Testing the Addition of an Individualized Vaccine to Durvalumab and Tremelimumab and Chemotherapy in Patients With Metastatic Triple Negative Breast Cancer

May 12, 2026 updated by: National Cancer Institute (NCI)

Randomized Phase 2 Clinical Trial of Nab-Paclitaxel + Durvalumab (MEDI4736) + Tremelimumab + Neoantigen Vaccine Vs. Nab-Paclitaxel + Durvalumab (MEDI4736) + Tremelimumab in Patients With Metastatic Triple Negative Breast Cancer

This phase II trial studies how well nab-paclitaxel, durvalumab, and tremelimumab with or without personalized synthetic long peptide vaccine (neoantigen vaccine) works in treating patients with triple negative breast cancer that has spread from where it first started (primary site) to other places in the body (metastatic). Chemotherapy drugs, such as nab-paclitaxel, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Immunotherapy with monoclonal antibodies, such as durvalumab and tremelimumab, may induce changes in body's immune system and may interfere with the ability of tumor cells to grow and spread. Vaccines made from peptides may help the body build an effective immune response to kill tumor cells. It is not yet known whether giving nab-paclitaxel, durvalumab, and tremelimumab with or without neoantigen vaccine will work better in treating patients with triple negative breast cancer.

Study Overview

Status

Recruiting

Conditions

Intervention / Treatment

Detailed Description

PRIMARY OBJECTIVE:

I. Evaluate the clinical response to nab-paclitaxel + durvalumab (MEDI4736) + tremelimumab + neoantigen vaccine (Arm 1) versus (vs.) nab-paclitaxel + durvalumab (MEDI4736) + tremelimumab (Arm 2) in patients with metastatic triple negative breast cancer (TNBC).

SECONDARY OBJECTIVE:

I. Evaluate the safety of nab-paclitaxel + durvalumab (MEDI4736) + tremelimumab + neoantigen vaccine vs. nab-paclitaxel + durvalumab (MEDI4736) + tremelimumab in patients with metastatic TNBC.

EXPLORATORY OBJECTIVES:

I. Assess the immune response induced by nab-paclitaxel + durvalumab (MEDI4736) + tremelimumab + neoantigen vaccine vs. nab-paclitaxel + durvalumab (MEDI4736) + tremelimumab in patients with metastatic TNBC.

II. Biomarkers of response to therapy will be assessed based on the research biopsies performed at baseline, following the chemotherapy run-in (Part A) and following nab-paclitaxel + durvalumab (MEDI4736) + tremelimumab +/- neoantigen vaccine (Part B).

OUTLINE:

PART A: Patients receive gemcitabine hydrochloride intravenously (IV) over 30 minutes and carboplatin IV over 30 minutes on days 1 and 8 of each cycle. Treatment repeats every 21 days for up to 18 weeks (6 cycles) in the absence of disease progression or unacceptable toxicity. Patients who experience progression of disease or who are intolerant of treatment may switch and receive nab-paclitaxel IV over 30 minutes on days 1, 8, and 15 of each remaining cycle or sacituzumab govitecan-hziy IV over 1-3 hours on days 1 and 8 of each remaining cycle. Treatment with nab-paclitaxel repeats every 28 days for up to 2 cycles (for patients with progressive disease) or until a total of 18 weeks of treatment have been completed (for patients who are intolerant of treatment) at the discretion of the treating physician. Treatment with sacituzumab govitecan-hziyl repeats every 21 days for up to 2 cycles (for patients with progressive disease) or until a total of 18 weeks of treatment have been completed (for patients who are intolerant of treatment) at the discretion of the treating physician.

PART B: Patients are randomized to 1 of 2 arms.

ARM I: Patients receive personalized synthetic long peptide vaccine and poly-ICLC subcutaneously (SC) on days 1, 4, 8, 15, 22, 50, and 78 in the absence of disease progression or unacceptable toxicity. Patients also receive tremelimumab IV over 60 minutes on day 1 of cycles 1-4, durvalumab IV over 60 minutes on day 1 of each cycle and nab-paclitaxel IV over 30 minutes on days 1, 8, and 15 of each cycle. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.

