General Information of This Antibody-drug Conjugate (ADC)
ADC ID
DRG0TUUCM
ADC Name
Anti-CD33AB-Compound (Ia)
Synonyms
Anti CD33AB Compound (Ia)
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Organization
Orum Therapeutics, Inc.
Drug Status
Investigative
Indication
In total 1 Indication(s)
Acute myeloid leukaemia [ICD11:2A60]
Investigative
Drug-to-Antibody Ratio
3.05
Structure
Antibody Name
Anti-CD33AB
 Antibody Info 
Antigen Name
Myeloid cell surface antigen CD33 (CD33)
 Antigen Info 
Payload Name
NeoDegrader P1
 Payload Info 
Therapeutic Target
Protein cereblon (CRBN)
 Target Info 
Linker Name
Anti-CD33AB-Compound (Ia) linker
General Information of The Activity Data Related to This ADC
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 7 Activity Data Related to This Level
Standard Type Value Units Cell Line Disease Model
Tumor Growth Inhibition value (TGI) 
≈ 56.31
%
MV4-11 cells
Childhood acute monocytic leukemia
Tumor Growth Inhibition value (TGI) 
≈ 71.16
%
OCI-AML-2 cells
Adult acute myeloid leukemia
Tumor Growth Inhibition value (TGI) 
≈ 86.75
%
MV4-11 cells
Childhood acute monocytic leukemia
Tumor Growth Inhibition value (TGI) 
≈ 96.38
%
MV4-11 cells
Childhood acute monocytic leukemia
Tumor Growth Inhibition value (TGI) 
≈ 97.22
%
MV4-11 cells
Childhood acute monocytic leukemia
Tumor Growth Inhibition value (TGI) 
≈ 100
%
MV4-11 cells
Childhood acute monocytic leukemia
Tumor Growth Inhibition value (TGI) 
≈ 100
%
MV4-11 cells
Childhood acute monocytic leukemia
Revealed Based on the Cell Line Data
Click To Hide/Show 38 Activity Data Related to This Level
Standard Type Value Units Cell Line Disease Model
Half Maximal Inhibitory Concentration (IC50) 
90
pM
MV4-11 cells
Childhood acute monocytic leukemia
Half Maximal Inhibitory Concentration (IC50) 
90
pM
ML-2 cells
Acute myeloid leukemia
Half Maximal Inhibitory Concentration (IC50) 
0.11
nM
HL-60 cells
Adult acute myeloid leukemia
Half Maximal Inhibitory Concentration (IC50) 
0.2
nM
F-36P cells
Myelodysplastic syndrome
Half Maximal Inhibitory Concentration (IC50) 
0.34
nM
Kasumi-6 cells
Acute myeloid leukemia
Half Maximal Inhibitory Concentration (IC50) 
0.36
nM
OCI-AML-4 cells
Acute myeloid leukemia
Half Maximal Inhibitory Concentration (IC50) 
0.36
nM
MOLM-13 cells
Adult acute myeloid leukemia
Half Maximal Inhibitory Concentration (IC50) 
0.43
nM
AML-193 cells
Acute myeloid leukemia
Half Maximal Inhibitory Concentration (IC50) 
0.52
nM
EoL-1 cells
Chronic eosinophilic leukemia
Half Maximal Inhibitory Concentration (IC50) 
0.61
nM
SKNO-1 cells
Adult acute myeloid leukemia
Half Maximal Inhibitory Concentration (IC50) 
1.01
nM
HNT-34 cells
Acute myeloid leukemia
Half Maximal Inhibitory Concentration (IC50) 
11.2
nM
Kasumi-3 cells
Adult acute myeloid leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
OCI-AML-1 cells
Adult acute myeloid leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
KG-1a cells
Leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
NOMO-1 cells
Acute monocytic leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
Kasumi-1 cells
Myeloid leukemia with maturation
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
OCI-M1 cells
Acute myeloid leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
PLB-985 cells
Adult acute myeloid leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
RS4
11 cells
Adult B acute lymphoblastic leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
CCRF-CEM cells
T acute lymphoblastic leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
TALL-1 cells
T acute lymphoblastic leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
NALM-16 cells
Childhood B acute lymphoblastic leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
MOLT-4 cells
Adult T acute lymphoblastic leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
LC4-1 cells
B acute lymphoblastic leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
Reh cells
B acute lymphoblastic leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
LOUCY cells
Adult T acute lymphoblastic leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
ATN-1 cells
T acute lymphoblastic leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
SUP-T1 cells
T lymphoblastic lymphoma
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
SUP-B15 cells
B-lymphoblastic leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
Jurkat E6.1 cells
Leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
THP-1 cells
Childhood acute monocytic leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
ARH-77 cells
Leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
SKM-1 cells
Acute myeloid leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
KOPN-8 cells
Leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
CMK-11-5 cells
Acute megakaryoblastic leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
KU812 cells
Chronic myeloid leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
TF-1a cells
Acute erythroid leukemia
Half Maximal Inhibitory Concentration (IC50) 
> 20
nM
GDM-1 cells
Acute myeloid leukemia
Full List of Activity Data of This Antibody-drug Conjugate
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 7 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 56.31% (Day 23) Positive CD33 expression (CD33+++/++)
Method Description
Subcutaneous tumor model MV4-11 human acute myelocytic leukemia cells (1x10 cells in 0.1 mL) were subcutaneously inoculated into the right flank of female athymic nude mice. Mice were treated with ADCs (QD, 1 mg/kg x 1) when tumors reached 150 mm3 and mouse body weight were measured twice per week.
