Paclitaxel

Nov. 16, 2024 -- Shanghai Junshi Biosciences Co., Ltd (Junshi Biosciences, HKEX: 1877; SSE: 688180), a leading innovation-driven biopharmaceutical company dedicated to the discovery, development, and commercialization of novel therapies, and its wholly-owned subsidiary, TopAlliance Biosciences Inc. (TopAlliance Biosciences), announced that the UK Medicines and Healthcare products Regulatory Agency (MHRA) has approved toripalimab (UK trade name: LOQTORZI®) for the treatment of two indications: Toripalimab in combination with cisplatin and gemcitabine for the first-line treatment of adult patients with recurrent, not amenable to surgery or radiotherapy, or metastatic nasopharyngeal carcinoma (NPC); Toripalimab in combination with cisplatin and paclitaxel for the first-line treatment of adult patients with unresectable advanced, recurrent, or metastatic esophageal squamous cell carcinoma (ESCC). In UK, toripalimab is the first and only drug for the treatment of NPC and the only first-line treatment for advanced or metastatic ESCC, regardless of PD-L1 status. NPC is a malignant tumor that occurs in the nasopharyngeal mucosal epithelium and is one of the most common types of head and neck cancers globally. According to GLOBOCAN 2022 statistics, the number of newly diagnosed NPC cases in 2022 exceeded 120,000 worldwide. Due to the location of the primary tumor, surgery is rarely an option. The latest European Society of Medical Oncology (ESMO) Guidelines recommend immunotherapy combined with chemotherapy as the first-line treatment for recurrent or metastatic NPC. The approval of the NPC indication is primarily based on the results from the JUPITER-02 study (a randomized, double-blind, placebo-controlled, multinational multi-center Phase 3 clinical study, NCT03581786). JUPITER-02 is the first international multi-center, double-blind, randomized Phase 3 clinical study in NPC immunotherapy with the largest sample size, and the world’s first Phase 3 clinical study with preset statistical verification (Type I error control) for overall survival (“OS”) in first-line immunotherapy combined with chemotherapy for NPC compared to chemotherapy alone that demonstrated a survival benefit. The study results were presented in an oral report during the Plenary Session of the 2021 annual meeting of the American Society of Clinical Oncology (ASCO) (#LBA2) and were subsequently featured on the cover of Nature Medicine. The results were also published in full in the Journal of the American Medical Association (JAMA). Results showed that, compared to chemotherapy alone, toripalimab in combination with chemotherapy reduced the risk of disease progression by 48% and the risk of death by 37%. The median progression-free survival (“PFS”) in the toripalimab plus chemotherapy group was prolonged by 13.2 months compared to chemotherapy alone, from 8.2 months to 21.4 months. In addition, patients treated with this combined therapy achieved a higher objective response rate (ORR) and longer duration of response (DoR), with a complete response (CR) rate of 26.7%, and no new safety signal was identified. Long-term survival follow-up data, presented at ASCO 2024, reported a 5-year survival rate of 52.0%. EC is one of the most common malignant tumors in the alimentary tract. According to GLOBOCAN 2022 statistics, esophageal cancer is the 11th most commonly diagnosed cancer and the seventh leading cause of cancer death worldwide, with over 511,000 new cases and over 445,000 deaths in 2022. ESCC and esophageal adenocarcinoma are the two main histological subtypes of esophageal cancer. The approval of the ESCC indication is primarily based on the results from the JUPITER-06 study (a randomized, double-blind, placebo-controlled, multi-center Phase 3 clinical study, NCT03829969). The study aimed to evaluate the efficacy and safety of toripalimab in combination with paclitaxel/cisplatin (TP) for the first-line