Fifteenth In Vivo Lentiviral Vector-Based Therapeutic Technology Added to VIVEbiotech’s CGT Platform

Spain-based CDMO VIVEbiotech added its 15^th in vivo lentiviral vector-based therapeutic program using its platform. These programs, several of which have already received regulatory clearance for clinical trials, including from the FDA, span a range of applications such as in vivo CAR T, rare diseases, gene editing, and vaccines, according to the company.

Growing interest in in vivo cell and gene therapies is driving significant investment, given their potential to address some of the manufacturing and commercialization challenges associated with current ex vivo approaches. However, the direct administration of lentiviral vectors imposes significantly more stringent requirements on the quality attributes of the final product, notes Jon Alberdi, CEO of VIVEbiotech. Accordingly, process control must be optimized to improve both yield and purity. As manufacturing becomes increasingly complex, the scope of analytical characterization is also expanding.

“In vivo lentiviral vectors have the potential to transform treatment paradigms through faster administration and direct therapeutic delivery,” says Alberdi. “However, these advantages come with more stringent manufacturing requirements—from achieving the required purity profile to ensuring consistent performance at scale.”

“As interest in in vivo delivery continues to grow, we are witnessing a fundamental shift in how gene therapies are developed and brought to patients,” adds Marie Fertin, chief custom solution and process development officer at VIVEbiotech. “Our continued investment in capabilities reflects both our confidence in this field and our commitment to enabling our partners.”

The company’s platform has been specifically designed to preserve lentiviral vector integrity throughout the manufacturing process by minimizing shear stress and maintaining cell health, thereby ensuring high vector functionality, continues Fertin. By integrating process intensification strategies with optimized transfection conditions, reduced reagent usage, and improved productivity, the upstream setup contributes to enhanced yields and a significant reduction in cost of goods, she maintains.

Beyond manufacturing, VIVEbiotech reports that it has developed a fully customized analytical framework tailored to in vivo lentiviral vectors, specializing in advanced vector characterization, including potency assay development. A full testing panel is proposed following regulatory feedback received for direct in vivo administration.

A company spokesperson points out that VIVEbiotech also supports large-scale manufacturing of in vivo programs. With more than 3,000 sqm of GMP facilities and seven cleanrooms, VIVEbiotech says it works to ensure timely delivery across development stages. An ongoing expansion plan will further increase manufacturing capacity by 2028, supporting the growing demand for in vivo therapies.

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