Breast Cancer Clinical Trial
Study to Evaluate the Safety and Antitumor Activity of CX-2009 Monotherapy and in Combination With CX-072 in Advanced Breast Cancer
Summary
A Phase 2, clinical study in advanced, metastatic breast cancer that will evaluate CX-2009 monotherapy in both Hormone Receptor(HR) positive/HER2 negative breast cancer and in TNBC, and evaluate CX-2009+CX-072 in TNBC
Full Description
Eligible patients will be enrolled to the treatment arm based on breast cancer subtype.
Patients will receive study treatment on Day 1 of a Q3W cycle. Treatment with CX-2009 monotherapy (Arms A and B) or CX-2009 in combination with CX-072 (Arm C) will be given until disease progression or symptomatic deterioration, unacceptable toxicity necessitating treatment discontinuation, or if the patient meets certain study defined criteria for discontinuation. On-treatment tumor assessments, will occur every 6 weeks per RECIST v1.1 for the first 48 weeks, and every 12 weeks thereafter.
Eligibility Criteria
INCLUSION CRITERIA:
Arm A: inoperable, locally advanced or metastatic HR-positive/HER2-negative breast cancer. Patients must have received 0 to 2 prior cytotoxic chemotherapy in the inoperable, locally advanced, or metastatic setting
Arm B and Arm C: inoperable, locally advanced or metastatic TNBC; archival or fresh tumor tissue must have high CD166 expression by immunohistochemistry (IHC). Patients must have received 1 - 3 prior lines of therapy for inoperable, locally advanced, or metastatic TNBC
Arm C only: Patients must be Programmed Death Ligand 1 (PD-L1) positive by an FDA-approved test. For patients who have received prior checkpoint inhibitors (CPI) therapy: if the CPI was the most recent treatment given prior to enrollment into this study, the patient must not have progressed within 120 days of the first dose of the CPI
Measurable disease per RECIST v1.1
Adults, at least 18 years of age
Eastern Cooperative Oncology Group performance status of 0 or 1
Adequate baseline Laboratory Values
Patients of childbearing potential or those with partners of childbearing potential must agree to use a highly effective method of birth control at least 1 month prior to first dose, during study treatment, and for a period of 50 days after the last dose of CX-2009 and 105 days after the last dose of CX-072 (Arm C).
Patients with brain metastases that are ≤ 1 cm, are asymptomatic, and require no treatment may be eligible after discussion with Medical Monitor.
Additional inclusion criteria may apply
EXCLUSION CRITERIA:
History of malignancy that was active within the previous 2 years. Exceptions include localized cancers that are not related to the current cancer being treated, that are considered to have been cured, and in the opinion of the Investigator present a low risk for recurrence
Untreated symptomatic brain and/or leptomeningeal metastases
Unresolved prior therapy-related acute toxicity Grade > 1, including neuropathy. Alopecia and other nonacute toxicities are not exclusionary
Active or chronic corneal disorder
Serious concurrent illness
History of allogeneic tissue/solid organ transplant, stem cell transplant, or bone marrow transplant
Arm C only:
History of or current active autoimmune diseases
History of myocarditis regardless of the cause
History of intolerance to prior immune CPI therapy defined as the need to discontinue treatment due to an immune-related Adverse Event (AE)
Immunosuppressive therapy including chronic systemic steroid (≥ 10 mg daily prednisone equivalents) within 14 days of Cycle 1 Day 1 (C1D1). However, patients who require brief courses of steroids (eg, as prophylaxis for IV contrast or for treatment of an allergic reaction) may be eligible with Medical Monitor approval. Inhaled or topical steroids are permitted.
History of severe allergic or anaphylactic reactions to previous monoclonal antibody (mAb) therapy or known hypersensitivity to any component of Probody therapeutic
Prior treatment with maytansinoid-containing drug conjugates (eg, DM1 or DM4 antibody drug conjugate, including trastuzumab emtansine)
Pregnant or breastfeeding
Additional exclusion criteria may apply
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There are 39 Locations for this study
La Jolla California, 92093, United States
Los Angeles California, 90017, United States
Los Angeles California, 90033, United States
Santa Monica California, 90404, United States
Lone Tree Colorado, 80124, United States
Fort Myers Florida, 33901, United States
Jacksonville Florida, 32207, United States
Port Saint Lucie Florida, 34952, United States
Saint Petersburg Florida, 33705, United States
Chicago Illinois, 60637, United States
Indianapolis Indiana, 46202, United States
Baton Rouge Louisiana, 78809, United States
Baltimore Maryland, 21201, United States
Boston Massachusetts, 02114, United States
Boston Massachusetts, 02215, United States
Minneapolis Minnesota, 55407, United States
Omaha Nebraska, 68130, United States
Bronx New York, 10461, United States
Cleveland Ohio, 44195, United States
Pittsburgh Pennsylvania, 15213, United States
Charleston South Carolina, 29425, United States
Nashville Tennessee, 37203, United States
Tyler Texas, 75701, United States
Salt Lake City Utah, 84112, United States
Fairfax Virginia, 22031, United States
Spokane Washington, 99208, United States
Madison Wisconsin, 53792, United States
Cheonan , , Korea, Republic of
Incheon , 21565, Korea, Republic of
Seongnam-si , 13620, Korea, Republic of
Seoul , 02841, Korea, Republic of
Seoul , 05505, Korea, Republic of
Seoul , 06273, Korea, Republic of
Seoul , 06351, Korea, Republic of
Barcelona , 08036, Spain
Barcelona , 08036, Spain
Barcelona , 08908, Spain
Madrid , 28034, Spain
Madrid , 28050, Spain
Madrid , 28050, Spain
Sabadell , 08208, Spain
Valencia , 46010, Spain
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