TheraRadar
Data updated: May 26, 2026

LIBTAYO (cemiplimab-rwlc)

Genetic Support Trial Activity: Stable 3 active trials
Breakthrough Therapy Priority Review
Oncology Approved 2018-09-28

LIBTAYO is indicated for the treatment of Metastatic cutaneous squamous cell carcinoma; Locally advanced cutaneous squamous cell carcinoma; Adjuvant treatment of cutaneous squamous cell carcinoma at high risk of recurrence after surgery and radiation; Locally advanced basal cell carcinoma; Metastatic basal cell carcinoma; First-line treatment of locally advanced or metastatic non-small cell lung cancer in combination with platinum-based chemotherapy; First-line monotherapy for locally advanced or metastatic non-small cell lung cancer with high PD-L1 expression (TPS ≥50%).

Source: FDA Label • Regeneron

How LIBTAYO Works

Cemiplimab-rwlc is a recombinant human monoclonal antibody that binds to the PD-1 receptor on T cells. Normally, when PD-1 ligands (PD-L1 and PD-L2) bind to this receptor, they inhibit T-cell proliferation and the immune response, a mechanism tumors use to evade detection. By blocking these interactions, the drug releases the inhibition of the immune system, specifically the anti-tumor immune response. This reactivation allows the immune system to recognize and decrease the growth of tumor cells.

Development Insights

Regeneron Pharmaceuticals conducting 4 trials (36%)
20 indications explored (Broad Platform)
cutaneous squamous cell carcinoma (3 trials)
non-small cell lung cancer stage iii (1 trials)
merkel cell carcinoma (1 trials)
9
Indications
--
Phase 3 Trials
5
Priority Reviews
7
Years on Market

Details

Status
Prescription
First Approved
2018-09-28
Revenue
$50M (Q2-2022)

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Routes
INTRAVENOUS
Dosage Forms
INJECTABLE

Companies

Active Ingredient: CEMIPLIMAB-RWLC

LIBTAYO Approval History

2019
2020
2021
2022
2023
2024
2025
2026
Original
New Indication
New Form
Label Update
15 FDA actions from 2018 to 2025 · 8 indication expansions
Oct 2025 SUPPL Priority
Efficacy
Oct 2025 SUPPL Priority
Efficacy
Apr 2024 SUPPL
Efficacy

What LIBTAYO Treats

7 indications

LIBTAYO is approved for 7 conditions since its original approval in 2018. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Metastatic cutaneous squamous cell carcinoma
  • Locally advanced cutaneous squamous cell carcinoma
  • Adjuvant treatment of cutaneous squamous cell carcinoma at high risk of recurrence after surgery and radiation
  • Locally advanced basal cell carcinoma
  • Metastatic basal cell carcinoma
  • First-line treatment of locally advanced or metastatic non-small cell lung cancer in combination with platinum-based chemotherapy
  • First-line monotherapy for locally advanced or metastatic non-small cell lung cancer with high PD-L1 expression (TPS ≥50%)
Source: FDA Label

LIBTAYO Target & Pathway

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Target

PD-1 (Programmed Cell Death Protein 1) Immune Checkpoint

An immune checkpoint receptor on T-cells that acts as an 'off switch' for immune responses. Cancer cells often exploit PD-1 by expressing its ligands (PD-L1/PD-L2), allowing tumors to evade immune detection. Blocking PD-1 releases this brake, enabling T-cells to recognize and attack cancer cells.

Pathway Context

PD-1 on T-cells binds to PD-L1/PD-L2 on tumor cells, suppressing immune attack

PD-L1 (Programmed Death-Ligand 1) ligand

A protein expressed on tumor cells and immune cells that binds to PD-1 on T-cells, suppressing immune responses. Many cancers overexpress PD-L1 to avoid immune attack. Blocking PD-L1 prevents this immune suppression, allowing the body's T-cells to fight cancer.

PD-L2 (Programmed Death-Ligand 2) ligand

A second ligand for PD-1, expressed on antigen-presenting cells and some tumors. PD-L2 binds PD-1 with higher affinity than PD-L1 but is less widely expressed. Drugs blocking PD-1 prevent both PD-L1 and PD-L2 interactions.

LIBTAYO Competitive Set

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Filters applied: drops same-active-ingredient (505(b)(2) reformulations), route-mismatch (topical vs systemic), and cross-therapeutic-area matches in same-indication rings.

Drugs Similar to LIBTAYO

FDA-approved drugs for similar conditions. Compare mechanisms and indications to understand treatment alternatives.

