- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01630083
Efficacy and Safety of IMAB362 in Combination With the EOX Regimen for CLDN18.2-positive Gastric Cancer (FAST)
A Randomized Phase II Multicenter, Open-Label Study Evaluating the Efficacy and Safety of IMAB362 in Combination With the EOX (Epirubicin, Oxaliplatin, Capecitabine) Regimen as First-Line Treatment of Patients With CLDN18.2-Positive Advanced Adenocarcinomas of the Stomach, the Esophagus or the Gastroesophageal Junction
The purpose of the trial is to assess the therapeutic effects and the safety profile of IMAB362 combined with EOX (epirubicin, oxaliplatin, capecitabine) as first-line treatment for patients with advanced adenocarcinoma of the stomach, the esophagus or the gastroesophageal junction compared to EOX alone.
Furthermore, sufficient binding of IMAB362 to the target cells is necessary for antitumoral activity. Thus, two dose levels ensuring a serum level above the in vitro predicted clinical efficacy threshold will be investigated.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Plovdiv, Bulgaria
- Site BUL004
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Sofia, Bulgaria
- Site BUL001
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Sofia, Bulgaria
- Site BUL003
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Sofia, Bulgaria
- Site BUL005
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Varna, Bulgaria
- Site BUL002
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Olomouc, Czechia
- Site CZE002
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Znojmo, Czechia
- Site CZE001
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Bielefeld, Germany
- Site GER012
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Bochum, Germany
- Site GER029-01
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Bochum, Germany
- Site GER029
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Dresden, Germany
- Site GER010
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Essen, Germany
- Site GER001
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Frankfurt, Germany
- Site GER017
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Halle/Saale, Germany
- Site GER005
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Leipzig, Germany
- Site GER020
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Münster, Germany
- Site GER016
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Pinneberg, Germany
- Site GER013
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Liepaja, Latvia
- Site LAT001
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Riga, Latvia
- Site LAT002
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Arkhangelsk, Russian Federation
- Site RUS011
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Bryansk, Russian Federation
- Site RUS016
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Chelyabinsk, Russian Federation
- Site RUS006
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Ivanovo, Russian Federation
- Site RUS007
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Kursk, Russian Federation
- Site RUS009
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Moscow, Russian Federation
- Site RUS001
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Novgorod, Russian Federation
- Site RUS017
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Obninsk, Russian Federation
- Site RUS002
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Omsk, Russian Federation
- Site RUS023
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Orel, Russian Federation
- Site RUS012
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Orenburg, Russian Federation
- Site RUS014
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Pyatigorsk, Russian Federation
- Site RUS005
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Ryazan, Russian Federation
- Site RUS019
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St.Petersburg, Russian Federation
- Site RUS003
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St.Petersburg, Russian Federation
- Site RUS010
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St.Petersburg, Russian Federation
- Site RUS015
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Yaroslavl, Russian Federation
- Site RUS013
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Dnipropetrovsk, Ukraine
- Site UKR003
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Donetsk, Ukraine
- Site UKR001
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Donetsk, Ukraine
- Site UKR002
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Ivano-Frankivsk, Ukraine
- Site UKR008
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Kharkiv, Ukraine
- Site UKR005
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Kyiv, Ukraine
- Site UKR007
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Lviv, Ukraine
- Site UKR006
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Poltava, Ukraine
- Site UKR015
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Simferopol, Ukraine
- Site UKR004
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Sumy, Ukraine
- Site UKR011
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Uzhhorod, Ukraine
- Site UKR010
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Zaporizhia, Ukraine
- Site UKR009
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Histologically confirmed adenocarcinoma of the stomach, the esophagus or the gastroesophageal junction
- Inoperable locally advanced disease or resections with R2 outcome or recurrent or metastatic disease.
- CLDN18.2 expression confirmed by immunohistochemistry in paraffin embedded tumor tissue sample.
- Measurable and/or non-measurable disease as defined according to RECISTv1.1
- Age ≥ 18 years
- Written Informed Consent Form
- ECOG performance status (PS) 0-1
- Life expectancy > 3 months
- HER2/neu negative patients and patients with HER2/neu positive status but not eligible to trastuzumab therapy in discretion of the investigator.
- Adequate cardiac, hepatic, renal, hematologic function.
