Cocoon Biotech , a company focused on using its silk protein-based drug delivery technology for the development of formulations to treat osteoarthritis and other conditions, has entered into service agreements with Camargo Pharmaceutical Services to provide regulatory consulting and strategic development services for Cocoon’s pipeline of products. The first joint program will involve biocompatible silk fibroin loaded with a small molecule therapeutic, and will include pre-Investigational New Drug meeting planning and preparations through to New Drug Application submissions.