General Information of This Antibody-drug Conjugate (ADC)
ADC ID
DRG0QCIPJ
ADC Name
rcEDB-ADC
Synonyms
RcEDB ADC; rcEDBADC
   Click to Show/Hide
Drug Status
Investigative
Indication
In total 5 Indication(s)
Breast cancer [ICD11:2C60-2C65]
Investigative
Head and neck cancer [ICD11:2B60-2B6E]
Investigative
Non-small cell lung cancer [ICD11:2C25]
Investigative
Ovarian cancer [ICD11:2C73]
Investigative
Pancreatic cancer [ICD11:2C10]
Investigative
Drug-to-Antibody Ratio
3.4
Structure
Antibody Name
Reverse chimeric (rc) Anti-EDB-FN L19
 Antibody Info 
Antigen Name
Fibronectin (FN1)
 Antigen Info 
Payload Name
Auristatin 0101
 Payload Info 
Therapeutic Target
Microtubule (MT)
 Target Info 
Linker Name
Mc-Val-Cit-PABC
 Linker Info 
Conjugate Type
Site-specific conjugated of maleimidocaproyl with cysteine free thiol via Michael addition.
Combination Type
Pelidotin
General Information of The Activity Data Related to This ADC
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 4 Activity Data Related to This Level
Standard Type Value Units Cell Line Disease Model
Tumor Growth Inhibition value (TGI) 
≈ 69.7
%
EMT6 cells
Mammary gland malignant neoplasms
Tumor Growth Inhibition value (TGI) 
≈ 69.7
%
EMT6 cells
Mammary gland malignant neoplasms
Tumor Growth Inhibition value (TGI) 
≈ 69.7
%
EMT6 cells
Mammary gland malignant neoplasms
Tumor Growth Inhibition value (TGI) 
≈ 95.3
%
EMT6 cells
Mammary gland malignant neoplasms
Full List of Activity Data of This Antibody-drug Conjugate
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 4 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 69.70% (Day 18) High FN1 expression (FN1+++)
Method Description
For studies using the mouse syngeneic cell line EMT6, 8-week-old Balb/c mice were injected in the left mammary fat pad with 1 x106 cells suspended in DPBS. Tumors were measured at least twice/week. This tumor model was injected intravenously with rcEDB-ADC 9 mg/kg single.
In Vivo Model Breast cancer CDX model
In Vitro Model Mammary gland malignant neoplasms EMT6 cells CVCL_1923
Experiment 2 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 69.70% (Day 18) High FN1 expression (FN1+++)
Method Description
For studies using the mouse syngeneic cell line EMT6, 8-week-old Balb/c mice were injected in the left mammary fat pad with 1 x106 cells suspended in DPBS. Tumors were measured at least twice/week. This tumor model was injected intravenously with rcEDB-ADC 3 mg/kg q4dx3.
In Vivo Model Breast cancer CDX model
In Vitro Model Mammary gland malignant neoplasms EMT6 cells CVCL_1923
Experiment 3 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 69.70% (Day 18) High FN1 expression (FN1+++)
Method Description
For studies using the mouse syngeneic cell line EMT6, 8-week-old Balb/c mice were injected in the left mammary fat pad with 1 x106 cells suspended in DPBS. Tumors were measured at least twice/week. This tumor model was injected intravenously with rcEDB-ADC 1.5 mg/kg q4dx3.
In Vivo Model Breast cancer CDX model
In Vitro Model Mammary gland malignant neoplasms EMT6 cells CVCL_1923
Experiment 4 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 95.30% (Day 18) High FN1 expression (FN1+++)
Method Description
For studies using the mouse syngeneic cell line EMT6, 8-week-old Balb/c mice were injected in the left mammary fat pad with 1 x106 cells suspended in DPBS. Tumors were measured at least twice/week. This tumor model was injected intravenously with rcEDB-ADC 4.5 mg/kg q4dx2.
In Vivo Model Breast cancer CDX model
In Vitro Model Mammary gland malignant neoplasms EMT6 cells CVCL_1923
References
Ref 1 Anti-Extra Domain B Splice Variant of Fibronectin Antibody-Drug Conjugate Eliminates Tumors with Enhanced Efficacy When Combined with Checkpoint Blockade. Mol Cancer Ther. 2022 Sep 6;21(9):1462-1472.

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