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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05029999
Other study ID # SCCC-03121; STU-2021-0657
Secondary ID
Status Recruiting
Phase Phase 1
First received
Last updated
Start date April 20, 2022
Est. completion date April 20, 2025

Study information

Verified date June 2023
Source University of Texas Southwestern Medical Center
Contact Meredith Carter, MS
Phone (214) 648-7020
Email Meredith.carter@utsouthwestern.edu
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This research study is being done to find out if the immunotherapy drugs called CDX-301 and CDX-1140 in combination with the standard chemotherapy treatment pegylated liposomal doxorubicin (PLD, Doxil) are safe and effective at controlling the cancer in patients with metastatic triple negative breast cancer, and to determine a safe dose and treatment schedule of the three drugs. This research study will also test how these treatments improve your body's immune response against the cancer.


Description:

The immunotherapy drugs CDX-301 and CDX-1140 in combination with the standard chemotherapy treatment PLD work by kickstarting the immune response against cancer cells. CDX-301 increases the antigen presenting immune cells needed to kickstart the immune response, CDX-1140 activates these cells, and chemotherapy helps release antigens from the cancer cells to train these antigen presenting immune cells to recognize the cancer for the immune system to attack it. Metastatic or unresectable triple negative breast cancer patients will receive this triplet combination that has been shown in preclinical studies to be more effective than the individual treatments or doublet combinations. To understand how the immunotherapies are working, some patients will receive the immunotherapy or chemotherapy only for one cycle prior to receiving the full triplet combination therapy. Ultimately, all patients will receive the triplet combination to study safety and how effective this treatment is at controlling triple negative breast cancer and improving survival outcomes.