treatment of advanced ESCC compared with placebo in combination with chemotherapy. The results were first presented in an oral session during the ESMO Congress 2021 and later published in Cancer Cell and Journal of Clinical Oncology, two leading international oncology journals. Study findings showed that toripalimab in combination with chemotherapy resulted in superior PFS and OS in patients with advanced or metastatic ESCC, the median OS was prolonged by 6 months to 17 months and the risk of disease progression or death in patients was significantly reduced by 42%. Futhermore, there was a significant improvement in survival benefits regardless of PD-L1 status. Dr. Jianjun ZOU, General Manager and CEO of Junshi Biosciences, said, “The approval of toripalimab by MHRA marks another significant milestone for toripalimab in Europe, not only making toripalimab the first and only drug in UK for the treatment of NPC, but also the only first-line treatment for ESCC, regardless of PD-L1 status. We are extremely proud to introduce innovative Chinese biopharmaceuticals to Europe that can address longstanding unmet medical needs of the patients there. Moving forward, we will remain committed to our globalization strategy, ‘In China, For Global.’ We will continue working towards the commercialization of toripalimab, and offer high-quality, innovative, domestically developed medicines to benefit more patients around the world.” Toripalimab is an anti-PD-1 monoclonal antibody developed for its ability to block PD-1 interactions with its ligands, PD-L1 and PD-L2, and for enhanced receptor internalization (endocytosis function). Blocking PD-1 interactions with PD-L1 and PD-L2 promotes the immune system’s ability to attack and kill tumor cells. ore than forty company-sponsored toripalimab clinical studies covering more than fifteen indications have been conducted globally by Junshi Biosciences, including in China, the United States, Southeast Asia, and Europe. Ongoing or completed pivotal clinical trials evaluating the safety and efficacy of toripalimab cover a broad range of tumor types, including cancers of the lung, nasopharynx, esophagus, stomach, bladder, breast, liver, kidney, and skin. In the Chinese mainland, toripalimab was the first domestic anti-PD-1 monoclonal antibody approved for marketing (approved in China as TUOYI®). Currently, there are ten approved indications for toripalimab in the Chinese mainland: unresectable or metastatic melanoma after failure of standard systemic therapy; recurrent or metastatic nasopharyngeal carcinoma (NPC) after failure of at least two lines of prior systemic therapy; locally advanced or metastatic urothelial carcinoma that failed platinum-containing chemotherapy or progressed within 12 months of neoadjuvant or adjuvant platinum-containing chemotherapy; in combination with cisplatin and gemcitabine as the first-line treatment for patients with locally recurrent or metastatic NPC; in combination with paclitaxel and cisplatin in first-line treatment of patients with unresectable locally advanced/recurrent or distant metastatic esophageal squamous cell carcinoma (ESCC); in combination with pemetrexed and platinum as the first-line treatment in EGFR mutation-negative and ALK mutation-negative, unresectable, locally advanced or metastatic non-squamous non-small cell lung cancer (NSCLC); in combination with chemotherapy as perioperative treatment and subsequently with monotherapy as adjuvant therapy for the treatment of adult patients with resectable stage IIIA-IIIB NSCLC; in combination with axitinib for the first-line treatment of patients with medium to high risk unresectable or metastatic renal cell carcinoma (RCC); in combination with etoposide plus platinum for the first-line treatment of extensive-stage small cell lung cancer (ES-SCLC); in combination with paclitaxel for injection (albumin-bound) for the first-line treatment of recurrent or metastatic