View clinical trials related to Breast Cancer.
Filter by:Chemotherapy is one of the most common treatments for breast cancer, but the adverse effects can be severe enough to delay or make chemotherapy intolerable, thus affecting the efficacy of the disease. Women and younger patients are more likely to experience chemotherapy-induced nausea and vomiting (CINV) . Therefore, antiemetic drugs is a key way to reduce chemotherapy side effects, which ensures compliance, and maintain quality of life. CINV is usually induced by two pathways. The central pathway is mediated by neurokinin-1 (NK-1) receptors, where chemotherapeutic agents stimulate the secretion of substance-P (SP) from the vomiting center located in the medulla oblongata and nucleus accumbens, which binds to NK-1 receptors and induces vomiting. The peripheral pathway is mediated by 5-hydroxytryptamine 3 (5-HT3) receptors, and chemotherapy stimulates intestinal chromophores in the gastrointestinal mucosa to secrete 5-HT3, which binds to its receptors to induce vomiting. Most guidelines currently recommend the combination of 5-HT3 receptor antagonists, NK-1 receptor antagonists, and dexamethasone for high-emetogenic-risk chemotherapy regimens. Usually 5-HT3 receptor antagonists include granisetron, ondansetron, and palonosetron. Palonosetron is a second-generation 5-HT3 receptor antagonist with stronger affinity and higher efficacy than other antagonists. The commonly used NK-1 receptor antagonists are aprepitant and fosaprepitant. Fosaprepitant is an aprepitant prodrug that can be rapidly converted to aprepitant in the body, blocking the binding of substance P to NK-1 receptors for antiemetic purposes. Clinical trial has confirmed that the overall complete response (CR) rate of palonosetron 0.75 mg combined with fosaprepitant and dexamethasone was 54.9%, with 75.9% CR in the acute phase (0-24 h after chemotherapy) and 62.3% in the delayed phase (24-72 h after chemotherapy). Another clinical trial showed an acute phase CR of 89.8% and a delayed phase CR of 90.4% for oral aprepitant combined with intravenous palonosetron 0.75 mg and dexamethasone. The data suggests that both oral and intravenous administration are effective in preventing CINV, but there are no clinical trial results for oral versus intravenous administration. Oral administration is painless, has fewer side effects, and is a safer mode of administration, but bioavailability is different and drug absorption is affected by a variety of factors; whereas intravenous injection has rapid onset of action, but there are risks of injection reactions, phlebitis, and infection. Therefore, we hope to conduct a non-inferiority study on the efficacy of oral and intravenous 5-HT3 receptor antagonists combined with NK-1 receptor antagonists through this trial, which can provide more options for patients by combining the cost and administration methods.
This is an open label, phase III study evaluating the efficacy and safety of Pyrotinib in Combination With Trastuzumab and paclitaxel in patients HER2 Positive and lymph node negative invasive Breast Cancer
The treatments that aim to cure cancer in children can lead to "late effects" such as second cancers and heart disease. Screening tests can help find late effects, but most adult survivors of childhood cancer do not complete these tests. These survivors are at risk for harm that can be prevented. The investigators have developed a program called ONLOOP to remind survivors in Ontario, Canada to get the screening tests they need. ONLOOP reminds survivors who are at higher risk for heart disease, breast cancer, and/or colorectal cancer to complete their echocardiograms, mammograms and breast MRIs, and/or colonoscopies. The goal of this clinical trial is to find out how well ONLOOP helps adult survivors of childhood cancer complete their screening tests. The investigators also want to see if it could be turned into a long-term program in Ontario. Eligible survivors will be randomly assigned to either receive intervention materials or continue with usual care for 13 months before receiving intervention materials. The intervention includes usual care plus these ONLOOP materials: 1. Study invitation letter and invitation reminder 2. Those who sign up for ONLOOP will receive personalized health information and a screening reminder. Survivors will receive information about: 1. their cancer treatment 2. their risk(s) for late effects 3. the screening tests they should do 3. Participants have the option to provide their family doctor's or nurse practitioner's contact information. For those who consent, the study team will send their family doctor or nurse practitioner a letter with details about their cancer diagnosis and treatment. The letter will also remind them to talk to their patient about their health and screening test(s) needed.
The objective of this study is to evaluate the effectiveness of an online psychological care program to reduce anxiety, depression and negative psychological consequences and to increase a sense of coherence in the process of diagnostic evaluation and/or screening of mammary glands in women who attend a breast clinic. There will be an experimental group and a control group. The experimental group will receive the psychological intervention through a virtual platform and the control group will be given visual material with the information. This platform will be designed based on the principles of user experience (UX).
