Clinical evaluation of intralesional umbilical cord-derived mesenchymal stem cells, conditioned medium and triamcinolone acetonide injection for keloid treatment: A pilot study.

"CONFLICT OF INTEREST STATEMENT The authors have no conflict of interest to declare."

"FUNDING INFORMATION This research was conducted using the International Indexed Publication (Publikasi Terindeks Internasional/PUTI) research grant from the Directorate of Research and Development Universitas Indonesia."

"The research protocol has received a letter of passing ethical review by the Health Research Ethics Committee, Faculty of Medicine, University of Indonesia, with the number KET‐1206/UN2.F1/ETIK/PPM.00.02/2021. Subjects' identity was maintained confidential, and informed consents were gathered from all the subjects. This trial is registered in clinicaltrials.gov with identifier of NCT05887804. The pilot trial was single‐centred, which was conducted in Gatot Soebroto National Army Hospital, Jakarta. The trial was funded by International Indexed Publication (Publikasi Terindeks Internasional/PUTI) research grant from the Directorate of Research and Development University of Indonesia."