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Hyrnuo

sevabertinib
HER2/EGFR Kinase InhibitorFDA Approved 2025Bayer
Route
SC
Half-Life
~18 hrs
FDA Approved
2025
Manufacturer
Bayer
1. Indications and Usage

Adults with locally advanced or metastatic nonsquamous NSCLC with HER2 TKD activating mutations who have received prior systemic therapy.

2. Dosage and Administration

Weight-based dosing; consult prescribing information. Oral once daily.

3. Dosage Forms and Strengths

Tablets: per prescribing information

4. Contraindications

None listed in the prescribing information.

5. Warnings and Precautions
  • ILD/Pneumonitis: Monitor and permanently discontinue if confirmed.
  • Hepatotoxicity: Monitor LFTs.
  • Diarrhea: Severe diarrhea reported.
  • Embryo-Fetal Toxicity: Can cause fetal harm.
6. Adverse Reactions
Most Common Adverse Reactions

Diarrhea (62%), Rash (38%), Nausea (32%), Stomatitis (28%), Paronychia (24%), Fatigue (22%), Dry Skin (20%), Decreased Appetite (18%)

Diarrhea
62%
Rash
38%
Nausea
32%
Stomatitis
28%
Paronychia
24%
Fatigue
22%
Dry Skin
20%
Decreased Appetite
18%

Consult the complete prescribing information for a comprehensive list of adverse reactions and their frequencies.

7. Drug Interactions

Strong CYP3A4 Inhibitors: Caution.
Strong CYP3A4 Inducers: May reduce efficacy.

8. Use in Specific Populations
Pregnancy

Consult the full prescribing information for pregnancy-related considerations.

Lactation

Refer to prescribing information for lactation guidance.

Pediatric Use

Pediatric safety and efficacy information is detailed in the full label.

Hepatic/Renal Impairment

Dose modifications for organ impairment are specified in the complete prescribing information.

12. Clinical Pharmacology
Mechanism of Action

Sevabertinib inhibits HER2 with activating TKD mutations, blocking downstream PI3K/AKT and RAS/MAPK signaling.

Pharmacokinetics

Metabolized by CYP3A4. Full PK in prescribing information.

14. Clinical Studies

Clinical efficacy and safety data supporting the approval are available in the full prescribing information and from the clinical trials listed below.

Pivotal Clinical Trials
Additional Resources
FDA-Approved Tumor Types

Hyrnuo has FDA-approved indications across the following cancer types covered on CancerDrugEvidence:

External Resources
Important Notice: This page is intended as a navigational reference to the FDA-approved prescribing information for Hyrnuo. It does not replace the full prescribing information. Healthcare professionals should consult the complete package insert available at DailyMed before making prescribing decisions. Patient-specific factors should always guide clinical decision-making.

Frequently Asked Questions

What is Hyrnuo (sevabertinib) approved for?

Hyrnuo (sevabertinib) is an FDA-approved oncology agent. Refer to the full prescribing information for complete indication details.

How is Hyrnuo (sevabertinib) administered?

Refer to the full prescribing information for dosing schedules, administration instructions, and dose modifications.

How does Hyrnuo (sevabertinib) work?

Sevabertinib inhibits HER2 with activating TKD mutations, blocking downstream PI3K/AKT and RAS/MAPK signaling.

What are the most common side effects?

Diarrhea (62%), Rash (38%), Nausea (32%), Stomatitis (28%), Paronychia (24%), Fatigue (22%), Dry Skin (20%), Decreased Appetite (18%) Diarrhea 62% Rash 38% Nausea 32% Stomatitis 28% Paronychia 24% Fatigue 22% Dry Skin 20% Decreased Appetite 18%