pennsylvania
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Danville, Pennsylvania, United States, 17822
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Philadelphia, Pennsylvania, United States, 19104
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South Carolina
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Charleston, South Carolina, United States, 29425
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Greenville, South Carolina, United States, 29605
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Tennessee
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Memphis, Tennessee, United States, 38120
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Texas
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Fort Worth, Texas, United States, 76104
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Houston, Texas, United States, 77030
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Utah
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Salt Lake City, Utah, United States, 84132
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Virginia
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Falls Church, Virginia, United States, 22042
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Richmond, Virginia, United States, 23298
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Washington
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Seattle, Washington, United States, 98195
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Wisconsin
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Madison, Wisconsin, United States, 53705
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Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Diagnosis of ATTR-CM with either wild-type or variant TTR genotype
- End-diastolic interventricular septal wall thickness ≥ 12 mm on echocardiography measured at Screening
- NT-proBNP > 2000 pg/mL at Screening
- Treatment with a loop diuretic for at least 30 days prior to Screening
- History of heart failure NYHA Class II-IV at Screening
- Life expectancy of ≥ 6 months as per the Investigator's judgment
- Males and females of childbearing ability must use contraception
Exclusion Criteria:
- Known leptomeningeal amyloidosis
- Known light chain (AL) or secondary amyloidosis (AA), or any other form of systemic amyloidosis
- Acute coronary syndrome, unstable angina, stroke, transient ischemic attack, coronary revascularization, cardiac device implantation, cardiac valve repair, or major surgery within 3 months of Screening
- Uncontrolled clinically significant cardiac arrhythmia, per Investigator's assessment
- LVEF < 30% on echocardiography
- Renal failure requiring dialysis or an eGFR < 20 mL/min/1.73 m2 at Screening
- Polyneuropathy with PND score IV
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
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Experimental: ALXN2220
Participants will receive weight-based dose of ALXN2220 via intravenous (IV) infusion every 4 weeks (q4w) for at least 30 months up to a maximum of 48 months.
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Participants will receive ALXN2220 via IV infusion.
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Placebo Comparator: Placebo
Participants will receive placebo via IV infusion q4w for at least 30 months up to a maximum of 48 months.
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Participants will receive placebo via IV infusion.
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What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
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Total Occurrence of ACM and CV clinical events during the Blinded Treatment Period
Time Frame: Baseline up to the end of study (up to Month 48)
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Baseline up to the end of study (up to Month 48)
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Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
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Time to CV-related Mortality
Time Frame: Baseline up to the end of study (up to Month 48)
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Baseline up to the end of study (up to Month 48)
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Time to ACM
Time Frame: Baseline up to the end of study (up to Month 48)
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Baseline up to the end of study (up to Month 48)
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Total Occurrences of CV Clinical Events
Time Frame: Baseline up to the end of study (up to Month 48)
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Baseline up to the end of study (up to Month 48)
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Change From Baseline in Kansas City Cardiomyopathy Questionnaire-Overall Score (KCCQ-OS) at Month 30
Time Frame: Baseline, Month 30
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Baseline, Month 30
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Change from Baseline in Six-minute Walk Test (6MWT) at Month 30
Time Frame: Baseline, Month 30
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Baseline, Month 30
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Collaborators and Investigators
Sponsor
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Study Start
Primary Completion (Estimated)
Primary Completion
Study Completion (Estimated)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Actual)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- D6810C00001
- ALXN2220-ATTRCM-301 (Other Identifier: Alexion)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- SAP
- CSR
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.