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The European Commission has granted orphan drug designation for the oral BCL-2 inhibitor venetoclax to treat acute myeloid leukemia (AML).
The EC grants orphan designation to products intended to treat, prevent, or diagnose a life-threatening condition affecting up to 5 in 10,000 people in the
European Union. The product must provide significant benefit to those affected by the condition.
Orphan drug designation from the EC provides companies with certain development incentives, including protocol assistance, a type of scientific advice specific for orphan drugs, and 10 years of market exclusivity once the drug is on the market.
Venetoclax is being developed by AbbVie in partnership with Genentech and Roche.
Phase 2 study
Results from a phase 2 study of venetoclax in AML were presented at ASH 2014. At that time, the trial had enrolled 32 patients, 30 of whom had relapsed or refractory disease. Patients had a median age of 71 (range, 19 to 84), and half were male.
The overall response rate was 15.5%, with 1 patient achieving a complete response (CR) and 4 achieving a CR with incomplete count recovery (CRi).
The researchers noted that 3 of the patients who had a CR/CRi had IDH mutations. Two of these patients also achieved minimal residual disease negativity.
The median bone marrow blast count in evaluable patients decreased 36% after treatment, and 6 patients (19%) had at least a 50% reduction in bone marrow blasts.
Common adverse events following treatment (occurring in at least 25% of patients) included nausea, diarrhea, fatigue, neutropenia, and vomiting.
Grade 3/4 adverse events (occurring in 3 or more patients) included febrile neutropenia, anemia, and pneumonia. No patient died as a result of treatment-related adverse events. 
The European Commission has granted orphan drug designation for the oral BCL-2 inhibitor venetoclax to treat acute myeloid leukemia (AML).
The EC grants orphan designation to products intended to treat, prevent, or diagnose a life-threatening condition affecting up to 5 in 10,000 people in the
European Union. The product must provide significant benefit to those affected by the condition.
Orphan drug designation from the EC provides companies with certain development incentives, including protocol assistance, a type of scientific advice specific for orphan drugs, and 10 years of market exclusivity once the drug is on the market.
Venetoclax is being developed by AbbVie in partnership with Genentech and Roche.
Phase 2 study
Results from a phase 2 study of venetoclax in AML were presented at ASH 2014. At that time, the trial had enrolled 32 patients, 30 of whom had relapsed or refractory disease. Patients had a median age of 71 (range, 19 to 84), and half were male.
The overall response rate was 15.5%, with 1 patient achieving a complete response (CR) and 4 achieving a CR with incomplete count recovery (CRi).
The researchers noted that 3 of the patients who had a CR/CRi had IDH mutations. Two of these patients also achieved minimal residual disease negativity.
The median bone marrow blast count in evaluable patients decreased 36% after treatment, and 6 patients (19%) had at least a 50% reduction in bone marrow blasts.
Common adverse events following treatment (occurring in at least 25% of patients) included nausea, diarrhea, fatigue, neutropenia, and vomiting.
Grade 3/4 adverse events (occurring in 3 or more patients) included febrile neutropenia, anemia, and pneumonia. No patient died as a result of treatment-related adverse events.
The European Commission has granted orphan drug designation for the oral BCL-2 inhibitor venetoclax to treat acute myeloid leukemia (AML).
The EC grants orphan designation to products intended to treat, prevent, or diagnose a life-threatening condition affecting up to 5 in 10,000 people in the
European Union. The product must provide significant benefit to those affected by the condition.
Orphan drug designation from the EC provides companies with certain development incentives, including protocol assistance, a type of scientific advice specific for orphan drugs, and 10 years of market exclusivity once the drug is on the market.
Venetoclax is being developed by AbbVie in partnership with Genentech and Roche.
Phase 2 study
Results from a phase 2 study of venetoclax in AML were presented at ASH 2014. At that time, the trial had enrolled 32 patients, 30 of whom had relapsed or refractory disease. Patients had a median age of 71 (range, 19 to 84), and half were male.
The overall response rate was 15.5%, with 1 patient achieving a complete response (CR) and 4 achieving a CR with incomplete count recovery (CRi).
The researchers noted that 3 of the patients who had a CR/CRi had IDH mutations. Two of these patients also achieved minimal residual disease negativity.
The median bone marrow blast count in evaluable patients decreased 36% after treatment, and 6 patients (19%) had at least a 50% reduction in bone marrow blasts.
Common adverse events following treatment (occurring in at least 25% of patients) included nausea, diarrhea, fatigue, neutropenia, and vomiting.
Grade 3/4 adverse events (occurring in 3 or more patients) included febrile neutropenia, anemia, and pneumonia. No patient died as a result of treatment-related adverse events.