ERIVEDGE
VISMODEGIB
1 shared
Roche
Shared indications:
Metastatic Basal Cell Carcinoma
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Clinical Trial Registry

11 trials
Trial Sponsor ID Phase Status Title
NCT03409614 results posted R2810-ONC-16113 2017-001311-36 Ph 3 completed Combinations of Cemiplimab (Anti-PD-1 Antibody) and Platinum-based Doublet Chemotherapy in Patients With Lung Cancer
NCT06449313 NEO-SURG STUDY00007668 Ph 2 recruiting Neoadjuvant Chemo-Immunotherapy and Surgical Resection in Locally Advanced Non-small Cell Lung Cancer With N3 Lymph Node Involvement
NCT04975152 MCC-20794 Ph 1 active not recruiting Neoadjuvant Cemiplimab in Newly Diagnosed or Recurrent Stage I-II Merkel Cell Carcinoma and Locoregionally Advanced Cutaneous Squamous Cell Carcinoma
NCT03951831 AAAS1863 Ph 2 active not recruiting REGN2810 Followed by Chemoimmunotherapy for Newly Metastatic Hormone-sensitive Prostate Cancer
NCT04006119 results posted ATI001-204 Ph 2 terminated Study of Ad-RTS-hIL-12 + Veledimex in Combination With Cemiplimab in Subjects With Recurrent or Progressive Glioblastoma
NCT05729139 2021-RAB-001 Ph 1 withdrawn Cemiplimab/Peg-Interferon-α in Advanced CSCC
NCT04242173 results posted MCC-20114 Ph 2 terminated Cemiplimab-rwlc for Unresectable Locally Recurrent and/or Metastatic CSCC
NCT04831450 20200543 Ph 2 withdrawn Phase 2 Trial of Maintenance Cemiplimab for Head and Neck Squamous Cell Carcinoma (HNSCC)
NCT03002376 R2810-ONC-1606 2016-002755-16 Ph 1 completed An Exploratory Tumor Biopsy-driven Study to Understand the Relationship Between Biomarkers and Clinical Response in Melanoma Patients Receiving REGN2810 (Anti-PD-1)
NCT03198130 R2810-ONC-1655 2016-004029-18 Ph 1 completed An Exploratory Tumor Biopsy-driven Study to Understand the Relationship Between Biomarkers and Clinical Response in Patients With Head and Neck Cancer Receiving REGN2810 (Anti-PD-1)
NCT02520245 R2810-ONC-1425 Ph 1 withdrawn Companion Study for Patients Who Completed Participation in a REGN2810 (Anti-PD-1) Clinical Study
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Active Pipeline

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Key Completed Trials

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Completed studies with published results, ranked by significance

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Trial Timeline

Full development history with FDA approval milestones

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Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

LIBTAYO FDA Label Details

Indications & Usage

FDA Label (PDF)

LIBTAYO is indicated for the treatment of Metastatic cutaneous squamous cell carcinoma; Locally advanced cutaneous squamous cell carcinoma; Adjuvant treatment of cutaneous squamous cell carcinoma at high risk of recurrence after surgery and radiation; Locally advanced basal cell carcinoma; Metastatic basal cell carcinoma; First-line treatment of locally advanced or metastatic non-small cell lung cancer in combination with platinum-based chemotherapy; First-line monotherapy for locally advanced or metastatic non-small cell lung cancer with high PD-L1 expression (TPS ≥50%).

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Deep insights for LIBTAYO

Revenue Insights

  • Q2-2022: $50M
  • Historical trend analysis

Patent Timeline

  • Patent expiration dates
  • Generic/biosimilar risk

Trial Analysis

  • 11 total trials
  • Stage: Stable

Competitive Landscape

  • 1 similar drugs
  • Same target/indication analysis
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Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.

How We Calculate These Metrics

Trial Activity Stage

Measures the current development activity pattern based on trial phases, status, and trends. Important: This measures R&D activity, not commercial lifecycle.

Trial statuses: "Active" means recruiting or ongoing. "Completed" means reached planned endpoint. "Terminated" means stopped early—often due to safety, efficacy, or business reasons.

  • Growth: High proportion of early-phase trials (Phase 1/2), active development
  • Expansion: Significant Phase 3 activity, approaching or pursuing approvals
  • Mature: Substantial Phase 4 post-marketing studies
  • Stable: Mixed phase distribution, steady development
  • Declining: Low active trial ratio, reduced R&D investment