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Data updated: Mar 10, 2026

CINQAIR

RESLIZUMAB Interleukin-5 Antagonists
Immunology Approved 2016-03-23

CINQAIR (reslizumab) is an interleukin-5 antagonist monoclonal antibody indicated for the add-on maintenance treatment of severe asthma. It is specifically approved for adult patients aged 18 years and older who present with an eosinophilic phenotype. The medication is not intended for the treatment of other eosinophilic conditions or for the relief of acute respiratory symptoms such as bronchosp

Source: FDA Label • Teva • Interleukin-5 Antagonist
1
Indication
--
Phase 3 Trials
9
Years on Market

Details

Status
Prescription
First Approved
2016-03-23
Routes
INJECTION
Dosage Forms
INJECTABLE

Companies

Active Ingredient: RESLIZUMAB

CINQAIR Approval History

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What CINQAIR Treats

1 indications

CINQAIR is approved for 1 conditions since its original approval in 2016. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Asthma
Source: FDA Label

CINQAIR Boxed Warning

ANAPHYLAXIS Anaphylaxis has been observed with CINQAIR infusion in 0.3% of patients in placebo-controlled clinical studies. Anaphylaxis was reported as early as the second dose of CINQAIR [see Warnings and Precautions ( 5.1 ), Adverse Reactions ( 6 )] . Anaphylaxis can be life-threatening. Patients should be observed for an appropriate period of time after CINQAIR administration by a healthcare professional prepared to manage anaphylaxis. Discontinue CINQAIR immediately if the patient experience...

CINQAIR Competitors

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2 other drugs also target IL-5. Compare mechanisms, indications, and trial activity.

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

Competitors share the same molecular target (IL-5). 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.

CINQAIR FDA Label Details

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Indications & Usage

FDA Label (PDF)

CINQAIR ® is indicated for the add-on maintenance treatment of patients with severe asthma aged 18 years and older with an eosinophilic phenotype [see Clinical Studies ] . Limitation of Use: CINQAIR is not indicated for treatment of other eosinophilic conditions. CINQAIR is not indicated for the relief of acute bronchospasm or status asthmaticus [see Warnings and Precautions ] . CINQAIR is an interleukin-5 antagonist monoclonal antibody (IgG4 kappa) indicated for add-on maintenance treatment of patients with severe asthma aged 18 years and older, and with an eosinophilic phenotype . Limitation...

⚠️ BOXED WARNING

WARNING: ANAPHYLAXIS Anaphylaxis has been observed with CINQAIR infusion in 0.3% of patients in placebo-controlled clinical studies. Anaphylaxis was reported as early as the second dose of CINQAIR [see Warnings and Precautions ( 5.1 ), Adverse Reactions ( 6 )] . Anaphylaxis can be life-threatening. ...

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Data Sources

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