Merck

Viral Vector Upstream Platforms

The VirusExpress™ Lentiviral Production Platform features a suspension adapted cell line, chemically defined medium, and production process with proven performance

Figure 1.The VirusExpress® Production Platform features a suspension adapted cell line, chemically defined medium, and production process with proven performance.

The VirusExpress® Production Platform offers a transfection-based solution to lentivirus (LV) or adeno-associated virus (AAV) production challenges, featuring a suspension adapted cell line, chemically defined medium, and production process with proven performance at up to 50 L scale.

With a platform that can dramatically reduce the time in process development and scale-up, whether performed in your facilities or leveraging our gene therapy CDMO capabilities, you can draw on our experience to speed your gene therapy to patients.



Key Advantages Include

  • GMP banked and fully characterized cell bank manufactured in accordance with 21 CFR 210, 211, 600, 610
  • Proven performance for cell growth, plasmid transfection, and production in large-scale bioreactors at clinically and commercially relevant scale
  • Licenses available for research or clinical/commercial use
  • Reduction of up to 40% in process development and scale-up time

The VirusExpress® Production Platforms Include

VirusExpress® 293T Lentiviral Production Cells or VirusExpress® 293 AAV Production Cells

  • Cells banked and characterized in conformance with FDA cGMP regulations (21 CFR 201, 211, 600, 610)
  • Suspension-adapted cells
  • Cells optimized for transient transfection processes

EX-CELL® CD HEK293 Viral Vector Medium

  • Chemically-defined, animal component-free, cGMP manufactured cell culture medium

Proven Process

  • Upstream production and downstream purification processes developed at clinically relevant scale

Virusexpress® Lentivirus Production Platform Performance

For performance data on VirusExpress® 293 AAV Production Platform, click here.

Cell Growth and Viability  Cell viability (dashed lined) and cell growth data (solid lines)

Cell Growth and Viability

Cell viability (dashed lined) and cell growth data (solid lines)

Titer values of three unique bioreactor runs  Each run exceeded a target functional titer of 10000000 TU/mLand demonstrated successful scale-up to 40 L

Titer values of three unique bioreactor runs

Each run exceeded a target functional titer of 1 x 107 TU/mL and demonstrated successful scale-up to 40 L


VirusExpress® Production Platform Specifications