2022
DOI: 10.1016/j.ijpharm.2022.121663
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Proof of concept of a predictive model of drug release from long-acting implants obtained by fused-deposition modeling

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Cited by 8 publications
(4 citation statements)
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“…Given the multifactorial nature of HME and FDM 3DP, conventional systemic methods of evaluating each input variable on printing success (i.e., based on design of experiments) can be time-consuming. The large amount of data derived from almost a decade of pharmaceutical 3D printing research contains critical yet convoluted information that could accelerate formulation development if structured and unraveled ( Crișan et al, 2022 ; Elbadawi et al, 2021c ; Manini et al, 2022 ).…”
Section: Introductionmentioning
confidence: 99%
“…Given the multifactorial nature of HME and FDM 3DP, conventional systemic methods of evaluating each input variable on printing success (i.e., based on design of experiments) can be time-consuming. The large amount of data derived from almost a decade of pharmaceutical 3D printing research contains critical yet convoluted information that could accelerate formulation development if structured and unraveled ( Crișan et al, 2022 ; Elbadawi et al, 2021c ; Manini et al, 2022 ).…”
Section: Introductionmentioning
confidence: 99%
“…In a study by Manini et al, higher porosity and surface/volume ratios were observed for scaffolds with lower infill densities, thus providing a higher burst release. As the infill density decreased, the number of printed meshes decreased, and the area of pores created by the printed material became larger [ 47 ]. The findings from the current study were also in line with the initial hypothesis of this research that the infill density has a major impact on the drug release behavior and, thereby, the overall performance of the 3D-printed scaffolds.…”
Section: Resultsmentioning
confidence: 99%
“…As shown in Figure 10 B, scaffolds with smaller wall thickness (1 mm) had a higher percentage of drug release compared to thicker scaffolds (3 mm). The layer thickness has been reported to impact the mechanical strength of 3D-printed structures [ 51 ] and influence drug release [ 47 , 49 , 52 ]. In a study by Yang et al, the impact of shell thickness on the release of ibuprofen was studied.…”
Section: Resultsmentioning
confidence: 99%
“…Without the aid of in vitro testing, however, predicting the performance of implants with new drug formulations, polymer compositions, or dimensions can prove challenging. A predictive model can inform how the properties of the drug and polymer affect performance and further guide the design of the implant to achieve a target release profile [ 35 , 36 , 37 ]. Such a predictive model will allow the rapid selection of implant parameters without the need to perform extensive in vitro testing, therefore significantly reducing the time and cost associated with in vitro product development efforts.…”
Section: Introductionmentioning
confidence: 99%