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GT Biopharma Inc is a clinical-stage biopharmaceutical company focused on the development and commercialization of novel immuno-oncology products in the United States. The company is engaged in discovering, developing, and commercializing therapeutics from its proprietary product platform across various disease areas, mainly focused on the treatment of cancer. Its TriKE (Tri-specific Killer Engager) platform offers immuno-oncology products designed to treat hematologic malignancies, sarcoma, and solid tumors.

AbbVie is a pharmaceutical firm with a strong exposure to immunology (with Humira, Skyrizi, and Rinvoq) and oncology (with Imbruvica and Venclexta). The company was spun off from Abbott in early 2013. The 2020 acquisition of Allergan added several new products and drugs in aesthetics, including Botox. The 2024 acquisitions of Cerevel (neuroscience) and ImmunoGen (oncology) help supplement AbbVie's portfolio, while the 2026 acquisition of Apogee adds to AbbVie's immunology depth.