General Information of This Payload
Payload ID
PAY0EIKEW
Name
aHer2- (AL7-LP7)<sub>3.70</sub> Payload
Synonyms
aHer2- (AL7-LP7)<sub>3.70</sub> Payload
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Structure
Formula
C36H36FN5O7
Isosmiles
CC[C@@](C(C=C1C2=NC3=CC(F)=C(C)C(CC[C@@H]4NC(COCNC([C@@H](N)CC5=CC=CC=C5)=O)=O)=C3C4=C2CN61)=C(C6=O)CO7)(O)C7=O
InChI
InChI=1S/C36H36FN5O7/c1-3-36(47)23-12-28-32-21(14-42(28)34(45)22(23)15-49-35(36)46)31-26(10-9-20-18(2)24(37)13-27(41-32)30(20)31)40-29(43)16-48-17-39-33(44)25(38)11-19-7-5-4-6-8-19/h4-8,12-13,25-26,47H,3,9-11,14-17,38H2,1-2H3,(H,39,44)(H,40,43)/t25-,26-,36-/m0/s1
InChIKey
SVRMYYAQPOCPJM-NNLWJYRWSA-N
Pharmaceutical Properties
Molecule Weight
669.71
Polar area
174.87
Complexity
2042.178385
xlogp Value
2.29092
Heavy Count
49
Rot Bonds
9
Hbond acc
10
Hbond Donor
4
Each Antibody-drug Conjugate Related to This Payload
Full Information of The Activity Data of The ADC(s) Related to This Payload
aHer2- (AL7-LP7)3.70 [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 4 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
0.303 nM
Positive HER2 expression (HER2+++/++)
Method Description
Cells were seeded in their growth media into 96 well plates (Thermo #136101) one day prior to adding ADCs: 1000/well SK-BR-3 cells in 80 uL media (target positive cells). 20ul assay media diluted ADC/ isotype conjugates (1:4 10 pts starting from 100uM) as well as free drug were transferred to above cells. The plates were incubated at 37°C, 5% CO2 for 6 days.

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In Vitro Model Breast adenocarcinoma SK-BR-3 cells CVCL_0033
Experiment 2 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
0.581 nM
Positive HER2 expression (HER2+++/++)
Method Description
Cells were seeded in their growth media into 96 well plates (Thermo #136101) one day prior to adding ADCs: 1000/well Calu-3 in 80 uL media (target positive cells). 20ul assay media diluted ADC/ isotype conjugates (1:4 10 pts starting from 100uM) as well as free drug were transferred to above cells. The plates were incubated at 37°C, 5% CO2 for 6 days.

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In Vitro Model Lung adenocarcinoma Calu-3 cells CVCL_0609
Experiment 3 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
2.04 nM
Positive HER2 expression (HER2+++/++)
Method Description
Cells were seeded in their growth media into 96 well plates (Thermo #136101) one day prior to adding ADCs: 1000/well NCI-N87 cells in 80 uL media (target positive cells). 20ul assay media diluted ADC/ isotype conjugates (1:4 10 pts starting from 100uM) as well as free drug were transferred to above cells. The plates were incubated at 37°C, 5% CO2 for 6 days.

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In Vitro Model Gastric tubular adenocarcinoma NCI-N87 cells CVCL_1603
Experiment 4 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
81.6 nM
Negative HER2 expression (HER2-)
Method Description
Cells were seeded in their growth media into 96 well plates (Thermo #136101) one day prior to adding ADCs: 800/well NCI-H1975 cells in 80ul media (target negative cells). 20ul assay media diluted ADC/ isotype conjugates (1:4 10 pts starting from 100uM) as well as free drug were transferred to above cells. The plates were incubated at 37°C, 5% CO2 for 6 days.

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In Vitro Model Lung adenocarcinoma NCI-H1975 cells CVCL_1511
FelD1- (AL7-LP7)3.68 [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 4 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
21.1 nM
Positive HER2expression (HER2+++/++)
Method Description
Cells were seeded in their growth media into 96 well plates (Thermo #136101) one day prior to adding ADCs: 1000/well SK-BR-3 cells in 80 uL media (target positive cells). 20ul assay media diluted ADC/ isotype conjugates (1:4 10 pts starting from 100uM) as well as free drug were transferred to above cells. The plates were incubated at 37°C, 5% CO2 for 6 days.

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In Vitro Model Breast adenocarcinoma SK-BR-3 cells CVCL_0033
Experiment 2 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
31.5 nM
Positive HER2expression (HER2+++/++)
Method Description
Cells were seeded in their growth media into 96 well plates (Thermo #136101) one day prior to adding ADCs: 1000/well Calu-3 in 80 uL media (target positive cells). 20ul assay media diluted ADC/ isotype conjugates (1:4 10 pts starting from 100uM) as well as free drug were transferred to above cells. The plates were incubated at 37°C, 5% CO2 for 6 days.

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In Vitro Model Lung adenocarcinoma Calu-3 cells CVCL_0609
Experiment 3 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
51.69 nM
Positive HER2expression (HER2+++/++)
Method Description
Cells were seeded in their growth media into 96 well plates (Thermo #136101) one day prior to adding ADCs: 1000/well NCI-N87 cells in 80 uL media (target positive cells). 20ul assay media diluted ADC/ isotype conjugates (1:4 10 pts starting from 100uM) as well as free drug were transferred to above cells. The plates were incubated at 37°C, 5% CO2 for 6 days.

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In Vitro Model Gastric tubular adenocarcinoma NCI-N87 cells CVCL_1603
Experiment 4 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
109 nM
Negative HER2 expression (HER2-)
Method Description
Cells were seeded in their growth media into 96 well plates (Thermo #136101) one day prior to adding ADCs: 800/well NCI-H1975 cells in 80ul media (target negative cells). 20ul assay media diluted ADC/ isotype conjugates (1:4 10 pts starting from 100uM) as well as free drug were transferred to above cells. The plates were incubated at 37°C, 5% CO2 for 6 days.

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In Vitro Model Lung adenocarcinoma NCI-H1975 cells CVCL_1511
References
Ref 1 Prodrugs of topoisomerase I inhibitor for ADC conjugations and methods of use thereof