Evaluating intra-articular drug delivery for the treatment of osteoarthritis in a rat model.
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Osteoarthritis (OA) is a degenerative joint disease that can result in joint pain, loss of joint function, and deleterious effects on activity levels and lifestyle habits. Current therapies for OA are largely aimed at symptomatic relief and may have limited effects on the underlying cascade of joint degradation. Local drug delivery strategies may provide for the development of more successful OA treatment outcomes that have potential to reduce local joint inflammation, reduce joint destruction, offer pain relief, and restore patient activity levels and joint function. As increasing interest turns toward intra-articular drug delivery routes, parallel interest has emerged in evaluating drug biodistribution, safety, and efficacy in preclinical models. Rodent models provide major advantages for the development of drug delivery strategies, chiefly because of lower cost, successful replication of human OA-like characteristics, rapid disease development, and small joint volumes that enable use of lower total drug amounts during protocol development. These models, however, also offer the potential to investigate the therapeutic effects of local drug therapy on animal behavior, including pain sensitivity thresholds and locomotion characteristics. Herein, we describe a translational paradigm for the evaluation of an intra-articular drug delivery strategy in a rat OA model. This model, a rat interleukin-1beta overexpression model, offers the ability to evaluate anti-interleukin-1 therapeutics for drug biodistribution, activity, and safety as well as the therapeutic relief of disease symptoms. Once the action against interleukin-1 is confirmed in vivo, the newly developed anti-inflammatory drug can be evaluated for evidence of disease-modifying effects in more complex preclinical models.
Disease Models, Animal
Drug Delivery Systems
Evaluation Studies as Topic
Published Version (Please cite this version)10.1089/ten.teb.2009.0447
Publication InfoAdams, SB; Allen, Kyle D; & Setton, Lori A (2010). Evaluating intra-articular drug delivery for the treatment of osteoarthritis in a rat model. Tissue Eng Part B Rev, 16(1). pp. 81-92. 10.1089/ten.teb.2009.0447. Retrieved from https://hdl.handle.net/10161/3360.
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Adjunct Professor of Biomedical Engineering
Research in Setton's laboratory is focused on the role of mechanical factors in the degeneration and repair of soft tissues of the musculoskeletal system, including the intervertebral disc, articular cartilage and meniscus. Work in the Laboratory is focused on engineering and evaluating materials for tissue regeneration and drug delivery. Studies combining engineering and biology are also used to determine the role of mechanical factors to promote and control healing of cartilaginous tissues. Re