New umbrella study aims to match breast cancer patients with best drug cocktail
NCT ID NCT03424005
First seen Jun 26, 2026 · Last updated Sep 11, 2026 · Updated 7 times
Summary
This study is testing many different drug combinations in people with metastatic breast cancer that has spread or cannot be removed by surgery. Researchers are looking at which combinations work best for different cancer types, such as triple-negative or hormone receptor-positive. The goal is to improve response rates and control the disease longer.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Capecitabine, Atezolizumab, and other drug combinations
- What this could lead to
- If successful, this could identify better treatment combinations for different types of metastatic breast cancer, potentially improving survival and quality of life.
- What could go wrong
- This is an early-phase (1b/2) study, so results are preliminary. Many combinations may not work better than current treatments, and side effects are possible.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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About 1,132 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2018
- Expected to finish
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Sep 2030
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria Patients must meet all of the following criteria to qualify for Stage 1 (all cohorts) and to qualify for Stage 2 (2L CIT-naïve cohort): * Age \>/= 18 years at the time of signing Informed Consent Form * Eastern cooperative oncology group (ECOG) performance status of 0 or 1 * Able to comply with the study protocol, in the investigator's judgment * Metastatic or inoperable locally advanced adenocarcinoma of the breast * Measurable disease (at least one target lesion) according to RECIST v1.1 * Life expectancy \>/= 3 months, as determined by the investigator * Tumor accessible for biopsy, unless archival tissue is available * Availability of a representative tumor specimen that is suitable for biomarker analysis via central testing * Adequate hematologic and end-organ function, defined by the following laboratory test results, obtained within 14 days prior to initiation of study treatment * For women of childbearing potential: agreement to remain abstinent (refrain from heterosexual intercourse) or use contraceptive measures and agreement to refrain from breastfeeding and donating eggs, as outlined for each specific treatment arm * For men: agreement to remain abstinent (refrain from heterosexual intercourse) or use contraceptive measures, and agreement to refrain from donating sperm, as outlined for each specific treatment arm Exclusion Criteria Exclusion Criteria for Stage 1 * Prior treatment with T-cell co-stimulating or immune checkpoint blockade therapies, including anti-CTLA-4, anti-PD-1, and anti-PD-L1 therapeutic antibodies, CD40 agonists or interleukin-2 (IL-2) or IL-2-like compounds * Biologic treatment (e.g., bevacizumab) within 2 weeks prior to initiation of study treatment, or other systemic treatment for TNBC within 2 weeks or 5 half-lives of the drug (whichever is longer) prior to initiation of study treatment * Treatment with systemic immunosuppressive medication (including, but not limited to, corticosteroids, cyclophosphamide, azathioprine, methotrexate, thalidomide, and anti-tumor necrosis factor alpha agents) within 2 weeks prior to initiation of study treatment, or anticipation of need for systemic immunosuppressive medication during the course of the study * Eligibility only for the control arm Exclusion Criteria for Stage 1 (both cohorts) and Stage 2 (2L CIT-naïve cohort) * Adverse events from prior anti-cancer therapy that have not resolved to Grade \</= 1 or better with the exception of alopecia of any grade and Grade \</= 2 peripheral neuropathy * Treatment with investigational therapy within 28 days prior to initiation of study treatment * Uncontrolled pleural effusion, pericardial effusion, or ascites requiring recurrent drainage procedures (once monthly or more frequently) * Uncontrolled tumor-related pain * Symptomatic, untreated, or actively progressing central nervous system (CNS) metastases * History of leptomeningeal disease * Active or history of autoimmune disease or immune deficiency * History of idiopathic pulmonary fibrosis, organizing pneumonia (e.g., bronchiolitis obliterans), drug-induced pneumonitis, or idiopathic pneumonitis, or evidence of active pneumonitis on screening chest computed tomography (CT) scan. History of radiation pneumonitis in the radiation field (fibrosis) is permitted. * Active tuberculosis * Severe infection within 4 weeks prior to initiation of study treatment * Treatment with therapeutic oral or IV antibiotics within 2 weeks prior to initiation of study treatment * Significant cardiovascular disease * Prior allogeneic stem cell or solid organ transplantation * History of malignancy other than breast cancer within 2 years prior to screening, with the exception of those with a negligible risk of metastasis or death * Pregnancy or breastfeeding, or intention of becoming pregnant during the study
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Get notified about this study
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
37 sites in 8 countries. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Asan Medical Center
RECRUITINGSeoul, 05505, South Korea
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Assuta Medical Centers
RECRUITINGTel Aviv, 69710, Israel
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Barts Health NHS Trust - St Bartholomew's Hospital
COMPLETEDLondon, EC1A 7BE, United Kingdom
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Beatson West of Scotland Cancer Centre
COMPLETEDGlasgow, G12 0YN, United Kingdom
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Centre Léon Bérard
COMPLETEDLyon, 69008, France
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Centro Integral Oncológico Clara Campal Ensayos Clínicos START
RECRUITINGMadrid, 28050, Spain
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City of Hope
COMPLETEDDuarte, California, 91010, United States
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City of Hope - Duarte
RECRUITINGDuarte, California, 91010, United States
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City of Hope - Orange County Lennar Foundation Cancer Center
RECRUITINGIrvine, California, 92618, United States
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City of Hope® Cancer Center Chicago
RECRUITINGZion, Illinois, 60099, United States
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Duke Cancer Institute
RECRUITINGDurham, North Carolina, 27710-2000, United States
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Fiona Stanley Hospital - Medical Oncology
RECRUITINGMurdoch, Western Australia, 6150, Australia
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Gustave Roussy
RECRUITINGVillejuif, 94805, France
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H. Lee Moffitt Cancer Center and Research Inst.
