kt-5000AI delivers potent and selective ATR inhibition, CNS-oriented properties and preclinical tumour-growth control, advancing a capital-efficient drug discovery program toward candidate selection VANCOUVER, British Columbia, Oct. 22, 2026 (GLOBE NEWSWIRE) — Rakovina Therapeutics Inc. (TSX-V: RKV) (FSE: 7JO0) (OTCMKTS: RKVTF), a biopharmaceutical company advancing innovative cancer therapies through AI-powered drug discovery, today announced s…