| Recruiting | 2/3 | 258 | US | Enoxaparin, Lovenox, Clexane | Yale University, Children's Hospital Colorado, Children's Hospital of Philadelphia, BJC HealthCare, Medical College of Wisconsin, Children's of Alabama, Golisano Children's Hospital, Maria Fareri Children's Hospital, Nationwide Children's Hospital, New York Presbyterian Hospital, Penn State University, University of Iowa, Johns Hopkins All Children's Hospital, University of Oklahoma, Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), Children's Hospital of Illinois OSF Saint Francis Medical Center, Hassenfeld Children's Hospital | Deep Venous Thrombosis | 04/26 | 07/26 | | |