ARM II: Patients receive tremelimumab IV over 60 minutes on day 1 of cycles 1-4, durvalumab IV over 60 minutes on day 1 of each cycle and nab-paclitaxel IV over 30 minutes on days 1, 8, and 15 of each cycle. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.

Patients undergo tumor biopsy, blood and urine sample collection, computed tomography (CT) scan and magnetic resonance imaging (MRI) on study.

After completion of study treatment, patients are followed up every 3 months for 1 year, then annually thereafter.

Study Type

Interventional

Enrollment (Estimated)

70

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • California
      • Orange, California, United States, 92868
        • Active, not recruiting
        • UC Irvine Health/Chao Family Comprehensive Cancer Center
      • Sacramento, California, United States, 95817
        • Active, not recruiting
        • University of California Davis Comprehensive Cancer Center
    • Colorado
      • Aurora, Colorado, United States, 80045
        • Recruiting
        • UCHealth University of Colorado Hospital
        • Principal Investigator:
          • Jennifer R. Diamond
        • Contact:
          • Site Public Contact
          • Phone Number: 720-848-0650
    • Connecticut
      • Hartford, Connecticut, United States, 06105
        • Active, not recruiting
        • Smilow Cancer Hospital Care Center at Saint Francis
      • New Haven, Connecticut, United States, 06520
        • Active, not recruiting
        • Yale University
    • Florida
      • Aventura, Florida, United States, 33180
        • Recruiting
        • UM Sylvester Comprehensive Cancer Center at Aventura
        • Principal Investigator:
          • Alejandra T. Perez
        • Contact:
          • Site Public Contact
          • Phone Number: 954-461-2180
      • Coral Gables, Florida, United States, 33146
        • Recruiting
        • UM Sylvester Comprehensive Cancer Center at Coral Gables
        • Principal Investigator:
          • Alejandra T. Perez
        • Contact:
          • Site Public Contact
          • Phone Number: 305-243-2647
      • Deerfield Beach, Florida, United States, 33442
        • Recruiting
        • UM Sylvester Comprehensive Cancer Center at Deerfield Beach
        • Principal Investigator:
          • Alejandra T. Perez
        • Contact:
          • Site Public Contact
          • Phone Number: 305-243-2647
      • Miami, Florida, United States, 33136
        • Recruiting
        • University of Miami Miller School of Medicine-Sylvester Cancer Center
        • Principal Investigator:
          • Alejandra T. Perez
        • Contact:
          • Site Public Contact
          • Phone Number: 305-243-2647
      • Miami, Florida, United States, 33176
        • Recruiting
        • UM Sylvester Comprehensive Cancer Center at Kendall
        • Principal Investigator:
          • Alejandra T. Perez
        • Contact:
          • Site Public Contact
          • Phone Number: 305-243-2647
      • Plantation, Florida, United States, 33324
        • Recruiting
        • UM Sylvester Comprehensive Cancer Center at Plantation
        • Principal Investigator:
          • Alejandra T. Perez
        • Contact:
          • Site Public Contact
          • Phone Number: 305-243-2647
      • Tampa, Florida, United States, 33607
        • Recruiting
        • Moffitt Cancer Center-International Plaza
        • Contact:
        • Principal Investigator:
          • Aixa E. Soyano
      • Tampa, Florida, United States, 33612
        • Recruiting
        • Moffitt Cancer Center - McKinley Campus
        • Contact:
        • Principal Investigator:
          • Aixa E. Soyano
      • Tampa, Florida, United States, 33612
        • Recruiting
        • Moffitt Cancer Center
        • Contact:
        • Principal Investigator:
          • Aixa E. Soyano
      • Wesley Chapel, Florida, United States, 33544
        • Recruiting
        • Moffitt Cancer Center at Wesley Chapel
        • Contact:
        • Principal Investigator:
          • Aixa E. Soyano
    • Maryland
      • Baltimore, Maryland, United States, 21287
        • Recruiting
        • Johns Hopkins University/Sidney Kimmel Cancer Center
        • Principal Investigator:
          • Cesar A. Santa-Maria
        • Contact:
    • Missouri
      • City of Saint Peters, Missouri, United States, 63376
        • Recruiting
        • Siteman Cancer Center at Saint Peters Hospital
        • Principal Investigator:
          • William E. Gillanders
        • Contact:
      • Creve Coeur, Missouri, United States, 63141
        • Recruiting
        • Siteman Cancer Center at West County Hospital
        • Principal Investigator:
          • William E. Gillanders
        • Contact:
      • St Louis, Missouri, United States, 63110
        • Recruiting
        • Washington University School of Medicine
        • Principal Investigator:
          • William E. Gillanders
        • Contact:
      • St Louis, Missouri, United States, 63129
        • Recruiting
        • Siteman Cancer Center-South County
        • Principal Investigator:
          • William E. Gillanders
        • Contact:
      • St Louis, Missouri, United States, 63136
        • Recruiting
        • Siteman Cancer Center at Christian Hospital
        • Principal Investigator:
          • William E. Gillanders
        • Contact:
    • New Hampshire
      • Lebanon, New Hampshire, United States, 03756
        • Suspended
        • Dartmouth Hitchcock Medical Center/Dartmouth Cancer Center
    • New York
      • New York, New York, United States, 10065
        • Recruiting
        • NYP/Weill Cornell Medical Center
        • Principal Investigator:
          • Massimo Cristofanilli
        • Contact:
          • Site Public Contact
          • Phone Number: 212-746-1848
    • North Carolina
      • Clemmons, North Carolina, United States, 27012
        • Recruiting
        • Wake Forest University at Clemmons
        • Principal Investigator:
          • Emily H. Douglas
        • Contact:
          • Site Public Contact
          • Phone Number: 888-716-9259
      • Winston-Salem, North Carolina, United States, 27157
        • Recruiting
        • Wake Forest University Health Sciences
        • Principal Investigator:
          • Emily H. Douglas
        • Contact:
          • Site Public Contact
          • Phone Number: 336-713-6771
    • Ohio
      • Columbus, Ohio, United States, 43210
        • Recruiting
        • Ohio State University Comprehensive Cancer Center
        • Contact:
        • Principal Investigator:
          • Kai C. Johnson
    • Oklahoma
      • Oklahoma City, Oklahoma, United States, 73104
        • Active, not recruiting
        • University of Oklahoma Health Sciences Center
    • Pennsylvania
      • Pittsburgh, Pennsylvania, United States, 15232
        • Recruiting
        • University of Pittsburgh Cancer Institute (UPCI)
        • Contact:
          • Site Public Contact
          • Phone Number: 412-647-8073
        • Principal Investigator:
          • Julia Foldi
    • Texas
      • Galveston, Texas, United States, 77555-0565
        • Recruiting
        • University of Texas Medical Branch
        • Principal Investigator:
          • Avi B. Markowitz
        • Contact:
    • Virginia
      • Richmond, Virginia, United States, 23298
        • Recruiting
        • VCU Massey Comprehensive Cancer Center
        • Principal Investigator:
          • Masey M. Ross
        • Contact:

