COMPANY RESEARCH

Rigel Pharmaceuticals

A 2026-06-16 Rigel announcement confirms completion of an exclusive global development, manufacturing, and commercialization license for VEPPANU from Arvinas/Pfizer, effective 2026-06-11.

Company at a glance

Corporate information

Company entity
Rigel Pharmaceuticals, Inc.
Headquarters / principal office
South San Francisco, CASelf-reported location on the company LinkedIn page; regional scope may differ from the legal or global headquarters. ↗
Founded
1996 ↗
Ownership / capital status
Publicly tradedPublicly traded ↗ ↗
Official corporate reference
https://www.rigel.com/ ↗
LinkedIn company page
LinkedIn ↗ ↗

Profile review: 2026-11-04 · Fields retain their individual source dates. Undisclosed values are not zero; early or historical events do not establish the latest financing. Awards and acquisitions are distinguished from equity rounds.

Disease tags match recorded text mentions and require program-level verification.

Technology, programs & evidence

A 2026-06-16 Rigel announcement confirms completion of an exclusive global development, manufacturing, and commercialization license for VEPPANU from Arvinas/Pfizer, effective 2026-06-11.

Program / serviceTarget / indicationRepresentative stageEvidence & scope
vepdegestrant(VEPPANU)ER · ESR1-mutated ER+/HER2− advanced or metastatic breast cancer; limited U.S.-approved populationApprovedRegulatory validation limited to the approved jurisdiction / indication

Related news & literature

Company-name matches are discovery leads; verify entity identity and transaction roles in the original source.

No cataloged update explicitly mentions this company.

Same-field reading (not company-specific)
Amphista Therapeutics / Business Wire

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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 Therapeutics

Nurix previews updated bexobrutideg Phase 1 CLL/SLL findings for ASH

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.

Proceedings of the National Academy of Sciences / PubMed

Bispecific protein drives dual receptor degradation in mouse eye-disease models

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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Sources & open questions

  • The Arvinas record concerns the same asset, not an additional independent drug. Further indications / regional approvals require separate verification.
  1. Oral Estrogen Receptor PROTAC Vepdegestrant Is Highly Efficacious in Preclinical ER+ Models ↗Clinical Cancer Research / Arvinas researchers · 2024
  2. Rigel closes VEPPANU license ↗Rigel Pharmaceuticals · 2026-06-16
  3. Investor FAQ ↗Rigel · Not stated
  4. Rigel company page ↗Rigel / LinkedIn · Not stated
  5. 2025 Form 10-K ↗Rigel / SEC · 2026
  6. Rigel Pharmaceuticals, Inc. (RIGL) icon-thumbsup icon-heart icon-health icon-resume ↗Rigel Pharmaceuticals, Inc. · Accessed 2026-11-04; undated unless stated
  7. Company-managed LinkedIn profile — self-reported location ↗Rigel Pharmaceuticals · Checked 2026-11-04; source publication date retained where stated

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