Effective Carpal Tunnel Injection for Wrist Pain Relief How BPC 157 Accelerates Tissue Regeneration and Healing? Dupuytren's contracture is caused by a fibroproliferative disease in which fibrous cords form in the hand, pulling one or more fingers into a bent position and interfering with hand function. Thinking about trying BPC 157? Read this first., While often marketed as a healing peptide BPC 157 is not FDA approved and not pharmacy grade meaning most versions sold online are unregulated,