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Patients must have a histologically confirmed diagnosis of metastatic invasive triple negative breast cancer. Patients with clinical and/or radiologic suspicion of metastatic TNBC can be consented prior to this confirmation.
  • Estrogen receptor (ER) and progesterone receptor (PR) less than Allred score of 3 OR less than 1% positive staining cells in the invasive component of the tumor.
  • HER2 negative by fluorescence in situ hybridization (FISH) or immunohistochemistry (IHC) staining 0 or 1+.
  • PD-L1 negative by a Clinical Laboratory Improvement Act (CLIA) approved laboratory using compatible assays appropriate for treatment decisions.
  • Patients may have measurable or evaluable disease.
  • Patients must be willing to undergo biopsy and have accessible lesions for a new biopsy, or they must have sufficient tissue available from a biopsy performed for standard of care (specifications below). If patient does not have enough archived tissue available, a new biopsy is required. A tumor specimen obtained from relapsed primary, metastatic, or locally advanced sites of disease (if applicable) must be submitted. Acceptable samples include core needle biopsies for deep tumor tissue (minimum 4 cores) or excisional, incisional, punch, or forceps biopsies for cutaneous, subcutaneous, or mucosal lesions. Formalin-fixed, paraffin-embedded (FFPE) tumor specimens in paraffin blocks are preferred; FFPE tumor tissue sections on slides may be provided if sufficient material (15 x 10μ, unstained) is available. Fine-needle aspiration, brushing, cell pellet from pleural effusion, bone metastases, and lavage samples are not acceptable.
  • No prior therapy for metastatic TNBC. Patients who have received taxane-based adjuvant therapy are required to have a disease-free interval of at least 12 months after completion of taxane therapy.
  • Age >= 18 years. Because no dosing or adverse event data are currently available on the use of durvalumab (MEDI4736) and tremelimumab in combination with neoantigen vaccine in patients < 18 years of age, children are excluded from this study, but will be eligible for future pediatric trials
  • Eastern Cooperative Oncology Group (ECOG) performance status =< 1 (Karnofsky >= 60%).
  • Body weight > 30 kg.
  • Must have a life expectancy of at least 12 weeks.
  • Absolute neutrophil count >= 1,500/mcL.
  • Platelets >= 100,000/mcL.
  • Hemoglobin >= 9.0 g/dL.
  • Serum bilirubin =< 1.5 x institutional upper limit of normal.
  • Aspartate aminotransferase (AST) (serum glutamic oxaloacetic transaminase [SGOT])/alanine aminotransferase (ALT) (serum glutamic pyruvic transaminase [SGPT]) =< 2.5 x institutional upper limit of normal unless liver metastases are present, in which case it must be =< 5 x institutional upper limit of normal.
  • Calculated creatinine clearance > 40 mL/min by the Cockcroft-Gault formula or by 24-hour urine collection for determination of creatinine clearance.

