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Disitamab vedotin Sale

(Synonyms: DISITAMABVEDOTIN(纬迪西妥单抗),RC48) 目录号 : GC64039

Disitamab vedotin (RC48) 是一种抗体-药物偶联物 (ADC),包含抗人表皮生长因子受体2 (HER2) 的单克隆抗体,该单克隆抗体通过可降解连接子结合到细胞毒性剂 MMAE。Disitamab vedotin 增强抗肿瘤免疫。

Disitamab vedotin Chemical Structure

Cas No.:2136633-23-1

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产品描述

Disitamab vedotin (RC48) is an antibody-drug conjugate (ADC) comprising a monoclonal antibody against human epidermal growth factor receptor 2 (HER2) conjugated via a cleavable linker to the cytotoxic agent Monomethyl auristatin E (MMAE). Disitamab vedotin enhances antitumor immunity[1].

The antibody part was a humanized monoclonal antibody targeting HER2, the small molecule toxin was monomethyl auristatin E (MMAE), a synthetic antineoplastic agent. A protease cleavable linker covalently attached MMAE to the antibody[2].

[1]. Deeks ED. Disitamab Vedotin: First Approval. Drugs. 2021;81(16):1929-1935.
[2]. Jiang J, et al. Preclinical safety profile of disitamab vedotin:a novel anti-HER2 antibody conjugated with MMAE. Toxicol Lett. 2020;324:30-37.

Chemical Properties

Cas No. 2136633-23-1 SDF Download SDF
别名 DISITAMABVEDOTIN(纬迪西妥单抗),RC48
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Research Update

Disitamab vedotin: First Approval

Drugs 2021 Nov;81(16):1929-1935.PMID:34661865DOI:10.1007/s40265-021-01614-x.

Disitamab vedotin (Aidixi®) is an antibody-drug conjugate comprising a monoclonal antibody against human epidermal growth factor receptor 2 (HER2) conjugated via a cleavable linker to the cytotoxic agent monomethyl auristatin E. Disitamab vedotin is being developed by RemeGen for the treatment of solid tumours, including gastric cancer; Seagen has the right to develop Disitamab vedotin globally outside of RemeGen's territory. In June 2021, Disitamab vedotin received its first Biologics License Application (BLA) approval in China for the treatment of patients with HER2-overexpressing (defined as IHC2+ or 3+) locally advanced or metastatic gastric cancer (including gastroesophageal junction adenocarcinoma) who have received at least two systemic chemotherapy regimens. Disitamab vedotin as monotherapy or combination therapy is also in clinical development for the treatment of other solid tumours globally, including urothelial cancer in China and the USA, and biliary tract cancer, non-small cell lung cancer and HER2-positive and HER2-low expressing breast cancer in China. This article summarizes the milestones in the development of Disitamab vedotin leading to this first approval for locally advanced or metastatic gastric cancer.

Disitamab vedotin: a novel antibody-drug conjugates for cancer therapy

Drug Deliv 2022 Dec;29(1):1335-1344.PMID:35506447DOI:10.1080/10717544.2022.2069883.

Human epidermal growth factor receptor 2 (HER2) regulates cell mitosis, proliferation, and apoptosis. Trastuzumab is a HER2-targeted monoclonal antibody (mAB), which can prolong the overall survival rate of patients with HER2 overexpression in later periods of gastric cancer and breast cancer. Although anti-HER2 monoclonal antibody has a curative effect, adjuvant chemotherapy is still necessary to upgrade the curative effect maximumly. Antibody-drug conjugate (ADC) is a kind of therapeutic drug that contains antigen-specific antibody and cytotoxic payload, which can improve the survival time of tumor patients. To date, there are several HER2-ADC products on the market, for which two anti-HER2 ADC (trastuzumab emtansine and trastuzumab deruxtecan) have been authorized by the FDA for distinct types of HER2-positive carcinoma in the breast. Disitamab vedotin (RC48) is a newly developed ADC drug targeting HER2 that is comprised of hertuzumab coupling monomethyl auristatin E (MMAE) via a cleavable linker. This paper aims to offer a general insight and summary of the mechanism of action and the currently completed and ongoing clinical studies of RC-48 in HER-2 positive solid tumors.

Antibodies to watch in 2022

MAbs 2022 Jan-Dec;14(1):2014296.PMID:35030985DOI:10.1080/19420862.2021.2014296.

