Toripalimab
(Synonyms: 特瑞普利单抗) 目录号 : GC64561
Toripalimab 是首个国产抗肿瘤 PD-1 抗体。Toripalimab 是一种靶向 PD-1 的选择性人源化单克隆抗体。Toripalimab 能够与 PD-1 结合并阻断与其配体相互作用。Toripalimab 具有强效抗肿瘤作用，可用于黑色素瘤、肺癌、消化道肿瘤、肝胆和胰腺肿瘤、神经内分泌肿瘤、鼻咽癌和尿路上皮癌等肿瘤的研究。
Cas No.:1924598-82-2
Sample solution is provided at 25 µL, 10mM.
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Quality Control & SDS
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Purity: >99.00%
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Toripalimab is the first domestic anti-tumor PD-1 antibody in China. Toripalimab is a selective, recombinant, humanized monoclonal antibody against PD-1. Toripalimab is able to bind to PD-1 and block the interaction with its ligands. Toripalimab has exhibited primary anti-tumor effects in tumors such as melanoma, lung cancer, digestive tract tumors, hepatobiliary and pancreatic tumors, neuroendocrine neoplasms, nasopharyngeal carcinoma and urothelial carcinoma[1].
[1]. Lin Zhang, et al. Toripalimab: the First Domestic Anti-Tumor PD-1 Antibody in China. Front Immunol. 2022 Jan 12;12:730666.
| Cas No. | 1924598-82-2 | SDF | Download SDF |
| 别名 | 特瑞普利单抗 | ||
| 分子式 | 分子量 | ||
| 溶解度 | 储存条件 | Store at 2-8°C | |
| General tips | 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液；一旦配成溶液，请分装保存，避免反复冻融造成的产品失效。 储备液的保存方式和期限：-80°C 储存时，请在 6 个月内使用，-20°C 储存时，请在 1 个月内使用。 为了提高溶解度，请将管子加热至37℃，然后在超声波浴中震荡一段时间。 |
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| Shipping Condition | 评估样品解决方案：配备蓝冰进行发货。所有其他可用尺寸：配备RT，或根据请求配备蓝冰。 | ||
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| 给药剂量 | mg/kg |  |
动物平均体重 | g | |
每只动物给药体积 | ul | |
动物数量 | 只 |
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工作液浓度： mg/ml；
DMSO母液配制方法： mg 药物溶于 μL DMSO溶液（母液浓度 mg/mL，
体内配方配制方法：取 μL DMSO母液，加入 μL PEG300，混匀澄清后加入μL Tween 80，混匀澄清后加入 μL saline，混匀澄清。
1. 首先保证母液是澄清的；
2.
一定要按照顺序依次将溶剂加入，进行下一步操作之前必须保证上一步操作得到的是澄清的溶液，可采用涡旋、超声或水浴加热等物理方法助溶。
3. 以上所有助溶剂都可在 GlpBio 网站选购。
Toripalimab or placebo plus chemotherapy as first-line treatment in advanced nasopharyngeal carcinoma: a multicenter randomized phase 3 trial
Nat Med 2021 Sep;27(9):1536-1543.PMID:34341578DOI:10.1038/s41591-021-01444-0.
Gemcitabine-cisplatin (GP) chemotherapy is the standard first-line systemic treatment for recurrent or metastatic nasopharyngeal carcinoma (RM-NPC). In this international, double-blind, phase 3 trial (ClinicalTrials.gov identifier: NCT03581786), 289 patients with RM-NPC and no previous chemotherapy for recurrent or metastatic disease were randomized (1/1) to receive either Toripalimab, a monoclonal antibody against human programmed death-1 (PD-1), or placebo in combination with GP every 3 weeks for up to six cycles, followed by monotherapy with Toripalimab or placebo. The primary endpoint was progression-free survival (PFS) as assessed by a blinded independent review committee according to RECIST v.1.1. At the prespecified interim PFS analysis, a significant improvement in PFS was detected in the Toripalimab arm compared to the placebo arm: median PFS of 11.7 versus 8.0 months, hazard ratio (HR) = 0.52 (95% confidence interval (CI): 0.36-0.74), P = 0.0003. An improvement in PFS was observed across key subgroups, including PD-L1 expression. As of 18 February 2021, a 40% reduction in risk of death was observed in the Toripalimab arm compared to the placebo arm (HR = 0.603 (95% CI: 0.364-0.997)). The incidence of grade ≥3 adverse events (AEs) (89.0 versus 89.5%), AEs leading to discontinuation of Toripalimab/placebo (7.5 versus 4.9%) and fatal AEs (2.7 versus 2.8%) was similar between the two arms; however, immune-related AEs (39.7 versus 18.9%) and grade ≥3 infusion reactions (7.5 versus 0.7%) were more frequent in the Toripalimab arm. In conclusion, the addition of Toripalimab to GP chemotherapy as a first-line treatment for patients with RM-NPC provided superior PFS compared to GP alone, and with a manageable safety profile.
