ArticleScientific reports2024
Ultrasound and x-ray imageable poloxamer-based hydrogel for loco-regional therapy delivery in the liver.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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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.
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Who cites it
5 citing papers in PubMed.
- Advancements in Ultrasound Gel Pad Technologies: Enhancing Diagnostic Precision, Procedural Efficiency, and Therapeutic Applications.Gels (Basel, Switzerland) · 2026Review
- Developing a Clinically Practical Biomaterial Platform for Endogenous Liver Regeneration.Gels (Basel, Switzerland) · 2026Review
- Hydrogel-based tumor embolization and synergistic therapeutic strategies.Bioactive materials · 2026Review
- Bio-Polymers Based Functionalized Hydrogel Carriers for Targeted Oncology Therapies: Current Progress and Future Perspectives.International journal of nanomedicine · 2026Review
- Evaluating the echogenicity of ethyl cellulose-ethanol gel for tracking biodistribution during liver ablation.Scientific reports · 2025Article
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16 authors.
Funding
Abstract
Intratumoral injections have the potential for enhanced cancer treatment efficacy while reducing costs and systemic exposure. However, intratumoral drug injections can result in substantial off-target leakage and are invisible under standard imaging modalities like ultrasound (US) and x-ray. A thermosensitive poloxamer-based gel for drug delivery was developed that is visible using x-ray imaging (computed tomography (CT), cone beam CT, fluoroscopy), as well as using US by means of integrating perfluorobutane-filled microbubbles (MBs). MBs content was optimized using tissue mimicking phantoms and ex vivo bovine livers. Gel formulations less than 1% MBs provided gel depositions that were clearly identifiable on US and distinguishable from tissue background and with minimal acoustic artifacts. The cross-sectional areas of gel depositions obtained with US and CT imaging were similar in studies using ex vivo bovine liver and postmortem in situ swine liver. The gel formulation enhanced multimodal image-guided navigation, enabling fusion of ultrasound and x-ray/CT imaging, which may enhance targeting, definition of spatial delivery, and overlap of tumor and gel. Although speculative, such a paradigm for intratumoral drug delivery might streamline clinical workflows, reduce radiation exposure by reliance on US, and boost the precision and accuracy of drug delivery targeting during procedures. Imageable gels may also provide enhanced temporal and spatial control of intratumoral conformal drug delivery.
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