8-K current report · filed Apr 7, 2026

FENNEC PHARMACEUTICALS INC. (FENC) 8-K Current Report: April 7, 2026

Item 8.01Item EX-99.1FENC overview

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FENNEC PHARMACEUTICALS INC. (FENC) filed an 8-K current report with the SEC on April 7, 2026 reporting Item 8.01 (Other Events), Item EX-99.1 (Exhibit EX-99.1). University of Arizona Cancer Center initiated investigator-sponsored PEDMARK study in adolescent, young adult, and adult cancer patients.

FENNEC PHARMACEUTICALS INC. 8-K event analysis

AI summary of each reported item and its exhibits

Item 8.01 · Other Events

  • University of Arizona Cancer Center initiated investigator-sponsored PEDMARK study in adolescent, young adult, and adult cancer patients
  • Study evaluates PEDMARK alongside cisplatin for head and neck and testicular cancers
  • Potential label-expansion opportunity beyond current pediatric use, but clinical and regulatory outcomes remain uncertain
  • Press release furnished as Exhibit 99.1 for study details

Item EX-99.1 · Exhibit EX-99.1

  • University of Arizona initiating Phase I/II study of PEDMARK in AYA and adult head-and-neck and testicular cancer patients receiving cisplatin
  • Study evaluates hearing-loss reduction versus historical controls and cisplatin elimination up to 6 hours after infusion
  • Expands real-world evidence beyond PEDMARK’s FDA-approved pediatric population and supports potential label expansion
  • Three institution-led studies initiated within recent months, strengthening validation across adult and AYA populations
  • Cisplatin-associated hearing loss affects 60%-90% of treated patients, highlighting substantial unmet need and commercial opportunity

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