Exclusion Criteria:
- Prior severe allergic reaction or intolerance to a monoclonal antibody, to the chemotherapeutics used in this study or any excipient in the respective formulations.
- Previous chemotherapy for advanced disease.
- Previous perioperative chemotherapy with curative intention within 6 months of start of study treatment. If interval is longer than 6 months (counted from the stop date of the perioperative chemotherapy), patients are allowed.
- Known HIV infection or known symptomatic hepatitis (A, B, C).
- Symptomatic cerebral metastases.
- Pregnancy or breastfeeding.
- Previous treatments with maximum cumulative doses of epirubicin > 500 mg/m² and/or other anthracyclines and anthracenediones.
- Known dihydropyrimidine dehydrogenase (DPD) deficiency.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Active Comparator: EOX Treatment
Participants will receive up to 8 cycles of epirubicin, oxaliplatin and capecitabine (EOX) chemotherapy treatment alone (50 mg/m^2 epirubicin intravenously on day 1 of each cycle, 130 mg/m^2 oxaliplatin intravenously on day 1 of each cycle, 625 mg/m^2 capecitabine orally twice daily on days 1 to 21 of each cycle).
The first dose of capecitabine to be taken in the evening of day 1.
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Epirubicin will be administered at a dose of 50 mg/m^2 as a 15-minute intravenous infusion on day 1 of each cycle.
Oxaliplatin will be administered at a dose of 130 mg/m^2 as a 2-hour intravenous infusion on day 1 of each cycle.
The daily dose of capecitabine will be 1250 mg/m^2.
Capecitabine tablets to be given once daily at a dose of 625 mg/m^2 orally in the evening of day 1 of each cycle and twice daily at a dose of 625 mg/m^2 orally on days 2 to 21 of each cycle; the morning dose of capecitabine on day 1 of each cycle to be omitted due to administration of zolbetuximab, epirubicin and oxaliplatin.
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Experimental: EOX+zolbetuximab 800/600 mg/m^2
Participants will received up to 8 cycles of EOX chemotherapy treatment in combination with zolbetuximab administered as loading dose of 800 mg/m^2 intravenously on day 1 of cycle 1 followed by 600 mg/m^2 intravenously on day 1 of each subsequent cycle.
Zolbetuximab to be administered prior to EOX chemotherapy.
After completion of the EOX treatment phase, participants will be permitted to continue zolbetuximab monotherapy (600 mg/m^2 every 3 weeks to be administered intravenously as a 2-hour infusion) until progressive disease (PD), withdrawal of consent or unacceptable toxicity.
PD per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 is defined as at least a 20% increase in the sum of the longest diameter of target lesions, taking as reference the smallest sum on study, an absolute increase of at least 5mm must also be demonstrated, unequivocal progression of existing non-target lesions and appearance of one or more new lesions is considered progression.
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Epirubicin will be administered at a dose of 50 mg/m^2 as a 15-minute intravenous infusion on day 1 of each cycle.
Oxaliplatin will be administered at a dose of 130 mg/m^2 as a 2-hour intravenous infusion on day 1 of each cycle.
The daily dose of capecitabine will be 1250 mg/m^2.
Capecitabine tablets to be given once daily at a dose of 625 mg/m^2 orally in the evening of day 1 of each cycle and twice daily at a dose of 625 mg/m^2 orally on days 2 to 21 of each cycle; the morning dose of capecitabine on day 1 of each cycle to be omitted due to administration of zolbetuximab, epirubicin and oxaliplatin.
Two different formats of zolbetuximab, comprising different strengths, to be provided.
Vials contained 22 mg or 105 mg of zolbetuximab.
Prior to administration, zolbetuximab will be reconstituted with 1.1 mL (22 mg zolbetuximab vials) or 5.0 mL (105 mg zolbetuximab vials) water for injection, which will result in a concentration of 20 mg/mL zolbetuximab.
The extractable volume per vial will be 1 mL (for 22 mg zolbetuximab vials) or 5 mL (for 105 mg zolbetuximab vials).
The reconstituted solution will be further diluted with sodium chloride 0.9% to a final concentration of 2 mg/mL zolbetuximab.
Zolbetuximab will be administered as an intravenous infusion over 2 to 3 hours.
Other Names:
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Experimental: EOX+zolbetuximab 1000 mg/m^2
Participants will receive up to 8 cycles of EOX chemotherapy treatment in combination with zolbetuximab 1000 mg/m^2 intravenously on day 1 of each cycle.