The use of regional anesthesia in breast surgery improves the postoperative outcome, reduces the development of infection, and weakens the perioperative immunosuppressive response associated with the response to surgical stress. The investigators hypothesize that the use of propofol / paravertebral anesthesia and analgesia will be accompanied by a decrease in serum proinflammatory cytokines and/or an increase in anti-inflammatory cytokines compared to propofol / PECS 2 anesthesia and analgesia. The research will be on 100 respondents divided into two groups. 0.5% levobupivacaine will be administered to both groups. Serum concentrations of pro- and anti-inflammatory cytokines, and lymphocyte subpopulations 1h before, 24h, and 48h after surgery will be measured. The investigators aim to compare the effect of propofol / paravertebral and propofol / PECS 2 anesthesia and analgesia on serum perioperative values of pro-inflammatory and anti-inflammatory cytokines to standardize protocols and apply the best method of perioperative analgesia in breast cancer surgery.
OBJECTIVE: To evaluate the effectiveness of a PET scan in oncological patients, with and without simultaneous treatment with chemotherapy, radiotherapy or hormonal therapy, in improving quality of life and the need for supervision by health professionals during its performance after 6 weeks of intervention. DESIGN: Randomized controlled clinical trial, parallel groups with active control group. With randomization blinding, patient assessment and data analysis. STUDY SUBJECTS: 78 patients diagnosed with breast and colon cancer and treated up to 2 years later, both with surgery, chemotherapy and hormonal treatments (aromatase inhibitors, tamoxifen). INTERVENTION: three treatment groups: supervised therapeutic exercise group without supervised therapeutic exercise group without chemotherapy, radiotherapy or hormonal treatment, supervised therapeutic exercise group with simultaneous chemotherapy, radiotherapy or hormonal treatment and control group. Two groups will be supervised in performing PET for a period of 6 weeks and the other group will do it autonomously and unsupervised. Patients will be followed for 1 year, with five blinded assessments: at baseline, after 6 weeks of intervention, 3, 6 and 12 months after baseline. MEASUREMENTS: Main: Quality of life assessed with questionnaire measured with the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire C-30 (EORTC QLQ-30). Measured pre-post intervention, 3, 6 and 12 months. Secondary: Cancer-related fatigue assessed with the Functional Assessment of scale Chronic Illness Therapy - Fatigue (FACIT-F). Measured pre-post intervention, 3, 6 and 12 months. Functional capacity measured with the 6-minute walk test. Pre-post intervention measurement, 3, 6 and 12 months. Strength assessment measured with manual hydraulic dynamometer and 5 repetitions of the sit-to-stand test. Pre-post intervention measurement, 3, 6 and 12 months.
The purpose of this study is to determine if the triplet combination of dalpiciclib, fulvestrant, and pyrotinib is safe and effective in the treatment of hormone receptor-positive, HER2-low locally advanced/metastatic breast cancer following treatment with an aromatase inhibitor plus a CDK4/6 inhibitor (palbociclib abemaciclib or ribociclib). The study will employ a Bayesian Optimal Phase II (BOP2) design which explicitly controls the type I error rate, thereby bridging the gap between Bayesian designs and frequentist designs, and has favorable operating characteristics with higher power and lower risk of incorrectly terminating the trial than some existing Bayesian phase II designs.
Randomized Study of the Clinical Efficacy and Safety of Filgrastine® in Patients with Breast Cancer Treated with Myelotoxic Chemotherapy. Primary Objective: to evaluate the activity and safety of Filgrastine® in Brazilian patients undergoing adjuvant treatment for breast cancer, with the frequency of grade 4 neutropenia in the first cycle of chemotherapy as the primary endpoint. Secondary Objectives: - Frequency of febrile neutropenia during treatment; - Frequency of neutropenia of any degree in the first cycle; - Frequency of hospitalization during treatment; - Duration of grade 4 neutropenia in the first treatment cycle; - Toxicity during treatment; - Immunogenicity throughout treatment. All endpoints will be descriptively analyzed in both groups of patients. Study design Randomized (2:1), open-label, multicenter study. Chemotherapy will be given on the first day of each cycle of treatment, for a maximum of four to eight cycles, depending on the regimen, patients whose chemotherapy treatment is prolonged beyond this period being withdrawn from the study. Patients will be evaluated through laboratory tests, including complete blood count, biochemistry and anti-filgrastim antibodies.
This study aimed to evaluate the role of serum chemerin as a biomarker of breast cancer. and To investigate the diagnostic value of hsa_circ_0001785 (Circ-ELP3) and hsa_circ_100219 (Circ-FAF1) in serum samples of breast cancer patients to find out whether these circRNAs can utilize as a diagnostic and prognostic biomarker for human breast cancer assessment and make Correlation between serum chemerin levels , serum Circ-FAF1 , serum CircELP3 and classical tumor markers (CEA + CA15-3). andTo elucidate if there is a difference between metastatic and non-metastatic cases as regard serum chemerin levels, serum Circ-FAF1 or Circ-ELP3.
Clinical trials can sometimes favor certain demographic groups. Additionally, there is limited research that delves into the factors that influence participation in clinical trials, both positive and negative. The goal is to identify the obstacles and challenges that prevent participation in Triple Negative Breast Cancer clinical trials, as well as the reasons for withdrawal or discontinuation. The insights gained from this study will ultimately benefit those with Triple Negative Breast Cancer who may be invited to participate in clinical research in the years to come.