Development of a Stable Respiratory Syncytial Virus Pre-Fusion Protein Powder Suitable for a Core-Shell Implant with a Delayed Release in Mice: A Proof of Concept Study

Currently, there is an increasing interest to apply pre-fusion (pre-F) protein of respiratory syncytial virus (RSV) as antigen for the development of a subunit vaccine. A pre-F-containing powder would increase the flexibility regarding the route of administration. For instance, a pre-F-containing po...

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Main Authors: Max Beugeling, Katie Amssoms, Freek Cox, Ben De Clerck, Ellen Van Gulck, Jeroen A. Verwoerd, Guenter Kraus, Dirk Roymans, Lieven Baert, Henderik W. Frijlink, Wouter L. J. Hinrichs
Format: Article
Language:English
Published: MDPI AG 2019-10-01
Series:Pharmaceutics
Subjects:
Online Access:https://www.mdpi.com/1999-4923/11/10/510
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author Max Beugeling
Katie Amssoms
Freek Cox
Ben De Clerck
Ellen Van Gulck
Jeroen A. Verwoerd
Guenter Kraus
Dirk Roymans
Lieven Baert
Henderik W. Frijlink
Wouter L. J. Hinrichs
author_facet Max Beugeling
Katie Amssoms
Freek Cox
Ben De Clerck
Ellen Van Gulck
Jeroen A. Verwoerd
Guenter Kraus
Dirk Roymans
Lieven Baert
Henderik W. Frijlink
Wouter L. J. Hinrichs
author_sort Max Beugeling
collection DOAJ
description Currently, there is an increasing interest to apply pre-fusion (pre-F) protein of respiratory syncytial virus (RSV) as antigen for the development of a subunit vaccine. A pre-F-containing powder would increase the flexibility regarding the route of administration. For instance, a pre-F-containing powder could be incorporated into a single-injection system releasing a primer, and after a lag time, a booster. The most challenging aspect, obtaining the booster after a lag time, may be achieved by incorporating the powder into a core encapsulated by a nonporous poly(<span style="font-variant: small-caps;">dl</span>-lactic-<i>co</i>-glycolic acid) (PLGA) shell. We intended to develop a stable freeze-dried pre-F-containing powder. Furthermore, we investigated whether incorporation of this powder into the core-shell implant was feasible and whether this system would induce a delayed RSV virus-neutralizing antibody (VNA) response in mice. The developed pre-F-containing powder, consisting of pre-F in a matrix of inulin, HEPES, sodium chloride, and Tween 80, was stable during freeze-drying and storage for at least 28 days at 60 &#176;C. Incorporation of this powder into the core-shell implant was feasible and the core-shell production process did not affect the stability of pre-F. An in vitro release study showed that pre-F was incompletely released from the core-shell implant after a lag time of 4 weeks. The incomplete release may be the result of pre-F instability within the core-shell implant during the lag time and requires further research. Mice subcutaneously immunized with a pre-F-containing core-shell implant showed a delayed RSV VNA response that corresponded with pre-F release from the core-shell implant after a lag time of approximately 4 weeks. Moreover, pre-F-containing core-shell implants were able to boost RSV VNA titers of primed mice after a lag time of 4 weeks. These findings could contribute to the development of a single-injection pre-F-based vaccine containing a primer and a booster.
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spelling doaj.art-1fab9f6aa5144ad296de6c6ca8e08c852022-12-22T04:03:38ZengMDPI AGPharmaceutics1999-49232019-10-01111051010.3390/pharmaceutics11100510pharmaceutics11100510Development of a Stable Respiratory Syncytial Virus Pre-Fusion Protein Powder Suitable for a Core-Shell Implant with a Delayed Release in Mice: A Proof of Concept StudyMax Beugeling0Katie Amssoms1Freek Cox2Ben De Clerck3Ellen Van Gulck4Jeroen A. Verwoerd5Guenter Kraus6Dirk Roymans7Lieven Baert8Henderik W. Frijlink9Wouter L. J. Hinrichs10Department of Pharmaceutical Technology and Biopharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The NetherlandsDrug Product Development_Developability, Janssen Research and Development, a Division of Janssen Pharmaceutica NV, Turnhoutseweg 30, 2340 Beerse, BelgiumJanssen Vaccines &amp; Prevention B.V., Archimedesweg 4-6, 2333 CN Leiden, The NetherlandsJanssen Infectious Diseases and Vaccines, Janssen Research and Development, a Division of Janssen Pharmaceutica NV, Turnhoutseweg 30, 2340 Beerse, BelgiumJanssen Infectious Diseases and Vaccines, Janssen Research and Development, a Division of Janssen Pharmaceutica NV, Turnhoutseweg 30, 2340 Beerse, BelgiumDepartment of Pharmaceutical Technology and Biopharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The NetherlandsJanssen Infectious Diseases and Vaccines, Janssen Research and Development, a Division of Janssen Pharmaceutica