  • Evidence of post-menopausal status or negative urinary or serum pregnancy test for female pre-menopausal patients. Women will be considered post-menopausal if they have been amenorrheic for 12 months without an alternative medical cause. The following age-specific requirements apply:

    • Women < 50 years of age would be considered post-menopausal if they have been amenorrheic for 12 months or more following cessation of exogenous hormonal treatments and if they have luteinizing hormone and follicle-stimulating hormone levels in the post-menopausal range for the institution or underwent surgical sterilization (bilateral oophorectomy or hysterectomy).
    • Women >= 50 years of age would be considered post-menopausal if they have been amenorrheic for 12 months or more following cessation of all exogenous hormonal treatments, had radiation-induced menopause with last menses > 1 year ago, had chemotherapy-induced menopause with last menses > 1 year ago, or underwent surgical sterilization (bilateral oophorectomy, bilateral salpingectomy or hysterectomy).
  • The effects of durvalumab (MEDI4736) and tremelimumab and neoantigen vaccine on the developing human fetus are unknown. For this reason and because these agents may be teratogenic, women of child-bearing potential must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry, for the duration of study participation, and through 180 days after completion of durvalumab (MEDI4736) and tremelimumab. Should a woman become pregnant or suspect she is pregnant while she or her partner is participating in this study, she should inform her treating physician immediately.
  • Patient is willing and able to comply with the protocol for the duration of the study including undergoing treatment and scheduled visits and examinations including follow up.
  • Human immunodeficiency virus (HIV)-positive patients are eligible provided they have a negative viral load, CD4 count > 250, and are on a stable antiretroviral regimen.
  • Ability to understand and the willingness to sign a written informed consent document. Patients with impaired decision-making capacity who have a close caregiver or legal guardian are also eligible with the consent of the caregiver/guardian.

Exclusion Criteria:

  • Patients who are not considered to be candidates for carboplatin + gemcitabine for first line therapy of their metastatic triple negative breast cancer are not eligible.
  • Patients who have had chemotherapy, radiotherapy (to more than 30% of the bone marrow), or biologic therapy within 30 days (42 days for nitrosoureas or mitomycin C) prior to entering the study.
  • Patients who have received prior immunotherapy for metastatic disease.

  • Patients who have not recovered from grade >= 2 adverse events due to prior anti-cancer therapy with the exception of alopecia, vitiligo, and the laboratory values defined in the inclusion criteria.

