ArticlePharmacological research2024
Ex vivo fluorescence-guided resection margin assessment in breast cancer surgery using a topically applied, cathepsin-activatable imaging agent.
Article in Pharmacological research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.
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Who cites it
5 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Diagnostic accuracy and surgical outcomes of fluorescence-guided surgery in breast cancer: a systematic review and meta-analysis.World journal of surgical oncology · 2026Pooled it
- Rapid Ex Vivo Visualization of Laryngeal Tumors Using a Sprayable pH-Activatable Fluorophore.Molecular diagnosis & therapy · 2026Article
- CEA-targeted fluorescence endoscopy for the detection of high-grade dysplasia and early invasive rectal cancer: A proof-of-concept trial.European journal of nuclear medicine and molecular imaging · 2026Article
- Advanced imaging techniques for tumor intraoperative navigation imaging.Npj imaging · 2026Review
- Article
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Authors and funding
24 authors.
Funding
Abstract
Up to 40 % of breast cancer patients have a tumor-positive resection margin (TPRM) - defined as cancer cells at the surface of the resected specimen - after breast-conserving surgery (BCS), necessitating re-resection or boost radiation. To prevent these additional treatments, intraoperative near-infrared (NIR) fluorescence imaging with the topically applied, cathepsin-activatable imaging agent AKRO-6qcICG might be used to detect TPRMs and guide additional resection. Here, to validate its performance, the agent is topically applied to all surfaces of freshly resected breast cancer specimens (n = 11 patients) and to 3-5 mm thick tissue slices of the specimens (n = 26 patients). NIR fluorescence images of the resection surfaces and tissue slices are acquired and correlated to final histopathology. AKRO-6qcICG detects TPRMs with a sensitivity, specificity, PVV, and NPV of 100 %, 67 %, 10 %, and 100 %, respectively. On the tissue slices, the fluorescence signal has a median tumor-to-background ratio of 1.8. These findings indicate that topically applied AKRO-6qcICG can visualize TPRMs ex vivo with a high sensitivity and NPV, with sufficient contrast to adjacent healthy breast tissue.
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