TB Research

Engineering rifampicin-encapsulated inhalable microparticles for precision tuberculosis therapy: in vivo distribution and therapeutic evaluation

Ruchı Tıwarı, Patibandla Jahnavi, Dhakshnamoorthy Vellingiri, Saroj Yadav, A. Jadhav, Tatapudi Naga Aparna, V. Sekar, Pankaj Sharma

Journal of drug targeting · 2025-09

Abstract

Computational Fluid Dynamics (CFD) simulations and the use of AI-determined predictive modelling, aerosol deposition was maximised at an inhalation flow rate of 30 L/min targeting the alveolar region indicated by having 52.8% of the aerosol deposition at this region. The TB-infected mice, which showed the lung tissue bacterial load was reduced to 3.2 log colony forming unit (CFU) and the levels of TNF-α were decreased while IL-10 levels were increased. With this kind of accelerated stability testing it was ascertained that the type of formulation had a shelf-life of 24 months.

MeSH terms

  • Inhalation
  • Aerodynamic diameter
  • Rifampicin
  • In vivo
  • Drug delivery
  • Biomedical engineering
  • Aerosol
  • PLGA
  • Pharmacology
  • Lung
  • Drug
  • Chemistry
  • Particle size
  • Dry-powder inhaler
  • Inhalation exposure
  • Distribution (mathematics)
  • Medicine
  • Tuberculosis
  • Mycobacterium tuberculosis