HUMAN CLINICAL ARTICLE

Umbilical Cord-Derived Mesenchymal Stromal Cells (MSCs) for Knee Osteoarthritis: Repeated MSC Dosing Is Superior to a Single MSC Dose and to Hyaluronic Acid in a Controlled Randomized Phase I/II Trial

JOSE MATAS | a MARIO ORREGO | a DIEGO AMENABAR | a CATALINA INFANTE | b RAFAEL TAPIA-LIMONCHI | b,c MARIA IGNACIA CADIZ | b FRANCISCA ALCAYAGA-MIRANDA | b,c,d PAZ L. GONZÁLEZ | d EMILIO MUSE | e MAROUN KHOURY | b,c,d FERNANDO E. FIGUEROA  | c,d,f FRANCISCO ESPINOZA b,c,f

Key Words: Osteoarthritis • Knee • Mesenchymal stromal cells • Pain • Disability