Zolbetuximab to be administered prior to EOX chemotherapy.
After completion of the EOX treatment phase, participants will be permitted to continue zolbetuximab monotherapy (1000 mg/m^2 every 3 weeks administered intravenously as a 2-hour infusion ) until PD, withdrawal of consent or unacceptable toxicity.
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Epirubicin will be administered at a dose of 50 mg/m^2 as a 15-minute intravenous infusion on day 1 of each cycle.
Oxaliplatin will be administered at a dose of 130 mg/m^2 as a 2-hour intravenous infusion on day 1 of each cycle.
The daily dose of capecitabine will be 1250 mg/m^2.
Capecitabine tablets to be given once daily at a dose of 625 mg/m^2 orally in the evening of day 1 of each cycle and twice daily at a dose of 625 mg/m^2 orally on days 2 to 21 of each cycle; the morning dose of capecitabine on day 1 of each cycle to be omitted due to administration of zolbetuximab, epirubicin and oxaliplatin.
Two different formats of zolbetuximab, comprising different strengths, to be provided.
Vials contained 22 mg or 105 mg of zolbetuximab.
Prior to administration, zolbetuximab will be reconstituted with 1.1 mL (22 mg zolbetuximab vials) or 5.0 mL (105 mg zolbetuximab vials) water for injection, which will result in a concentration of 20 mg/mL zolbetuximab.
The extractable volume per vial will be 1 mL (for 22 mg zolbetuximab vials) or 5 mL (for 105 mg zolbetuximab vials).
The reconstituted solution will be further diluted with sodium chloride 0.9% to a final concentration of 2 mg/mL zolbetuximab.
Zolbetuximab will be administered as an intravenous infusion over 2 to 3 hours.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Progression-free survival (PFS)
Time Frame: From randomization to the data cut-off date of 31JAN2019; maximum time on follow-up was, 68.2, 47.2 & 59.6 months in the EOX, EOX+Zolbetuximab 600 mg, and EOX+Zolbetuximab 1000 mg treatment groups respectively.
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PFS is defined as the time from randomization to the first observation of disease progression (based on central reading) or death from any cause (as assessed by the independent reviewer).
Participants without documented progression or death will be censored as of the last tumor evaluation determining lack of progression.
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From randomization to the data cut-off date of 31JAN2019; maximum time on follow-up was, 68.2, 47.2 & 59.6 months in the EOX, EOX+Zolbetuximab 600 mg, and EOX+Zolbetuximab 1000 mg treatment groups respectively.
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Number of Participants with Adverse Events (AEs)
Time Frame: From the first dose of study drug administration up to 30 days after the last study medication administration (up to 1791 days).
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An AE is defined as any unintended or undesirable, noxious or pathological change, compared to pre-existing conditions, experienced by a participant during a clinical study or the follow-up period, regardless of relationship to study medication.
Treatment-emergent adverse event (TEAE) are those AEs that started or worsened after the first dose of study medication.
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From the first dose of study drug administration up to 30 days after the last study medication administration (up to 1791 days).
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Clinical PFS
Time Frame: From randomization to the data cut-off date of 31JAN2019; maximum time on follow-up was, 68.2, 47.2 & 59.6 months in the EOX, EOX+Zolbetuximab 600 mg, and EOX+Zolbetuximab 1000 mg treatment groups respectively.
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Clinical PFS (CPFS) is defined as the time from randomization to the first observation of disease progression, either confirmed by computed tomography (CT) scans or by clinical evaluation, or death from any cause (as assessed by the independent reviewer with clinical PD considered as an event).
Participants without documented progression or death will be censored as of the last tumor evaluation determining lack of progression.
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From randomization to the data cut-off date of 31JAN2019; maximum time on follow-up was, 68.2, 47.2 & 59.6 months in the EOX, EOX+Zolbetuximab 600 mg, and EOX+Zolbetuximab 1000 mg treatment groups respectively.
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Overall Survival Rate at 12 Months
Time Frame: Up to 12 months
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Overall survival rate at 12 months after therapy initiation is defined as a proportion of participants alive after 12 months from first dose of any study drug.
