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Firmonertinib (160mg) as First-line Therapy for Locally Advanced or Metastatic Non-Small Cell Lung Cancer with EGFR/TP53 Co-Mutation: An Open-Label, Single-Arm, Multicenter Clinical Study

Firmonertinib (160mg) as First-line Therapy for Locally Advanced or Metastatic Non-Small Cell Lung Cancer with EGFR/TP53 Co-Mutation: An Open-Label, Single-Arm, Multicenter Clinical Study

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600124298
Enrollment
Unknown
Registered
2026-05-09
Start date
2025-10-29
Completion date
Unknown
Last updated
2026-05-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Non-small cell lung cancer

Interventions

Experimental group:Furmonertinib 160mg Oral QD

Sponsors

The Second Affiliated Hospital of Nanjing Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.Signed informed consent obtained from the patient or their legal representative; 2.Age >=18 years; 3.Histologically or cytologically confirmed unresectable locally advanced (Stage IIIB/IIIC), metastatic, or recurrent (Stage IV) NSCLC, as per the 9th edition of the IASLC/AJCC TNM staging system, and ineligible for definitive concurrent chemoradiotherapy; 4.Availability of pretreatment tumor tissue or cytology specimens for molecular testing, confirming the presence of an EGFR mutation (exon 19 deletion or L858R) with concurrent TP53 co-mutation; 5.ECOG performance status of 0–1 and life expectancy >=12 weeks; 6.At least one measurable lesion per RECIST v1.1 criteria; 7.No prior systemic anti-tumor therapy for the current disease; 8.For subjects with brain metastases: Clinically stable for >=4 weeks prior to the first dose of study treatment,No requirement for corticosteroids or anticonvulsants for >=14 days prior to the first dose, No need for immediate local therapy for brain metastases per investigator assessment; 9.Adequate organ function (bone marrow, hepatic, renal, and coagulation); 10.Willing and able to comply with study procedures, including oral drug administration.

Exclusion criteria

Exclusion criteria: 1.Known hypersensitivity history to active/inactive excipients of furmonertinib or drugs with similar structures/pharmacological classes to the investigational product; 2.Confirmed EGFR exon 20 insertion mutations or other uncommon EGFR mutations (e.g., G719X, L816Q, S761I); 3.Prior systemic anti-tumor therapy for advanced/metastatic NSCLC (including standard chemotherapy, biologics, targeted therapy, immunotherapy, or investigational drugs); 4.Other malignancies within 5 years (except adequately controlled basal cell carcinoma, cervical carcinoma in situ, or ductal carcinoma in situ of the breast); 5.Uncontrolled systemic diseases (e.g., hypertension, diabetes, active bleeding) that may compromise protocol compliance per investigator assessment; 6.Severe comorbidities, including:Active/uncontrolled infections (e.g., tuberculosis, HIV), decompensated liver disease or active hepatitis, active bleeding; cerebrovascular events or pulmonary embolism; active/known/suspected autoimmune diseases; 7.Clinically significant abnormalities affecting safety evaluation: (1).Ventricular/supraventricular arrhythmias or atrial fibrillation requiring medication (QTcB >480 ms); (2).Grade =3 congestive heart failure (NCI-CTCAE v5.0), unstable angina, or myocardial infarction within 6 months; (3).Extensive drug-treated interstitial lung disease; 8.Prior treatments within specified timeframes: (1).Any prior EGFR-TKI therapy; (2).Intrapleural therapy (eligible only if pleural effusion stabilized >=28 days); (3).Major surgery (Grade 3/4 per Chinese Clinical Application of Medical Technology Management, 2009) within 28 days before dosing; (4).Radiation involving >=30% bone marrow or wide-field radiotherapy within 28 days, or palliative/local radiotherapy within 14 days; (5).Strong CYP3A4 inhibitors/inducers within 7 days; (6).Antitumor traditional Chinese medicines within 7 days; (7).QT-prolonging drugs with torsades de pointes risk; (8).Other investigational drugs within 5 half-lives or 2 months (whichever is longer); 9.Symptomatic CNS involvement: spinal cord compression or symptomatic brain metastases (except asymptomatic/stable lesions without steroids =28 days); post-radiation patients eligible only if neurologically stable >=28 days after radiotherapy; 10.Pregnancy or lactation;

Design outcomes

Primary

MeasureTime frame
Progression-free survival;

Secondary

MeasureTime frame
Objective Response Rate;Disease Control Rate;Overall Survival;

Countries

China

Contacts

Public ContactHongbing Liu

The Second Affiliated Hospital of Nanjing Medical University

netlhb@126.com+86 138 5229 3363

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: May 16, 2026