    • Patients with grade >= 2 neuropathy will be evaluated on a case-by-case basis after consultation with the study physician.
  • Patients with grade >= 2 endocrinological adverse events (AEs), (e.g., hypothyroidism, adrenal insufficiency, hypopituitarism, or diabetes mellitus), must have been on a stable dose of supplemental therapy for at least 2 weeks before screening to be eligible for this study, and the endocrinological AE must be stable in the opinion of the treating physician.
  • Patients who are receiving any other investigational agents or who have received an investigational agent within the last 30 days.

  • Receipt of live attenuated vaccination within 6 months prior to study entry or within 30 days of receiving durvalumab (MEDI4736) and tremelimumab.

    • Note: Patients, if enrolled, should not receive live vaccine whilst receiving study treatment and up to 30 days after the last dose of study treatment.
  • Major surgical procedure within 28 days prior to the first dose of durvalumab (MEDI4736) and tremelimumab. Local surgery of isolated lesions for palliative intent is acceptable.

  • Current or prior use of immunosuppressive medication within 14 days before the first dose of durvalumab (MEDI4736) or tremelimumab. The following are exceptions to this criterion:

    • Intranasal, inhaled, topical steroids or local steroid injections (e.g. intra-articular injection)
    • Systemic corticosteroids at physiological doses which are not to exceed 10 mg/day of prednisone or an equivalent corticosteroid
    • Steroids as premedication for hypersensitivity reactions (e.g. CT scan premedication)
    • Steroids for symptoms from brain metastases as defined.

  • Spinal cord compression or active brain metastases and/or carcinomatous meningitis. Subjects who have had brain metastases resected or have received radiation therapy ending at least 4 weeks prior to registration are eligible if they meet all of the following criteria:

    • Residual neurological symptoms have resolved to grade =< 2
    • On stable doses of dexamethasone, if applicable and if acceptable in the opinion of the treating physician
    • Follow-up MRI performed after surgery or completion of radiation therapy and prior to registration shows no new lesions.
  • History of allergic reactions attributed to compounds of similar chemical or biologic composition to durvalumab (MEDI4736) and tremelimumab. Known allergy, or history of serious adverse reaction to vaccines, such as anaphylaxis, hives or respiratory difficulty.
  • Mean QT interval corrected for heart rate using Fridericia's formula (QTcF) >= 470 ms calculated from 3 electrocardiograms (ECGs) (within 15 minutes at 5 [+/- 3] minutes apart).
  • Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, uncontrolled hypertension, unstable angina pectoris, cardiac arrhythmia, interstitial lung disease, serious chronic gastrointestinal conditions associated with diarrhea, evidence of any acute or chronic viral illness or disease, or psychiatric illness/social situations that would limit compliance with study requirements.
  • Pregnant women are excluded from this study because durvalumab (MEDI4736) and tremelimumab has the potential for teratogenic or abortifacient effects. Because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with durvalumab (MEDI4736) and tremelimumab, breastfeeding should be discontinued if the mother is treated with durvalumab (MEDI4736) and tremelimumab. These potential risks may also apply to other agents used in this study. A negative serum pregnancy test is required no more than 7 days before study entry.
  • Active autoimmune disease that has required systemic treatment in the past 2 years (i.e. with use of disease modifying agents, corticosteroids, or immunosuppressive drugs). Replacement therapy (e.g. thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) is not considered a form of systemic treatment.
  • History of pneumonitis or interstitial lung disease.
  • History of active primary immunodeficiency.
  • Active infection including tuberculosis (clinical evaluation that includes clinical history, physical examination, and radiographic findings, and tuberculosis [TB] testing in line with local practice), hepatitis B (known positive hepatitis B virus [HBV] surface antigen [HBsAg] result), or hepatitis C. Patients with a past or resolved HBV infection (defined as the presence of hepatitis B core antibody [anti-HBc] and absence of HBsAg) are eligible. Patients positive for hepatitis C (HCV) antibody are eligible only if polymerase chain reaction is negative for HCV ribonucleic acid (RNA).

