General Information of This Antibody
Antibody ID
ANI0OYZYC
Antibody Name
OR000213
Antibody Type
Monoclonal antibody (mAb)
Antibody Subtype
Humanized IgG
Antigen Name
Myeloid cell surface antigen CD33 (CD33)
 Antigen Info 
Each Antibody-drug Conjugate Related to This Antibody
Full Information of The Activity Data of The ADC(s) Related to This Antibody
OR000213-Compound (la) DAR 1.2 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 32.00% (Day 24) Positive CD33 expression (CD33+++/++)
Method Description
HL-60 human AML fragments were implanted subcutaneously in theright flank of the mice. Mice were divided into 4 treatment groups (N=8/group), as follows: trastuzumab-Compound (la) conjugate (5 mg/kg, iv, qd x 1); OR000213-Compound (la) conjugate (1 mg/kg, iv, qd x 1); OR000213-Compound (la) conjugate (5 mg/kg, iv, qd x 1).
In Vivo Model HL-60 CDX model
In Vitro Model Adult acute myeloid leukemia HL-60 cells CVCL_0002
Experiment 2 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 52.13% (Day 24) Positive CD33 expression (CD33+++/++)
Method Description
HL-60 human AML fragments were implanted subcutaneously in theright flank of the mice. Mice were divided into 4 treatment groups (N=8/group), as follows: trastuzumab-Compound (la) conjugate (5 mg/kg, iv, qd x 1); rituximab-Compound (la) conjugate (1 mg/kg, iv, qd x 1); rituximab-Compound (la) conjugate (5 mg/kg, iv, qd x 1).
In Vivo Model HL-60 CDX model
In Vitro Model Adult acute myeloid leukemia HL-60 cells CVCL_0002
Revealed Based on the Cell Line Data
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
19.00 pM
Positive CD20 expression (CD20+++/++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Adult acute myeloid leukemia HL-60 cells CVCL_0002
OR000213-Compound(la) DAR 8 [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
4.40 pM
Positive CD20 expression (CD20+++/++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Adult acute myeloid leukemia HL-60 cells CVCL_0002
OR000213-Compound(la) DAR 1.8 [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 18 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
11.10 pM
Positive CD33 expression (CD33+++/++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Adult acute myeloid leukemia PLB-985 cells CVCL_2162
Experiment 2 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
12.30 pM
Positive CD33 expression (CD33+++/++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Acute myeloid leukemia AML-193 cells CVCL_1071
Experiment 3 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
14.00 pM
Positive CD33 expression (CD33+++/++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Adult acute myeloid leukemia MOLM-13 cells CVCL_2119
Experiment 4 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
15.00 pM
Positive CD33 expression (CD33+++/++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Acute myeloid leukemia OCI-AML-5 cells CVCL_1620
Experiment 5 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
15.10 pM
Positive CD33 expression (CD33+++/++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Leukemia KOPN-8 cells CVCL_1866
Experiment 6 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
18.00 pM
Positive CD33 expression (CD33+++/++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Adult acute myeloid leukemia OCI-AML-1 cells CVCL_5228
Experiment 7 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
18.50 pM
Positive CD33 expression (CD33+++/++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Acute myeloid leukemia SKM-1 cells CVCL_0098
Experiment 8 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
24.00 pM
Positive CD20 expression (CD20+++/++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Adult acute myeloid leukemia HL-60 cells CVCL_0002
Experiment 9 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
26.30 pM
Positive CD33 expression (CD33+++/++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Acute myeloid leukemia ML-2 cells CVCL_1418
Experiment 10 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
26.40 pM
Positive CD33 expression (CD33+++/++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Childhood acute monocytic leukemia MV4-11 cells CVCL_0064
Experiment 11 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
28.90 pM
Positive CD33 expression (CD33+++/++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Adult acute myeloid leukemia SKNO-1 cells CVCL_2196
Experiment 12 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
51.80 pM
Positive CD33 expression (CD33+++/++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Chronic eosinophilic leukemia EoL-1 cells CVCL_0258
Experiment 13 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
53.60 pM
Positive CD33 expression (CD33+++/++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Acute myeloid leukemia HNT-34 cells CVCL_2071
Experiment 14 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
54.50 pM
Positive CD33 expression (CD33+++/++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Acute myeloid leukemia OCI-AML-4 cells CVCL_5224
Experiment 15 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
56.50 pM
Positive CD33 expression (CD33+++/++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Adult acute myeloid leukemia OCI-AML-2 cells CVCL_1619
Experiment 16 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
71.20 pM
Positive CD33 expression (CD33+++/++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Adult acute myeloid leukemia OCI-AML-6 cells CVCL_5226
Experiment 17 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
72.40 pM
Positive CD33 expression (CD33+++/++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Myelodysplastic syndrome F-36P cells CVCL_2037
Experiment 18 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
96.40 pM
Positive CD33 expression (CD33+++/++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Acute myeloid leukemia Kasumi-6 cells CVCL_0614
OR000213-Compound(la) DAR 2.3 [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
16.00 pM
Positive CD20 expression (CD20+++/++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Adult acute myeloid leukemia HL-60 cells CVCL_0002
References
Ref 1 Neodegrader conjugates; 2021-10-07.

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