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Browse 5,597 clinical trials for breast cancer. Find studies that match your criteria and connect with research centers.
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NCT07269691
This study is an open-label, controlled, multicenter phase III clinical trial designed to evaluate whether the use of iodine-125 radioactive seed markers can improve treatment response for patients with early or locally advanced breast cancer undergoing neoadjuvant therapy. Neoadjuvant therapy is widely used for breast cancer to shrink tumors, increase the chances of breast-conserving surgery, and help determine the most effective postoperative treatments. Achieving a pathological complete response (pCR) after neoadjuvant therapy is strongly associated with better long-term outcomes. In this study, qualified participants will be randomly assigned in a 1:1 ratio to either the experimental group or the control group. Experimental group: Patients will receive placement of iodine-125 seed markers in the primary breast tumor and biopsy-proven positive axillary lymph nodes before starting neoadjuvant therapy. Control group: Patients will undergo standard neoadjuvant therapy without seed placement. All participants will then complete neoadjuvant therapy followed by surgery. Pathological evaluation will determine whether the cancer has completely disappeared. Long-term outcomes, including invasive disease-free survival, will be followed for at least five years. The goal of this study is to determine whether radioactive seed marking can increase the rate of pathological complete response and improve prognosis in patients receiving neoadjuvant therapy for breast cancer. The study will also explore whether iodine-125 seeds may activate immune responses that contribute to treatment effectiveness.
NCT04538742
DESTINY-Breast07 will investigate the safety, tolerability, and anti-tumour activity of trastuzumab deruxtecan (T-DXd) in combination with other anti-cancer agents in patients with HER2-positive Metastatic Breast Cancer
NCT06910761
This phase II trial tests how well craniospinal irradiation (CSI) using photon volumetric modulated arc radiotherapy (VMAT) works in treating patients with breast cancer or non-small cell lung cancer (NSCLC) that has spread from the original (primary) tumor to the cerebrospinal fluid and meninges (thin layers of tissue that cover and protect the brain and spinal cord) (leptomeningeal disease). Radiation therapy uses high energy x-rays, particles, or radioactive seeds to kill cancer cells and shrink tumors. CSI (radiation therapy directed at the brain and spinal cord to kill tumor cells) may be able to target all of the areas of possible leptomeningeal tumor spread. Photon-VMAT-CSI may be an effective treatment option for patients with leptomeningeal disease secondary to breast cancer or NSCLC.
NCT04188119
This research is being done because the investigators are looking for new and better ways to treat a type of breast cancer called triple negative breast cancer. This type of breast cancer can be more difficult to treat than other types of breast cancer as it does not respond to drugs such as hormonal therapies. One type of treatment that looks promising is immunotherapy using new drugs called immune checkpoint inhibitors. Immune checkpoints help to regulate the immune system and can stop the immune system from attacking cancer cells. Immune checkpoint inhibitors block this 'off-switch' and aim to help the immune system control the cancer. These drugs have been very effective in other cancers such as melanoma and are now being tested in breast cancer. In this study patients will receive an immune checkpoint inhibitor called avelumab. Half the patients on the study will also receive aspirin tablets for approximately 18 days as the investigators wish to compare the effects of avelumab alone versus in combination with aspirin. Patients will attend hospital approximately five times in order to complete all necessary study assessments. The first visit screens patients for suitability, after which a baseline visit will collect the first of two breast tissue biopsies. At the third visit a single dose of Avelumab will be given via an infusion (a drip in the forearm). Patients will then return approximately two weeks later for a second breast tissue biopsy before having a final follow up visit another two weeks later. Blood and urine samples will be taken at various visits throughout the study to help us learn more about the effects these treatments may have on the immune system and on breast cancer cells.
