A Study to Compare Zolbetuximab (IMAB362) and Chemotherapy With Placebo and Chemotherapy in Adults With Gastric Cancer.

PHASE3Active, not recruitingINTERVENTIONAL
Enrollment

565

Participants

Timeline

Start Date

June 21, 2018

Primary Completion Date

September 9, 2022

Study Completion Date

March 31, 2026

Conditions
Locally Advanced Unresectable Gastroesophageal Junction (GEJ) Adenocarcinoma or CancerLocally Advanced Unresectable Gastric Adenocarcinoma or CancerMetastatic Gastric Adenocarcinoma or CancerMetastatic Gastroesophageal Junction (GEJ) Adenocarcinoma
Interventions
DRUG

zolbetuximab

Participants received an IV infusion (as a minimum of 2-hour infusion) of zolbetuximab at a loading dose of 800 mg/m\^2 on C1D1 followed by subsequent doses of 600 mg/m\^2 every 3 weeks starting from C1D22 until participant meets study treatment discontinuation criteria. Each cycle was approximately 42 days.

DRUG

placebo

Participants received an IV infusion (as a minimum of 2-hour infusion) of placebo matched to zolbetuximab on C1D1 followed by subsequent doses every 3 weeks starting from C1D22 until participant met study treatment discontinuation criteria. Each cycle was approximately 42 days.

DRUG

oxaliplatin

Participants received up to 12 treatments of oxaliplatin administered 85 mg/m\^2 IV infusion over 2 hours) on Days 1, 15 and 29 of each cycle.. A maximum of 12 doses of oxaliplatin was permitted. Each cycle was approximately 42 days.

DRUG

folinic acid

Participants received up to 12 treatments of folinic acid administered 400 mg/m\^2 IV infusion over 2 hours 4 or more cycles on Days 1, 15 and 29 of each cycle. participants could continue to receive folinic acid on Days 1, 15 and 29 of each cycle at the investigator's discretion or until the participant met the study treatment discontinuation criteria. Each cycle was approximately 42 days.

DRUG

fluorouracil

Participants received up to 12 treatments of 5-fluorouracil over 4 or more cycles administered by IV bolus 400 mg/m\^2 over 5 to 15 minutes followed by 2400mg/m\^2 over 46-48 hours continuous IV infusion every 2 weeks for 4 cycles. Participants could continue to receive 5-fluorouracil on Days 1, 15 and 29 of each cycle at the investigator's discretion or until the participant met the study treatment discontinuation criteria. Each cycle was approximately 42 days.

Trial Locations (220)