In this 13th annual installment of the annual 'Antibodies to Watch' article series, we discuss key events in commercial antibody therapeutics development that occurred in 2021 and forecast events that might occur in 2022. Regulatory review of antibody therapeutics that target the SARS-CoV-2 coronavirus proceeded at an unprecedented pace in 2021, resulting in both emergency use authorizations and full approvals for sotrovimab, regdanvimab, REGEN-COV2, as well as others, in numerous countries. As of November 1, a total of 11 antibody therapeutics had been granted first approvals in either the United States or European Union in 2021 (evinacumab, dostarlimab loncastuximab tesirine, amivantamab, aducanumab, tralokinumab, anifrolumab, bimekizumab, tisotumab vedotin, regdanvimab, REGEN-COV2). The first global approvals of seven products, however, were granted elsewhere, including Japan (pabinafusp alfa), China (Disitamab vedotin, penpulimab, zimberelimab), Australia (sotrovimab, REGEN-COV2), or the Republic of Korea (regdanvimab). Globally, at least 27 novel antibody therapeutics are undergoing review by regulatory agencies. First actions by the Food and Drug Administration on the biologics license applications for faricimab, sutimlimab, tebentafusp, relatlimab, sintilimab, ublituximab and tezepelumab are expected in the first quarter of 2022. Finally, our data show that, with antibodies for COVID-19 excluded, the late-stage commercial clinical pipeline of antibody therapeutics grew by over 30% in the past year. Of those in late-stage development, marketing applications for at least 22 may occur by the end of 2022.

Disitamab vedotin, a novel HER2-directed antibody-drug conjugate in gastric cancer and other solid tumors

Drugs Today (Barc) 2022 Oct;58(10):491-507.PMID:36305543DOI:10.1358/dot.2022.58.10.3408812.

Antibody-drug conjugates (ADC), a combination of cytotoxic drugs and antibodies, have emerged as a rising star in cancer therapy. Disitamab vedotin (RC48), a novel ADC targeting human epidermal growth factor receptor 2 (HER2), is currently being explored in a variety of malignancies. Compared with conventional HER2-targeting agents, RC48 is characterized by a wider therapeutic window and less toxicity to normal tissues. In this review, we will analyze the structural elements and mechanisms of RC48. Besides, we provide a landscape on the progression of RC48 in common malignancies, focusing on RC48 in gastric or gastroesophageal junction cancer, and a brief overview of urothelial, breast and other cancers (e.g., gynecological cancer, biliary tract cancer, non-small cell lung cancer and myometrial invasive bladder cancer). Finally, we will also discuss future challenges in the development of RC48 and future directions to improve efficacy.

Preclinical safety profile of Disitamab vedotin:a novel anti-HER2 antibody conjugated with MMAE

Toxicol Lett 2020 May 15;324:30-37.PMID:31877330DOI:10.1016/j.toxlet.2019.12.027.

The HER2 pathway plays a pivotal role in cell proliferation and differentiation, while the receptor overexpression caused by amplification of HER2 gene is associated with the growth of several tumors. Previously published clinical trials have demonstrated that antibody-conjugated drugs (ADCs) remarkably improved clinical effects compared with antibodies alone for the same target. In order to provide more effective drugs, we developed Disitamab vedotin based on ADC. The antibody part was a humanized monoclonal antibody targeting HER2, the small molecule toxin was monomethyl auristatin E (MMAE), a synthetic antineoplastic agent. A protease cleavable linker covalently attached MMAE to the antibody. In this study, we characterized the toxicity profile of Disitamab vedotin through single- and repeat-dose toxicity studies in monkeys. The toxicities of small molecules and naked antibody (Disitamab) were also assessed in these studies. Monkeys were well tolerated with Disitamab vedotin at doses of 6 mg/kg, while equivalent MMAEs resulted in severe myelosuppression. This finding proves that ADCs improve the therapeutic effect. In addition, the safety profiles of Disitamab vedotin and MMAE were similar and consistent with the activation mechanism of MMAE. Toxicology finding included bone marrow/hematology toxicity and lymphoid organ toxicity, while no significant toxicity was observed in animals treated with naked antibody. These side effects were found to be consistent with data acquired from clinical phase I/II patients treated with Disitamab vedotin.