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Fennec Pharmaceuticals Announces Settlement Agreement Resolving PEDMARK Patent Litigation

RESEARCH TRIANGLE PARK, N.C., March 16, 2026 (GLOBE NEWSWIRE) -- Fennec Pharmaceuticals Inc. (NASDAQ:FENC; TSX: FRX), a specialty pharmaceutical company,

articleFennec Pharmaceuticals Inc.March 16, 20263/company/fennec-pharmaceuticals-inc/news/fennec-pharmaceuticals-announces-settlement-agreement-resolving-pedmark-patent-litigation
Fennec Pharmaceuticals Announces Settlement Agreement Resolving PEDMARK Patent Litigation

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[{"type":"text","content":"RESEARCH TRIANGLE PARK, N.C., March 16, 2026 (GLOBE NEWSWIRE) -- Fennec Pharmaceuticals Inc. (NASDAQ:FENC; TSX: FRX), a specialty pharmaceutical company, today announces that it has entered into an agreement with Cipla Limited and Cipla USA, Inc. to settle the litigation between them regarding Cipla’s application to FDA for approval to market a generic version of Fennec’s PEDMARK® (sodium thiosulfate injection) product. See Fennec Pharmaceuticals Inc. v. Cipla Limited and Cipla USA, Inc., C.A. No. 2:23-cv-00123-JKS-MAH (D.N.J.). Under the terms of the agreement, the lawsuit will be dismissed with each party bearing their own costs, and Cipla will not enter the market with its generic sodium thiosulfate product until September 1, 2033, or earlier under certain circumstances. PEDMARK® (sodium thiosulfate injection) PEDMARK® is the first and only U.S. Food and Drug Administration (FDA) approved therapy indicated to reduce the risk of ototoxicity associated with cisplatin treatment in pediatric patients 1 month of age and older with localized, non-metastatic, solid tumors. It is a unique formulation of sodium thiosulfate in single-dose, ready-to-use vials for intravenous use in pediatric patients. PEDMARK is also the first and only therapeutic agent with proven efficacy and safety data with an established dosing regimen, across two open-label, randomized Phase 3 clinical studies, the Children’s Oncology Group (COG) Protocol ACCL0431 and SIOPEL 6. Additionally, PEDMARK is recommended for the adolescent and young adult (AYA) population by the National Comprehensive Cancer Network, or NCCN, with a 2A endorsement. Approximately 500,000 patients in the U.S. are diagnosed annually with cancers that could be treated with a platinum-based chemotherapy.1,2 The incidence of ototoxicity depends upon the dose and duration of chemotherapy, and many of those treated will require lifelong hearing aids. Until the FDA approval of PEDMARK, there were no preventative agents for this hearing loss. Patients with hearing loss resulting from cancer treatment have a statistically significant worse quality of life compared with peers who have no hearing loss.3,4 PEDMARK has been studied by co-operative groups in two Phase 3 clinical studies of survival and reduction of ototoxicity, COG ACCL0431 and SIOPEL 6. Both studies have been completed. The COG ACCL043...

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