112

Site TW88601, Taipei

333

Site TW88605, Kwei-Shan

404

Site TW88603, Taichung

574

Site CO57006, Medellín

704

Site TW88607, Tainan City

833

Site TW88604, Kaohsiung City

1000

Site BE32004, Brussels

1050

Site BE32002, Brussels

1067

Site DE49018, Dresden

1200

Site BE32001, Brussels

2217

Site AU61007, Kogarah

2650

Site BE32007, Edegem

3000

Site BE32006, Leuven

3100

Site MX52007, Mexico City

3165

Site AU61006, East Bentleigh

4001

Site PE51003, Arequipa

4224

Site AU61011, Tugun

4814

Site AU61002, Douglas

5011

Site AU61008, Adelaide

5100

Site IT39026, Terni

6000

Site BE32011, Charleroi

6591

Site KR82006, Seoul

7000

Site BE32008, Mons

7100

Site BE32010, Haine-Saint-Paul

8310

Site BE32005, Bruges

9000

Site BE32012, Ghent

10002

Site TW88606, Taipei

10065

Memorial Sloan Kettering Cancer Center, New York

10604

Memorial Sloan Kettering Cancer Center, Harrison

11553

Memorial Sloan Kettering Cancer Center, Uniondale

11725

Memorial Sloan Kettering Cancer Center, Commack

13125

Site DE49012, Berlin

13353

Site DE49011, Berlin

13620

Site KR82002, Seongnam-si

14263

Roswell Park Cancer Institute, Buffalo

15036

Site PE51005, Lima

15072

Site PE51006, Lima

16247

Site KR82009, Suwon

17604

Lancaster General Hospital, Lancaster

19107

Thomas Jefferson University, Philadelphia

19124

Cancer Treatment Centers of America, Philadelphia, Philadelphia

20052

Site IT39020, Monza

20132

Site IT39006, Milan

20141

Site IT39008, Milan

20230

Site MX52001, Aguascalientes

20613

Maryland Oncology Hematology, Brandywine

21079

Site FR33009, Dijon

21201

University of Maryland Medical Center(UMMC)Transplant Center, Baltimore

21556

Site KR82008, Incheon

22031

Inova Dwight and Martha Schar Cancer Institute, Fairfax

24127

Site IT39004, Bergamo

25033

Site FR33008, Besançon

26100

Site IT39009, Cremona

28007

Site ES34008, Madrid

28033

Site ES34017, Madrid

28034

Site ES34004, Madrid

28925

Site ES34011, Alcorcón

29100

Site IT39003, Piacenza

29609

Site FR33010, Brest

30120

Site ES34003, Murcia

30265

Cancer Treatment Centers of America, Atlanta, Newnan

32806

Orlando Health Inc, Orlando

33021

Memorial Cancer Institute - West, Hollywood

33028

Memorial Hospital West, Pembroke Pines

33136

University of Miami, Miami

34298

Site FR33011, Montpellier

35042

Site FR33001, Rennes

35128

Site IT39016, Padua

36100

Site IT39023, Vicenza

39104

Site DE49015, Magdeburg

40217

Norton Cancer Institute, Louisville

41009

Site ES34018, Seville

41124

Site IT39021, Modena

42123

Site IT39022, Reggio Emilia

42270

Site FR33104, Saint-Priest-en-Jarez

43126

Site IT39012, Parma

43210

The Ohio State University Medical Center, Columbus

44281

Site IL97206, Kfar Saba

44805

Site FR33101, Saint-Herblain

45030

Site MX52009, Jalisco

45042

Precision Cancer Research -Dayton Physicians Network, Middletown

47014

Site IT39011, Meldola

48201

Karmanos Cancer Institute, Detroit

50009

Site ES34006, Zaragoza

55101

Regions Hospital, Saint Paul

Site DE49002, Mainz

55426

Health Partners Institute, Saint Louis Park

56126

Site IT39019, Pisa

57104

Sanford Cancer Center, Sioux Falls

58100

Site IL97209, Holon

60126

Site IT39013, Ancona

60611

Northwestern University Medical Center, Chicago

60637

University of Chicago, Chicago

64239

Site IL97203, Tel Aviv

69008

Site FR33003, Lyon

73104

University of Oklahoma Health Science Center, Oklahoma City

74078

Site DE49019, Heilbronn

75970

Site FR33002, Paris

77030

The University of Texas MD Anderson Cancer Center, Houston

78250

Site MX52008, San Luis de Potosi

80045

University of Colorado, Aurora

80756

Site TW88608, Kaohsiung City

81377

Site DE49008, Munich

81925

Site DE49007, München

85004

University of Arizona, Phoenix

85724

The University of Arizona Medical Center, Tucson

86021

Site FR33006, Poitiers

90025

The Angeles Clinic and Research Institute, Los Angeles

91010

