Overview Study of Intracoronary CD34+ Cell Administration in Patients With Early Coronary Atherosclerosis Status: Active, not recruiting Trial end date: 2022-05-01 Target enrollment: Participant gender: Summary How safe and effective are CD34+ cell intracoronary injections for treating coronary endothelial dysfunction (CED)? Phase: Phase 1 Details Lead Sponsor: Mayo ClinicTreatments: LenograstimSargramostim