General Information of This Antibody-drug Conjugate (ADC)
ADC ID
DRG0ZMDPX
ADC Name
ITcetuximab
Synonyms
ITcetuximab; IT cetuximab
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Drug Status
Investigative
Indication
In total 1 Indication(s)
Lung cancer [ICD11:2C25]
Investigative
Drug-to-Antibody Ratio
1-2
Antibody Name
Cetuximab
 Antibody Info 
Antigen Name
Epidermal growth factor receptor (EGFR)
 Antigen Info 
Payload Name
Saporin
 Payload Info 
Therapeutic Target
Microtubule (MT)
 Target Info 
Linker Name
Undisclosed
General Information of The Activity Data Related to This ADC
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Standard Type Value Units Cell Line Disease Model
Tumor Growth Inhibition value (TGI) 
≈ 85
%
A-549 cells
Lung adenocarcinoma
Revealed Based on the Cell Line Data
Click To Hide/Show 3 Activity Data Related to This Level
Standard Type Value Units Cell Line Disease Model
Half Maximal Inhibitory Concentration (IC50) 
0.36
nM
A-431 cells
Skin squamous cell carcinoma
Half Maximal Inhibitory Concentration (IC50) 
0.77
nM
A-549 cells
Lung adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
> 10
nM
MCF-7 cells
Invasive breast carcinoma
Full List of Activity Data of This Antibody-drug Conjugate
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) ≈ 85.00% (Day 16) Positive EGFR expression (EGFR +++/++)
Method Description
Mice were injected intraperitoneally with 3 mg/kg of ITcetuximab, and 2days later,2 h after the administration of NPe6 (5 mg/kg) via the tail vein, the tumors were irradiated with a 664 nm laser at a dose of 30 J/cm2 from the diode laser unit.
In Vivo Model A549 CDX model
In Vitro Model Lung adenocarcinoma A-549 cells CVCL_0023
Revealed Based on the Cell Line Data
Click To Hide/Show 3 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 0.36 nM High EGFR expression (EGFR +++)
Method Description
Cancer cell lines were incubated with compounds for 72 h. IC50 was evaluated from the sigmoid curve obtained using the curvefitting tool of the ImageJ software.
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) 0.77 nM Positive EGFR expression (EGFR +++/++)
Method Description
Cancer cell lines were incubated with compounds for 72 h. IC50 was evaluated from the sigmoid curve obtained using the curvefitting tool of the ImageJ software.
In Vitro Model Lung adenocarcinoma A-549 cells CVCL_0023
Experiment 3 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 10.00 nM Low EGFR expression (EGFR +)
Method Description
Cancer cell lines were incubated with compounds for 72 h. IC50 was evaluated from the sigmoid curve obtained using the curvefitting tool of the ImageJ software.
In Vitro Model Invasive breast carcinoma MCF-7 cells CVCL_0031
References
Ref 1 Development of a new minimally invasive phototherapy for lung cancer using antibody-toxin conjugate. Thorac Cancer. 2023 Mar;14(7):645-653. doi: 10.1111/1759-7714.14776. Epub 2023 Jan 19.

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