COMPLETEDTampa, Florida, 33612, United States
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Hackensack Univ Medical Center
WITHDRAWNHackensack, New Jersey, 07601, United States
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Hadassah University Medical Center
RECRUITINGJerusalem, 91120, Israel
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Hospital Universitario Ramon y Cajal
RECRUITINGMadrid, 28034, Spain
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Hospital Universitario Virgen Macarena
RECRUITINGSeville, Sevilla, 41009, Spain
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Hospital del Mar
RECRUITINGBarcelona, 08003, Spain
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Institut Universitaire du Cancer de Toulouse-Oncopole
RECRUITINGToulouse, 31059, France
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Institut régional du Cancer Montpellier
WITHDRAWNMontpellier, 34298, France
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Metro-Minnesota Community Oncology Research Consortium
RECRUITINGSaint Paul, Minnesota, 55101-2502, United States
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NYU Langone Medical Center
WITHDRAWNNew York, New York, 10016, United States
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National Cancer Center Clinical Trials Center / Center for Breast Cancer
RECRUITINGGoyang-si, 410-769, South Korea
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National Cheng Kung University Hospital
RECRUITINGTainan, 704302, Taiwan
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National Taiwan University Hospital
RECRUITINGTaipei, 100, Taiwan
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Peter MacCallum Cancer Centre-East Melbourne
RECRUITINGMelbourne, Victoria, 3000, Australia
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Rabin MC
RECRUITINGPetah Tikva, 55900, Israel
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Rambam Medical Center
RECRUITINGHaifa, 3109601, Israel
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Regional Cancer Care Associates, LLC
WITHDRAWNHowell Township, New Jersey, 07731, United States
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Renown Regional Medical Center
RECRUITINGReno, Nevada, 89502-1576, United States
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Rocky Mountain Cancer Center - Longmont
COMPLETEDLongmont, Colorado, 80501, United States
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Rutgers Cancer Institute of New Jersey
WITHDRAWNNew Brunswick, New Jersey, 08901, United States
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Samsung Medical Center
RECRUITINGSeoul, 06351, South Korea
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Seoul National University Hospital
RECRUITINGSeoul, 03080, South Korea
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Severance Hospital
RECRUITINGSeoul, 03722, South Korea
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Shaare Zedek Medical Center
RECRUITINGJerusalem, 9103102, Israel
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Sheba Medical Center
RECRUITINGRamat Gan, 5262100, Israel
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Stanford Cancer Institute
WITHDRAWNStanford, California, 94305, United States
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Tel-Aviv Sourasky Medical Center
RECRUITINGTel Aviv, 6423906, Israel
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Tennessee Oncology - Chattanooga Oncology & Hematology Associates
RECRUITINGChattanooga, Tennessee, 37404, United States
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Tennessee Oncology PLLC
RECRUITINGNashville, Tennessee, 37203, United States
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Texas Oncology-Plano East
WITHDRAWNPlano, Texas, 75075-7787, United States
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The West Clinic
RECRUITINGGermantown, Tennessee, 38138, United States
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Thomas Jefferson University Hospital
WITHDRAWNPhiladelphia, Pennsylvania, 19107, United States
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UCLA Health 200 Medical Plaza
RECRUITINGLos Angeles, California, 90004, United States
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University of California San Diego (UCSD) - Koman Family Outpatient Pavilion ? La Jolla
RECRUITINGLa Jolla, California, 92093-1350, United States
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University of California San Diego Medical Center
COMPLETEDLa Jolla, California, 92093, United States
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University of Pittsburgh Medical Center
WITHDRAWNPittsburgh, Pennsylvania, 15213, United States
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Universitätsklinikum Erlangen
RECRUITINGErlangen, 91054, Germany
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Universitätsklinikum Essen
RECRUITINGEssen, 45147, Germany
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Vall d?Hebron Institute of Oncology (VHIO), Barcelona
RECRUITINGBarcelona, 08035, Spain
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Vanderbilt University Medical Center
RECRUITINGNashville, Tennessee, 37212, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Gut bacteria may hold clues to why some cancer treatments work better
- Daily pill giredestrant put to the test for sticking with breast cancer treatment
- Can an oral HER2 drug boost Chemo's punch in HER2-Low breast cancer?
- Unlocking TNBC survival: genetic clues from 3,648 women
- New drug targets Sugar-Coated proteins on cancer cells
- Can a blood test reveal when breast cancer treatment stops working?