Could adding capecitabine boost chemo success in Triple-Negative breast cancer?
NCT ID NCT04335669
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This phase 3 trial tests whether adding the drug capecitabine to standard chemotherapy improves outcomes for people with early triple-negative breast cancer. The study involves 325 participants and aims to see if the combination leads to a higher rate of complete tumor disappearance before surgery. Pembrolizumab is also allowed in both treatment groups.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- capecitabine (added to standard chemotherapy drugs epirubicin, cyclophosphamide, paclitaxel, carboplatin, and pembrolizumab)
- What this could lead to
- If successful, this could lead to a more effective chemotherapy regimen for early triple-negative breast cancer, potentially increasing the chance of a complete response before surgery.
- What could go wrong
- This is a phase 3 trial, but results are not yet available. Adding capecitabine may increase side effects without improving outcomes, and the study only includes specific patient types.
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 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 325 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2019
- Expected to finish
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Sep 2035
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
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 to 75 years
- 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: 1. Signed written informed consent approved by the Ethical Review Board (IRB). 2. Age ≥ 18 to \< 76 years. 3. Histologically confirmed unilateral adenocarcinoma of the breast where neoadjuvant chemotherapy followed by definitive surgery is planned. 4. Node positive disease (N1-3) or if clinically N0 Tumor size \>20 mm. When deciding T-stage the following hierarchy applies, 1. MRI 2. Ultrasound 3. Mammography 4. Clinical examination 5. ER negative tumor defined by at least one the following: 1. ER \< 1% cells positive by immunohistochemistry (IHC) or ER ≤ 10% cells positive by IHC and basal-like subtype using gene expression analysis 2. ER \< 10% cells positive by IHC and PgR \< 10% cells positive by IHC 6. HER2-normal tumor defined according to applicable national guidelines 7. Consent for germline mutation screening for BRCA1, BRCA2 and other inherited breast cancer associated genes. 8. WHO performance status 0 or 1. 9. Negative pregnancy test in women of childbearing potential (premenopausal or \<12 months of amenorrhea post-menopause and who have not undergone surgical sterilization). 10. Willingness of female patients of childbearing potential, male patients, and their sexual partners to use an effective means of contraception during the treatment period and at least 6 months thereafter. 11. Willingness by the patient to undergo treatment and study related procedures according to the protocol. Exclusion Criteria: 1. Clinical or radiological signs of metastatic disease. 2. History of other malignancy within the last 5 years, except for carcinoma in situ of the cervix or non-melanoma skin cancer. 3. Previous chemotherapy for cancer or other malignant disease. 4. Charlson comorbidity index, excluding score for malignancy: (CCI) \> 2, Comment: In patients 70-75 a CCI = 3 is allowed, see appendix B. 5. Inadequate organ function, suggested by the following laboratory results: a Absolute neutrophil count \< 1,5 x 109/L b Platelet count \< 100 x 109/L c Hemoglobin \< 90 g/L d Total bilirubin greater than the upper limit of normal (ULN) unless the patient has documented Gilbert´s syndrome e ASAT (SGOT) and/or ALAT (SGPT) \> 2,5 x ULN f ASAT (SGOT) and/or ALAT (SGPT) \> 1,5 x ULN with concurrent serum alkaline phosphatase (ALP) \> 2,5 x ULN g Serum creatinine clearance \< 50 ml/min 6. Concurrent peripheral neuropathy of grade 3 or greater (NCI-CTCAE, Version 5.0). 7. Patient who is actively breast feeding. 8. Assessed by the Investigator to be unable or unwilling to comply with the requirements of the protocol. 9. Patients with known deficiency of the DPD-enzyme who completely lack DPD.
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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.
Contacts and locations
Locations
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Aalborg Universitetshospita
Aalborg, 9000, Denmark
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Academical Hospital, Department of Oncology
Uppsala, 753 09, Sweden
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Capio S:t Göran Hospital, Department of Oncology
Stockholm, 112 19, Sweden
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Centralsjukhuset i Kristianstad
Kristianstad, Skåne County, 291 85, Sweden
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Gävle hospital, Department of Oncology
Gävle, 803 24, Sweden
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Halmstad Hospital, Department of Surgery
Halmstad, 302 33, Sweden
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Karlstad Hospital
Karlstad, 652 30, Sweden
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Nordsjællands Hospital
Hillerød, 3400, Denmark
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Norrland University Hospital, Department of Oncology
Umeå, 907 37, Sweden
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Regionsjælland Næstved Sygehus
Næstved, 4700, Denmark
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Rigshospitalet
Copenhagen, 2100, Denmark
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Ryhov Hospital
Jönköping, 551 85, Sweden
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Sahlgrenska University Hospital, Department of Oncology
Gothenburg, 413 46, Sweden
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Skåne University Hospital, Department of Oncology
Malmö, 20501, Sweden
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Sundsvall hospital
Sundsvall, 851 86, Sweden
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Sydvestjysk Sygehus
Esbjerg, 6700, Denmark
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Södersjukhuset, Department of Oncology
Stockholm, 118 61, Sweden
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Södra Älvsborgs Hospital
Borås, 501 82, Sweden
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Sønderborg sygehus
Sønderborg, 6300, Denmark
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Vejle Hospital
Vejle, Region Syd, 7100, Denmark
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Vejle syghus
Vejle, 7100, Denmark
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Västmanlands Hopsital Västerås
Västerås, 721 89, Sweden
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Växjö Hospital, Department of Oncology
Vaxjo, 352 34, Sweden
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Örebro University Hospital, Department of Oncology
Örebro, 701 85, Sweden
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