General Information of This Antibody-drug Conjugate (ADC)
ADC ID
DRG0QEAUM
ADC Name
RG7787
Synonyms
RG 7787; RG-7787
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Drug Status
Investigative
Indication
In total 4 Indication(s)
Epidermoid cancer [ICD11:XH4CR9]
Investigative
Pancreatic cancer [ICD11:2C10]
Investigative
Pleural mesothelioma [ICD11:2C26]
Investigative
Triple negative breast cancer [ICD11:2C60-2C65]
Investigative
Antibody Name
Anti-MSLN Anti-ody Fab fragment
 Antibody Info 
Antigen Name
Mesothelin (MSLN)
 Antigen Info 
Payload Name
Pseudomonas exotoxin PE24
 Payload Info 
Therapeutic Target
Eukaryotic elongation factor 2 (EEF2)
 Target Info 
Linker Name
Undisclosed
General Information of The Activity Data Related to This ADC
Revealed Based on the Cell Line Data
Click To Hide/Show 24 Activity Data Related to This Level
Standard Type Value Units Cell Line Disease Model
Half Maximal Inhibitory Concentration (IC50) 
0.1
ng/mL
A-431 cells
Skin squamous cell carcinoma
Half Maximal Inhibitory Concentration (IC50) 
0.4
ng/mL
HCC70 cells
Breast ductal carcinoma
Half Maximal Inhibitory Concentration (IC50) 
0.7
ng/mL
AsPC-1 cells
Pancreatic ductal adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
1
ng/mL
SUM149PT cells
Breast carcinoma
Half Maximal Inhibitory Concentration (IC50) 
1.5
ng/mL
A-431 cells
Skin squamous cell carcinoma
Half Maximal Inhibitory Concentration (IC50) 
1.5
ng/mL
HAY cells
Peritoneal malignant mesothelioma
Half Maximal Inhibitory Concentration (IC50) 
2
ng/mL
KLM-1 cells
Pancreatic ductal adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
2
ng/mL
KB cells
Human papillomavirus-related endocervical adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
2
ng/mL
A-431 cells
Skin squamous cell carcinoma
Half Maximal Inhibitory Concentration (IC50) 
3
ng/mL
L55S cells
Undisclosed
Half Maximal Inhibitory Concentration (IC50) 
3.7
ng/mL
KLM-1 cells
Pancreatic ductal adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
4
ng/mL
HCC70 cells
Breast ductal carcinoma
Half Maximal Inhibitory Concentration (IC50) 
5
ng/mL
HAY cells
Peritoneal malignant mesothelioma
Half Maximal Inhibitory Concentration (IC50) 
6
ng/mL
KB cells
Human papillomavirus-related endocervical adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
8
ng/mL
KLM-1 cells
Pancreatic ductal adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
10
ng/mL
L55S cells
Undisclosed
Half Maximal Inhibitory Concentration (IC50) 
11
ng/mL
A-431 cells
Skin squamous cell carcinoma
Half Maximal Inhibitory Concentration (IC50) 
11
ng/mL
HAY cells
Peritoneal malignant mesothelioma
Half Maximal Inhibitory Concentration (IC50) 
11
ng/mL
KLM-1 cells
Pancreatic ductal adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
11
ng/mL
SUM149PT cells
Breast carcinoma
Half Maximal Inhibitory Concentration (IC50) 
35
ng/mL
HAY cells
Peritoneal malignant mesothelioma
Half Maximal Inhibitory Concentration (IC50) 
40
ng/mL
KB cells
Human papillomavirus-related endocervical adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
40
ng/mL
AsPC-1 cells
Pancreatic ductal adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
> 100
ng/mL
KB cells
Human papillomavirus-related endocervical adenocarcinoma
Full List of Activity Data of This Antibody-drug Conjugate
Revealed Based on the Cell Line Data
Click To Hide/Show 24 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 0.10 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity by combination with DDR1 inhibitor 7rh in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model Skin squamous cell carcinoma A-431 cells CVCL_0037
Experiment 2 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 0.40 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity by combination with DDR1 inhibitor 7rh in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model Breast ductal carcinoma HCC70 cells CVCL_1270
Experiment 3 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 0.70 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity by combination with DDR1 siRNA in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model Pancreatic ductal adenocarcinoma AsPC-1 cells CVCL_0152
Experiment 4 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 1.00 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity by combination with DDR1 inhibitor 7rh in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model Breast carcinoma SUM149PT cells CVCL_3422
Experiment 5 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 1.50 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity by combination with DDR1 siRNA in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model Skin squamous cell carcinoma A-431 cells CVCL_0037
Experiment 6 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 1.50 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity by combination with DDR1 siRNA in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model Peritoneal malignant mesothelioma HAY cells CVCL_N813
Experiment 7 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 2.00 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity by combination with DDR1 inhibitor 7rh in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model Pancreatic ductal adenocarcinoma KLM-1 cells CVCL_5146
Experiment 8 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 2.00 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity by combination with DDR1 siRNA in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
Experiment 9 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 2.00 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model Skin squamous cell carcinoma A-431 cells CVCL_0037
Experiment 10 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 3.00 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity by combination with DDR1 inhibitor 7rh in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model . L55S cells Homo sapiens
Experiment 11 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 3.70 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity by combination with DDR1 siRNA in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model Pancreatic ductal adenocarcinoma KLM-1 cells CVCL_5146
Experiment 12 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 4.00 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model Breast ductal carcinoma HCC70 cells CVCL_1270
Experiment 13 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 5.00 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity by combination with DDR1 inhibitor 7rh in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model Peritoneal malignant mesothelioma HAY cells CVCL_N813
Experiment 14 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 6.00 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity by combination with DDR1 inhibitor 7rh in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
Experiment 15 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 8.00 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity by combination with control si in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model Pancreatic ductal adenocarcinoma KLM-1 cells CVCL_5146
Experiment 16 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 10.00 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model . L55S cells Homo sapiens
Experiment 17 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 11.00 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity by combination with control si in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model Skin squamous cell carcinoma A-431 cells CVCL_0037
Experiment 18 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 11.00 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity by combination with control si in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model Peritoneal malignant mesothelioma HAY cells CVCL_N813
Experiment 19 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 11.00 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model Pancreatic ductal adenocarcinoma KLM-1 cells CVCL_5146
Experiment 20 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 11.00 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model Breast carcinoma SUM149PT cells CVCL_3422
Experiment 21 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 35.00 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model Peritoneal malignant mesothelioma HAY cells CVCL_N813
Experiment 22 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 40.00 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity by combination with control si in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
Experiment 23 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 40.00 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity by combination with control si in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model Pancreatic ductal adenocarcinoma AsPC-1 cells CVCL_0152
Experiment 24 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 100 ng/mL Positive MSLN expression (MSLN+++/++)
Method Description
RG7787 activity in MSLN-expressing cell lines. Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted antibodies (0-167 nM in starvation medium) for 1 h.
In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
References
Ref 1 Anticancer Effects of Mesothelin-Targeted Immunotoxin Therapy Are Regulated by Tyrosine Kinase DDR1. Cancer Res. 2016 Mar 15;76(6):1560-8. doi: 10.1158/0008-5472.CAN-15-2401. Epub 2015 Dec 30.

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