Evaluation of the Efficacy and Safety of Using Platelet-rich Fibrin (PRF)-Based Lipobolus for the Immediate Reconstruction of Defects After Breast-conserving Resection for Breast Cancer (Minimally Invasive Primary Immediate Grafting)
The Leningrad Regional Clinical Hospital
30 participants
Nov 13, 2025
INTERVENTIONAL
Conditions
Summary
The goal of this clinical trial is to learn if a special type of fat graft, made by mixing a person's own fat with platelet-rich fibrin (PRF), works to fix breast shape defects after cancer surgery. PRF is a substance made from a person's own blood that is rich in growth factors, which may help the graft survive better. The main questions it aims to answer are: What percentage of the fat graft's volume remains in place 3 months after radiation therapy? What is the safety of this procedure, including its side effects and any impact on cancer returning? Participants will: * Undergo standard breast-conserving surgery to remove the tumor * Have liposuction (fat removal) from their own belly or thighs * Receive a "lipobolus" (their own fat mixed with PRF) placed into the breast defect during the same surgery * Follow up for 12 months with ultrasound scans, physical exams, and questionnaires (BREASTQ) about their satisfaction and quality of life
Eligibility
Plain Language Summary
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Interventions
The intervention is a single surgical procedure using a "lipobolus" - a modified fat graft made from the participant's own tissues to restore breast shape after cancer surgery. How it is prepared during surgery: About 200 mL of fat is harvested from the participant's belly using liposuction. Separately, 60 mL of blood is drawn and spun in a centrifuge to obtain platelet-rich plasma (PRP). The fat, PRP, and calcium chloride are mixed. Calcium chloride activates the PRP, forming a thick, gel-like fibrin scaffold that traps the fat fragments into a single, stable block. How it is used: The lipobolus is placed directly into the cavity left after breast-conserving cancer surgery. This allows for immediate volume restoration in one operation. What makes it different: Standard fat grafting uses fat alone and often requires 2-3 procedures due to unpredictable abs
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NCT07658170