Pharmaceutical preparations intended for use in gastrointestinal diseases and disorders; pharmaceutical preparations for treatment of fistulas, fistulas in patients with Crohn's disease, complex perianal fistulas and complex perianal fistulas in patients with Crohn's disease; pharmaceutical and diagnostic preparations for medicinal purposes for treatment of fistulas in patients with Crohn's disease, complex perianal fistulas and complex perianal fistulas in patients with Crohn's disease; cellular, biological or bacteriological preparations for medical use, particularly for treatment of fistulas, fistulas in patients with Crohn's disease, complex perianal fistulas and complex perianal fistulas in patients with Crohn's disease; live cell tissue implants or modified live cell tissue for medical purposes, particularly for treatment of fistulas, fistulas in patients with Crohn's disease, complex perianal fistulas and complex perianal fistulas in patients with Crohn's disease.;