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Sun Pharmaceutical Industries Ltd. (Reuters: SUN.BO,Bloomberg: SUNP IN, NSE: SUNPHARMA, BSE: 524715, “Sun Pharma” and includes its subsidiaries and/or associate companies) today announced that one of its wholly owned subsidiaries has entered into an exclusive licensing agreement with a subsidiary of China Medical System Holdings Ltd. (CMS) for the development and commercialization of Cyclosporine A 0.09% (CsA) eye drops, an innovative formulation, for dry eye disease in Greater China (including Mainland China, Hong Kong Special Administrative Region, Macao Special Administrative Region and Taiwan).
Under terms of the license agreement, CMS will pay Sun Pharma an initial upfront payment, regulatory and sales milestone payments, and royalties on net sales, the terms of which are confidential. CMS will be responsible for development, regulatory filings and commercialization of the product in China. The initial tenure of the agreement shall be 15 years from the first commercial sale of CsA in Greater China, and may be extended for additional 3 years subject to certain conditions defined in the agreement.
“We are pleased to enter into a licensing arrangement with CMS, a leading pharmaceutical company in Greater China. Dry Eye disease represents an area of high unmet medical need, with a significant number of patients having moderate to severe form of this disease. Sun Pharma is committed to growing its global ophthalmology franchise, with cyclosporine as its lead product.”said Kirti Ganorkar, Executive Vice President and Head, Global Business Development, Sun Pharma.
About Cyclosporine A 0.09% (CsA) eye drops
Cyclosporine A 0.09% ophthalmic solution (CsA) is a patented, novel, proprietary nanomicellar formulation in a clear, preservative-free, aqueous solution. This nanomicellar technology uses micelles, which are gelatinous aggregates of amphipathic (both hydrophobic and hydrophilic)molecules formed at a well-defined concentration. The small size of the nanomicelles facilitates entry into corneal and conjunctival cells, enabling delivery of high concentrations of CsA. In a multicentered, randomized, double-masked, vehicle-controlled Phase 3 confirmatory study, 744 patients with dry eye were treated either with CsA or its vehicle.
After 12 weeks of treatment, as compared to vehicle, CsA showed statistically significant improvement in the primary end point,Schirmer’s score (a measurement of tear production) (p<0.01). Additionally, several key secondary endpoints showed statistically significant improvements compared to vehicle, with some showing improvement as early as 1 month following treatment. Adverse events reported in the trial were mostly mild in nature. In a prior Phase 2b/3 clinical trial with 455 patients, CsA demonstrated increased tear production (p<0.01) and was well tolerated by the study population.