Special Reports

Improving Scalability of AAV and Lentivirus Production: Tailored Transfection Reagents Enable Large-Scale Manufacturing

Scientific advances have increased the safety and efficacy of recombinant viral-vector technology for cell and gene therapies. In this special report, we will discuss how tailored transfection reagents improve the scalability of AAV and lentivirus production. We will also focus on the challenges of scaling up viral vector production platforms and the importance of selecting the right transfection reagent for this process to increase the titer and quality of viral production to generate more therapeutic doses per run. Fill out…

Ensuring Single-use Systems Integrity in Aseptic or Closed-Process Applications

Due to their numerous benefits, single-use systems (SUS) have been increasingly implemented in biopharmaceutical processes in the past decades. Originally used in applications for the preparation and storage of buffer and media, SUS have become more and more important in the commercial production of biopharmaceuticals. Today, biopharmaceutical manufacturers use this technology in critical drug substance or drug product process steps such as formulation, bulk storage, bulk transport, and final filling of drug product. By using single-use technologies, manufacturers can reduce…

Purity by Design

After launching Nereus LentiHERO, a game changing fit-for-purpose solution for lentiviral vector purification in 2022, Astrea Bioseparations present this end of year report with a selection of interviews, application notes, and articles. Identifying the gaps in lentiviral purification, they discuss how to increase processing efficiency, purity, and recovery of LVV particles. They also look towards the future to bring a radical change in bioprocessing for cell and gene therapies. The Nereus LentiHERO spin column is the first product in a…

Optimizing Process Economics Across Modalities

Today’s drug manufacturers are faced with the need to find efficiencies across a wider range of modalities than ever before, even as gaps in technology still exist. The economics of the process includes cost and time and must also consider quality and reproducibility. Working with suppliers that understand the full scope of drug development and commercialization challenges, and provide reliable, scalable solutions tailored to each unique process is critical to success. In this special report, the team from Polyplus reintroduces…

DNA to IND in 13 Months: A CMC Strategy for Bispecifics

Multichain protein biotherapeutics such as bispecific molecules have been developed to treat cancer, neurological and ophthalmic disorders, and autoimmune and inflammatory diseases. Early successes now are driving greater numbers of such molecules toward clinical evaluation and commercial approval. However, the complexity of bispecific development and manufacture calls for innovative tools and technologies to facilitate the clinical journeys of such products and prevent costly setbacks for their sponsors. In its commitment to fostering novel biomolecular formats, Lonza has designed a chemistry,…

High-Selectivity HPLC mRNA Analytics: Quantification and Characterization

Robust and precise chromatographic analytical methods are key for the efficient development of the mRNA production process. Three different analytical methods, which utilize three different column chemistries, are embedded in a ready-to-use PATfix™ HPLC analytical platform to support mRNA process development and product quantification and characterization. Fill out the form below to download the full report from BIA Separations, now a Sartorius Company.  

Host Cell Protein Analysis: Immunoassays and Orthogonal Characterization By Antibody Affinity Extraction and Mass Spectrometry Methods

Reduction of Host Cell Proteins (HCPs) to the lowest levels practical requires sensitive and robust analytical methods. In this Special Report, Cygnus Technologies discusses industry best practices for HCP analysis and integration of orthogonal methods for in-depth HCP characterization using Antibody Affinity Extraction (AAE) and Mass Spectrometry (MS). Download the report to learn about: Antibody Affinity Extraction for HCP antibody coverage analysis to ensure HCP ELISA is broadly reactive and fit for purpose of process monitoring and product lot release…

Optimizing Bulk Drug Substance Storage and Shipment: Key Considerations for Rigid Container Design

When choosing a container for critical drug substances, the material of construction should be your first consideration. It is arguably the most important indicator of container success. Fluoropolymer containers such as Purillex bottles are an excellent choice for BDS storage, freezing, and shipment because of their proven physical and performance advantages. This special report outlines robustness testing of fluoropolymer BDS containers focusing on extractables and leachables, container–closure integrity, durability, gas permeability, and performance during freezing and thawing. Fill out the…

Concentration and Purification of Infectious Viruses

Throughout evolution, viruses have developed mechanisms to interact with and manipulate the genetic material of their target cells. As a result, modern virology uses a growing number of applications to understand these agents of disease. Such applications range from transfection of cells for genetic manipulation to medical studies with a strategic focus on developing novel vaccines, treatments, and gene therapies. Assessment of virus type and content is also important for ensuring food and drinking water safety as well as for…

Small Samples, Big Discoveries: Characterizing AAV Aggregates at Low Volumes and Identifying Their Root Causes

Gene therapies that use AAVs have shown great promise, but can be unstable due to their fragile composite DNA/protein nature, which presents an analytical challenge when determining root cause of subvisible particle (SVP) formation and product instability. Understanding how these proteins interact with leaked payloads will allow better insight into avoiding aggregate buildup. Yet, this has been difficult, hampered by legacy systems that cannot conduct low volume SVP analysis or interrogate for DNA content. That’s about to change. In one…