NV, Turnhoutseweg 30, 2340 Beerse, BelgiumJanssen Infectious Diseases and Vaccines, Janssen Research and Development, a Division of Janssen Pharmaceutica NV, Turnhoutseweg 30, 2340 Beerse, BelgiumJalima Pharma bvba, Jozef Van Walleghemstraat 11, 8200 Brugge, BelgiumDepartment of Pharmaceutical Technology and Biopharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The NetherlandsDepartment of Pharmaceutical Technology and Biopharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The NetherlandsCurrently, there is an increasing interest to apply pre-fusion (pre-F) protein of respiratory syncytial virus (RSV) as antigen for the development of a subunit vaccine. A pre-F-containing powder would increase the flexibility regarding the route of administration. For instance, a pre-F-containing powder could be incorporated into a single-injection system releasing a primer, and after a lag time, a booster. The most challenging aspect, obtaining the booster after a lag time, may be achieved by incorporating the powder into a core encapsulated by a nonporous poly(<span style="font-variant: small-caps;">dl</span>-lactic-<i>co</i>-glycolic acid) (PLGA) shell. We intended to develop a stable freeze-dried pre-F-containing powder. Furthermore, we investigated whether incorporation of this powder into the core-shell implant was feasible and whether this system would induce a delayed RSV virus-neutralizing antibody (VNA) response in mice. The developed pre-F-containing powder, consisting of pre-F in a matrix of inulin, HEPES, sodium chloride, and Tween 80, was stable during freeze-drying and storage for at least 28 days at 60 &#176;C. Incorporation of this powder into the core-shell implant was feasible and the core-shell production process did not affect the stability of pre-F. An in vitro release study showed that pre-F was incompletely released from the core-shell implant after a lag time of 4 weeks. The incomplete release may be the result of pre-F instability within the core-shell implant during the lag time and requires further research. Mice subcutaneously immunized with a pre-F-containing core-shell implant showed a delayed RSV VNA response that corresponded with pre-F release from the core-shell implant after a lag time of approximately 4 weeks. Moreover, pre-F-containing core-shell implants were able to boost RSV VNA titers of primed mice after a lag time of 4 weeks. These findings could contribute to the development of a single-injection pre-F-based vaccine containing a primer and a booster.https://www.mdpi.com/1999-4923/11/10/510biphasic pulsatile releasecontrolled releasefreeze-dried powderfusion proteinpoly(<span style="font-variant: small-caps">dl</span>-lactic-<i>co</i>-glycolic acid)pre-fusionrespiratory syncytial virussingle-injection vaccine
spellingShingle Max Beugeling
Katie Amssoms
Freek Cox
Ben De Clerck
Ellen Van Gulck
Jeroen A. Verwoerd
Guenter Kraus
Dirk Roymans
Lieven Baert
Henderik W. Frijlink
Wouter L. J. Hinrichs
Development of a Stable Respiratory Syncytial Virus Pre-Fusion Protein Powder Suitable for a Core-Shell Implant with a Delayed Release in Mice: A Proof of Concept Study
Pharmaceutics
biphasic pulsatile release
controlled release
freeze-dried powder
fusion protein
poly(<span style="font-variant: small-caps">dl</span>-lactic-<i>co</i>-glycolic acid)
pre-fusion
respiratory syncytial virus
single-injection vaccine
title Development of a Stable Respiratory Syncytial Virus Pre-Fusion Protein Powder Suitable for a Core-Shell Implant with a Delayed Release in Mice: A Proof of Concept Study
title_full Development of a Stable Respiratory Syncytial Virus Pre-Fusion Protein Powder Suitable for a Core-Shell Implant with a Delayed Release in Mice: A Proof of Concept Study
title_fullStr Development of a Stable Respiratory Syncytial Virus Pre-Fusion Protein Powder Suitable for a Core-Shell Implant with a Delayed Release in Mice: A Proof of Concept Study
title_full_unstemmed Development of a Stable Respiratory Syncytial Virus Pre-Fusion Protein Powder Suitable for a Core-Shell Implant with a Delayed Release in Mice: A Proof of Concept Study
title_short Development of a Stable Respiratory Syncytial Virus Pre-Fusion Protein Powder Suitable for a Core-Shell Implant with a Delayed Release in Mice: A Proof of Concept Study
title_sort development of a stable respiratory syncytial virus pre fusion protein powder suitable for a core shell implant with a delayed release in mice a proof of concept study
topic biphasic pulsatile release
controlled release
freeze-dried powder
fusion protein
poly(<span style="font-variant: small-caps">dl</span>-lactic-<i>co</i>-glycolic acid)
pre-fusion
respiratory syncytial virus
single-injection vaccine
url https://www.mdpi.com/1999-4923/11/10/510
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