Chinese Journal of Tissue Engineering Research ›› 2013, Vol. 17 ›› Issue (12): 2241-2248.doi: 10.3969/j.issn.2095-4344.2013.12.022

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Performance and evaluation of lung sustained-release microspheres for the treatment of lung diseases

Wang Shi-shou1, Wu Gang2   

  1. 1 Shengli Oilfield Central Hospital, Dongying 257000, Shandong Province, China
    2 Hekou District Drilling Hospital, Dongying 257000, Shandong Province, China
  • Received:2012-12-18 Revised:2013-02-10 Online:2013-03-19 Published:2013-03-19
  • About author:Wang Shi-shou★, Master, Associate chief physician, Shengli Oilfield Central Hospital, Dongying 257000, Shandong Province, China shishouw@163.com

Abstract:

BACKGROUND: The lung is suitable as a local or systemic administration site because of its special physiological structure, while there lacks reports on advantages of lung sustained-release microspheres for the treatment of lung diseases, even systemic diseases.
OBJECTIVE: To evaluate drug releasing property and safety of clinical administration of lung sustained-release microspheres, and to compare the difference between lung sustained-release microspheres and other pulmonary drug delivery dosage forms.
METHODS: The distribution and degradation of microspheres in the lung, pathological changes of the lung tissue and the effect of continuous administration on lung function were observed.
RESUTLS AND CONCLUSION: The materials commonly used for lung sustained-release microspheres included starch and polylactic acid. The lung sustained-release microspheres have the abilities of biodegradability, biocompatibility and bioadhesion. The sustained-release microspheres are easy to prepare and have no damage to the normal tissue with high security. The lung sustained-release microspheres have good lung targeting effects which can improve the drug efficacy, reduce the side effects of drugs and have no pathological damage to lung tissue.

Key words: biomaterials, biomaterial academic discussion, microsphere, drug carrier, pharmaceutical preparations, targeting, pulmonary delivery, lung tissue, lung injury, polymer materials, chitosan, biocompatibility, security

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