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Up to 12 months
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Overall Survival (OS)
Time Frame: From randomization to the data cut-off date of 31JAN2019; maximum time on follow-up was, 68.2, 47.2 & 59.6 months in the EOX, EOX+Zolbetuximab 600 mg, and EOX+Zolbetuximab 1000 mg treatment groups respectively.
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OS is defined as the time from randomization to death from any cause or last contact (if alive).
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From randomization to the data cut-off date of 31JAN2019; maximum time on follow-up was, 68.2, 47.2 & 59.6 months in the EOX, EOX+Zolbetuximab 600 mg, and EOX+Zolbetuximab 1000 mg treatment groups respectively.
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Time to Progression (TTP)
Time Frame: From randomization to the data cut-off date of 31JAN2019; maximum time on follow-up was, 68.2, 47.2 & 59.6 months in the EOX, EOX+Zolbetuximab 600 mg, and EOX+Zolbetuximab 1000 mg treatment groups respectively.
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TTP is defined as the time from randomization to the first observation of disease progression (based on central reading as assessed by the investigator reviewer).
Participants without documented progression will be censored as of the last tumor evaluation determining lack of progression.
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From randomization to the data cut-off date of 31JAN2019; maximum time on follow-up was, 68.2, 47.2 & 59.6 months in the EOX, EOX+Zolbetuximab 600 mg, and EOX+Zolbetuximab 1000 mg treatment groups respectively.
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Objective Tumor Response Rate (ORR)
Time Frame: Up to week 94
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ORR is defined as the fraction of participants with a complete response (CR) or partial response (PR), according to Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 (as assessed by the investigator reviewer).
CR according to RECIST v1.1 is defined as the disappearance of all target lesions, any pathological lymph node must have reduction in short axis to < 10 mm, disappearance of all non-target lesions and normalization of tumor marker level should occur as well as no simultaneous appearance of new lesions.
PR according to RECIST v1.1 is defined as at least 30% decrease in the sum of the longest diameter of target lesions, taking as reference the screening sum longest diameter and no simultaneous increase in the size of any lesion or the appearance of new lesions.
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Up to week 94
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Disease Control Rate (DCR)
Time Frame: Up to week 94
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DCR is defined as the fraction of participants with CR or PR or stable disease (SD) according to RECIST v1.1 (as assessed by the investigator reviewer).
SD according to RECIST v1.1 is defined as neither sufficient shrinkage to qualify for PR or CR nor sufficient increase to qualify for PD, taking as reference the smallest sum longest diameter recorded since treatment started, measurements must meet the SD criteria at least once after study entry at a minimum interval not less than 6 weeks, no simultaneous increase in the size of any lesion or the appearance of new lesions should occur, evaluable lesions must remain stable or regress for this category.
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Up to week 94
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Duration of Response (DOR)
Time Frame: From randomization to the data cut-off date of 31JAN2019; maximum time on follow-up was, 68.2, 47.2 & 59.6 months in the EOX, EOX+Zolbetuximab 600 mg, and EOX+Zolbetuximab 1000 mg treatment groups respectively.
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DOR will be determined as the time when criteria for CR or PR are first met until the first date that recurrent or progressive disease or death occurs (as assessed by the independent reviewer).
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From randomization to the data cut-off date of 31JAN2019; maximum time on follow-up was, 68.2, 47.2 & 59.6 months in the EOX, EOX+Zolbetuximab 600 mg, and EOX+Zolbetuximab 1000 mg treatment groups respectively.
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Collaborators and Investigators
Investigators
- Study Director: Executive Director, Astellas Pharma Global Development, Inc.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Neoplasms by Histologic Type
- Neoplasms
- Carcinoma
- Neoplasms, Glandular and Epithelial
- Adenocarcinoma
- Molecular Mechanisms of Pharmacological Action
- Enzyme Inhibitors
- Antimetabolites, Antineoplastic
- Antimetabolites
- Antineoplastic Agents
- Topoisomerase II Inhibitors
- Topoisomerase Inhibitors
- Antibiotics, Antineoplastic
- Capecitabine
- Epirubicin
- Oxaliplatin
Other Study ID Numbers
- GM-IMAB-001-03
- 2011-005285-38 (EudraCT Number)
- 8951-CL-0202 (Other Identifier: Astellas)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Time Frame
IPD Sharing Access Criteria
IPD Sharing Supporting Information Type
- Study Protocol
- Statistical Analysis Plan (SAP)
- Clinical Study Report (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.
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