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This study evaluates the efficacy and feasibility of Carbon Nanoparticle Suspension Injection (CNSI) for Targeted Axillary Dissection (TAD) in breast cancer patients undergoing neoadjuvant chemotherapy (NAC), compared to traditional clip-based methods. By leveraging CNSI's enhanced visibility and stability, the study aims to improve the precision of lymph node removal, reduce surgical complications, and potentially transform clinical practices. Conducted across multiple centers, this randomized controlled trial focuses on clinical outcomes such as lymph node retrieval rates and the accuracy of surgical staging, aiming to establish a safer, more effective approach to managing axillary lymph nodes in breast cancer surgery.
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Objective: This study aims to assess the clinical feasibility, accuracy, and effectiveness of CNSI in targeted axillary dissection compared to traditional tissue marker clips in patients with breast cancer undergoing neoadjuvant chemotherapy (NAC).
Background: Breast cancer remains one of the most prevalent cancers among women globally. Neoadjuvant chemotherapy (NAC) has significantly advanced the management of locally advanced breast cancer, enabling more conservative surgical approaches and reducing the dependency on axillary lymph node dissection (ALND), which is often associated with long-term complications such as lymphedema and chronic pain. Traditional TAD methods using tissue marker clips have challenges including high costs and potential for marker loss. CNSI presents a novel approach with potential for enhanced surgical precision and reduced complication rates.
Methods: The study employs a multicenter, randomized controlled trial design to compare the outcomes of TAD using CNSI versus conventional clip-based methods. Patients with clinically node-positive breast cancer who achieve clinical node-negative status post-NAC are enrolled. The primary endpoints include the rate of successful lymph node retrieval, the incidence of surgical complications, and the accuracy of lymph node staging.
Innovation: CNSI is designed to improve the visibility and stability of lymph nodes during surgery, potentially increasing the precision of cancerous node removal and minimizing the need for subsequent surgical interventions. Its unique properties, such as the slow metabolic rate and strong pigmentation, ensure prolonged visibility and facilitate easier identification during surgery.
Significance: By enhancing the effectiveness of TAD, CNSI could transform clinical practices in breast cancer surgery, reducing the physical burden of surgery and improving the quality of life for patients. The study's findings could lead to broader adoption of CNSI in surgical oncology, setting a new standard for axillary management in breast cancer.
Conclusion: This research could significantly impact breast cancer treatment protocols by providing a safer, more cost-effective, and clinically advantageous method for axillary lymph node management, potentially leading to widespread changes in surgical approaches and patient outcomes.
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126 participants in 3 patient groups
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Lu Wang, Dr
Data sourced from clinicaltrials.gov
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