2014 Manufacturing Trends and Outlook - Single-use systems and other technologies drive process efficiencies, but there is room for improvement. - BioPharm International


2014 Manufacturing Trends and Outlook
Single-use systems and other technologies drive process efficiencies, but there is room for improvement.

BioPharm International
Volume 27, Issue 1, pp. 24-26
Photo Credit: 4X-image/Getty Images

In a recent survey of current trends and practices in biopharmaceutical manufacturing, BioPharm International readers revealed a preference for disposable systems, identified challenges for different therapies, and suggested technology enhancements to improve process efficiencies (1).

Survey respondents represented research, development, formulation, and process development functions, as well as quality control/assurance, validation, and laboratory management titles at branded and generic-drug companies in the United States, Europe, and Asia. More than half of the respondents work for organizations that produce both small- and large-molecule drugs; 25% added a biopharmaceutical-manufacturing program in the past year.

The responses indicate some signs of manufacturing growth. More than half of all respondents said their companies increased biomanufacturing capacity in 2013. Less than 3% reported a drop in production. Only 8.1% said their companies decreased spending for biopharmaceutical equipment and services in 2013 compared to 2012; 37.8% reported increased spending; spending was flat for 33.8% of respondents. Nearly 40% expect spending to increase in 2014 compared to 2013; only 5.4% expect a decrease.

The top reasons for increased capacity were the addition of new products and increased production of existing products. More than 40% of respondents said that internal development of new products spurred the need for additional capacity. About 20% said capacity was added due to the acquisition of another company or in-licensing of a drug product

Almost 45% of the respondents reported that their organizations manufacture therapeutic monoclonal antibodies (mAbs); more than 55% of those surveyed said they manufacture protein-based drugs other than mAbs. More than 40% of the respondents said their companies manufacture vaccines; 17.7% develop cells for tissue and/or cell therapies; 10.4% manufacture nucleic-acid based drugs.


Disposable Applications in Demand by Biopharma

Trends in Downstream Bioprocessing

QbD and PAT in Upstream and Downstream Processing

Challenges: Protein-based drugs. Facilities that manufacture protein-based drugs reported use of multiple purification technologies. Ion-exchange chromatography was the most frequently reported (71.6%) followed by chromatography with other resins (62.7%), chromatography with Protein A (56.7%), and membrane-based filters (53.7%).

Protein stability led the list of reported technical challenges, cited by 53.7% of the respondents. Producing sufficiently high product yields was a close second at 52.2%; purifying high product yields was the third most frequently cited at 49.3%. Protein aggregates, formulation issues, creating/cloning cell lines, regulatory issues, and analytics were mentioned by more than 25% of the respondents (see Table I).

Nucleic-acid based drugs. Although they represented a smaller subset of the respondents, those that manufacture nucleic-acid based drugs reported multiple manufacturing challenges. Purification (reported by 45.5%), stability (36.4%), drug delivery (31.8%), and scale up (27.3%) led the list (see Table I).

Cells for tissue or cell-based therapies. Process development for cells for tissue- or cell-based therapies created technical challenges for half of the respondents. Scale up (35.7%), cell viability (31%), and cell stability (28.6%) were also listed as top technical issues. Regulatory issues, costs, analytics, and inadequate bioreactor volumes were other challenges (see Table I).

