Overview Phase I Study of Cord Blood Lymphocyte Infusion Status: Active, not recruiting Trial end date: 0000-00-00 Target enrollment: Participant gender: Summary The goal of this clinical research study is to learn about the highest tolerated dose of T cells that can be safely given to patients whose cancer has returned after a umbilical cord blood transplant (UCBT). Phase: Phase 1 Details Lead Sponsor: M.D. Anderson Cancer Center