Wednesday, July 8, 2026

Drug profile · INN

cemiplimab-rwlc

cemiplimab-rwlc (LIBTAYO) is a programmed cell death protein 1 inhibitor. Associated with Regeneron UK Limited. Route of administration: intravenous. Current US regulatory status: approved.

FDA: approved
US status approved
Patents linked 20
Pipeline programs 41
News articles 0
Drug details — cemiplimab-rwlc
US status
approved
Class
Route
INTRAVENOUS
Patents
20
Programs
41
Data quality
0.89

Quick answer

cemiplimab-rwlc (LIBTAYO) is a programmed cell death protein 1 inhibitor. Associated with Regeneron UK Limited. Route of administration: intravenous. Current US regulatory status: approved.

Key facts

INN cemiplimab-rwlc
Brand LIBTAYO
Mechanism Programmed cell death protein 1 inhibitor
Target Programmed cell death protein 1
Route INTRAVENOUS
Formulation INJECTABLE

Mechanism of action

Programmed cell death protein 1 inhibitor

Primary target: Programmed cell death protein 1

Approval history

Authority Status Date
FDA approved

Pipeline programs

  1. Cemiplimab Phase 3 · Regeneron UK · Cutaneous Squamous Cell Carcinoma
  2. Cemiplimab Phase 3 · Regeneron UK · Recurrent Lung Non-Small Cell Carcinoma
  3. Cemiplimab Phase 3 · Regeneron UK · Cutaneous Squamous Cell Carcinoma (CSCC)
  4. Cemiplimab Phase 3 · Regeneron UK · Squamous Cell Carcinoma (SCC)
  5. cemiplimab Phase 3 · Regeneron UK · Non-small Cell Lung Cancer
  6. Cemiplimab Phase 2 · Regeneron UK · Metastatic Solid Tumor
  7. Cemiplimab Phase 2 · Regeneron UK · Carcinoma, Non-Small-Cell Lung
  8. Cemiplimab Phase 2 · Regeneron UK · Basal Cell Carcinoma (BCC)

Related & competitor drugs

  1. cemiplimab Antineoplastic and immunomodulating agents (L01)
  2. tislelizumab Antineoplastic and immunomodulating agents (L01)
  3. toripalimab-tpzi Programmed cell death protein 1 antagonist
  4. dostarlimab-gxly Programmed cell death protein 1 antagonist
  5. islelizumab-jsgr Programmed cell death protein 1 inhibitor
  6. nivolumab Antineoplastic and immunomodulating agents (L01)
  1. US 12421512

    CRISPR/Cas screening platform to identify genetic modifiers of tau seeding or aggregation

    Expires Mon Sep 18 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  2. US 12419963

    Diels-Alder conjugation methods

    Expires Mon Sep 18 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  3. US 12396952

    Tuning of release kinetics in hydrogels

    Expires Mon Aug 21 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  4. US 12396444

    Mouse comprising a humanized TRKB locus

    Expires Mon Aug 21 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  5. US 12391920

    Models of tauopathy

    Expires Mon Aug 14 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  6. US 12391734

    PD-1 homing endonuclease variants, compositions, and methods of use

    Expires Mon Aug 14 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  7. US 12377159

    Steroids and protein-conjugates thereof

    Expires Mon Jul 31 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  8. US 12370257

    Materials and methods of treating MHC-I-opathy risk haplotypes

    Expires Mon Jul 24 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  9. US 12365711

    TGFβ signal convertor

    Expires Mon Jul 17 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  10. US 12350374

    Fabrication of protein-encapsulating microgels

    Expires Mon Jul 03 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  11. US 12338199

    Bis-octahydrophenanthrene carboxamides and protein conjugates thereof

    Expires Mon Jun 19 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  12. US 12325752

    Immunoglobulin proteins that bind to NPR1 agonists

    Expires Mon Jun 05 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  13. US 12319724

    IL2 agonists and methods of use thereof

    Expires Mon May 29 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  14. US 12297465

    CBLB endonuclease variants, compositions, and methods of use

    Expires Mon May 08 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  15. US 12297279

    Compositions and methods for treating pain in subjects with rheumatoid arthritis

    Expires Mon May 08 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  16. US 12291559

    Compositions and methods for treating cancer

    Expires Mon May 01 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  17. US 12291560

    Dimerizing agent regulated immunoreceptor complexes

    Expires Mon May 01 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  18. US 12274747

    Compositions and methods for treating cytokine release syndrome

    Expires Mon Apr 10 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  19. US 12264343

    TCRa homing endonuclease variants

    Expires Mon Mar 27 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  20. US 12258627

    Kelch domain containing 7B (KLHDC7B) variants and uses thereof

    Expires Mon Mar 20 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

Frequently asked questions

What is cemiplimab-rwlc?

cemiplimab-rwlc (LIBTAYO) is a programmed cell death protein 1 inhibitor. Associated with Regeneron UK Limited. Route of administration: intravenous. Current US regulatory status: approved.

What is the brand name for cemiplimab-rwlc?

LIBTAYO is a marketed brand name for cemiplimab-rwlc. Check FDA Drugs@FDA for the current US label holder and prescribing information.

What is the US approval status of cemiplimab-rwlc?

cemiplimab-rwlc has approved status in the United States according to our Drugs@FDA-derived records. Verify on the official FDA label before clinical or commercial decisions.