COMPANY RESEARCHThe Degraducer website specifies bifunctional linkers and a ubiquitin–proteasome mechanism. Lead asset UBX-303-1 targets BTK.
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The Degraducer website specifies bifunctional linkers and a ubiquitin–proteasome mechanism. Lead asset UBX-303-1 targets BTK.
An EMA public registry lists UBX-303-101 as Phase 1, with recruiting in Poland beginning in August 2026.
The website discloses a TPD R&D collaboration with SK Biopharmaceuticals.
| Program / service | Target / indication | Representative stage | Evidence & scope |
|---|---|---|---|
| UBX-303-1 | BTK · See individual trial / indication; not individually confirmed in this review | Phase 1 | IND / clinical entry disclosed; public human results not confirmed in this review |
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Amphista announced an ASH oral presentation on AMX-883-mediated BRD9 degradation, describing disruption of hematopoietic transcriptional programs, myeloid differentiation, and reduced leukemic stem-cell frequency in experimental work. A separate abstract outlines the ongoing Phase 1 BRAMLIE study in AML and high-risk myelodysplastic syndrome. The announcement does not establish clinical efficacy for AMX-883.
Nurix announced updated Phase 1a/1b findings for its oral BTK degrader bexobrutideg (NX-5948) in relapsed or refractory CLL/SLL. The ASH presentation will include patients previously exposed to covalent BTK inhibitors and data at the recommended Phase 2 dose of 600 mg once daily. The release describes durable activity without providing numerical response rates.
A PNAS study reports RHV, a tetravalent bispecific protein designed to internalize and lysosomally degrade VCAM-1 and VEGFR on pathological vessels. The original abstract describes activity in mouse choroidal neovascularization models, including efficacy comparable to aflibercept at one-quarter of the molar dose. This is preclinical extracellular receptor degradation, distinct from an intracellular small-molecule PROTAC.
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