MRD
response rate
90%
(n=44/49)
BLINCYTO® is indicated for the treatment of relapsed or refractory CD19-positive B-cell precursor acute lymphoblastic leukemia (ALL) in adults and children.
MT103-205 study design
Key inclusion criteria4 |
---|
Primary refractory disease |
First relapse after full salvage induction |
Second or later relapse, or in any relapse after HSCT |
Age < 18 years |
KPS ≥ 50% or LPS ≥ 50% for patients < 16 years of age |
Key exclusion criteria4 |
Active acute or extensive chronic GvHD after HSCT |
Evidence of active CNS involvement |
Evidence of active testicular involvement |
Baseline Characteristics (N=70)4,†
Sex, n (%) | |
---|---|
Male | 47 (67) |
Age, n (%) | |
< 2 years | 10 (14) |
2–6 years | 20 (29) |
7–17 years | 40 (57) |
Previous relapses, n (%) | |
0 (primary refractory disease) | 2 (3) |
1 | 31 (44) |
2 | 29 (41) |
≥ 3 | 8 (11) |
Previous HSCT, n (%) | 40 (57) |
Baseline BM blasts, n (%) | |
< 50% | 18 (26) |
≥ 50% | 52 (74) |
Within the First Two Treatment Cycles of BLINCYTO®
Amgen 20120215 study is not in the USPI but was deemed to be consistent with the label for BLINCYTO® use in relapsed or refractory CD19-positive B-cell precursor ALL for the pediatric population.
Key inclusion criteria1 |
---|
High-risk B-cell precursor ALL in first relapse |
< 5% blasts or between 5%–25% blasts in BM |
Key exclusion criteria1 |
Clinically relevant CNS pathology requiring treatment |
Evidence of current CNS (CNS2, CNS3) involvement by ALL‡‡ |
Abnormal renal or hepatic function prior to start of treatment |
BLINCYTO ® (n=54) n (%) |
Chemotherapy (n=54) n (%) |
|
Age at enrollment (years) Median (range) |
6 (1–17) | 5 (1–17) |
1–9 | 39 (72.2) | 38 (70.4) |
10–18 | 15 (27.8) | 16 (29.6) |
Sex | ||
Female | 24 (44.4) | 32 (59.3) |
Male | 30 (55.6) | 22 (40.7) |
Genetic abnormalities at diagnosis of first high-risk relapse | ||
Favorable prognosis Hyperdiploidy t(12;21) (p13;q22)/TEL-AML1 |
8 (14.8) 6 (11.1) 2 (3.7) |
10 (18.5) 6 (11.1) 4 (7.4) |
Unfavorable prognosisa t(v;11q23)/KMT2A rearranged t(1;19)(q23;p13.3)/E2A-PBX1 Hyperdiploidy |
7 (13.0) 2 (3.7) 2 (3.7) 2 (3.7) |
9 (16.7) 6 (11.1) 2 (3.7) 0 (0.0) |
Prognosis undefined | 5 (9.3) | 6 (11.1) |
Patients who did not achieve remission or died before assessment were assigned one day of event-free survival. Patients alive and event free were censored on their last assessment date.
MRD
response rate
90%
(n=44/49)
of patients who received BLINCYTO® achieved MRD(–)§§ vs 54% (n=26/48) of patients who received chemotherapy1
See the full safety profile of the Amgen 20120215 study
Learn moreCOG AALL1331 study is not in the USPI but was deemed to be consistent with the label for BLINCYTO® use in relapsed or refractory CD19-positive B-cell precursor ALL for pediatric and AYA populations.
Primary endpoint:2
Disease-free survival
Secondary endpoint2
Overall survival
Exploratory endpoint:2
MRD response
Exploratory endpoint:2
MRD response
Secondary endpoint2
Overall survival
Post hoc endpoint:2
Ability to proceed to HSCT
Key inclusion criteria2 |
---|
B-cell precursor ALL in first relapse |
Key exclusion criteria2 |
Down syndrome |
Ph(+) B-cell precursor ALL |
Previous HSCT or BLINCYTO® treatment |
Baseline characteristics2
BLINCYTO ® (n=105) n (%) |
Chemotherapy (n=103) n (%) |
|
Age at enrollment (years) Median (interquartile range) |
9 (6–16) | 9 (5–16) |
1–9 | 55 (52.4) | 55 (53.4) |
10–12 | 10 (9.5) | 11 (10.7) |
13–17 | 25 (23.8) | 19 (18.4) |
18–20 | 8 (7.6) | 10 (9.7) |
21–27 | 7 (6.7) | 8 (7.8) |
Sex | ||
Female | 48 (45.7) | 49 (47.6) |
Male | 57 (54.3) | 54 (52.4) |
Risk group assignment after reinduction | ||
High risk*** | 69 (65.7) | 69 (67.0) |
Intermediate risk††† | 36 (34.3) | 34 (33.0) |
Cytogenetic group at diagnosis | ||
Favorable ETV6-RUNX1, No. Hyperdiploid with +4, +10, No. |
21 (23.3) 12 9 |
16 (17.6) 8 8 |
Unfavorable KMT2A-rearranged, No. Hyperdiploid, No. |
7 (7.8) 7 0 |
10 (11.0) 9 1 |
Other Unknown, No. |
62 (68.9) 15 |
65 (71.4) 12 |
***Patients who had an iBM or combined BM + EM relapse < 36 months or who had an iEM relapse < 18 months were assigned to the high-risk group.2
†††Patients who had an iBM or combined BM + EM relapse ≥ 36 months or who had an iEM relapse ≥ 18 months and MRD ≥ 0.1% at end of induction were assigned to the intermediate-risk group.2
‡‡‡A low-risk randomization arm was also part of the study.2
§§§UKALLR3: induction, IT methotrexate/dexamethasone oral/mitoxantrone IV or idarubicin IV/vincristine IV/pegaspargase IM; consolidation, dexamethasone oral/vincristine IV/IT methotrexate/methotrexate IV/pegaspargase IM/cyclophosphamide IV/etoposide IV; maintenance, IT methotrexate/dexamethasone oral/vincristine IV/cytarabine IV/Erwinase IM/methotrexate IV; before HSCT, fludarabine IV/cytarabine IV/liposomal daunorubicin citrate IV.2,7
COG, Children’s Oncology Group; HR, high risk; IR, intermediate risk; IT, intrathecal; Ph(+), Philadelphia chromosome–positive.
MRD response after cycle 1 of BLINCYTO® vs block 2 of chemotherapy2,‡‡‡‡
MRD
response rate§§§§
75%
(n=79/105)
of patients who received BLINCYTO® achieved MRD(–) vs 32% (n=33/103) of patients who received chemotherapy*****
More patients who received BLINCYTO® proceeded to HSCT vs those who received chemotherapy2
See the safety results of BLINCYTO® vs chemotherapy in COG AALL1331
Learn moreReferences:
WARNING: CYTOKINE RELEASE SYNDROME and NEUROLOGICAL TOXICITIES
BLINCYTO® is contraindicated in patients with a known hypersensitivity to blinatumomab or to any component of the product formulation.
Please see full Prescribing Information, including Boxed WARNINGS and Medication Guide, for BLINCYTO®.
BLINCYTO® is a registered trademark of Amgen Inc.
WARNING: CYTOKINE RELEASE SYNDROME and NEUROLOGICAL TOXICITIES