
- BioPharm International-01-01-2019
- Volume 32
- Issue 1
Efficacy of a Simple Static Cleaning Procedure for SPTFF
A key technology that can help achieve a continuous production flow is single-pass tangential flow filtration.
Continuous bioproduction processes have recently seen a flood of development activity. A key technology that can help achieve a continuous production flow is single-pass tangential flow filtration (SPTFF); a continuous tangential flow filtration (TFF) operation with a simple, straight-through flow path without a recirculation loop. SPTFF is performed at lower feed flow rates than those of batch TFF operations. SPTFF is used to directly link different unit operations (i.e., to alter in-line buffer composition and product concentration or to increase the final concentration at high yield). However, there are limitations in the available options and flow rates used for cleaning the filters. Yet, the high value of TFF devices makes the assessment of reuse by cleaning economically interesting. This article highlights a case study in which a static cleaning methodology was applied for SPTFF. To maintain the simplicity of the straight-through flow path, a cleaning procedure was assessed using a combination of flushing and static hold steps without recirculation. The cleaning procedure efficacy and its effect on process performance over multiple cycles of a monoclonal antibody process were evaluated.
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Peer-Reviewed
Submitted: Aug. 13, 2018
Accepted: Aug. 29, 2018
About the authors
Torsten Bisschop is a biomanufacturing engineer consultant; Karen Chan is a staff engineer; and Herb Lutz*is a principal consultant, herb.lutz@emdmillipore.com; all at MilliporeSigma.
*To whom correspondence should be addressed.
Article details
BioPharm International
Volume 32, Issue 1
January 2019
Pages: 29–36
Citation
When referring to this article, please cite it as T. Bisschop et al., “Efficacy of a Simple Static Cleaning Procedure for SPTFF,” BioPharm International 32 (1) 2019.
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