Solasia and Nippon Kayaku Announce License Agreement in Japan for New Drug Candidate DARINAPARSIN (SP-02)
Solasia Pharma K.K. (TOKYO: 4597, Headquarters: Tokyo, Japan, President & CEO: Yoshihiro Arai, hereinafter “Solasia”) and Nippon Kayaku Co., Ltd. (TOKYO: 4272, Headquarters: Tokyo, Japan, President: Atsuhiro Wakumoto) today jointly announced the conclusion of a license agreement for marketing rights to darinaparsin (generic name, development code: SP-02) in Japan (hereinafter “this agreement”).
Darinaparsin is a drug candidate under development by Solasia for relapsed or refractory peripheral T-cell lymphoma (PTCL). Solasia filed a new drug application with the Ministry of Health, Labour and Welfare in June 2021 and expects to launch after obtaining approval from the agency in 2022.
Mr. Kazuto Koizumi, Managing Director and Head of Pharmaceuticals Group of Nippon Kayaku, commented as follows:
“Solasia is a specialty pharmaceutical company that excels in development of innovative medicines in the field of oncology in Japan and other Asian countries. Through the early launch of darinaparsin developed by Solasia, we expect to provide a new treatment option for PTCL, and contribute to patients and their family suffering from the disease, as well as to healthcare professionals.”
Mr. Yoshihiro Arai, President and CEO of Solasia, commented as follows:
“Nippon Kayaku is one of Japan's leading pharmaceutical companies with strengths in the field of oncology. We are very pleased to have this opportunity to deliver darinaparsin to nationwide medical institutions providing cancer treatment by utilizing Nippon Kayaku’s extensive experience in oncology and strong sales network, and contribute to the treatment of PTCL.”
Based on this agreement, Solasia and Nippon Kayaku will make further efforts to provide a new treatment option to patient suffering from PTCL, for which no standard treatment has been established to date.
###
About Nippon Kayaku
Nippon Kayaku was founded in 1916 as the first industrial explosives manufacturer in Japan. We have developed products to meet the needs of the time by utilizing, combining and transforming our core technologies in the company’s main areas, explosives, dyes, pharmaceuticals and resins. Nippon Kayaku has contributed to realizing a sustainable society through its four businesses of Functional Chemicals, Pharmaceuticals, Safety Systems, and Agrochemicals.
In the Pharmaceuticals Business, Nippon Kayaku specializes in anticancer drugs and other cancer-related products, handling a range of products from new drugs to biosimilars and generics. It strives to provide trustworthy information crucial for understanding anticancer drugs to medical institutions.
Please visit the company website at https://www.nipponkayaku.co.jp/english/ for more information.
About Solasia
Please visit the company website at https://solasia.co.jp/en/ for more information.
About darinaparsin (SP-02)
Please visit at https://solasia.co.jp/en/pipeline/sp02.html
To view this piece of content from cts.businesswire.com, please give your consent at the top of this page.
View source version on businesswire.com: https://www.businesswire.com/news/home/20211026005660/en/
Contact information
For further information, please contact:
Nippon Kayaku Co., Ltd.
Public Relations & Investor Relations Division,
Tel. +81 3 6731 5237
Solasia Pharma K.K.
Rie Toyoda, Public Relations and Investor Relations,
Tel. +81 3 5843 8045
info@solasia.co.jp
About Business Wire
For more than 50 years, Business Wire has been the global leader in press release distribution and regulatory disclosure.
Subscribe to releases from Business Wire
Subscribe to all the latest releases from Business Wire by registering your e-mail address below. You can unsubscribe at any time.
