HERNEXEOS

Zongertinib pharmacokinetics were observed at steady state in patients with advanced or metastatic solid tumors with HER2 aberrations at the approved recommended dosage and are presented as geometric mean (CV%), unless otherwise specified. Zongertinib maximum concentration (C max,ss ) is 3.0 (37%) µmol/L and the total systemic exposure (AUC) is 34 (34%) µmol*h/L following HERNEXEOS 120 mg orally daily. Zongertinib C max and AUC increase in an approximately dose proportional manner across the dos...

HERNEXEOS was evaluated in Beamion LUNG-1 (NCT04886804), a single arm, open-label, multi-center, multi-cohort trial. Eligible patients were required to have unresectable or metastatic NSCLC with HER2 (ERBB2) mutations. Patients with stable brain metastases were eligible to enroll. The study excluded patients who had a history of non-infectious interstitial lung disease/pneumonitis. Patients received HERNEXEOS 120 mg orally once daily until disease progression or unacceptable toxicity. The major efficacy outcome measures were objective response rate (ORR) and duration of response (DOR) by Respo...

The following adverse reactions are discussed in greater detail in other sections of the labeling: Hepatotoxicity [see Warnings and Precautions (5.1) ] Left Ventricular Dysfunction [see Warnings and Precautions (5.2) ] Interstitial Lung Disease/Pneumonitis [see Warnings and Precautions (5.3) ] Most common adverse reactions (≥ 20%) are diarrhea, hepatotoxicity, rash, fatigue, and nausea. ( 6.1 ) The most common (≥ 2%) Grade 3 or 4 laboratory abnormalities were decreased lymphocytes, increased ala...

None. None. ( 4 )

Hepatotoxicity : Monitor liver function tests including ALT, AST, and total bilirubin at baseline prior to administration, every 2 weeks during the first 12 weeks, and then monthly thereafter as clinically indicated, with more frequent testing in patients who develop transaminase elevations. Interrupt, reduce the dose, or permanently discontinue HERNEXEOS based on severity. ( 5.1 ) Left Ventricular Dysfunction : Before initiating, evaluate LVEF and monitor at regular intervals during treatment a...

7 DRUG INTERACTIONS Strong CYP3A Inducers : Avoid concomitant use with strong CYP3A inducers. If concomitant use cannot be avoided, increase HERNEXEOS dose. ( 7.1 ) BCRP Substrates : Avoid concomitant use with certain BCRP substrates where minimal concentration increase may lead to serious adverse reactions and consider alternative therapies. If concomitant use cannot be avoided, monitor patients ...