Recruitment information / eligibility

Status Recruiting
Enrollment 45
Est. completion date April 20, 2025
Est. primary completion date April 20, 2025
Accepts healthy volunteers No
Gender All
Age group 18 Years to 99 Years
Eligibility Inclusion Criteria: - Unresectable Stage III or Stage IV Triple Negative Breast cancer - Age 18 years or older - Performance status ECOG 0-2 - Life expectancy = 12 weeks - Documented progressive disease, based on radiographic, clinical or pathologic assessment, during or subsequent to last anticancer therapy. Patients who need to change systemic therapy for other indications such as toxicity that are otherwise eligible for this study may enroll with approval of the lead principal investigator. - For initial safety cohort, subject is in second to third line setting of treatment for metastatic or unresectable disease, and have received 1 to 2 prior regimens for metastatic or unresectable disease. For dose expansion, subject is in first to third line setting of treatment for metastatic or unresectable disease, and have received 0 to 2 prior regimens for metastatic or unresectable disease. - Among any patient enrolled in the first line treatment setting, subjects must be PD-L1 negative by 22C3 assay and not be eligible for FDA approved standard of care chemotherapy and anti-PD-1/PD-L1 combination therapy as alternative to this clinical trial. - Screening laboratory values must meet the following criteria: - Neutrophils = 1500/uL - Platelets = 100 x10(9)/L - Hemoglobin = 8 g/dL Patients may receive erythrocyte transfusions to achieve this hemoglobin level at the discretion of the investigator. Initial treatment must not begin earlier than the day after the erythrocyte transfusion. - Creatinine = 2 mg/dL - Creatinine clearance >30 mL/minute - AST = 2.5 X ULN without, and = 5 x ULN with hepatic metastasis - ALT = 2.5 X ULN without, and = 5 x ULN with hepatic metastasis - Total Bilirubin = 1.5 X ULN (except patients with Gilbert's syndrome or liver involvement, who must have a total bilirubin = 2 X ULN) - Alkaline phosphatase = 2.5 X ULN without, and = 5 x ULN with hepatic metastasis - All men as well as women of child bearing potential enrolled in this trial must agree to use effective contraception during the course of the trial and for at least 6 months after discontinuing study treatment. Patients and/or partners who are surgically sterile or postmenopausal are exempt from this requirement. - A female of child-bearing potential is any woman (regardless of sexual orientation, marital status, having undergone a tubal ligation, or remaining celibate by choice) who meets the following criteria: ( 1) has not undergone a hysterectomy or bilateral oophorectomy OR (2) has not been naturally postmenopausal for at least 12 consecutive months (i.e., has had menses at any time in the preceding 12 consecutive months). - Provision of consent for pre-treatment and on-treatment biopsies. Biopsy sites must be soft tissue tumor lesions or accessible visceral diseases that can be biopsied with acceptable clinical risk (as judged by the investigator); are large enough to allow for the collection of tumor tissue for proposed correlative studies (e.g., anticipated goal of 6-8 cores preferred when feasible using a = 18 gauge needle with an expected core sample length of 5 mm); and have not been irradiated prior to entry. This does not include bone lesions. This may exclude many lung lesions and small lesions. - Measurable disease allowing for serial assessment of at least one target lesion(s) by RECIST 1.1 criteria [100]. Target lesions selected for tumor measurements should be those where additional (e.g., palliative) treatments are not indicated or anticipated. - All residual toxicity related to prior anticancer therapies (excluding alopecia, grade 2 fatigue, vitiligo, endocrinopathies on stable replacement therapy, grade 2 neuropathy from taxanes or platinum and grade 2 hearing loss from platinum) must resolve to grade 1 severity or less (or returned to baseline) prior to receipt of study treatment. - Read, understood, and provided written informed consent, and if applicable, Health Insurance Portability and Accountability Act (HIPAA) authorization, after the nature of the study has been fully explained, and must be willing to comply with all study requirements and procedures. Exclusion Criteria: - Among any patients enrolled in the first line treatment setting, tumors should not be PD-L1+ by 22C3 assays or eligible for FDA approved standard of care chemotherapy and anti-PD-1/PD-L1 combination therapy as alternative to this clinical trial. - History of severe hypersensitivity reactions to mAbs. - Prior treatment with any anti-CD40 antibody or rhuFlt3L product. - Treatment with anthracycline in the metastatic setting. - Prior progression while on anthracycline based therapy or within 6 months of completing (neo)adjuvant anthracycline. - Prior history of acute myeloid leukemia (AML), or tumor with known Flt3 mutation/amplification - Receipt of any antibody targeting T cell check point or co-stimulation pathways within 4 weeks, use of any other monoclonal based therapies within 4 weeks, and all other immunotherapy (tumor vaccine, cytokine, or growth factor given to control the cancer) within 2 weeks prior to the planned start of study treatment. - Prior T-cell or other cell-based therapies within 12 weeks (or 2 weeks if patient experienced disease progression on the prior treatment) - Systemic radiation therapy within 4 weeks, prior focal radiotherapy within 2 weeks, or radiopharmaceuticals (strontium, samarium) within 8 weeks prior to the first dose of study treatment. - Chemotherapy within 21 days or at least 5 half-lives (whichever is shorter) prior to the planned start of study treatment. - Any kinase inhibitors within 2 weeks prior to the first dose of study treatment. - Major surgery within 4 weeks prior to the first dose of study treatment. Surgery requiring local/epidural anesthesia must be completed at least 72 hours before study drug administration and patients should be recovered. - Use of other investigational drugs within 4 weeks or 5 half-lives (whichever is longer) prior to study treatment administration. - Use of immunosuppressive medications within 4 weeks or systemic corticosteroids within 2 weeks prior to first dose of study treatment. Topical, inhaled or intranasal corticosteroids (with minimal systemic absorption) may be continued if the patient is on a stable dose. Non-absorbed intraarticular corticosteroid and replacement steroids (= 10 mg/day prednisone or equivalent) will be permitted. - Other prior malignancy, except for adequately treated basal or squamous cell skin cancer or in situ cancers; or any other cancer from which the patient has been disease-free for at least 3 years. - Active, untreated central nervous system metastases. - Patients with known treated brain metastases should be neurologically stable for 4 weeks post-treatment and prior to study enrollment. Continued use of steroids and/or anticonvulsants (in the absence of any suspicion of progressive brain metastases) is acceptable if = equivalent of prednisone 10 mg daily. Brain MRI required on screening to document lack of progression. - Women who are pregnant or nursing. All female patients with reproductive potential must have a negative pregnancy test prior to starting treatment. - Active autoimmune disease or history of autoimmune disease or syndrome that required systemic steroids or immunosuppressive medications within the preceding 6 months, except for patients with vitiligo, endocrinopathies, or type 1 diabetes, Patients with mild asthma who require intermittent use of bronchodilators (such as albuterol) who have not been hospitalized for asthma in the preceding 6 months will not be excluded from this study. - Significant cardiovascular disease including unstable angina pectoris, uncontrolled hypertension or arrhythmia, congestive heart failure (New York Heart Association Class III or IV or EF<50%) related to primary cardiac disease, uncontrolled ischemic or severe valvular heart disease or any of the following within 6 months prior to the first dose of study treatment: myocardial infarction, severe/unstable angina, coronary artery bypass graft, congestive heart failure, cerebrovascular accident, transient ischemic attack. - Prior anthracycline therapy with a cumulative doxorubicin-equivalent dose greater than 240 mg/m2. - Has received a live vaccine within 30 days prior to the first dose of study drug. Examples of live vaccines include, but are not limited to the following: measles, mumps, rubella, varicella/zoster (chicken pox), yellow fever, rabies, Bacillus Calmette-Guérin (BCG), and typhoid vaccine. Seasonal influenza vaccines for injection are generally killed virus vaccines and are allowed; however, intranasal influenza vaccines (e.g., FluMist®) are live attenuated vaccines and are not allowed. The COVID-19 vaccines available in the United States are not live vaccines and are allowed if the final vaccine dose (of a regimen that requires more than 1 dose) is received at least 1 week prior to study enrollment. - History of (non-infectious) pneumonitis or has current pneumonitis. This includes asymptomatic infiltrates on screening chest CT scan that are felt by the investigator to potentially be an inflammatory process (i.e. grade 1 pneumonitis). - Active infection requiring systemic therapy, known HIV infection, or positive test for hepatitis B surface antigen or hepatitis C (antibody screen and if positive confirmed by RNA analysis). If positive results are not indicative of a true active or chronic infection, the patient can be enrolled after discussion with and agreement by the Investigator. - Any other acute or chronic medical or psychiatric condition or laboratory abnormality that could increase the risk associated with trial participation or trial drug administration or could interfere with the interpretation of trial results and, in the judgment of the investigator, would make the patient inappropriate for entry into the trial. - Evidence of acute or chronic infection on screening chest radiography.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
PLD Chemotherapy
PLD chemotherapy will be administered 40 mg/m2 as intravenous injection once per cycle.
CDX-1140
CDX-1140 will be administered 1.5mg/kg as intravenous injection once per cycle.
CDX-301
CDX-301 will be administered 75µg/kg as subcutaneous injection daily x 5 doses per cycle for 2 cycles.