In Vivo Model MV411 CDX model
In Vitro Model Childhood acute monocytic leukemia MV4-11 cells CVCL_0064
Experiment 2 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 71.16% (Day 28) Positive CD33 expression (CD33+++/++)
Method Description
Disseminated model OCI-AML-2 cells (3x10 cells in 0.2 mL) were intravenously injected into the lateral tail vein of female NCG mice. Treatment (iv 3 mg/kg x1) was started thirteen days after tumor cell injection.
In Vivo Model OCI-AML-2 CDX model
In Vitro Model Adult acute myeloid leukemia OCI-AML-2 cells CVCL_1619
Experiment 3 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 86.75% (Day 18) Positive CD33 expression (CD33+++/++)
Method Description
1 x 107 MV411 human acute monocytic leukemia cells in 50% Matrigel were injected subcutaneously in the flank of the mice (0.1 mL/mouse). The mice were dosed with anti-CD33 antibody-neoDegrader conjugates and vehicle control once tumors reached an average size of 100-150 mm3. The stock solutions of CD33AB-Compound (la) was diluted with vehicle, which provided, 3.02 mg/kg in a dosing volume of 10 mL/kg (0.2 mL per 20 g mouse).

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In Vivo Model MV411 CDX model
In Vitro Model Childhood acute monocytic leukemia MV4-11 cells CVCL_0064
Experiment 4 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 96.38% (Day 23) Positive CD33 expression (CD33+++/++)
Method Description
Subcutaneous tumor model MV4-11 human acute myelocytic leukemia cells (1x10 cells in 0.1 mL) were subcutaneously inoculated into the right flank of female athymic nude mice. Mice were treated with ADCs (QD, 3 mg/kg x 1) when tumors reached 150 mm3 and mouse body weight were measured twice per week.
In Vivo Model MV411 CDX model
In Vitro Model Childhood acute monocytic leukemia MV4-11 cells CVCL_0064
Experiment 5 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 97.22% (Day 46) Positive CD33 expression (CD33+++/++)
Method Description
1 x 107 MV411 human acute monocytic leukemia cells in 50% Matrigel were injected subcutaneously in the flank of the mice (0.1 mL/mouse). The mice were dosed with anti-CD33 antibody-neoDegrader conjugates and vehicle control once tumors reached an average size of 100-150 mm3. The stock solutions of CD33AB-Compound (la) was diluted with vehicle, which provided, 3.02 mg/kg in a dosing volume of 10 mL/kg (0.2 mL per 20 g mouse).

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In Vivo Model MV411 CDX model
In Vitro Model Childhood acute monocytic leukemia MV4-11 cells CVCL_0064
Experiment 6 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 100.00% (Day 28) Positive CD33 expression (CD33+++/++)
Method Description
Disseminated model MV4-11 cells (3x10 cells in 0.2 mL) were intravenously injected into the lateral tail vein of female NCG mice. Treatment (iv 3 mg/kg x1) was started thirteen days after tumor cell injection.
In Vivo Model MV411 CDX model
In Vitro Model Childhood acute monocytic leukemia MV4-11 cells CVCL_0064
Experiment 7 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 100.00% (Day 18) Positive CD33 expression (CD33+++/++)
Method Description
Subcutaneous tumor model MV4-11 human acute myelocytic leukemia cells (1x10 cells in 0.1 mL) were subcutaneously inoculated into the right flank of female athymic nude mice. Mice were treated with ADCs (iv, 3 mg/kg x 1) when tumors reached 150 mm3 and mouse body weight were measured twice per week.
