Open-label, Multi-cohort, Phase 2 Trial, Evaluating the Efficacy and Safety of Tusamitamab Ravtansine (SAR408701) in Patients With CEACAM5-positive Advanced Solid Tumors (CARMEN-BT01)

  • End date
    Jan 13, 2025
  • participants needed
  • sponsor
Updated on 21 October 2022


Primary Objective:

-To assess the antitumor activity of tusamitamab ravtansine in metastatic breast cancer (mBC) and metastatic pancreatic adenocarcinoma (mPAC)

Secondary Objective:

  • To assess the safety and tolerability of tusamitamab ravtansine
  • To assess other efficacy parameters of tusamitamab ravtansine
  • To assess the immunogenicity of tusamitamab ravtansine


The expected duration of study intervention for participants may vary, based on progression date and the cohort; median expected duration of study per participant is estimated at 8 months for the mBC cohorts and 6 months for the mPAC cohort (up to 1 month for screening, a median of 4 or 2 months for treatment in the mBC and mPAC cohorts respectively, a median of 1 month for EOT, and follow-up visit 90 days after the last IMP administration).

Condition Breast Cancer Metastatic, Pancreatic Carcinoma Metastatic
Treatment SAR408701, Diphenhydramine (pre-medication), tusamitamab ravtansine
Clinical Study IdentifierNCT04659603
Last Modified on21 October 2022


Yes No Not Sure

Inclusion Criteria

Participant must be at least 18 years of age
Participants with at least one measurable lesion according to the RECIST v1.1 criteria that has not been irradiated (ie, newly arising lesions in previously irradiated areas are accepted)
Participants with ECOG performance status 0 to 1
Evidence of metastatic disease
Expression of CEACAM 5 by centrally assessed IHC assay
Cohort A
Histological or cytologic diagnosis of breast cancer
Have received at least 2 prior cytotoxic chemotherapy regimens for non-TNBC tumor type or at least 1 for TNBC tumor type but not more than 4 in the locally recurrent or metastatic setting
Cohort B
Have confirmed diagnosis of pancreatic ductal adenocarcinoma
Have documented radiographic progression or documented intolerance after at least 1 prior systemic chemotherapy line which included either gemcitabine (or relapsed within 6 months of completion of gemcitabine adjuvant therapy) or a 5-fluorouracil based regimen (including capecitabine) but no more than 2 prior chemotherapy lines for locally advanced/metastatic disease
Contraceptive use by men or women should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies
Capable of giving signed informed consent

Exclusion Criteria

Medical condition requiring concomitant administration of a medication with a narrow therapeutic window, that is metabolized by cytochrome P450 (CYP450), and for which a dose reduction cannot be considered
Medical conditions requiring concomitant administration of strong CYP3A inhibitor, unless it can be discontinued at least 2 weeks before the first administration of study intervention
Life expectancy less than 3 months
Untreated brain metastases or history of leptomeningeal disease
Significant concomitant illness
History within the last 3 years of an invasive malignancy other than the one 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
History of known acquired immunodeficiency syndrome (AIDS) related illnesses or known human immunodeficiency virus (HIV) disease requiring antiretroviral treatment, or active hepatitis A, B or C infection
Non-resolution of any prior treatment-related toxicity to <Grade 2 according to NCI CTCAE v5.0, with the exception of alopecia, vitiligo, or active thyroiditis controlled with hormone replacement therapy (HRT)
Unresolved corneal disorder or any previous corneal disorder considered by an ophthalmologist to predict higher risk of drug-induced keratopathy
Use of contact lenses. Participants using contact lenses who are not willing to stop wearing them for the duration of the study intervention are excluded
Concurrent treatment with any other anticancer therapy
Washout period before the first administration of study intervention of less than 3 weeks or less than 5 times the half-life, whichever is shorter, for prior antitumor therapy (chemotherapy, targeted agents, immunotherapy and radiotherapy, or any investigational treatment)
Any prior therapy targeting CEACAM5
Prior maytansinoid DM4 treatment (ADC)
Any major surgery within the preceding 2 weeks of the first study intervention administration
Previous enrollment in this study or current participation in any other clinical study involving an investigational study treatment or any other type of medical research
Poor renal function
Poor hepatic function
Poor bone marrow function
The above information is not intended to contain all considerations relevant to a patient's
potential participation in a clinical trial
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