An Observational Study of Patients With Philadelphia Chromosome-negative Relapsed or Refractory Acute Lymphoblastic Leukemia in the US
An Observational Study of Patients With Philadelphia Chromosome-negative Relapsed or Refractory Acute Lymphoblastic Leukemia in the US
A retrospective chart review study of Philadelphia chromosome-negative R/R ALL patients in the US.
Inclusion Criteria
-Medical records of patients initiating treatment for Ph- R/R ALL at participating clinical centers in the US between January 2013 and March 2019 will be eligible for inclusion.
Exclusion Criteria