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Histologically or cytologically confirmed diagnosis of colorectal cancer (CRC) adenocarcinoma, nonsquamous non small cell lung cancer (NSQ NSCLC), or gastric/ gastroesophageal junction (GC/GEJ) adenocarcinoma, metastatic disease at study entry |
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Participants with documented disease progression, for which, in the judgment of the Investigator, no alternative medical therapy is available |
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Expression of carcinoembryonic antigen-related cell adhesion molecule 5 (CEACAM5) will be assessed centrally using the most recent archival tumor tissue (or, if not available, a fresh biopsy sample) and at least 5 fresh-cut slides of formalin-fixed paraffin embedded (FFPE) tumor tissue sectioned. If less material is available, the participant could still be considered eligible after discussion with the Sponsor |
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Participants with CRC tumors may be assumed to have adequate CEACAM5 expression without testing results (it will be assessed retrospectively) |
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Participants with NSQ NSCLC must have tumors expressing CEACAM5 or high circulating CEA if tumor tissue is not available |
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Participants with GC/GEJ must have tumors expressing CEACAM5 |
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Measurable disease by Response Evaluation Criteria in Solid Tumors (RECIST) v1.1, as |
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determined by the Investigator |
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Eastern Cooperative Oncology Group (ECOG) performance status 0 to1 |
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A female participant is eligible to participate if she is not pregnant or breastfeeding, is not a woman of childbearing potential (WOCBP) and is a WOCBP and agrees to use a contraceptive method that is highly effective and for at least 7 months after the last dose of treatment. administration |
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Male participant who agrees to use effective contraception methods during and for at least 4 months after the last dose of treatment administration |
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Capable of giving signed informed consent |
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Untreated brain metastases that may be considered active or leptomeningeal metastasis. A participant with asymptomatic brain metastasis/metastases is eligible
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Significant concomitant illness
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History within the last 2 years of an invasive malignancy other than that treated in this study, with the exception of resected/ablated basal or squamous-cell carcinoma of the skin or carcinoma in situ of the cervix, or other local tumors considered cured by local treatment
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Any major surgery within 3 weeks prior to of first study intervention administration
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Known uncontrolled infection with human immunodeficiency virus (HIV). Participants with a well-controlled HIV infection/disease must be on antiretroviral therapy (ART) to be eligible
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Active infection with hepatitis A, B, or C
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Nonresolution of any prior treatment-related toxicity
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Unresolved corneal disorder or any previous corneal disorder
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Use of contact lenses is not permitted
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Prior history of Torsades de Pointes, or congenital long QT syndrome
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Patient receives (and cannot discontinue) or is scheduled to receive a QT-prolonging drug unless if deemed necessary for the participant as per the investigators' judgment and started at least 4 weeks prior IMP administration at the same dose and the same frequency
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QTcF interval >480 msec on screening ECG
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Poor bone marrow, liver, kidney functions, or electrolytes values
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Participant not suitable for participation, whatever the reason, as judged by the Investigator, including medical or clinical conditions, or participants potentially at risk of noncompliance to study procedures
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The above information is not intended to contain all considerations relevant to the
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potential participation in a clinical trial
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