ArticleJournal of medicinal chemistry2025
A Comparative Study on the Effect of Near-Infrared Fluorescent Dyes on the Pharmacokinetic Behavior of Nanobody-Based Tracers for In Vivo Imaging.
Article in Journal of medicinal chemistry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
4 citing papers in PubMed.
- More Than a Glow: How Cyanine Dyes Shape Tracer Pharmacokinetics.Angewandte Chemie (International ed. in English) · 2026Review
- Whole-body tomographic fluorescence lifetime imaging of PD-L1 expression.Research square · 2026Article
- Review: structural determinants of organic dyes for controlling biological clearance pathways.Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology · 2026Review
- In vivo Fluorescent Molecular Imaging Using Nanobodies Labeled with Next-Generation FNIR-Tag-Dyes.Research square · 2026Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
12 authors.
Funding
Abstract
Near-infrared fluorescent molecular imaging is increasingly being used as a tool to guide intraoperative decision-making. While research into novel fluorescent molecular tracers often prioritizes the targeting moiety, compelling evidence indicates that the choice of fluorophore can substantially influence tracer pharmacokinetics. In this study, tumor-specific Nanobodies were conjugated with four widely used dyes─IRDye800CW, ZW800-1, FNIR-Tag, and s775z-, and a side-by-side comparison of their in vivo biodistribution and tumor targeting was performed. Nanobodies labeled with FNIR-Tag or s775z showed markedly superior results compared to those labeled with IRDye800CW or ZW800-1, demonstrating strong tumor accumulation as early as 1 h postinjection and minimal background signal, particularly in the liver. The effect of increasing dye density on tracer pharmacokinetics was also assessed. Compared with Nbs labeled with a DOL of 1, those with an average of 2 dyes exhibited higher mean fluorescent tumor signals but no improvement in tumor-to-background ratios, owing to increased background signals.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.