Current research status and development prospects of embolic microspheres containing biological macromolecules and others

Gao, Fengyuan; Rafiq, Muhammad; Cong, Hailin; Yu, Bing; Shen, Youqing

doi:10.1016/j.ijbiomac.2024.131494

International Journal of Biological Macromolecules

2024

DOI: 10.1016/j.ijbiomac.2024.131494

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Current research status and development prospects of embolic microspheres containing biological macromolecules and others

Fengyuan Gao,

Muhammad Rafiq,

Hailin Cong

et al.

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2024

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Cited by 3 publications

References 131 publications

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Current status and future developments of biopolymer microspheres in the field of pharmaceutical preparation

Wu,

Wang

et al. 2024

Advances in Colloid and Interface Science

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Current status and future developments of biopolymer microspheres in the field of pharmaceutical preparation

Wu,

Wang

et al. 2024

Advances in Colloid and Interface Science

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Gemcitabine-Loaded Microbeads for Transarterial Chemoembolization of Rabbit Renal Tumor Monitored by 18F-FDG Positron Emission Tomography/X-Ray Computed Tomography Imaging

Zhang,

Li,

Tong

et al. 2024

Pharmaceutics

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Background/Objectives: The purpose of this study was to develop the gemcitabine-loaded drug-eluting beads (G-DEBs) for transarterial chemoembolization (TACE) in rabbit renal tumors and to evaluate their antitumor effect using 2-deoxy-2-[(18)F]fluoro-D-glucose positron emission tomography/X-ray computed tomography (18F-FDG PET/CT). Methods: DEBs were prepared by polyvinyl alcohol-based macromer crosslinked with N-acryl tyrosine and N,N′-methylenebis(acrylamide). Gemcitabine was loaded through ion change to obtain G-DEBs. Their particle size and drug release profile were characterized. VX2 tumors were implanted in the right kidney of rabbits to establish the renal tumor model. The tumor-bearing rabbits received pre-scan by 18F-FDG PET/CT, followed by targeted transarterial injection of G-DEBs under digital subtraction angiography (DSA) guidance. The rabbits received another 18F-FDG PET/CT scan 10 or 14 days after the treatment. The therapeutic effect was further validated by histopathological analysis of the dissected tumors. Results: The average particle size of the microspheres was 58.06 ± 0.50 µm, and the polydisperse index was 0.26 ± 0.002. The maximum loading rate of G-DEBs was 18.09 ± 0.35%, with almost 100% encapsulation efficiency. Within 24 h, GEM was eluted from G-DEBs rapidly and completely, and more than 20% was released in different media. DSA illustrated that G-DEBs were delivered to rabbit renal tumors. Compared with the untreated control group with increased tumor volume and intense 18F -FDG uptake, the G-DEBs group showed significant reductions in tumor volume and maximum standard uptake value (SUVmax) 10 or 14 days after the treatment. Histopathological analysis confirmed that the proliferating area of tumor cells was significantly reduced in the G-DEBs group. Conclusions: Our results demonstrated that G-DEBs are effective in TACE treatment of rabbit VX2 renal tumors, and 18F-FDG PET/CT provides a non-invasive imaging modality to monitor the antitumor effects of TACE in renal tumors.

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Efficacy and safety of transhepatic arterial chemoembolization with drug-loaded microspheres in unresectable primary liver cancer

Deng,

Mi,

Xie

et al. 2024

World J Gastrointest Oncol

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BACKGROUND Transhepatic arterial chemoembolization (TACE), as a local treatment, has been widely used in the treatment of unresectable liver cancer. The introduction of drug carrier microspheres has brought new hope for the therapeutic effect of TACE. Microspheres can realize the slow release and directional delivery of drugs, reduce systemic toxicity and improve local curative effect. AIM To compare the effectiveness of traditional transcatheter arterial chemoembolization against microsphere-assisted transcatheter arterial chemoembolization in the treatment of hepatocellular carcinoma that is incurable. METHODS We searched the PubMed, Embase, Cochrane Library, and CNKI databases for clinical trials of drug-luting beads TACE (DEB-TACE) vs conventional TACE (cTACE) for the treatment of unresectable liver cancer. We screened references based on inclusion and exclusion criteria and then selected valid data for meta-analysis using RevMan 53 software. The complete response (CR) rate, partial response (PR) rate, postoperative stable disease (SD) rate, and 6-month and 12-month survival rates were compared. RESULTS A total of 12 articles were included, including 1177 patients, 519 of whom received DEB-TACE and 658 of whom received cTACE. The CR rate in the DEB-TACE group was much greater than that in the cTACE group [relative risk (RR) = 1.42, 95%CI: 1.18–1.72, P = 0.0002]. The 12-month survival rate significantly increased (RR = 1.09; 95%CI: 1.01- 1.17, P = 0.03); the PR rate (RR = 1.13; 95%CI: 0.97-1.30, P = 0.12); the SD rate (RR = 0.82; 95%CI: 0.64-1.05, P = 0.12); and the 6-month survival rate (RR = 1.05; 95%CI: 1.00-1.10, P = 0.07). There was no significant difference (P < 0.05). CONCLUSION Compared with those of iodized oil TACE, the drug-loaded microspheres tended to have therapeutic advantages.

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Current research status and development prospects of embolic microspheres containing biological macromolecules and others

Cited by 3 publications

References 131 publications

Current status and future developments of biopolymer microspheres in the field of pharmaceutical preparation

Current status and future developments of biopolymer microspheres in the field of pharmaceutical preparation

Gemcitabine-Loaded Microbeads for Transarterial Chemoembolization of Rabbit Renal Tumor Monitored by 18F-FDG Positron Emission Tomography/X-Ray Computed Tomography Imaging

Efficacy and safety of transhepatic arterial chemoembolization with drug-loaded microspheres in unresectable primary liver cancer

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