💬In plain words
What the trial is, and whether it could suit you
This study is a Phase III, international, multicenter, randomized, controlled, open-label clinical trial. The primary objective is to evaluate the efficacy and safety of furmonertinib plus platinum-based doublet chemotherapy (Arm A) versus osimertinib monotherapy (Arm B) in patients with EGFR sensitizing mutation-positive non-squamous non-small cell lung cancer (NSCLC) and brain metastases. Additionally, a proportion of subjects will receive furmonertinib monotherapy (Arm C) to further explore its efficacy and safety profile.
Stage 1 is the safety run-in phase, planned to enroll approximately 30 subjects who will be randomized at a 1:1 ratio to receive either furmonertinib 80 mg QD plus platinum-based chemotherapy or furmonertinib 160 mg QD plus platinum-based chemotherapy, aiming to evaluate the safety and tolerability of different furmonertinib doses in combination with platinum-based
Sign in to get the eligibility rules as simple questions to take to your doctor.
📋 Eligibility rules (as published)
Inclusion Criteria:
1. Fully understand the trial and voluntarily sign the informed consent form;
2. Age ≥18 years at the time of signing ICF, regardless of gender;
3. Histologically/cytologically confirmed non-squamous NSCLC with brain parenchymal metastases assessed by BICR; Subjects with both brain parenchymal and leptomeningeal metastases are eligible. Subjects without brain metastases may be enrolled in the safety run-in phase.
4. For subjects with brain metastases: clinically stable for ≥4 weeks prior to first dose AND no requirement for corticosteroids/anticonvulsants for ≥14 days prior to first dose; Investigator-confirmed no need for local therapy for brain metastases during screening.
5. Confirmed EGFR sensitizing mutations (ex19del or L858R) via tumor tissue/cytology/blood testing;
6. No prior systemic anti-tumor therapy for advanced/metastatic NSCLC; Subjects who received (neo)adjuvant chemotherapy or definitive chemoradiotherapy must have disease recurrence/progression ≥6 months after completion;
7. ≥1 measurable intracranial AND extracranial lesion(s) per RECIST v1.1 without prior local treatment;
8. ECOG PS 0-1 with no deterioration within 2 weeks prior to first dose, and life expectancy ≥3 months;
9. Adequate bone marrow and organ function (no transfusion/G-CSF within 2 weeks prior to first dose);
10. All prior treatment-related toxicities resolved to ≤Grade 1 (per NCI CTCAE v5.0) except alopecia (≤Grade 2) or peripheral neuropathy (≤Grade 2);
11. Women of childbearing potential (WOCBP) must have negative serum pregnancy test within 7 days prior to first dose, be non-lactating, and use effective contraception from ICF signing until 6 months after last dose. Male subjects with fertile partners must use contraception during the same period.
Exclusion Criteria:
1. The tumor histology or cytology confirmed that the combination of neuroendocrine carcinoma, sarcomatoid carcinoma or squamous cell carcinoma was more than 10%;
2. Known subjects with ALK positive, ros1 positive, RET fusion positive, ntrk fusion positive, BRAF V600 mutation, met exon 14 skipping variant and other approved drugs for this target;
3. Subjects with meningeal metastasis but no brain parenchymal metastasis confirmed by MRI and / or CSF malignant cell examination;
4. Subjects who have previously received any of the following treatments:
1. Have received any systemic anti-tumor therapy targeting EGFR in the past, including those in clinical research stage (including EGFR TKI, monoclonal antibody, bispecific antibody, etc.);
2. Previously received systemic antitumor therapy (such as chemotherapy, targeted therapy, immunotherapy, etc.) for locally advanced / metastatic non-small cell lung cancer;
3. Received \> 30 Gy of chest radiotherapy within 6 months before the first dose; Received non thoracic radiotherapy of \>30 Gy within 4 weeks before the first dose; Received palliative radiotherapy ≤ 30Gy within 2 weeks before the first dose; Previous brain radiotherapy;
5. Chinese patent medicine that has received non-specific immune modulators (including but not limited to interferon and IL-2) and approved anti-tumor indications within 2 weeks before the first administration;
6. Have used any strong inhibitor of cytochrome P450 3A4 (CYP3A4) within 7 days before the first administration or any strong inducer of CYP3A4 within 21 days before the first administration;
7. Other malignant tumors in addition to the primary tumor; Skin basal cell or squamous cell carcinoma, superficial bladder cancer, cervical carcinoma in situ, breast ductal carcinoma in situ and papillary thyroid cancer that can be treated locally and have been cured can be selected; Subjects with a history of other malignancies and who have been cured for ≥ 3 years after radical treatment can be enrolled;
8. Brain metastasis subjects with known brain stem metastasis, spinal cord metastasis and / or compression; Subjects with acute or progressive intracranial hypertension related symptoms during the screening period; Subjects with brain herniation or near brain herniation; Brain imaging revealed significant brain midline deviation and other subjects requiring urgent local treatment;
9. According to CTCAE 5.0, there were subjects with grade 2 headache, vomiting, papilledema, etc. caused by increased intracranial pressure during the screening period; Subjects with grade 2 sensory / motor impairment and visual field damage caused by brain metastasis during the screening period; Subjects with mental symptoms (such as dementia, sluggish reaction, etc.) or seizures caused by brain metastasis during the screening period; Subjects who can control relevant central nervous system symptoms ≤ 1 grade by steroid hormones or anticonvulsants can be enrolled;
10. The tumor invades the surrounding important organs and blood vessels (such as the heart, esophagus, superior vena cava, etc.) or has the risk of esophago tracheal fistula or esophago pleural fistula;
11. Cardiovascular and cerebrovascular disease or cardiovascular and cerebrovascular risk factors exist.
12. There are uncontrollable systemic diseases.
13. There is a history of (non infectious) interstitial lung disease (ILD) or non infectious pneumonia requiring steroid treatment.
14. Pulmonary complications lead to clinically severe lung damage.
15. Severe acute or chronic infection
16. Subjects who are receiving long-term systemic corticosteroid therapy with prednisone \> 10 mg/d or equivalent anti-inflammatory active drugs or any form of immunosuppressive therapy before the first administration \[subjects who need bronchodilators, inhaled or topical steroids or local steroid injection therapy, or as preventive medication for hypersensitivity reactions (such as medication before CT examination, etc.), or to control central nervous system symptoms in patients with brain metastasis can be included in the study\];
17. Subjects who had undergone major surgery within 4 weeks before the first dose or w
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