NCT04999917
Breast-conserving surgery (BCS) has become the standard-of-care for surgical management of the majority of women with early-stage breast cancer. Successful BCS entails excision of the tumor with an adequate amount of surrounding healthy breast parenchyma, such that negative resection margins are obtained. Despite efforts to obtain tumor-free margins, approximately 20-30% of women still require reoperation. The rationale of this study is to examine the contribution of the adjunctive use of perioperative high-resolution PET-CT specimen imaging in early-stage breast cancer to the identification of all positive resection margins during breast-conserving surgery. Histopathological findings of the breast tumor specimen are applied as the gold standard. After a successful screening phase and after informed consent is provided, the patient will enroll the study. The preparations for the BCS proceed following the routine protocol (i.e. as if the patient would not participate in the study). In addition to these standard preparations, on the day of surgery the patient will receive a study-specific injection with a low dose of a radiotracer substance (18F-FDG; 0.8 MBq/kg). Before injection, the blood sugar level will be measured by a small finger prick. If the blood sugar level is good, the radiotracer substance will be intravenously administered. The injection is given at the nuclear medicine department between 30 minutes and 3 hours before surgery. After the injection was given, the patient will be transferred to the operating theatre. The breast tumor will be removed in the same way as if the patient is not participating in the study. As soon as the tumor is excised, it will be imaged using the specimen PET-CT scanner in the operating theatre. While waiting for these 3D images, the surgeon will remove the lymph nodes, if applicable. The breast surgeon will then evaluate the 3D images of the removed breast tumor. In case of suspected positive margins, the surgeon will excise additional breast tissue to ensure that all tumor tissue is excised during this surgery. For scientific purposes only and if available, the cavity shaves and resected lymph nodes will also be imaged with the specimen PET-CT scanner. No clinical decisions that could affect further treatment will be based on this. After surgery, all excised tissues will be sent to the pathology department. This is standard routine and is also done for patients not participating in the study. A routine follow-up visit will be planned with the surgeon. During that routine visit, a staff member of the study team will ask additional study-related questions regarding possible complications. If the latter is not possible during the standard follow-up visit, a staff member of the study team will contact the patient by phone call 1-3 weeks after surgery. The study is completed after this follow-up visit or phone call.
NCT04916002
The goal of this study is to learn if giving cemiplimab and vidutolimod together could be effective in treating advanced cancer. The main questions it aims to answer are: * How many participants' cancers respond to vidutolimod together with cemiplimab? * Is vidutolimod together with cemiplimab safe and well-tolerated? * How well does vidutolimod together with cemiplimab treat participants' cancer? Participants will receive trial treatment for up to 2 years. 30 days after stopping treatment, participants will have a follow-up visit. After that visit, the trial staff will continue to follow up with participants about every 3 months, until the trial ends.
NCT06238921
This is a Phase I/II Study to determine the safety and efficacy of Sacituzumab Govitecan and Zimberelimab with stereotactic radiation (SRS) in participants with metastatic triple negative breast cancer with brain metastases, compared to treatment with Sacituzumab Govitecan alone.
NCT06970275
This registry study aims to evaluate the effectiveness and clinical impact of specimen PET-CT imaging by analyzing the correlation between specimen PET-CT images, intraoperative interpretations, and histopathological findings. Additionally, it assesses how these imaging insights influence clinical decision-making and long-term patient outcomes. Through this comprehensive analysis in a real-world setting, the study seeks to generate valuable insights that can enhance specimen evaluation processes and ultimately improve patient care.
NCT04661982
This trial studies long term follow-up care in patients with stage 0-IIIC breast cancer. Collecting feedback from breast cancer patients may help researchers to define comprehensive long term follow-up care for breast cancer survivors, better understand health-related quality of life and long-term complications in breast cancer survivors, and to increase the knowledge of the mechanisms by which a patient's own immune system attempts to combat breast cancer, and what factors may make this response more successful.
NCT02473042
The goal of this clinical research study is to learn if light electrical stimulation to the wrist area during surgery is feasible in women having breast surgery.
NCT06153836
This phase II trial tests the willingness of patients undergoing nipple sparing mastectomy (NSM) to enroll in a randomized study of NSM with or without neurotization of the nipple areolar complex (NAC). This trial also compares patient reported outcomes, including quality of life and breast and NAC sexual functionality, for patients undergoing NSM with or without neurotization of the NAC. NSM is a standard practice option for patients undergoing preventative mastectomy, but many report dissatisfaction with decreased nipple sensation. Neurotization is a surgical technique using a nerve graft in an attempt to restore NAC sensation. Neurotization during NSM and reconstruction may restore NAC sensation and improve quality of life in breast cancer patients.
NCT05253911
The objective of this non-interventional study (NIS) is to evaluate tucatinib (TUKYSA®) combined with trastuzumab and capecitabine in adult patients with locally advanced or metastatic HER2-positive breast cancer who have been previously treated with at least two anti-HER2 treatment regimens in a real-world setting,
NCT05786664
This study collects blood samples as well as clinical and self-report data from stage I-III breast cancer survivors to create a biorepository for future use. The creation of this biorepository will allow for future research into links between individual, molecular, and genomic signatures and cancer outcomes.
NCT04206891
Invasive lobular breast carcinoma (ILBC) represents 5-15% of all invasive BCs. The CDH1 gene (OMIM no. 192090), located on the chromosome 16q22.1, encodes for the E-cadherin protein, a key regulator of cell adhesion. Loss of E-cadherin expression is frequently detected in LBC CDH1 germline loss-of-function mutations are associated with the autosomal dominant cancer-predisposition syndrome, hereditary diffuse gastric cancer (HDGC; OMIM no. 137215). The cumulative risk of LBC for women with a CDH1 mutation is estimated to be 42% (95% CI 23% to 68%) by 80 years, when it is a component of HDGC syndrome. Recently, some authors described CDH1 germline mutations in women with in situ or ILBC with early onset (\<45 or \<50) and bilateral in situ or ILBC with no family history of HDGC. These results are opening a new scenario, suggesting that CDH1 could be a susceptibility gene for LBC in women without a family history of DGC. The first aim of this study is to investigate prevalence of CDH1 in this specific population of women with early onset (\<45 or \<50) in situ or ILBC, bilateral LBC or LBC with no family history of HDGC.
