Starpharma Holdings Limited (ASX:SPL, OTC:SPHRY) is an Australia-based biotechnology company that researches, develops, and commercializes dendrimer products for pharmaceutical, life-science, and healthcare applications; its core offerings include the DEP (dendrimer enhanced product) drug delivery platform featuring clinical-stage oncology assets such as DEP SN38, DEP cabazitaxel, and DEP docetaxel for improved chemotherapeutic delivery, preclinical radiopharmaceuticals and DEP antibody-drug conjugates (ADCs) targeting solid tumors including DEP HER2 radiodiagnostic and DEP HER2 ADC, over-the-counter products VivaGel BV (a non-antibiotic vaginal gel for bacterial vaginosis treatment and prevention), VivaGel Condom, and VIRALEZE antiviral nasal spray for trapping respiratory viruses; the company operates primarily in oncology, women's health, and antivirals, with commercial products available in approximately 35 countries and a pipeline advanced through over 350 patients treated in clinical programs. Founded in 1996 as a spin-off from CSIRO and headquartered in Abbotsford, Victoria, Australia, Starpharma maintains subsidiaries including Starpharma Pty Ltd in Melbourne and focuses on global partnerships with pharmaceutical leaders, academic institutions, and contract development organizations for drug enhancement across small molecules, antibodies, and radiotheranostics. Recent developments include an exclusive oncology licensing agreement with Genentech valued at up to A$860 million plus royalties in 2025, a research collaboration with Radiopharm Theranostics offering exclusivity options also in 2025, ongoing joint venture with Medicxi via Petalion Therapeutics for novel cancer therapies, plans for first-in-patient clinical trials of radiopharmaceutical assets in 2026, progression of three Phase 2 assets for licensing, and strengthened commercial sales of VivaGel and VIRALEZE following the 2024 conclusion of the AstraZeneca partnership to reallocate resources.