Thermoresponsive and Injectable Hydrogel for Tissue Agnostic Regeneration

Dax Calder, Ali Fathi, Farshad Oveissi, Simin Maleknia, Terence Abrams, Yiwei Wang, Joanneke Maitz, Kevin Hung-Yueh Tsai, Peter Maitz, Wojtek Chrzanowski, Ivan Canoy, Vivek Ashoka Menon, Kenneth Lee, Benjamin J. Ahern, Natasha E. Lean, Dina M. Silva, Paul M. Young, Daniela Traini, Hui Xin Ong, Rasoul Seyed MahmoudHossein Montazerian, Ali Khademhosseini, Fariba Dehghani

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


Injectable hydrogels can support the body's innate healing capability by providing a temporary matrix for host cell ingrowth and neovascularization. The clinical adoption of current injectable systems remains low due to their cumbersome preparation requirements, device malfunction, product dislodgment during administration, and uncontrolled biological responses at the treatment site. To address these challenges, a fully synthetic and ready-to-use injectable biomaterial is engineered that forms an adhesive hydrogel that remains at the administration site regardless of defect anatomy. The product elicits a negligible local inflammatory response and fully resorbs into nontoxic components with minimal impact on internal organs. Preclinical animal studies confirm that the engineered hydrogel upregulates the regeneration of both soft and hard tissues by providing a temporary matrix to support host cell ingrowth and neovascularization. In a pilot clinical trial, the engineered hydrogel is successfully administered to a socket site post tooth extraction and forms adhesive hydrogel that stabilizes blood clot and supports soft and hard tissue regeneration. Accordingly, this injectable hydrogel exhibits high therapeutic potential and can be adopted to address multiple unmet needs in different clinical settings.
Original languageEnglish
Article number2201714
Number of pages15
JournalAdvanced Healthcare Materials
Issue number23
Early online date17 Oct 2022
Publication statusPublished - 7 Dec 2022


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