In Vivo Model MV411 CDX model
In Vitro Model Childhood acute monocytic leukemia MV4-11 cells CVCL_0064
Revealed Based on the Cell Line Data
Click To Hide/Show 38 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 90.00 pM Positive CD33 expression (CD33+++/++)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Childhood acute monocytic leukemia MV4-11 cells CVCL_0064
Experiment 2 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 90.00 pM Positive CD33 expression (CD33+++/++)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Acute myeloid leukemia ML-2 cells CVCL_1418
Experiment 3 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 0.11 nM Positive CD33 expression (CD33+++/++)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Adult acute myeloid leukemia HL-60 cells CVCL_0002
Experiment 4 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 0.20 nM Positive CD33 expression (CD33+++/++)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Myelodysplastic syndrome F-36P cells CVCL_2037
Experiment 5 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 0.34 nM Positive CD33 expression (CD33+++/++)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Acute myeloid leukemia Kasumi-6 cells CVCL_0614
Experiment 6 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 0.36 nM Positive CD33 expression (CD33+++/++)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Acute myeloid leukemia OCI-AML-4 cells CVCL_5224
Experiment 7 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 0.36 nM Positive CD33 expression (CD33+++/++)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Adult acute myeloid leukemia MOLM-13 cells CVCL_2119
Experiment 8 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 0.43 nM Positive CD33 expression (CD33+++/++)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Acute myeloid leukemia AML-193 cells CVCL_1071
Experiment 9 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 0.52 nM Positive CD33 expression (CD33+++/++)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Chronic eosinophilic leukemia EoL-1 cells CVCL_0258
Experiment 10 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 0.61 nM Positive CD33 expression (CD33+++/++)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Adult acute myeloid leukemia SKNO-1 cells CVCL_2196
Experiment 11 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 1.01 nM Positive CD33 expression (CD33+++/++)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Acute myeloid leukemia HNT-34 cells CVCL_2071
Experiment 12 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 11.20 nM Positive CD33 expression (CD33+++/++)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Adult acute myeloid leukemia Kasumi-3 cells CVCL_0612
Experiment 13 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Positive CD33 expression (CD33+++/++)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Adult acute myeloid leukemia OCI-AML-1 cells CVCL_5228
Experiment 14 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Positive CD33 expression (CD33+++/++)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Leukemia KG-1a cells CVCL_1824
Experiment 15 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Positive CD33 expression (CD33+++/++)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Acute monocytic leukemia NOMO-1 cells CVCL_1609
Experiment 16 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Positive CD33 expression (CD33+++/++)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Myeloid leukemia with maturation Kasumi-1 cells CVCL_0589
Experiment 17 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Positive CD33 expression (CD33+++/++)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Acute myeloid leukemia OCI-M1 cells CVCL_2149
Experiment 18 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Positive CD33 expression (CD33+++/++)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Adult acute myeloid leukemia PLB-985 cells CVCL_2162
Experiment 19 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Negative CD33 expression (CD33-)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Adult B acute lymphoblastic leukemia RS4;11 cells CVCL_0093
Experiment 20 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Negative CD33 expression (CD33-)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model T acute lymphoblastic leukemia CCRF-CEM cells CVCL_0207
Experiment 21 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Negative CD33 expression (CD33-)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model T acute lymphoblastic leukemia TALL-1 cells CVCL_1736
Experiment 22 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Negative CD33 expression (CD33-)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Childhood B acute lymphoblastic leukemia NALM-16 cells CVCL_1834
Experiment 23 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Negative CD33 expression (CD33-)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Adult T acute lymphoblastic leukemia MOLT-4 cells CVCL_0013
Experiment 24 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Negative CD33 expression (CD33-)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model B acute lymphoblastic leukemia LC4-1 cells CVCL_1374
Experiment 25 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Negative CD33 expression (CD33-)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model B acute lymphoblastic leukemia Reh cells CVCL_1650
Experiment 26 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Negative CD33 expression (CD33-)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Adult T acute lymphoblastic leukemia LOUCY cells CVCL_1380
Experiment 27 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Negative CD33 expression (CD33-)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model T acute lymphoblastic leukemia ATN-1 cells CVCL_1073
Experiment 28 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Negative CD33 expression (CD33-)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model T lymphoblastic lymphoma SUP-T1 cells CVCL_1714
Experiment 29 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Negative CD33 expression (CD33-)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model B-lymphoblastic leukemia SUP-B15 cells CVCL_0103
Experiment 30 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Negative CD33 expression (CD33-)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Leukemia Jurkat E6.1 cells CVCL_0367
Experiment 31 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Negative CD33 expression (CD33-)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Childhood acute monocytic leukemia THP-1 cells CVCL_0006
Experiment 32 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Negative CD33 expression (CD33-)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Leukemia ARH-77 cells CVCL_1072
Experiment 33 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Negative CD33 expression (CD33-)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Acute myeloid leukemia SKM-1 cells CVCL_0098
Experiment 34 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Negative CD33 expression (CD33-)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Leukemia KOPN-8 cells CVCL_1866
Experiment 35 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Negative CD33 expression (CD33-)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Acute megakaryoblastic leukemia CMK-11-5 cells CVCL_0217
Experiment 36 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Negative CD33 expression (CD33-)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Chronic myeloid leukemia KU812 cells CVCL_0379
Experiment 37 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Negative CD33 expression (CD33-)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Acute erythroid leukemia TF-1a cells CVCL_3608
Experiment 38 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 20.00 nM Negative CD33 expression (CD33-)
Method Description
The cells, at a predetermined concentration, were plated into 96 well plates, and, after overnight incubation at 37°C/5% CO2, serial dilutions of each test article (TA) were added to the cells. Cells were incubated with test articles for 72 hours. and viability was detected with CellTiter-Gloreagent.
In Vitro Model Acute myeloid leukemia GDM-1 cells CVCL_1230
References
Ref 1 Neodegrader conjugates; 2021-10-07.

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