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    Additive Manufacturing of a Point-of-Care “Polypill:” Fabrication of Concept Capsules of Complex Geometry with Bespoke Release against Cardiovascular Disease

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    Publication date
    2020-07
    Author
    Pereira, B.C.
    Isreb, Abdullah
    Isreb, Mohammad
    Forbes, R.T.
    Oga, E.F.
    Alhnan, M.A.
    Keyword
    Computer-aided design
    Controlled release
    Digital health
    Fixed dose combination
    In vitro-in vivo correlation
    Multidrug
    Rights
    (c) 2020 Wiley. This is the peer-reviewed version of the following article: Pereira BC, Isreb A, Isreb M et al (2020) Additive Manufacturing of a Point-of-Care “Polypill:” Fabrication of Concept Capsules of Complex Geometry with Bespoke Release against Cardiovascular Disease. Advanced Healthcare Materials. 9(13): 2000236., which has been published in final form at https://doi.org/10.1002/adhm.202000236. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
    Peer-Reviewed
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    Abstract
    Polypharmacy is often needed for the management of cardiovascular diseases and is associated with poor adherence to treatment. Hence, highly flexible and adaptable systems are in high demand to accommodate complex therapeutic regimens. A novel design approach is employed to fabricate highly modular 3D printed “polypill” capsules with bespoke release patterns for multiple drugs. Complex structures are devised using combined fused deposition modeling 3D printing aligned with hot-filling syringes. Two unibody highly modular capsule skeletons with four separate compartments are devised: i) concentric format: two external compartments for early release while two inner compartments for delayed release, or ii) parallel format: where nondissolving capsule shells with free-pass corridors and dissolution rate-limiting pores are used to achieve immediate and extended drug releases, respectively. Controlling drug release is achieved through digital manipulation of shell thickness in the concentric format or the size of the rate limiting pores in the parallel format. Target drug release profiles are achieved with variable orders and configurations, hence confirming the modular nature with capacity to accommodate therapeutics of different properties. Projection of the pharmacokinetic profile of this digital system capsules reveal how the developed approach can be applied in dose individualization and achieving multiple desired pharmacokinetic profiles.
    URI
    http://hdl.handle.net/10454/18004
    Version
    Accepted manuscript
    Citation
    Pereira BC, Isreb A, Isreb M et al (2020) Additive Manufacturing of a Point-of-Care “Polypill:” Fabrication of Concept Capsules of Complex Geometry with Bespoke Release against Cardiovascular Disease. Advanced Healthcare Materials. 9(13): 2000236.
    Link to publisher’s version
    https://doi.org/10.1002/adhm.202000236
    Type
    Article
    Collections
    Life Sciences Publications

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