Toripalimab plus chemotherapy in treatment-naïve, advanced esophageal squamous cell carcinoma (JUPITER-06): A multi-center phase 3 trial
Cancer Cell 2022 Mar 14;40(3):277-288.e3.PMID:35245446DOI:10.1016/j.ccell.2022.02.007.
Platinum-based chemotherapy is the standard first-line treatment for advanced esophageal squamous cell carcinoma (ESCC). In this phase 3 study (ClinicalTrial.gov: NCT03829969), 514 patients with treatment-naïve advanced ESCC were randomized (1:1) to receive Toripalimab or placebo in combination with paclitaxel plus cisplatin (TP) every 3 weeks for up to 6 cycles, followed by Toripalimab or placebo maintenance. At the prespecified final analysis of progression-free survival (PFS), a significant improvement in PFS is observed for the Toripalimab arm over the placebo arm (hazard ratio [HR] = 0.58; 95% CI, 0.46-0.74; p < 0.0001). The prespecified interim analysis of overall survival (OS) also reveals a significant OS improvement for patients treated with Toripalimab plus TP over placebo plus TP (HR = 0.58; 95% CI, 0.43-0.78; p = 0.0004). The incidences of grade ≥3 treatment-emergent adverse events are similar between the two arms. Toripalimab plus TP significantly improves PFS and OS in patients with treatment-naïve, advanced ESCC, with a manageable safety profile.
Toripalimab: the First Domestic Anti-Tumor PD-1 Antibody in China
Front Immunol 2022 Jan 12;12:730666.PMID:35095833DOI:10.3389/fimmu.2021.730666.
Toripalimab (Tuoyi™) is a selective, recombinant, humanized monoclonal antibody against programmed death protein 1 (PD-1) developed by Shanghai Junshi Bioscience Co., Ltd. Toripalimab is able to bind to PD-1 and block the interaction with its ligands. The binding of Toripalimab to PD-1 is mainly attributed to the heavy chain of the former and the FG loop of the latter. Toripalimab received a conditional approval in China for the treatment of melanoma (second-line) in December, 2018. It has also received approvals to treat nasopharyngeal carcinoma (first-line and third-line) and urothelial carcinoma (second-line) in 2021. Additionally, several orphan drug designations were granted to Toripalimab by the US Food and Drug Administration. Toripalimab has exhibited primary anti-tumor effects in tumors such as melanoma, lung cancer, digestive tract tumors, hepatobiliary and pancreatic tumors, neuroendocrine neoplasms, nasopharyngeal carcinoma and urothelial carcinoma. It showed a satisfactory anti-tumor effect and long-term survival benefits in Chinese melanoma patients, while the combination of axitinib with Toripalimab exhibited an impressive result in metastatic mucosal melanoma. As a checkpoint inhibitor, Toripalimab was generally well-tolerated in the enrolled patients. Due to different study populations, comparisons could not be made directly between Toripalimab and other drugs in most cases. Nevertheless, the introduction of Toripalimab may offer a valuable choice for decision-making in the treatment of tumors in the future.
Toripalimab for the treatment of melanoma
Expert Opin Biol Ther 2020 Aug;20(8):863-869.PMID:32406293DOI:10.1080/14712598.2020.1762561.
Introduction: Immune therapies have dramatically changed the treatment landscape for melanoma in the past decade. Ipilimumab, nivolumab, and pembrolizumab have been approved by U.S. Food and Drug Administration for the treatment of metastatic melanoma sequentially. Toripalimab, a humanized IgG4 monoclonal antibody against programmed cell death protein-1 (PD-1), was approved by National Medical Product Administration in China in 2018 as second-line therapy for metastatic melanoma. Areas covered: This is a comprehensive review of the literature and studies of Toripalimab in melanoma, including clinical trials and translational research. Expert opinion: Toripalimab is not inferior to pembrolizumab as a second-line therapy for metastatic melanoma. Prospective validated predictive markers are lacking. Programmed cell death ligand 1 expression and tumor mutational burden are two common recognized biomarkers, but the predictability of these markers requires additional improvement. A number of studies have confirmed that PD-1 inhibitors, including Toripalimab, are not as effective in mucosal and acral melanomas as in non-acral cutaneous subtype. Toripalimab in combination with tyrosine kinase inhibitor axitinib has shown a promising result for metastatic mucosal melanoma. It is crucial to explore the mechanisms underlying the varying biological behavior of melanoma subtypes, which may also provide clues of innate and acquired resistance to PD-1 blockade.