Locations

Country Name City State
United States Johns Hopkins University Baltimore Maryland
United States University of Chicago Comprehensive Cancer Center Chicago Illinois
United States Texas Oncology, P.A. Dallas Texas
United States UT Southwestern Medical Center Dallas Texas
United States Sarah Cannon Research Institute Nashville Tennessee
United States The University of Texas Health Science Center at San Antonio San Antonio Texas

Sponsors (3)

Lead Sponsor Collaborator
University of Texas Southwestern Medical Center Celldex Therapeutics, Gateway for Cancer Research

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Safety (tolerability) of the drug combination of CDX-1140, CDX-301 and PLD as measured by the number of participants with Dose Limiting Toxicity (DLT) DLTs are defined as toxicities that meet pre-defined severity criteria including serious Hematologic/Non-Hematologic adverse events (AEs) and AEs at Grade 3 or above; Any = grade 2 eye pain or reduction of visual acuity that does not improved to = grade 1 severity within 2 weeks of initiation of topical therapy or requires systemic treatment.
Based on National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) Version 5.0
Baseline up to 12 months
Secondary Anti-tumor immune response by on-treatment CD8 T cell infiltrate Anti-tumor immune response will be measured by on-treatment CD8 T cell infiltrate in cells/mm^2. After Cycle 1 (~4 weeks)
Secondary Change in CD8 T cell infiltrate Change in CD8 T cell infiltrate will be measured in cells/mm^2 after cycle 1 compared to baseline. Baseline, After Cycle 1 (~4 weeks)
Secondary Median Progression Free Survival by RECIST v1.1 with administration of CDX-1140, CDX-301, and PLD chemotherapy. Median Progression Free Survival measured by RECIST v1.1, defined as the time from randomization to the time of radiographic progression or death from any cause during the study, whichever occurs first. Baseline until date of first observed disease progression or death, assessed up to12 months
Secondary Overall Response Rate(ORR) by RECIST v1.1 with administration of CDX-1140, CDX-301, and PLD chemotherapy. Best ORR by RECIST v1.1 defined as the proportion of patients with an objective tumor response (either partial response [PR] or complete response [CR] per investigator. Baseline until date of first observed objective tumor response assessed up to12 months
Secondary Duration of Response(DoR) by RECIST v1.1 to CDX-1140, CDX-301, and PLD chemotherapy. Duration of response (DoR) defined as the time from the first occurrence of a documented objective tumor response to the time of radiographic progression (per investigator using RECIST v1.1) or death from any cause on study, whichever occurs first. Date of response until progression or death from any cause, assessed up to 12 months
Secondary Clinical benefit rate (CBR) by RECIST v1.1 with administration of CDX-1140, CDX-301, and PLD chemotherapy. CBR defined as percentage of patients with CR, PR, or stable disease [SD] by RECIST v1.1 at 6 months. 6 months
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