Early or Delayed Intervention of Brain Radiotherapy Combined With Almonertinib in EGFR Mutated NSCLC With Brain Metastases

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Early or Delayed Intervention of Brain Radiotherapy Combined With Almonertinib in EGFR Mutated NSCLC With Brain Metastases

Study Purpose

This is a prospective, multicenter, randomized, controlled clinical study of NSCLC patients with intracranial oligo-metastatic EGFR-sensitive mutations treated with EGFR-TKI Almonertinib , according to the implementation time of brain radiotherapy. Patients were randomly divided into two groups, experimental group (early intervention group of brain radiotherapy) : the brain radiotherapy started within 1 month of TKI treatment, the brain radiotherapy here specifically refers to stereotactic radiotherapy; Control group (brain radiotherapy late intervention group) : Brain radiotherapy was given within 3 months after brain progression during TKI treatment. The differences in OS,iPFS, PFS, iORR, safety, neurocognitive function and quality of life between the two groups were compared.

Recruitment Criteria

Accepts Healthy Volunteers Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms	No
Study Type An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes. An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes. Searching Both is inclusive of interventional and observational studies.	Interventional
Eligible Ages	18 Years - 75 Years
Gender	All

More Inclusion & Exclusion Criteria

Inclusion Criteria:

- Patients with histologically or cytologically confirmed non-small cell lung cancer; - Initial diagnosis of intracranial oligometastases (no treatment after brain metastases) was defined as brain parenchymal metastases confirmed by MRI, the number of intracranial parenchymal metastases was less than 5, and the lesions were 3mm away from the optic nerve and brainstem; There must be at least one measurable lesion with a diameter of 5mm or more in the brain.

- EGFR sensitivity mutation (exon19del or exon21 L858R); - Anti-EGFR-targeting drugs and other TKI drugs have not been used in the past; - Age 18-75;
Inclusion criteria:
- A history (past or concurrent) of malignancies in other sites, excluding curable non-melanoma skin cancer and cervical carcinoma in situ; - The subjects had received brain radiotherapy before enrollment; - Patients whose lung lesions were surgically evaluated as resectable were not included if there was no metastasis in other parts of the body; - Received EGFR inhibitors (including small molecule or monoclonal antibody therapy) or systematic anti-tumor therapy before treatment; - Prior patients with interstitial lung disease, drug-induced interstitial disease, radiation pneumonia requiring hormone therapy, or any clinically proven active interstitial lung disease with idiopathic pulmonary fibrosis found on CT scan at baseline; - Pregnant and lactating patients; - MRI contraindicated patients; - Patients who cannot receive oral administration, need intravenous high-energy nutrition, have undergone previous surgery that interferes with absorption, or have active digestive tract ulcers; - The researchers judged that brain radiotherapy could not be received because of other head and facial diseases; - Any unstable systemic disease (including active infection, poorly controlled hypertension, unstable angina, congestive heart failure, liver, kidney or metabolic disease).

Trial Details

Trial ID: This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.	NCT05768490
Phase Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans. Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data. Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs. Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.	Phase 3
Lead Sponsor The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.	Sun Yat-sen University
Principal Investigator The person who is responsible for the scientific and technical direction of the entire clinical study.	Likun Chen
Principal Investigator Affiliation	sunyat-sen university cancer center
Agency Class Category of organization(s) involved as sponsor (and collaborator) supporting the trial.	Other
Overall Status	Recruiting
Countries	China
Conditions The disease, disorder, syndrome, illness, or injury that is being studied.	Brain Metastases, Radiotherapy, EGFR Activating Mutation

Arms & Interventions

Arms

Experimental: early intervention group of brain radiotherapy

the brain radiotherapy started within 1 month of almonertinib the brain radiotherapy here specifically refers to stereotactic radiotherapy

Active Comparator: late intervention group of brain radiotherapy

Brain radiotherapy was given within 3 months after brain progression during almonertinib treatment

Interventions

Radiation: - brain radiotherapy

Patients were randomly divided into two groups, experimental group (early intervention group of brain radiotherapy) : the brain radiotherapy started within 1 month of TKI treatment, the brain radiotherapy here specifically refers to stereotactic radiotherapy; Control group (brain radiotherapy late intervention group) : Brain radiotherapy was given within 3 months after brain progression during TKI treatment.

Drug: - Almonertinib

almonertinib po 110mg QD

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