Neoadjuvant PD-1 blockade with Toripalimab, with or without celecoxib, in mismatch repair-deficient or microsatellite instability-high, locally advanced, colorectal cancer (PICC): a single-centre, parallel-group, non-comparative, randomised, phase 2 trial
Lancet Gastroenterol Hepatol 2022 Jan;7(1):38-48.PMID:34688374DOI:10.1016/S2468-1253(21)00348-4.
Background: PD-1 blockade is highly effective in patients with mismatch repair-deficient or microsatellite instability-high metastatic colorectal cancer. The role of single-agent PD-1 blockade in the neoadjuvant setting for resectable mismatch repair-deficient or microsatellite instability-high colorectal cancer remains unclear. We investigated the efficacy and safety of PD-1 blockade with Toripalimab, with or without the COX-2 inhibitor celecoxib, as neoadjuvant treatment for mismatch repair-deficient or microsatellite instability-high, locally advanced, colorectal cancers. Methods: The PD-1 Inhibitor in Microsatellite Instability Colorectal Cancer (PICC) trial was a single-centre, open-label, parallel-group, non-comparative, randomised, phase 2 study undertaken at the Sixth Affiliated Hospital of Sun Yat-sen University (Guangzhou, China). Eligible patients were aged 18-75 years, had histologically confirmed mismatch repair-deficient or microsatellite instability-high colorectal cancer, had clinical stage T3-T4 or any T with lymph node positivity (N+), Eastern Cooperative Oncology Group performance score of 0 or 1, and adequate haematological, hepatic, and renal function. Participants were randomly assigned (1:1), without any stratification or balanced blocking, to receive Toripalimab 3 mg/kg intravenously on day 1, with or without celecoxib 200 mg orally twice daily from day 1 to 14 of each 14-day cycle, for six cycles before surgical resection. Adjuvant treatment with Toripalimab with or without celecoxib was permitted at the investigators' discretion. The primary endpoint was the proportion of patients with pathological complete response, defined as tumours without any viable tumour cells in the resected primary tumour sample and all sampled regional lymph nodes. All efficacy and safety analyses were assessed in the modified intention-to-treat population, which included all patients who were randomly assigned to treatment and who received at least one dose of Toripalimab. This trial is registered with ClinicalTrials.gov, NCT03926338, and is ongoing. Findings: Between May 1, 2019, and April 1, 2021, 53 patients were screened, of whom 34 were randomly assigned to either the Toripalimab plus celecoxib group (n=17) or the Toripalimab monotherapy group (n=17). As of data cutoff (Aug 10, 2021), median follow-up was 14·9 months (IQR 8·8-17·0). All patients received study treatment and underwent surgical resection; there were no treatment-related surgical delays. All 34 patients had an R0 resection (>1 mm resection margin). 15 of 17 patients (88% [95% CI 64-99]) in the Toripalimab plus celecoxib group and 11 of 17 patients (65% [38-86]) in the Toripalimab monotherapy group had a pathological complete response. All patients continued to receive adjuvant Toripalimab with or without celecoxib for a total perioperative duration of 6 months and were alive and free of recurrence at data cutoff. During neoadjuvant treatment, ten (59%) patients in the Toripalimab plus celecoxib group and ten (59%) in the Toripalimab monotherapy group had grade 1-2 treatment-related adverse events. Only one (3%) of 34 patients, who was in the Toripalimab plus celecoxib group, had a grade 3 or higher treatment-related adverse event during the neoadjuvant phase, which was grade 3 increased aspartate aminotransferase levels. In the adjuvant phase, only one (3%) of 34 patients, who was in the Toripalimab monotherapy group, had a grade 3 or higher treatment-related adverse events, which was grade 3 increased aspartate aminotransferase and alanine aminotransferase levels. Interpretation: Neoadjuvant Toripalimab with or without celecoxib could be a potential therapeutic option for patients with mismatch repair deficient or microsatellite instability-high, locally advanced, colorectal cancer. This treatment was associated with a high pathological complete response rate and an acceptable safety profile, which did not compromise surgery. Longer term follow-up is needed to assess effects on survival-related endpoints. Funding: The National Key R&D Program of China, the National Natural Science Foundation of China, and the Chinese Society of Clinical Oncology-Junshi Biosciences Oncology Immunity Research. Translation: For the Chinese translation of the abstract see Supplementary Materials section.