Therapeutic mRNA Production Services from Sequence to IND

Drug Substance

Our GMP services include a manufacturing facility with up to 300 L scale fermenter for plasmid DNA production and various volume vessels and purification equipment for mRNA transcription and purification.

For Sequence to Cell Bank

mRNA DS suite #1

Sequence synthesis

Sequence synthesis in 2-4 weeks; codon optimization

Vector construction

A matrix of vector backbones with different UTRs, polyA, restriction sites, etc.

Strain & clone screening

E. coli strain and clone screening for stable and high production of plasmid DNA

Bacterial cell banking

PD & GMP cell banking; cell bank release and testing

WuXi Biologics provides a matrix of vector backbones with different designs of promoters, UTRs, polyA, restriction sites, etc.

mRNA DS suite #2

mRNA Production Process

pDNA linearization

• Selection of restriction enzyme • Optimization of reagent concentration and reaction condition to ensure complete linearization

GMP plasmid DNA intermediate production • State-of-the-art GMP suites • Multiple single-use fermenters up to 300 L • Platform process with high yield

Purification of linearized pDNA

in vitro transcription

• With or without cap analogs • Optimization of reagent concentration and reaction conditions to achieve high yield of mRNA & complete digestion of pDNA template

GMP drug substance

mRNA recovery*

• One suite of pDNA linearization • One suite of mRNA synthesis • One purification suite for mRNA, with extensive utilization of advanced single use technology

Enzymatic capping*

• Optimization of reagent concentration and reaction conditions to achieve high capping efficiency and minimize enzyme cost

mRNA purification

*Not required for co-transciptional capping

Drug Product

Drug Product Manufacturing

Our DP offerings include state-of-the-art mRNA-LNP production systems as well as robotic aseptic filling systems.

• Two segregated Vanrx SA25 Robotic filling lines • Microfluidic and T-junction encapsulation processes • Aseptic formulation isolator • Single-use systems • Ready-to-use container-closure systems (vials and pre-filled syringes)

Drug Product Development

• Microfluidic and T-Junction mixing technologies • Formulation development, process development and technology transfer • Lyophilization cycle development • Stability, stress study, CCIT, clinical in-use study • 25 µL to 10 L scale (feasibility / pilot) • Extensive mRNA-LNP DP characterization techniques: particle size, PDI, encapsulation rate, potency, etc.

From sequence to LNP for all mRNA programs

Flexible dosage forms: liquid and frozen vials, freeze-dried vials and pre-filled syringes

Microfluidic Mixing Technology

Impingement Jets Mixing Technology

0.6 m 2 freeze-dryer equipped with AI software and nucleation control technology

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