OnCo
companiesCompany

Bayer

Bayer owns Xofigo, the only approved alpha emitter, and is developing next-generation actinium PSMA agents.

Radium-223, 225Ac-PSMA-Trillium (BAY 3563254), darolutamide, sevabertinib (HER2-mutant NSCLC, 2025), larotrectinib (with Lilly earlier).

Headquarters
Leverkusen, DE
Type
pharma · BAYN.DE

Products

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Phase 3Targeted alpha therapy
Actinium-225 PSMA agents

Alpha-emitting PSMA drugs that produce responses even after Pluvicto fails, held back mainly by isotope supply.

WithdrawnIntravenous pan-class I PI3K inhibitor (α/δ predominant)
Copanlisib · Aliqopa

Copanlisib is an intravenous PI3K inhibitor for relapsed follicular lymphoma, approved in 2017 and withdrawn in 2023 when its confirmatory trial failed.

ApprovedSmall-molecule AR antagonist
Darolutamide · Nubeqa

Darolutamide is an AR blocker that barely enters the brain, so it causes fewer falls and cognitive side effects; it is approved with and without chemotherapy.

Not mapped hereSmall-molecule pan-TRK inhibitor (first generation)
Larotrectinib · Vitrakvi

The first drug approved for a gene fusion regardless of where the cancer started; it works in about 75% of NTRK-fusion cancers, from infant fibrosarcoma to salivary and thyroid cancers.

ApprovedTargeted alpha therapy (bone-seeking)
Radium-223 dichloride · Xofigo

Radium-223 was the first alpha-emitting drug ever approved (2013). It homes to bone like calcium and treats prostate cancer that has spread only to bone.

ApprovedSmall-molecule multi-kinase inhibitor
Regorafenib · Stivarga

A sorafenib successor that became the first second-line drug proven to prolong life in liver cancer (2017).

ApprovedSmall-molecule kinase inhibitor (HER2)
Sevabertinib · Hyrnuo

Sevabertinib is an oral HER2 inhibitor for lung cancers with HER2 mutations, approved in November 2025 as an alternative to Enhertu and zongertinib.

ApprovedSmall-molecule multi-kinase inhibitor (VEGFR, PDGFR, RAF)
Sorafenib · Nexavar

The first drug ever to extend life in advanced liver cancer (2007), now mostly a comparator arm that newer combinations are measured against.

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