TAbS







Trastuzumab rezetecan Regulatory review ADC

Antibody Information

Entry ID 1279
INN Trastuzumab rezetecan
Status Regulatory review
Drug code(s) SHR-A1811
Brand name None
mAb sequence source mAb humanized
General Molecular Category ADC
Format, general category Full length Ab conjugate
Format details None
Isotype (Fc) IgG1
Light chain isotype kappa
Linker Undisclosed
Ave. DAR 5.3 to 6.4
Conjugated/fused moiety Topoisomerase I inhibitor, SHR9265
Discovery method/technology None

Therapeutic information

Target(s) HER2
Indications of clinical studies Gynecological malignancies, HER2+ Gastric Cancer/Gastroesophageal Junction Adenocarcinoma, Breast cancer, non-small cell lung cancer, gastric cancer or colorectal cancer, solid tumors
Primary therapeutic area Cancer

Development stage information


Most advanced stage of development (global) Regulatory review China
Status Active
Start of clinical phase (IND filing or first Phase 1) September 03, 2020
Start of Phase 2
Start of Phase 3 July 29, 2022
Date BLA/NDA submitted to FDA
Year of first approval (global) None
Date of first US approval
INN, US product name None
US or EU approved indications None

Company information

Company Jiangsu HengRui Medicine Co. Ltd.
Licensee/Partner Suzhou Suncadia Biopharmaceuticals Co. Ltd.
Comments about company or candidate Sep 2024: Suzhou Suncadia Biopharmaceuticals Co. Ltd. submits NDA for HER2-mutant NSCLC to NMPA that is accepted on Sep 14, 2024. NCT06430437 / CTR20241861 in NSCLC not yet recruiting. NCT06199973 Phase 3 in colorectal cancer started in Mar 2024. NCT06123494 Phase 3 in HER2-positive Advanced Gastric Cancer or Gastroesophageal Junction Adenocarcinoma started in Jan 2024 NCT06057610 Phase 3 in breast cancer not yet recruiting Phase 3 studies for Breast cancer (NCT05424835 is recruiting as of August 10, 2022, NCT05814354 is not yet recruiting as of April 14, 2023. April 10, 2023 press release "Breakthrough Therapy Designations were granted to SHR-A1811 by the China National Medical and Products Administration for three indications, which include: For the treatment of HER2-mutant, advanced NSCLC after platinum-based chemotherapy; For the treatment of HER2-positive, recurrent or metastatic breast cancer; For the treatment of HER2-low, recurrent or metastatic breast cancer" https://www.hengrui.com/en/media/detail-320.html NCT05424835 is a Phase 3 study in breast cancer started in July 2022. NCT04818333 is a Phase I/II Clinical Study of the Safety, Tolerability, Pharmacokinetics, and Efficacy of SHR-A1811 for Injection in Subjects With Advanced Non-small Cell Lung Cancer Who Have HER2 Expression , Amplification, or Mutation due to start in April 2021. NCT04446260 is a Phase 1 study in solid tumors. NCT04513223 is a Phase 1 study of the Safety, Tolerability, Pharmacokinetics, and Antitumour Activity of SHR-A1811, in Patients With HER2-expressing Advanced Gastric or Gastroesophageal Junction Adenocarcinoma and Colorectal Cancer. July 2020: Hengrui Pharmaceuticals received the "Drug Clinical Trial Approval Notice" approved and issued by the National Medical Products Administration, approving the company's innovative drug SHR-A1811 for injection to carry out clinical trials for the treatment of advanced solid tumors with HER2 expression or mutation.
Full address of company Lianyungang, Jiangsu Province, China.
Asia
China
https://www.hengrui.com/en/about.html

Description/comment

SHR-A1811 for injection is a HER2 antibody drug conjugate (ADC) independently developed by Hengrui Medicine. Trastuzumab conjugated on an average of 5.3 to 6.4 cysteinyl, with (3RS)-1-[(2R,10S)-10- benzyl-2-cyclopropyl-1-{[(1S,9S)-9-ethyl-5-fluoro-9-hydroxy-4- methyl-10,13-dioxo-2,3,9,10,13,15-hexahydro-1H,12Hbenzo[de]pyrano[3',4':6,7]indolizino[1,2-b]quinolin-1-yl]amino}- 1,6,9,12,15,18-hexaoxo-3-oxa-5,8,11,14,17-pentaazatricosan23-yl]-2,5-dioxopyrrolidin-3-yl (rezetecan) groups

Additional information

Anticipated events None
Factor(s) contributing to discontinuation None