Allogeneic Human Umbilical Cord-Derived Mesenchymal Stem/Stromal Cells for Chronic Obstructive Pulmonary Disease (COPD): Study Protocol for a Matched Case–Control, Phase I/II Trial

Researchers investigated the safety and potential therapeutic efficacy of allogeneic administration of umbilical cord-derived MSCs as a supplementary intervention in combination with standard COPD medication treatments in patients with moderate-to-severe COPD.