Table 5: List of the drugs delivered through IPN based sponges.

S.No. Polymers Cross-linkers Drug Formulation References
1. Chitosan + Poloxamer - - Semi-IPN Sponges [25]
2. Elastin + Collagan Glutaraldehyde - IPN Sponges [89]
3. Collagen + Fibronectin Glutaraldehyde Hyaluronic acid IPN Sponges [90]
4. Elastin + Collagen Glutaraldehyde Glycosaminogycans IPN Sponges [91]
5. Collagen + fibroblast - - IPN Sponges [92]