Table I: What are your current technical challenges? (Multiple responses allowed)
Protein-based Therapies % of respondents
Protein stability 53.7%
Producing high enough product yields 52.2%
Purifying high product yields 49.3%
Protein aggregates 41.8%
Creating/cloning cell lines 34.3%
Formulation issues 34.3%
Regulatory 31.3%
Analytics 26.9%
Drug delivery 22.4%
Viral contamination 20.9%
Microbial contamination 19.4%
Achieving accurate folding or other post-translational modifications 17.9%
Finding adequate analytical tools for PAT 17.9%
Creating efficient expression cassettes/plasmids 14.9%
Maintaining working cell lines 14.9%
Maintaining master cell lines 10.4%
Nucleic-acid Therapies % of respondents
Purification 45.5%
Stability 36.4%
Drug delivery 31.8%
Scale-up 27.3%
Achieving adequate expression levels of product 25.0%
Analytics 25.0%
Automation 22.7%
Formulation 22.7%
Regulatory issues 20.5%
Contamination 15.9%
Cells for Tissue or Cell-based Therapies % of respondents
Process development 50.0%
Scale up 35.7%
Cell viability 31.0%
Cell stability 28.6%
Analytics 23.8%
Costs 23.8%
Regulatory issues 23.8%
Bioreactor volumes inadequate for the quantities of cells we want to produce 21.4%
Formulation 21.4%
Automation 19.0%
Maintaining cells in proper developmental phase 16.7%
Inadequate surface area to grow adherent cells in large-enough quantities 14.3%
Availability of appropriate cell-culture medium 9.5%


Process analytical technologies
More than half of the respondents reported using process analytical technology (PAT) in manufacturing operations. High-performance liquid chromatography was the clear leader, used by 71.7% of those that implement PAT. Use of Fourier transform infrared spectroscopy was reported by 41.3%; almost one-third use near-infrared spectroscopy. More than one-quarter use disposable sensors

Figure 1: Whether or not you currently use disposables, what in your opinion are the greatest advantages to disposable equipment? (Multiple responses allowed). All Figures Are Courtesy of the Author

Hybrid equipment dominates
Hybrid manufacturing systems, which feature traditional stainless steel and disposable, single-use equipment, were used by almost three-quarters (74.4%) of the respondents; 16.3% use all stainless; 9.5% use all disposable.

All respondents, those who used and did not use disposables, shared perceptions about the value of single-use systems. Nearly 70% cited reduced contamination as an advantage. Time savings, ease of use, and flexibility for multiproduct manufacturing were identified as advantages by more that half of the respondents (Figure 1). While 38.1% said disposables offered cost savings, 55.6% said high cost was a challenge to using a disposable system. Other challenges were limitations on size and leaching of the disposable material into the product (Figure 2).

Figure 3
Figure 2: Whether or not you use disposables, what in your opinion, are the greatest challenges with disposable equipment? (Multiple answers allowed).

Quality by Design
Improved process understanding (68.4%), improved product quality (66.7%), and reduced variability in product quality (57.9%) were the top advantages identified by the respondents who have implemented quality-by-design (QbD) principles in their biopharmaceutical manufacturing operations. Nearly half reported improved manufacturing efficiency as a result. However, almost 32% of the respondents have not implemented QbD. Reasons cited for not implementing QbD include a lack of guidance and direction from regulatory agencies (46.2%), no process or quality advantage to be gained (30.8%), a lack of understanding of the QbD initiative (23.2%), or it is too costly.

Past and future innovation
Respondents revealed insight about recent innovations that have improved process efficiencies.  Equipment and products related to disposable systems were most frequently mentioned.

There is, however, room for improvement. Better disposable systems, including bags that do not leak, reduced leaching, larger bioreactors and fermenters, and disposable sensors were identified as desired new technologies to improve process efficiencies. Better filtration, chromatography columns, automation, and process analytical technologies also were identified as ways to improve manufacturing efficiencies.
an Alternative:

Outsourced Manufacturing
Outsourced manufacturing plays a prominent role among the companies represented in the survey. Almost 40% reported outsourcing of some component of biopharmaceutical manufacturing. Leading outsourced function, are drug substance manufacturing, API and finished products manufacturing, and clinical trial-materials manufacturing. More than one-third of the companies outsource full-scale commercial manufacturing. Limited internal manufacturing capabilities and cost-effectiveness were the leading reasons cited for outsourcing different functions in biopharmaceutical manufacturing.

1. BioPharm International Manufacturing Trends 2014 Survey.

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