The lasting impact of single-use assemblies

Single-use assemblies (SUAs) are now a standard element of biopharmaceutical facility design.

In 2026, their role extends beyond reducing cleaning validation burden and enabling faster changeovers, with increased focus on contamination control and material characterization, alongside greater scrutiny of supplier assurance and sustainability. As modalities become more complex, how SUAs are chosen and implemented reflects a partner’s process understanding.

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Introducing April’s sector expert

Craig Jones, Scientific Content Writer

As a Scientific Content Writer at ramarketing, Craig creates clear, engaging, and technically accurate content for life sciences clients, with a focus on small molecules. He brings a strong blend of laboratory and agency experience, having previously worked as a chemist at Alcereco Inc. on lithium extraction and advanced materials, before moving into technical writing at Kenna. 

Craig’s ability to translate complex science into accessible narratives, combined with his analytical mindset and attention to detail, enables him to deliver content that resonates with diverse audiences while maintaining scientific rigour.

Why single-use assemblies are often used

The driving force behind single-use technology is the need for process integrity and operational speed. These assemblies facilitate closed processing environments that significantly mitigate the risk of cross-contamination in multi-product facilities. This is particularly vital for the production of advanced therapies and biologics, where batch sizes are often smaller and more specialized. Essentially, by removing the need for complex steam-in-place and clean-in-place cycles, manufacturers can process more batches in less time with less risk.

The elimination of these traditional cleaning bottlenecks is now being coupled with advanced modelling to refine the manufacturing process further. Digital design allows for the creation of assemblies with optimized fluid dynamics that https://www.pharmtech.com/view/computational-fluid-dynamics-in-upstream-biopharma-manufacturing-processes. This level of precision ensures that the assembly’s physical configuration is aligned with the specific requirements of the therapeutic program.

The polymer paper trail

The transition from stainless steel to polymeric systems has shifted the burden of proof from cleaning validation to the rigor of material data. As regulatory expectations evolve, there is a heightened focus on the interaction between plastic components and the drug product. The implementation of USP <665> has standardized the assessment of polymeric components used in bioprocessing, requiring a more exacting approach to characterization. 

To ensure patient safety remains uncompromised, manufacturers must now navigate comprehensive data packages that detail:

• Extractables and leachables (E&L) profiles: Detailed chemical migration studies specific to the drug’s formulation.
• Material of construction (MoC) documentation: Verified origins and chemical compositions of every sub-component.
• USP <665> compliance data: Standardized risk assessments for the chemical safety of the bioprocessing system.

Effective risk assessment depends on a thorough understanding of polymer chemistry. Organizations that maintain comprehensive, USP-aligned supplier dossiers and proactive qualification protocols can significantly de-risk their regulatory submissions. This movement towards greater transparency is standardizing how assemblies are specified and documented across the lifecycle of a drug.

Can single-use truly be sustainable?

The environmental impact of single-use technology is a subject of significant innovation as the industry seeks to align bioprocessing with corporate sustainability goals. 

Evaluating the green credentials of these systems requires an analysis of resource trade-offs rather than a simple label of “sustainability.” While the use of SUAs increases the volume of solid plastic waste, life cycle assessments (LCAs) demonstrate that substantial reductions in other environmental categories often offset this, such as:

• Water consumption: Significant reduction in the demand for high-purity water systems, as there are no tanks or pipes to rinse.
• Energy usage: Elimination of energy-intensive steam generation required for traditional sterilization cycles.
• Chemical burden: Removal of detergents and hazardous cleaning agents from the facility waste stream.

Forward-thinking organizations are now integrating sustainable materials and strategies to keep resources in use for longer into their assembly designs. This includes exploring the possibility of bio-based polymers and developing more efficient recycling programs for contaminated plastics. By prioritizing environmental responsibility, companies can meet the growing expectations of stakeholders who desire greener manufacturing solutions.

Single-use strategies defining long-term partnerships

A contract manufacturer’s approach to single-use integration now serves as a benchmark for their overall manufacturing competence. Sponsors are increasingly looking beyond capacity and are seeking partners who offer technical judgement. CDMOs that favor custom-engineered assemblies over off-the-shelf components provide the necessary bridge between early-stage clinical development and large-scale commercial success through purposeful, program-specific design.

By explaining how a specific single-use strategy supports product quality and patient safety, these organizations can establish themselves as key collaborators. In this competitive manufacturing environment, the ability to articulate the technical rationale behind an assembly configuration can be as important as the manufacturing equipment itself.

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