Dataset Information

Safety and Effectiveness of Eye90 Microspheres in the Treatment of Unresectable HCC and mCRC

ABSTRACT: The purpose of this study is to evaluate the safety of treatment with Eye90 microspheres in patients with unresectable Hepatocellular Carcinoma (HCC) and metastatic Colorectal Cancer (mCRC). Both cause tumors, known as malignant hyper-vascular hepatic neoplasia, that have an abnormally large number of blood vessels attached to them. Eye90 is internal radiation brachytherapy for treatment of malignant hyper-vascular hepatic neoplasia that uses microspheres, tiny glass beads smaller in diameter than a human hair, to provide radiation. The microspheres contain Yttrium-90 (Y90) as the radiation source, which are used to to kill cancer cells and shrink tumors. The microspheres are also radiopaque, which means that they can be seen during imaging procedures. The visibility of the microspheres allows the study doctor to confirm the microspheres have been delivered in the tumor; this may help to improve the outcome of treatment.

DISEASE(S): Metastatic Colorectal Cancer,Carcinoma,Hepatocellular Carcinoma Non-resectable,Colorectal Neoplasms,Liver Cancer,Carcinoma, Hepatocellular,Liver Diseases,Liver Neoplasms,Hepatocellular Carcinoma

PROVIDER: 2380570 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Project description:A reliable suspension-based platform for scaling engineered cardiac tissue (ECT) production from human induced pluripotent stem cells (hiPSCs) is crucial for regenerative therapies. Here, we compared the production and functionality of ECTs formed using our scaffold-based, engineered tissue microsphere differentiation approach with those formed using the prevalent scaffold-free aggregate platform. We utilized a microfluidic system for the rapid (1 million cells/min), high density (30, 40, 60 million cells/ml) encapsulation of hiPSCs within PEG-fibrinogen hydrogel microspheres. HiPSC laden-microspheres and aggregates underwent suspension-based cardiac differentiation in chemically defined media. In comparison to aggregates, microspheres maintained consistent size and shape initially, over time, and within and between batches. Initial size and shape coefficients of variation for microspheres were eight and three times lower, respectively, compared to aggregates. On day 10, microsphere cardiomyocyte (CM) content was 27% higher and the number of CMs per initial hiPSC was 250% higher than for aggregates. Contraction and relaxation velocities of microspheres were four and nine times higher than those of aggregates, respectively. Microsphere contractile functionality also improved with culture time, whereas aggregate functionality remained unchanged. Additionally, microspheres displayed improved β-adrenergic signaling responsiveness and uniform calcium transient propagation. Transcriptomic analysis revealed that while both microspheres and aggregates demonstrated similar gene regulation patterns associated with cardiomyocyte differentiation, heart development, cardiac muscle contraction, and sarcomere organization, the microspheres exhibited more pronounced transcriptional changes over time. Taken together, these results highlight the capability of the microsphere platform for scaling up biomanufacturing of ECTs in a suspension-based culture platform.

Dataset Information

Safety and Effectiveness of Eye90 Microspheres in the Treatment of Unresectable HCC and mCRC

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