  • The patient with a previous history of non-breast malignancy is eligible for this study only if the patient meets the following criteria for a cancer survivor. A cancer survivor is eligible provided the following criteria are met:

    • Patient has undergone potentially curative therapy for all prior malignancies.
    • Patients have been considered disease free for at least 1 year (with the exception of basal cell or squamous cell carcinoma of the skin or carcinoma-in-situ of the cervix).
  • Patients with a strong likelihood of non-adherence (such as difficulties in adhering to follow-up schedule due to geographic distance from the treatment facility) should not be knowingly registered.
  • History of allogeneic organ transplantation.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Arm I (neoantigen vaccine, durvalumab, nab-paclitaxel)
See Detailed Description.
Drug: Carboplatin
Given IV
Other Names:
  • Blastocarb
  • Carboplat
  • Carboplatin Hexal
  • Carboplatino
  • Carboplatinum
  • Carbosin
  • Carbosol
  • Carbotec
  • CBDCA
  • Displata
  • Ercar
  • JM-8
  • Nealorin
  • Novoplatinum
  • Paraplatin
  • Paraplatin AQ
  • Paraplatine
  • Platinwas
  • Ribocarbo
  • JM8
Procedure: Magnetic Resonance Imaging
Undergo MRI
Other Names:
  • MRI
  • Magnetic Resonance
  • Magnetic Resonance Imaging Scan
  • Medical Imaging, Magnetic Resonance / Nuclear Magnetic Resonance
  • MR
  • MR Imaging
  • MRI Scan
  • NMR Imaging
  • NMRI
  • Nuclear Magnetic Resonance Imaging
  • Magnetic Resonance Imaging (MRI)
  • sMRI
  • Magnetic resonance imaging (procedure)
  • MRIs
  • Structural MRI
Drug: Nab-paclitaxel
Given IV
Other Names:
  • ABI-007
  • Abraxane
  • Albumin-bound Paclitaxel
  • ABI 007
  • Albumin-Stabilized Nanoparticle Paclitaxel
  • Nanoparticle Albumin-bound Paclitaxel
  • Nanoparticle Paclitaxel
  • Paclitaxel Albumin
  • paclitaxel albumin-stabilized nanoparticle formulation
  • Protein-bound Paclitaxel
  • ABI007
  • Paclitaxel Protein-Bound
  • Paclitaxel Nanoparticle Albumin-bound
  • Naveruclif
Drug: Gemcitabine Hydrochloride
Given IV
Other Names:
  • Gemzar
  • dFdCyd
  • Difluorodeoxycytidine Hydrochloride
  • Gemcitabine HCI
  • LY-188011
  • LY188011
  • LY 188011
Biological: Durvalumab
Given IV
Other Names:
  • Imfinzi
  • Immunoglobulin G1, Anti-(Human Protein B7-H1) (Human Monoclonal MEDI4736 Heavy Chain), Disulfide with Human Monoclonal MEDI4736 Kappa-chain, Dimer
  • MEDI-4736
  • MEDI4736
  • MEDI 4736
Procedure: Computed Tomography
Undergo CT scan
Other Names:
  • CT
  • CAT
  • CAT Scan
  • Computed Axial Tomography
  • Computerized Axial Tomography
  • Computerized Tomography
  • CT Scan
  • tomography
  • Computerized axial tomography (procedure)
  • Computerized Tomography (CT) scan
  • Diagnostic CAT Scan
  • Diagnostic CAT Scan Service Type
Biological: Tremelimumab
Given IV
Other Names:
  • Anti-CTLA4 Human Monoclonal Antibody CP-675,206
  • CP-675
  • CP-675,206
  • CP-675206
  • Ticilimumab
  • Imjudo
  • Tremelimumab-actl
  • CP 675
  • CP 675206
  • CP675
  • CP675206
Procedure: Biospecimen Collection
Undergo blood and urine sample collection
Other Names:
  • Biological Sample Collection
  • Biospecimen Collected
  • Specimen Collection
  • Sample Collection
Drug: Poly ICLC
Given SC
Other Names:
  • Hiltonol
  • Polyinosinic-Polycytidylic Acid Stabilized with Polylysine and Carboxymethylcellulose
  • poly-ICLC
  • Polyriboinosinic-Polyribocytidylic Acid-Polylysine Carboxymethylcellulose
