TheraRadar
Data updated: Mar 29, 2026

UNLOXCYT

COSIBELIMAB-IPDL Programmed Death Ligand-1 Antagonists
Oncology Approved 2024-12-13

UNLOXCYT (cosibelimab-ipdl) is a programmed death ligand-1 (PD-L1) blocking antibody indicated for the treatment of adult patients with cutaneous squamous cell carcinoma (CSCC). It is specifically approved for use in patients with metastatic disease or locally advanced disease. This therapy is intended for individuals who are not eligible for curative surgery or curative radiation.

Source: FDA Label • CHECKPOINT THERAPEUTICS INC • Programmed Death Ligand-1 Blocker

How UNLOXCYT Works

Cosibelimab-ipdl works by binding to PD-L1, a protein that can be expressed on tumor cells to inhibit the body's anti-tumor immune response. By blocking the interaction between PD-L1 and its receptors, PD-1 and B7.1, the drug releases the inhibitory effects on T cells, thereby restoring cytotoxic T-cell activity and proliferation. Additionally, the drug has been shown to induce antibody-dependent cell-mediated cytotoxicity (ADCC) in vitro.

2
Indications
--
Phase 3 Trials
1
Years on Market

Details

Status
Prescription
First Approved
2024-12-13
Routes
INJECTION
Dosage Forms
INJECTABLE

Companies

Active Ingredient: COSIBELIMAB-IPDL

UNLOXCYT Approval History

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What UNLOXCYT Treats

1 indications

UNLOXCYT is approved for 1 conditions since its original approval in 2024. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Cutaneous Squamous Cell Carcinoma
Source: FDA Label

UNLOXCYT Competitors

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10 other drugs also target PD-1. Compare mechanisms, indications, and trial activity.

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Drug = Competitor name Company = Manufacturer N indic. = FDA-approved indications → Date = Patent/exclusivity expiry

Competitors share the same molecular target (PD-1). Earlier expiry dates signal biosimilar/generic opportunities.

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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.

UNLOXCYT FDA Label Details

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Indications & Usage

FDA Label (PDF)

UNLOXCYT is indicated for the treatment of adults with metastatic cutaneous squamous cell carcinoma (mCSCC) or locally advanced CSCC (laCSCC) who are not candidates for curative surgery or curative radiation. UNLOXCYT is a programmed death ligand-1 (PD-L1) blocking antibody indicated for the treatment of adults with metastatic cutaneous squamous cell carcinoma (mCSCC) or locally advanced CSCC (laCSCC) who are not candidates for curative surgery or curative radiation.

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Data Sources

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