Arturo 2017.

Methods	single‐centre, randomised, open‐label, controlled trial
Participants	26 patients with resistance and not response to the current treatments including anti TNF‐blockers, treated by the multidisciplinary surgical medical team
Interventions	Autologous bone marrow mesenchymal stem cells (axBM‐MSC) expanded and cultured in vitro during 1 month and subsequently supraselective infusion in the total colonic area by endovascular catheterism in superior and inferior mesenteric artery to accurate the arrival of the cells to the colonic tissue.
Outcomes	After one month of the treatment several changes in the patients was documented like decrease in the number of diarrhea episodes, bloodiness, pain and CDAI score. Absence of ulcerations and lesions of colitis activity in the colonoscopy and the pathological study. Improved laboratory systemic cytokines after treatment.
Notes	After our protcol publishing we could not find any contact to the author. But as contact information is now available, we contacted the author and waiting for response (October 2021).