  • Poly I:Poly C with Poly-L-Lysine Stabilizer
  • PolyI:PolyC with Poly-L-Lysine Stabilizer
  • Stabilized Polyriboinosinic/Polyribocytidylic Acid
Biological: Sacituzumab Govitecan
Given IV
Other Names:
  • IMMU-132
  • Trodelvy
  • Sacituzumab Govitecan-hziy
  • hRS7-SN38 Antibody Drug Conjugate
  • RS7-SN38
  • IMMU 132
  • IMMU132
  • RS7 SN38
  • RS7SN38
Biological: Personalized Synthetic Long Peptide Vaccine
Given SC
Other Names:
  • Personalized SLP Vaccine
  • TSMA-based SLP Vaccine
  • TSMA-based Synthetic Long Peptide Vaccine
  • Tumor Specific Mutant Antigen-based Synthetic Long Peptide Vaccine
Procedure: Biopsy Procedure
Undergo tumor biopsy
Other Names:
  • Bx
  • BIOPSY_TYPE
  • Biopsy
Active Comparator: Arm II (durvalumab, nab-paclitaxel)
See Detailed Description.
Drug: Carboplatin
Given IV
Other Names:
  • Blastocarb
  • Carboplat
  • Carboplatin Hexal
  • Carboplatino
  • Carboplatinum
  • Carbosin
  • Carbosol
  • Carbotec
  • CBDCA
  • Displata
  • Ercar
  • JM-8
  • Nealorin
  • Novoplatinum
  • Paraplatin
  • Paraplatin AQ
  • Paraplatine
  • Platinwas
  • Ribocarbo
  • JM8
Procedure: Magnetic Resonance Imaging
Undergo MRI
Other Names:
  • MRI
  • Magnetic Resonance
  • Magnetic Resonance Imaging Scan
  • Medical Imaging, Magnetic Resonance / Nuclear Magnetic Resonance
  • MR
  • MR Imaging
  • MRI Scan
  • NMR Imaging
  • NMRI
  • Nuclear Magnetic Resonance Imaging
  • Magnetic Resonance Imaging (MRI)
  • sMRI
  • Magnetic resonance imaging (procedure)
  • MRIs
  • Structural MRI
Drug: Nab-paclitaxel
Given IV
Other Names:
  • ABI-007
  • Abraxane
  • Albumin-bound Paclitaxel
  • ABI 007
  • Albumin-Stabilized Nanoparticle Paclitaxel
  • Nanoparticle Albumin-bound Paclitaxel
  • Nanoparticle Paclitaxel
  • Paclitaxel Albumin
  • paclitaxel albumin-stabilized nanoparticle formulation
  • Protein-bound Paclitaxel
  • ABI007
  • Paclitaxel Protein-Bound
  • Paclitaxel Nanoparticle Albumin-bound
  • Naveruclif
Drug: Gemcitabine Hydrochloride
Given IV
Other Names:
  • Gemzar
  • dFdCyd
  • Difluorodeoxycytidine Hydrochloride
  • Gemcitabine HCI
  • LY-188011
  • LY188011
  • LY 188011
Biological: Durvalumab
Given IV
Other Names:
  • Imfinzi
  • Immunoglobulin G1, Anti-(Human Protein B7-H1) (Human Monoclonal MEDI4736 Heavy Chain), Disulfide with Human Monoclonal MEDI4736 Kappa-chain, Dimer
  • MEDI-4736
  • MEDI4736
  • MEDI 4736
Procedure: Computed Tomography
Undergo CT scan
Other Names:
  • CT
  • CAT
  • CAT Scan
  • Computed Axial Tomography
  • Computerized Axial Tomography
  • Computerized Tomography
  • CT Scan
  • tomography
  • Computerized axial tomography (procedure)
  • Computerized Tomography (CT) scan
  • Diagnostic CAT Scan
  • Diagnostic CAT Scan Service Type
Biological: Tremelimumab
Given IV
Other Names:
  • Anti-CTLA4 Human Monoclonal Antibody CP-675,206
  • CP-675
  • CP-675,206
  • CP-675206
  • Ticilimumab
  • Imjudo
  • Tremelimumab-actl
  • CP 675
  • CP 675206
  • CP675
  • CP675206
Procedure: Biospecimen Collection
Undergo blood and urine sample collection
Other Names:
  • Biological Sample Collection
  • Biospecimen Collected
  • Specimen Collection
  • Sample Collection
Biological: Sacituzumab Govitecan
Given IV
Other Names:
  • IMMU-132
  • Trodelvy
  • Sacituzumab Govitecan-hziy
  • hRS7-SN38 Antibody Drug Conjugate
  • RS7-SN38
  • IMMU 132
  • IMMU132
  • RS7 SN38
  • RS7SN38
Procedure: Biopsy Procedure
Undergo tumor biopsy
Other Names:
  • Bx
  • BIOPSY_TYPE
  • Biopsy

