General Information of This Antibody
Antibody ID
ANI0VYDTW
Antibody Name
Anti-MSLN scFv
Antibody Type
Monoclonal antibody (mAb)
Antibody Subtype
Humanized IgG scFv
Antigen Name
Mesothelin (MSLN)
 Antigen Info 
Each Antibody-drug Conjugate Related to This Antibody
Full Information of The Activity Data of The ADC(s) Related to This Antibody
LMB-100 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 5 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 71.43% (Day 6) Positive MSLN expression (MSLN +++/++)
Method Description
In vivo efficacy of LMB-100 and LMB-164 in an SW48 mouse xenograft model was evaluated. LMB-100 was administered i.v. at 2.5 mg/kg dose every other day for 6 days for two cycles with three days in between cycles.
In Vivo Model SW48 CDX model
In Vitro Model Colon adenocarcinoma SW48 cells CVCL_1724
Experiment 2 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 81.60% (Day 15) Positive MSLN expression (MSLN +++/++)
Method Description
Female nude mice were inoculated subcutaneously with SW48 cells in the right flank and underwent treatment beginning 10 days post inoculation. The model was treated with LMB-100 (2.5 mg/kg).
In Vivo Model SW48 CDX model
In Vitro Model Colon adenocarcinoma SW48 cells CVCL_1724
Experiment 3 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 86.30% (Day 9) Positive MSLN expression (MSLN +++/++)
Method Description
Female nude mice were inoculated subcutaneously with SW48 cells in the right flank and underwent treatment beginning 10 days post inoculation. The model was treated with LMB-100 (2.5 mg/kg).
In Vivo Model SW48 CDX model
In Vitro Model Colon adenocarcinoma SW48 cells CVCL_1724
Experiment 4 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 88.70% (Day 9) Positive MSLN expression (MSLN +++/++)
Method Description
Female nude mice were inoculated subcutaneously with SW48 cells in the right flank and underwent treatment beginning 10 days post inoculation. The model was treated with LMB-100 (2.5 mg/kg) in combination with Oxaliplatin.
In Vivo Model SW48 CDX model
In Vitro Model Colon adenocarcinoma SW48 cells CVCL_1724
Experiment 5 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 92.28% (Day 15) Positive MSLN expression (MSLN +++/++)
Method Description
Female nude mice were inoculated subcutaneously with SW48 cells in the right flank and underwent treatment beginning 10 days post inoculation. The model was treated with LMB-100 (2.5 mg/kg) in combination with Actinomycin D (0.3 mg/kg).
In Vivo Model SW48 CDX model
In Vitro Model Colon adenocarcinoma SW48 cells CVCL_1724
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)
0.55 ng/mL±0.06 ng/mL
Positive MSLN expression (MSLN +++/++)
Method Description
KLM-1 pancreatic adenocarcinoma cells were treated with indicated concentrations of LMB-12, LMB-100, or LMB-164 anti-MSLN targeted RITs for 72 hours before WST-8 assay of cell viability.
In Vitro Model Pancreatic ductal adenocarcinoma KLM-1 cells CVCL_5146
LMB-164 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 78.15% (Day 6) Positive MSLN expression (MSLN +++/++)
Method Description
In vivo efficacy of LMB-100 and LMB-164 in an SW48 mouse xenograft model was evaluated. LMB-100 was administered i.v. at 2.5 mg/kg dose every other day for 6 days for two cycles with three days in between cycles.
In Vivo Model SW48 CDX model
In Vitro Model Colon adenocarcinoma SW48 cells CVCL_1724
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)
0.38 ng/mL±0.08 ng/mL
Positive MSLN expression (MSLN +++/++)
Method Description
KLM-1 pancreatic adenocarcinoma cells were treated with indicated concentrations of LMB-12, LMB-100, or LMB-164 anti-MSLN targeted RITs for 72 hours before WST-8 assay of cell viability.
In Vitro Model Pancreatic ductal adenocarcinoma KLM-1 cells CVCL_5146
LMB-12 [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)
0.17 ng/mL±0.08 ng/mL
Positive MSLN expression (MSLN +++/++)
Method Description
KLM-1 pancreatic adenocarcinoma cells were treated with indicated concentrations of LMB-12, LMB-100, or LMB-164 anti-MSLN targeted RITs for 72 hours before WST-8 assay of cell viability.
In Vitro Model Pancreatic ductal adenocarcinoma KLM-1 cells CVCL_5146
References
Ref 1 Anti-Mesothelin Recombinant Immunotoxin Therapy for Colorectal Cancer. Clin Colorectal Cancer. 2019 Sep;18(3):192-199.e1. doi: 10.1016/j.clcc.2019.06.006. Epub 2019 Jul 2.

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