triple-negative breast cancer (TNBC). The first six indications have been included in the National Reimbursement Drug List (NRDL) (2023 Edition). Toripalimab is the only anti-PD-1 monoclonal antibody included in the NRDL for the treatment of melanoma. In October 2024, toripalimab for the treatment of recurrent or metastatic NPC was approved in Hong Kong SAR, China. In terms of international layout, toripalimab has been approved for marketing in the United States, the European Union, India, the UK, Jordan and other countries and regions. In addition, the Australia Therapeutic Goods Administration (TGA) and the Singapore Health Sciences Authority (HSA) accepted the new chemical entity application and the new drug application for toripalimab in combination with cisplatin and gemcitabine, for the first-line treatment of adults with metastatic or recurrent locally advanced NPC, and for toripalimab, as a single agent, for the treatment of adults with recurrent, unresectable, or metastatic NPC with disease progression on or after platinum-containing chemotherapy, respectively. Founded in December 2012, Junshi Biosciences (HKEX: 1877; SSE: 688180) is an innovation-driven biopharmaceutical company dedicated to the discovery, development and commercialization of innovative therapeutics. The company has established a diversified R&D pipeline comprising over 50 drug candidates, with five therapeutic focus areas covering cancer, autoimmune, metabolic, neurological, and infectious diseases. Five of the company’s innovations have already reached the Chinese or international markets, one of which is toripalimab, China’s first domestically produced and independently developed anti-PD-1 monoclonal antibody, approved in over 35 countries and regions including China, the US, and Europe. Additionally, more than 30 drugs are currently in clinical development. During the COVID-19 pandemic, Junshi Biosciences actively shouldered the social responsibilities of a Chinese pharmaceutical company through its involvement in developing etesevimab, MINDEWEI®, and other novel therapies for the prevention and treatment of COVID-19. With a mission of “providing patients with world-class, trustworthy, affordable, and innovative drugs,” Junshi Biosciences is “In China, For Global.” At present, the company boasts approximately 2,500 employees in the United States (San Francisco and Maryland) and China (Shanghai, Suzhou, Beijing, Guangzhou, etc.). 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11月17日，君实生物宣布，其自主研发的抗PD-1单抗药物特瑞普利单抗（英国商品名：LOQTORZI®）于近日获得英国药品和保健品康局（MHRA）批准用于治疗两项适应症：特瑞普利单抗联合顺铂和吉西他滨用于复发、不能手术或放疗的，或转移性鼻咽癌（NPC）成人患者的一线治疗；特瑞普利单抗联合顺铂和紫杉醇用于不可切除的晚期/复发或转移性食管鳞癌（ESCC）成人患者的一线治疗。今年9月，该产品刚刚获欧盟委员会（EC）批准用于治疗上述两项适应症。 本次MHRA对于NPC和ESCC适应症的批准分别基于JUPITER-02（一项随机、双盲、安慰剂对照、国际多中心3期临床研究）和JUPITER-06（一项随机、双盲、安慰剂对照、多中心的3期研究）的研究结果。 其中，JUPITER-02是鼻咽癌免疫治疗领域国际多中心双盲、随机对照3期临床研究，也是鼻咽癌一线免疫联合化疗对比单纯化疗将总生存期（OS）预设有统计学检验（一类错误控制）并确证具有生存获益的3期临床研究。其研究结果曾以口头报告形式亮相2021年美国临床肿瘤学会（ASCO）年会全体大会（#LBA2），随后荣登《自然-医学》（Nature Medicine）杂志封面，并获得《美国医学会杂志》（JAMA）全文发表。研究结果显示，与单纯化疗相比，特瑞普利单抗联合化疗使患者的疾病进展风险降低48%，死亡风险降低37%。特瑞普利单抗联合化疗组的中位无进展生存期（PFS）对比单纯化疗延长了13.2个月，从8.2个月提升到21.4个月。此外，接受该联合疗法治疗的患者可获得更高的客观缓解率（ORR）和更长的持续缓解时间（DoR），完全缓解（CR）率达到26.7%，且未发现新的安全性信号。长期生存随访数据在2024年ASCO年会展示，特瑞普利单抗治疗组5年生存率达到52.0%。 基于该项研究，特瑞普利单抗于2021年获得中国国家药品监督管理局（NMPA）批准用于晚期鼻咽癌的治疗。同时，特瑞普利单抗还作为首款鼻咽癌药物在美国、欧洲、印度、约旦、中国香港地区获批。此外，特瑞普利单抗用于治疗NPC相关适应症的上市申请正在同步接受澳大利亚药品管理局（TGA）和新加坡卫生科学局（HSA）的审评。 JUPITER-06是一项随机、双盲、安慰剂对照、多中心的3期临床研究，旨在评估与安慰剂联合化疗相比，特瑞普利单抗联合紫杉醇/顺铂（TP）用于晚期ESCC一线治疗的疗效及安全性。该研究结果首次在欧洲肿瘤内科学会年会（ESMO 2021）上以口头汇报形式报告，随后在国际肿瘤学杂志《Cancer Cell》和《临床肿瘤学杂志》（Journal of Clinical Oncology）发表。研究结果显示，特瑞普利单抗联合化疗可使晚期或转移性ESCC患者获得更优的PFS和OS，其中中位OS延长6个月，达到17个月，并显著降低患者的疾病进展或死亡风险达42%，显著改善生存获益，且无论PD-L1表达如何均可获益。 基于该项研究，2022年5月，特瑞普利单抗用于治疗ESCC的新适应症上市申请在中国获批。今年，特瑞普利单抗用于不限PD-L1表达的晚期或转移性食管鳞癌一线免疫治疗在欧洲获批上市。 参考资料： [1] 君实生物抗PD-1单抗特瑞普利单抗在英国获批上市. Retrieved Nov 17, 2024, from https://www.prnasia.com/story/469167-1.shtml 内容来源于网络，如有侵权，请联系删除。