Core Insights - The company, established in 2009, is a biotechnology firm focused on the global development of precision cancer therapies based on synthetic lethality mechanisms, possessing a comprehensive and advanced product portfolio [1] Product Highlights - The core product, Senaparib, is a PARP1/2 inhibitor approved for first-line maintenance treatment of ovarian cancer in China as of January 2025, demonstrating the largest progression-free survival benefit among approved PARP inhibitors for this indication [2] - Senaparib's marketing authorization application has been accepted by the European Medicines Agency, with an expected approval in the second half of 2026 [2] - The company has signed a commercial agreement with a subsidiary of Huadong Medicine for the commercialization of Senaparib in China, aiming to establish the largest gynecological oncology platform in the country [2] Pipeline Overview - The company has a diverse pipeline including several clinical-stage and preclinical assets targeting PARP and other key synthetic lethality pathways [3] - IMP1734, a next-generation selective PARP1 inhibitor, is currently in global Phase I/II trials, with plans to initiate Phase II in the second half of 2025 [3] - IMP9064, a potential first-in-class selective ATR inhibitor in China, is also in global Phase I/II trials and has received approval for combination studies with Senaparib [4] - IMP1707, a selective PARP1 inhibitor capable of penetrating the central nervous system, is undergoing Phase I clinical evaluation [5] - Other assets include preclinical candidates targeting WEE1, PKMYT1/WEE1, DHX9, ATM, USP1, and CHK1/2, as well as next-generation ADCs and protein degraders [6] Financial Performance - The company reported losses of approximately RMB 199.9 million, RMB 255.5 million, and RMB 129 million for the years ending December 31, 2023, December 31, 2024, and the six months ending June 30, 2025, respectively, primarily due to ongoing R&D investments [7] - Revenue sources include licensing income and pharmaceutical product sales, with total revenues of RMB 235.2 million for 2023 and RMB 33.5 million for the first half of 2024 [8] - The funds raised from the IPO are intended for the clinical development, regulatory approval, and commercialization of Senaparib, as well as the clinical development of key products IMP1734 and IMP9064, and other pipeline assets [8]

Core Viewpoint - Nanjing Inpai Pharmaceutical Co., Ltd. has submitted a listing application to the Hong Kong Stock Exchange, with Goldman Sachs and CICC as joint sponsors [1] Company Overview - Established in 2009, Inpai Pharmaceutical is a biotechnology company focused on the global development of precision cancer therapies based on synthetic lethality mechanisms [4] - It is one of only three companies globally that possess both commercial-stage PARP1/2 inhibitors and clinical-stage next-generation PARP1 selective inhibitors [4] Key Product - The core product, Senaparib, is a PARP1/2 inhibitor that has been approved and commercialized in China for first-line maintenance treatment of ovarian cancer as of January 2025 [5] - Senaparib demonstrated the greatest progression-free survival benefit among approved PARP inhibitors for this indication, with good tolerability [5] - The marketing authorization application for Senaparib has been accepted by the European Medicines Agency, with approval expected in the second half of 2026 [5] - The product has been recommended for inclusion in China's National Medical Insurance Drug List, with negotiations planned for the fourth quarter of 2025 [5] - A sales service agreement has been signed with a subsidiary of Huadong Medicine to commercialize Senaparib in China, aiming to create the largest gynecological oncology platform in the country [5] - As of August 20, 2025, Senaparib has entered over 200 DTP pharmacies and covers more than 600 medical institutions [5] Product Pipeline - The company has a rich and differentiated product pipeline, including several clinical-stage and preclinical assets targeting PARP and other key synthetic lethality pathways [6] - IMP1734 is a next-generation PARP1 selective inhibitor currently in global I/II trials, with plans to initiate Phase II in the second half of 2025 [6] - IMP9064 is a potential first-in-class ATR selective inhibitor in China, also in global I/II trials, approved for combination studies with Senaparib [6] - IMP1707 is a PARP1 selective inhibitor capable of penetrating the central nervous system, currently undergoing Phase I clinical evaluation [6] - Other assets include clinical candidates targeting WEE1, PKMYT1/WEE1, DHX9, ATM, USP1, and CHK1/2, as well as next-generation ADCs and protein degraders [6] Financial Performance and Fund Utilization - The company reported losses of approximately RMB 199.9 million, RMB 255.5 million, and RMB 129 million for the years ending December 31, 2023, December 31, 2024, and the six months ending June 30, 2025, respectively, primarily due to ongoing R&D investments [7] - Revenue sources include licensing income and pharmaceutical product sales, with total revenues of RMB 235.2 million for 2023 [9] - The funds raised from the listing are planned for clinical development, regulatory approval, and commercialization of Senaparib, as well as the clinical development of key products IMP1734 and IMP9064, and other pipeline assets [9]