Optimizing Biophotonics and Immune Response Research: A Proposal for In Vivo Dose Escalation and Light Dosimetry Analysis in Porcine Models

Dennis Sourvanos, Timothy C. Zhu, Andreea Dimofte, Theresa M. Busch, Weibing Yang, Justin Burrell, Rodrigo Neiva, Todd Schoenbaum, Zhaoxu Chen, Kang I. Ko, Joseph P. Fiorellini

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Red and near-infrared light therapies operate within a range of 600-1,100 nm. These wavelengths have been widely recognized with clinical versatility for stimulating, restoring, and regenerating damaged tissues. This therapy has found applications across various fields, including medicine, dentistry, dermatology, neurology, and ophthalmology. Accurately tailoring the calculation of light irradiation to specific tissue targets is fundamental for achieving optimal clinical efficacy. The precision of light delivery is often challenged by the varying optical properties of tissues, such as absorption, scattering, reflection, and refraction. To overcome this challenge, standardized treatment doses are necessary to ensure optimal light delivery and efficacy of the therapy. The validation of the porcine model as a reliable and effective platform for in vitro and vivo dose-escalation trials is central to the success of this study. This model has been extensively studied and proven to be a valuable tool in biomedical research due to its anatomical and physiological similarities to humans. This model has the potential to refine irradiation parameters and investigate immunologic responses for consistent results. These parameters are crucial for attaining the desired therapeutic outcomes and vary depending on clinical conditions, treatment objectives, and the characteristics of the target tissue. The porcine model has proven to be a highly versatile subject in a wide range of biological research fields. Its usefulness extends to studies on nerve regeneration, immunology, bone biology, and titanium osseointegration, among others. Researchers have found that the similarities between porcine and human physiology make this model an excellent tool for advancing our understanding of complex biological processes. The porcine model can facilitate various light dose escalation trial formats while enabling comprehensive assessments that integrate in vivo dosimetry. This model can also be expanded to characterize tissue optical properties, CT analysis, tissue histology, immune cell profiling, inflammatory response evaluation, histomorphometry, and biomechanical testing. This approach creates a translational framework to integrate in vivo dose-escalation trials and reinforces the importance of precision light dosimetry analysis.

Original languageEnglish (US)
Title of host publicationBiophotonics and Immune Responses XIX
EditorsWei R. Chen, Feifan Zhou
PublisherSPIE
ISBN (Electronic)9781510669451
DOIs
StatePublished - 2024
EventBiophotonics and Immune Responses XIX 2024 - San Francisco, United States
Duration: Jan 28 2024Jan 29 2024

Publication series

NameProgress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume12843
ISSN (Print)1605-7422

Conference

ConferenceBiophotonics and Immune Responses XIX 2024
Country/TerritoryUnited States
CitySan Francisco
Period1/28/241/29/24

Keywords

  • Absorption
  • Bone Tissue
  • Depth of Penetration
  • Medical Dosimetry
  • Optical Properties
  • PBM
  • Photobiomodulation
  • Porcine
  • Scattering Light Transmission
  • Soft Tissue

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Biomaterials
  • Radiology Nuclear Medicine and imaging

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