Paragon Biosciences-backed Castle Creek Biosciences Inc. pulled off an oversubscribed and upsized preferred stock financing of $112.8 million. The money should let the firm tie the bow on a phase III study and roll out top-line results of its lead ex vivo product candidate for recessive dystrophic epidermolysis bullosa (RDEB) called D-Fi (dabocemagene autoficel, also known as FCX-007).