Fasenra Safety Profile & Adverse Events

Safety Profile Overview

Anti-IL-5 receptor alpha antibody for severe eosinophilic asthma. Provides near-complete eosinophil depletion through ADCC.

Generic Name

benralizumab

Brand Names

Fasenra

Therapeutic Class

Anti-IL-5R Monoclonal Antibody

Manufacturer

AstraZeneca

What Pharma Signal Tracks for Fasenra

Adverse Events (FAERS) — All FDA Adverse Event Reporting System reports mentioning Fasenra, including serious outcomes, hospitalizations, and deaths.
FDA Recalls — Class I, II, and III recalls, market withdrawals, and safety alerts related to Fasenra products.
Label Changes — Boxed warning additions, new contraindications, dosing modifications, and safety-related labeling supplements.
Risk Score — Composite risk score (0–100) combining adverse event rates, recall history, and label severity with explainable breakdown.
Pharmacovigilance Signals — Proportional Reporting Ratio (PRR) and Reporting Odds Ratio (ROR) analysis detecting disproportionate adverse reactions.
Trend Analysis — Monthly time series with anomaly detection for emerging safety signals.

Data Disclaimer: Pharma Signal aggregates data from the FDA Adverse Event Reporting System (FAERS) and other public regulatory sources. FAERS reports do not establish causation. Report counts may reflect prescription volume rather than relative safety. Always consult healthcare professionals for medical decisions.

Get Fasenra Safety Data via API

One API call returns adverse events, risk scores, recalls, and pharmacovigilance signals for Fasenra.

curl "https://api.pharma-signal.com/drug/safety/fasenra" \
  -H "X-API-Key: your_key"

# Returns risk score, adverse event counts,
# serious/death rates, recalls, and signals

Try the API API Reference

Related Safety Intelligence

Pharma Signal provides comparative analysis across therapeutic classes. Compare Fasenra against other Anti-IL-5R Monoclonal Antibody drugs, or explore the full manufacturer portfolio for AstraZeneca.

Head-to-head comparison — Compare up to 5 drugs side by side on all safety metrics.
Therapeutic class benchmarking — See how Fasenra ranks within Anti-IL-5R Monoclonal Antibody on serious event rates.
Company portfolio risk — View all drugs from AstraZeneca with aggregate risk exposure.
AI analyst briefs — Get a natural-language safety assessment combining all data sources.