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EI-001 — Competitive Intelligence Brief

EI-001 (EI-001) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: PD-1/PD-L1 inhibitor. Area: Oncology.

phase 2 PD-1/PD-L1 inhibitor PD-1 Oncology Biologic Live · refreshed every 30 min

Target snapshot

EI-001 (EI-001) — Elixiron Immunotherapeutics (Hong Kong) Ltd.. EI-001 is an immunomodulatory agent that targets the PD-1/PD-L1 axis.

Comparator set (6 drugs)

Auto-detected by same drug class / molecular target / therapeutic area, ranked by phase + recency. Override with ?vs=slug1,slug2,….

DrugGenericSponsorPhaseClassTargetApproval / PDUFA
EI-001 TARGET EI-001 Elixiron Immunotherapeutics (Hong Kong) Ltd. phase 2 PD-1/PD-L1 inhibitor PD-1
Tevimbra TISLELIZUMAB Beigene marketed Programmed Death Receptor-1 Blocking Antibody [EPC] Pd-1 2025-01-01
Penpulimab kcqx PENPULIMAB Akeso Biopharma marketed Pd-1 2025-01-01
Loqtorzi TORIPALIMAB Coherus Biosciences Inc marketed Programmed Death Receptor-1 Blocking Antibody [EPC] Pd-1 2024-01-01
Unloxcyt COSIBELIMAB Checkpoint Therapeutics Inc marketed Programmed Death Ligand-1 Blocker [EPC] Pd-1 2024-01-01
Jemperli DOSTARLIMAB GSK marketed Programmed Death Receptor-1 Blocking Antibody [EPC] PD-1 2021-01-01
Libtayo CEMIPLIMAB Regeneron Pharmaceuticals marketed PD-1 2018-01-01

Recent regulatory actions (last 90 days)

No regulatory actions in the last 90 days for this set.

Upcoming PDUFA dates (next 180 days)

No PDUFA dates in the next 180 days for this set.

Patent timeline (forward window)

No upcoming patent expiries for this set.

Sponsor landscape (PD-1/PD-L1 inhibitor class)

  1. Chia Tai Tianqing Pharmaceutical Group Co., Ltd. · 3 drugs in this class
  2. AstraZeneca · 2 drugs in this class
  3. Cancer Institute and Hospital, Chinese Academy of Medical Sciences · 1 drug in this class
  4. Hanlim Pharm. Co., Ltd. · 1 drug in this class
  5. EMD Serono · 1 drug in this class
  6. EMS · 1 drug in this class
  7. Fujian Cancer Hospital · 1 drug in this class
  8. Elixiron Immunotherapeutics (Hong Kong) Ltd. · 1 drug in this class
  9. Cellvax Therapeutics Inc · 1 drug in this class
  10. Anhui Shi, MD · 1 drug in this class

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Cite this brief

Drug Landscape (2026). EI-001 — Competitive Intelligence Brief. https://druglandscape.com/ci/ei-001. Accessed 2026-05-14.

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