Inotuzumab ozogamicin is an antibody-drug conjugate using linker and cytotoxic drug technology similar to that developed for the ground-breaking treatment Mylotarg (Gemtuzumab ozogamicin), which was approved by the US FDA in 2000 for the treatment of acute myeloid leukaemia. Inotuzumab ozogamicin consists of a recombinant humanised IgG4 kappa CD22-targeting monoclonal antibody covalently attached to calicheamicin derivative, N-acetyl-gamma-calicheamicin dimethylhydrazide, which is a potent DNA-binding cytotoxic agent . Developed by Pfizer and UCB, inotuzumab ozogamicin was granted approval by EU in June 2017 followed by FDA on August 17th, 2017 for the treatment of adults with relapsed or refractory B-cell precursor acute lymphoblastic leukemia (ALL). ALL is a rapidly progressing cancer of the bone marrow that is associated with high mortality rates and low therapeutic response from standard chemotherapies in relasping conditions. In a randomized trial, inotuzumab ozogamicin displayed higher percentages of patients undergoing longer periods of complete remission with no evidence of disease in comparison to patients receiving alternative chemotherapy .
Indicated as monotherapy for the treatment of adults with relapsed or refractory CD22-positive B cell precursor acute lymphoblastic leukaemia (ALL).
Institute of Hematology & Blood Diseases Hospital, Tianjin, Tianjin, China
University of Maryland/Greenebaum Cancer Center, Baltimore, Maryland, United States
Oregon Health and Science University, Portland, Oregon, United States
Marshfield Medical Center-Rice Lake, Rice Lake, Wisconsin, United States
Brigham and Women's Hospital, Boston, Massachusetts, United States
Dana Farber Cancer Institute, Boston, Massachusetts, United States
University of Chicago Medical Center, Chicago, Illinois, United States
University College London Hospital NHS Foundation Trust, London, United Kingdom
University Hospitals Bristol NHS Foundation Trust, Bristol, United Kingdom
The Royal Marsden NHS Foundation Trust of Fulham Road, London, United Kingdom
Pfizer, Seoul, Korea, Republic of
University of Wisconsin, Madison, Wisconsin, United States
University of Virginia, Charlottesville, Virginia, United States
Vanderbilt-Ingram Cancer Center, Nashville, Tennessee, United States
Children's Hospital of Alabama, Birmingham, Alabama, United States
HIMA San Pablo Oncologic Hospital, Caguas, Puerto Rico
Miami Cancer Institute, Miami, Florida, United States
Rady Children's Hospital San Diego, San Diego, California, United States
St. Jude Children's Research Hospital, Memphis, Tennessee, United States
M D Anderson Cancer Center, Houston, Texas, United States
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