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Selective laser sintering (SLS) 3D printing offers a flexible method for creating personalized atomoxetine tablets. Adjusting SLS parameters controls drug release, supporting patient-specific pharmaceutical therapy.

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Area of Science:

  • Pharmaceutical Technology
  • Additive Manufacturing
  • Personalized Medicine

Background:

  • Growing interest in personalized medicine drives pharmaceutical 3D printing research.
  • Selective Laser Sintering (SLS) is explored for small-scale, flexible drug manufacturing.
  • Atomoxetine tablets were investigated for individualized therapy applications.

Purpose of the Study:

  • To evaluate SLS 3D printing for atomoxetine tablet production.
  • To compare SLS with conventional direct compression manufacturing.
  • To assess the impact of SLS parameters on tablet properties and drug release.

Main Methods:

  • Atomoxetine tablets manufactured using SLS 3D printing with varied laser speeds.
  • Comparison with tablets produced via compaction simulator.
  • Evaluation of physical properties, drug content, disintegration, and dissolution.
  • Assessment of structural and chemical integrity (SEM, FTIR, DSC, XRPD).

Main Results:

  • SLS tablets showed comparable mechanical properties and drug content to compacted tablets.
  • Lower laser speeds resulted in harder tablets with slower drug release.
  • Higher laser speeds produced porous tablets with ultra-rapid drug release (>85% in 15 min).
  • All tablets met European Pharmacopoeia dissolution standards; no drug-excipient interactions or crystallinity changes observed.

Conclusions:

  • SLS printing is a viable alternative for traditional tablet manufacturing.
  • SLS allows precise control over drug release profiles via parameter adjustment.
  • The technique facilitates high-quality, patient-specific dosage forms for personalized therapy.