Latest releases from Business Wire
Quectel Announces Industry First 5G-Advanced 3GPP R18 Automotive-Grade Cellular Module, Delivering Unmatched Performance and Reliability2.1.2026 19:00:00 EET | Press release
Quectel Wireless Solutions, an end-to-end global IoT solutions provider, today announces the launch of the world's first 5G-advanced (5G-A) automotive-grade cellular module, the AR588MA, establishing it as the industry's highest-performing and most reliable wireless communication product for vehicles. Based on MediaTek's latest-generation MT2739 platform, the AR588MA supports 5G-A communication technology and is the world's first to comply with the 3GPP R18 standard protocol. The module also features both NB-NTN and NR-NTN satellite communication capabilities, supports Dual SIM Dual Active (DSDA) technology, offering improved stability and reliability on cellular connections and includes intelligent driving scenario recognition. Designed in compliance with the AEC-Q104 Grade 2 automotive standard, it delivers faster, more stable connectivity and reliable security for in-vehicle communication and benefiting the on-roof applications like smart antenna for automotive with higher temperatu
Interactive Brokers’ Individual and Hedge Fund Clients Outperformed the S&P 500 on Average in 20252.1.2026 17:00:00 EET | Press release
Interactive Brokers (Nasdaq: IBKR), an automated global electronic broker, today announced that its clients outperformed the S&P 500 Index in 2025, reflecting the benefits of cost efficiency, execution quality, and broad access to global markets. In 2025, Interactive Brokers’ individual clients achieved an average return of 19.20%, compared with the 17.9% return of the S&P 500 Index. During the same period, Interactive Brokers’ hedge fund clients achieved an average return of 28.91%, outperforming the index by approximately 11 percentage points. These results demonstrate how Interactive Brokers helps enhance client returns across the investment lifecycle. Global market access enables clients to allocate capital across various regions and asset classes, while lower trading and financing costs, along with efficient execution, help IBKR investors retain more of their returns over time. “Investment returns are not just about picking the right trades. They are influenced by the costs you pa
Aeromexico Repeats as Most On-Time Global Airline; Qatar Airways Claims Platinum Award2.1.2026 12:00:00 EET | Press release
Aeromexico maintained a 90.02% on-time performance to claim the world's most on-time global airline title for the second consecutive year, according to Cirium's 2025 On-Time Performance Review released today. The Mexican carrier becomes only the second airline to achieve consecutive global wins since Cirium launched the program in 2009, operating 188,859 flights across 23 countries while maintaining industry-leading schedule reliability. Aeromexico Holds Global Lead; Regional Champions Crowned Aeromexico secured the global airline title with 90.02% on-time performance, holding off strong competition from Saudia in second place with 86.53% and SAS with 86.09% in third. The margin between first and third place was 3.93 percentage points, reflecting the strong performance of Aeromexico in 2025. Regional winners included: North America: Delta Air Lines won for the fifth consecutive year with 80.90% on-time performance Europe: Iberia Express (International Airlines Group) defended its title
Samsung Bioepis Begins Commercialization of BYOOVIZ ® , Biosimilar to Lucentis (Ranibizumab), in Europe2.1.2026 09:00:00 EET | Press release
Samsung Bioepis Co., Ltd. today announced that the company has begun direct commercialization of BYOOVIZ®, a biosimilar to Lucentis1 (ranibizumab), in Europe. Samsung Bioepis has been working to ensure seamless transfer of commercial rights from Biogen back to Samsung Bioepis, and BYOOVIZ will now be available as a Samsung Bioepis brand across multiple European countries. “This is a significant milestone for Samsung Bioepis as the company continues to strengthen its presence in Europe by expanding its portfolio of directly commercialized products. Leveraging the past three years of experience with EPYSQLI (eculizumab) and the newly launched OBODENCE (denosumab) and XBRYK (denosumab) in Europe, we will continue on our journey to become a fully integrated biopharmaceutical company with end-to-end capabilities from development to commercialization,” said Antonio Rito, Vice President and Head of Europe, at Samsung Bioepis. “We will work closely with payers and healthcare professionals to e
Cessna Citation Ascend Enters Into Service, Redefining Performance and Cabin Experience in the Midsize Business Jet Market31.12.2025 16:00:00 EET | Press release
The Cessna Citation Ascend achieved a major milestone as the first retail customer took delivery of the midsize business jet on Tuesday, December 30, marking the aircraft’s entry into service. Announced in 2023 the aircraft boasts an entirely new cockpit, improved performance and a luxurious flat floor cabin. The Citation Ascend received type certification from the Federal Aviation Administration (FAA) in November 2025. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20251231586042/en/ Cessna Citation Ascend enters into service, redefining performance and cabin experience in the midsize business jet market. (Photo credit: Textron Aviation) The Cessna Citation Ascend is designed and manufactured by Textron Aviation Inc., a Textron Inc. (NYSE: TXT) company. “The first Citation Ascend delivery underscores Textron Aviation’s commitment to redefining the midsize segment with an aircraft that blends innovation, efficiency and unmatch
In our pressroom you can read all our latest releases, find our press contacts, images, documents and other relevant information about us.
Visit our pressroom