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Progression-free survival (PFS)
Time Frame: From initiation of Part B to progression or death, assessed at 6 and 12 months
The median PFS in each arm and their 80% confidence intervals will be assessed using Kaplan-Meier product limit methods and compared by log-rank test.
From initiation of Part B to progression or death, assessed at 6 and 12 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Clinical response rate
Time Frame: Up to 52 weeks
Will be assessed by Response Evaluation Criteria in Solid Tumors (RECIST) 1.1. Will be assessed and their 95% confidence intervals will be calculated.
Up to 52 weeks
Clinical benefit rate (complete response, partial response, stable disease)
Time Frame: Up to 52 weeks
Will be assessed by RECIST 1.1. Will be assessed and their 95% confidence intervals will be calculated.
Up to 52 weeks
Overall survival (OS)
Time Frame: Up to 52 weeks
The median OS and 95% confidence interval will also be assessed using Kaplan-Meier product limit methods and compared by log-rank test.
Up to 52 weeks
Incidence of adverse events
Time Frame: Up to day 22
Will be assessed using the National Cancer Institute Common Terminology Criteria for Adverse Events version 5. The number and percentage of subjects experiencing each type of adverse event will be tabulated by severity, and relationship to treatment. If appropriate, confidence intervals will be used to characterize the precision of the estimate.
Up to day 22

Other Outcome Measures

Outcome Measure
Measure Description
Time Frame
Immune response
Time Frame: Up to 52 weeks
Immunogenicity biomarkers in both tumor tissues and peripheral blood will be summarized using descriptive statistics at each time point. The differences over time as well as the between-group differences will be compared using linear mixed model for repeated measurement data, followed by ad-hoc multiple comparisons for the specific differences of interest. The association between clinical response and baseline biomarkers (tumor infiltrating lymphocyte [TIL] percentage, expression of PD-L1 on TILs and tumor, triple negative breast cancer subtype as determined by gene expression, immune signature as determined by gene expression, mutational landscape, presence and phenotype of neoantigen-specific T cells, etc.) will also be explored by comparing the differences in theses biomarkers between responders versus non-responders using t-test, Mann-Whitney rank-sum test, or Fisher's exact test as appropriate.
Up to 52 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

National Cancer Institute (NCI)

Investigators

  • Principal Investigator: William E Gillanders, Yale University Cancer Center LAO

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

April 13, 2021

Primary Completion (Estimated)

December 30, 2026

Study Completion (Estimated)

December 30, 2026

Study Registration Dates

First Submitted

July 30, 2018

First Submitted That Met QC Criteria

July 30, 2018

First Posted (Actual)

July 31, 2018

Study Record Updates

Last Update Posted (Actual)

May 13, 2026

Last Update Submitted That Met QC Criteria

May 12, 2026

Last Verified

April 1, 2026

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • NCI-2018-01581 (Registry Identifier: CTRP (Clinical Trial Reporting Program))
  • UM1CA186704 (U.S. NIH Grant/Contract)
  • 10146 (Other Identifier: CTEP)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Plan Description

NCI is committed to sharing data in accordance with NIH policy. For more details on how clinical trial data is shared, access the link to the NIH data sharing policy page.

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

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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