City of Hope Nat'l Medical Center, Duarte

91031

Site IL97202, Jerusalem

91900

Site MX52010, Veracruz, Ver

92354

Loma Linda University, Loma Linda

92648

Pacific Shores Medical Group, Huntington Beach

92835

St. Jude Hospital Yorba Linda, Fullerton

93309

CBCC Global Research, Inc. at Comprehensive Blood and Cancer, Bakersfield

94000

Site FR33103, Créteil

94143

University of California - San Francisco, San Francisco

95817

University of California Davis, Sacramento

97213

Earle A. Chiles Research Institute, Portland

97239

Oregon Health & Science University, Portland

98109

Seattle Cancer Care Alliance, Seattle

98801

MultiCare Regional Cancer Center - Gig Harbor, Auburn

100030

Site CN86009, Beijing

100071

Site CN86002, Beijing

110231

Site CO57009, Bogotá

150081

Site CN86003, Haerbin

210008

Site CN86006, Nanjing

230002

Site CO57007, Montería

230022

Site CN86005, Hefei

310003

Site CN86004, Hangzhou

450000

Site CN86008, Zhengzhou

3109601

Site IL97201, Haifa

5090000

Site CL56007, Valdivia

7030000

Site IL97210, HaDarom

7500921

Site CL56003, Providencia

7520378

Site CL56008, Providencia

8330032

Site CL56005, Santiago

95900000

Site BR55006, Lajeado

07748-3052

Memorial Sloan Kettering Cancer Center, Middletown

02114-2696

Massachusetts General Hospital, Boston

02215

Beth Israel Deaconess Medical Center, Boston

Dana Farber Cancer Institute, Boston

07920

Memorial Sloan Kettering Cancer Center, Basking Ridge

07645

Memorial Sloan Kettering Cancer Center, Montvale

10029-6574

Mount Sinai School of Medicine, New York

11794-9452

Stony Brook University Medical Center, Stony Brook

02903

Rhode Island Hospital-Lifespan Cancer Institute, Providence

70200-730

Site BR55010, Brasília

88301-220

Site BR55002, Itajaí

14784-400

Site BR55007, Barretos

09060-650

Site BR55003, Santo André

15090-000

Site BR55005, São José do Rio Preto

30130-090

Site BR55017, Belo Horizonte

99010-260

Site BR55016, Passo Fundo

22793-080

Site BR55015, Rio de Janeiro

88501-003

Site BR55018, Santa Catarina

01509-900

Site BR55009, São Paulo

08270-070

Site BR55004, São Paulo

T6G 1Z2

Site CA15005, Edmonton

E2L 4L4

Site CA15009, Saint John

M5G 1X5

Site CA15011, Toronto

H3T 1M5

Site CA15002, Montreal

H4A 3J1

Site CA15008, Montreal

Unknown

Site CN86001, Xiamen

Site CO57005, Santiago de Cali

Site CO57001, Santiago de Cali

Site JP81009, Nagoya

Site JP81003, Kashiwa

Site JP81002, Matsuyama

Site JP81007, Sapporo

Site JP81014, Kobe

Site JP81001, Suita

Site JP81015, Hidaka

Site JP81010, Kitaadachi-gun

Site JP81012, Sunto-gun

Site JP81013, Bunkyo-ku

Site JP81006, Chuo-ku

Site JP81008, Koto-ku

Site JP81005, Fukuoka

Site JP81004, Osaka

Site JP81011, Osaka

Site MX52004, Oaxaca City

0574

Site CO57002, Medellín

06200

Site FR33005, Nice

06189

Site FR33007, Nice

01307

Site DE49010, Dresden

04103

Site DE49004, Leipzig

06108

Site DE49021, Halle

05100

Site IT39018, Perugia

00128

Site IT39015, Roma

5-10126

Site IT39024, Turin to

06760

Site MX52002, Mexico City

06720

Site MX52003, Distrito Federal

L27

Site PE51004, San Isidro

Site PE51001, Lima

20-090

Site PL48004, Lublin

07-410

Site PL48007, Ostrołęka

05-135

Site PL48005, Wieliszew

36-20

Site PL48002, Brzozów

02-781

Site PL48009, Warsaw

06351

Site KR82004, Seoul

03080

Site KR82003, Seoul

05505

Site KR82005, Seoul

152-703

Site KR82007, Seoul

08028

Site ES34013, Badalona

05004

Site ES34010, Ávila

08003

Site ES34005, Barcelona

08025

Site ES34016, Barcelona

08035

Site ES34015, Barcelona

09006

Site ES34019, Burgos

AB25 2ZN

Site GB44003, Aberdeen

SW3 6JJ

Site GB44101, London

SM2 5PT

Site GB44102, Sutton

CB2 0QQ

Site GB44103, Cambridge

CV2 2DX

Site GB44009, Coventry

DD2 4BF

Site GB44104, Dundee

LS7 9TF

Site GB44008, Leeds

NW1 2PG

Site GB44002, London

W1G 6AD

Site GB44004, London

M20 4BX

Site GB44001, Manchester

All Listed Sponsors
lead

Astellas Pharma Global Development, Inc.

INDUSTRY