NCT07264985
Background: Pyrotinib is an effective targeted drug for HER2-positive breast cancer, but it very frequently causes diarrhea, which can be severe enough to disrupt treatment and reduce patients' quality of life. The reason why some patients develop diarrhea while others do not is not well understood. Recent research suggests that the community of bacteria in the gut (gut microbiota) may play a key role in this side effect. What is the purpose of this study? This is an observational study (Phase 1) that aims to understand the relationship between pyrotinib treatment, changes in gut bacteria, and the occurrence of diarrhea. The main goal is to compare the gut bacteria of patients who develop diarrhea while taking pyrotinib with those who do not. Researchers hope to identify specific bacteria that might protect against diarrhea, which could lead to new ways to prevent or treat this side effect in the future. What will happen in the study? Patients with HER2-positive breast cancer who are being treated with pyrotinib will be invited to participate. They will be divided into two groups: those who experience diarrhea and those who do not. Participants will provide stool samples at specific time points (e.g., 2 and 4 weeks after starting pyrotinib). They will also allow researchers to collect information from their medical records about their clinical condition and diarrhea symptoms. No experimental intervention will be administered in this phase of the study; all patients will receive standard medical care. Potential Benefits: Participants will not receive any direct benefit from this observational phase of the study. However, the information gathered may help scientists better understand pyrotinib-induced diarrhea and develop future strategies to help other breast cancer patients manage this side effect more effectively.
NCT06946238
This is a prospective, randomized, monocentric, non-inferiority interventional clinical study comparing an Accelerated Partial Breast Irradiation (APBI) for the surgical bed of early-stage breast cancer patients with favorable histological subtypes, using stereotactic radiotherapy in a single dose of 15.5 Gy with Simultaneous Integrated Boost (SIB) to 21 Gy (study treatment, delivered in a single fraction) versus multifractionated radiotherapy of 30 Gy in 5 fractions (standard treatment, delivered in 5 fractions).
NCT02688803
Triple-negative breast cancer (TNBC) is a term applied to breast cancer cases that have \<1% expression of the estrogen receptor (ER) and the progesterone receptor (PR) and do not over express HER2. TNBC is diagnosed in 15-20% of breast cancer cases and tends to occur in younger women and have biologically more aggressive high grade disease. Clinically, patients with TNBC have a poorer prognosis compared to patients diagnosed with other breast cancer subtypes. Because of the aggressive phenotype and due to observations that systemic chemotherapy offers significantly higher benefit in ER negative disease, current treatment guidelines from provincial and other organizations recommend that patients receive adjuvant systemic chemotherapy for any TNBC greater than 0.5 cm in greatest diameter or node positive independent of primary tumor size. Currently, there is no world-wide standard recommended chemotherapy regimen for the management of TNBC in the neoadjuvant/adjuvant setting, with treatments varying from region and institution. As physicians do not know what the "best" treatment for patients is, genuine uncertainty ("clinical equipoise") exists. Physicians will choose between different "standards" in their personal practice, using idiosyncratic decision making processes, without the physician or the patient knowing the optimal option. This is not good for patients, physicians and society as a whole. Determining the optimal treatment remains an important medical issue for patients, physicians and society. This study will survey opinions on a novel method to allow comparisons of established standard of care prophylactic treatment using the "integrated consent model" as part of a pragmatic clinical trial and attempt to compare head to head standard chemotherapy regimens in patients with TNBC.
NCT04967248
This was a prospective, multi-national, non-interventional study (NIS) collecting data from postmenopausal women, and adult men, with HR+, HER2- locally advanced or metastatic breast cancer whose tumor harbors a PIK3CA mutation, and who were to be treated with alpelisib in combination with fulvestrant after disease progression following endocrine therapy as monotherapy, in the real-world setting.
NCT06409390
The purpose of the study is to test a treatment strategy with currently approved drugs to see if it is practical to administer the available drugs in a new way that researchers hope could be more effective in treating metastatic breast cancer.
NCT02783690
This is a randomized controlled trial to determine the safety of 15 fraction vs 25 fraction pencil beam scanning proton radiotherapy after mastectomy in patients requiring regional nodal irradiation. Proton therapy is recognized as a standard option for the delivery of radiotherapy for breast cancer.
