Bevacizumab and Radiotherapy for Oligometastasis of Lung Adenocarcinoma With Negative Driver Gene

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    Sun Yat-sen University
Updated on 22 January 2021


This prospective phase II study is determined to explore the efficacy and safety of radiotherapy and bevacizumab maintenance therapy for oligometastatic lung adenocarcinoma with negative driver genes


This prospective phase II study is determined to explore the efficacy and safety of radiotherapy and bevacizumab maintenance therapy for oligometastatic lung adenocarcinoma with negative driver genes.

The patients receive SBRT radiotherapy for the primary (if any) and metastatic lesions or divided radiotherapy with or without concurrent chemotherapy.Bevacizumab maintenance therapy starts 1-2 months later after the chemotherapy.The recommended dose for intravenous infusion is 15mg/kg body weight, and the drug is given every 3 weeks until disease progression or intolerable toxicity occurs. Toxicities will be graded according to National Cancer Institute Common Terminology Criteria for Adverse Events (CTCAE) v. 4.0.

Condition Lung Adenocarcinoma
Treatment Concurrent chemotherapy, chest radiation, Bevacizumab Injection
Clinical Study IdentifierNCT03905317
SponsorSun Yat-sen University
Last Modified on22 January 2021


Yes No Not Sure

Inclusion Criteria

Pathological confirmation of lung adenocarcinoma with negative driver gene including EGFR and ALK
Simultaneous oligometastasis, or oligometastasis which occurs after treatment of stage i-iii lung adenocarcinoma (1-5 metastases)
Oligometasis confirmed by CT, brain MR, bone ECT or PETCT within 30 days before enrollment

Exclusion Criteria

years old
Eastern Cooperative Oncology Group (ECOG) performance status 0-2
Organ and bone marrow functions are normal within the first 30 days of enrollment, including: AST, ALT 2.5 _ULN or 5_ ULN (with liver metastasis); TBil 1.5 ULN neutrophils absolute value 500 cells/mm3 creatinine clearance 45 mL/min ; platelets50,000 cells/mm3
Negative pregnancy test 1 week before enrollment for women of childbearing age
Patients with concurrent oligostasis should have received at least 4 courses of first-line chemotherapy, and SD or PR should be evaluated after chemotherapy
Patients with stage i-iii lung adenocarcinoma with oligo-metastasis after treatment who have previously received systemic chemotherapy (such as concurrent radiotherapy chemotherapy or postoperative adjuvant chemotherapy) are admitted to the group
Patients who have received brain radiation therapy due to brain metastasis are admitted to the group
The baseline is the exsiting of measurable lesions, and the metastatic lesions are treated with local radiotherapy;The number of metastases defines as
\- A) two metastatic lesions are identified when bilateral adrenal glands have lesions
\- B) two consecutive vertebral lesions and paravertebral lesions within 6cm can be considered as one metastatic lesion, and the lesions of non-continuous vertebral body should be counted separately
\- C) the adjacent lesions in the liver, lung and mediastinum can be considered as a metastatic lesion if one isocentric irradiation can be used
For simultaneous oligostasis, the feasibility of primary focus radiotherapy should be evaluated, and the primary focus must be capable of receiving radiotherapy before being enrolled;For the primary lesion, SBRT or fractionated radiotherapy can be applied according to the site and surrounding invasion
For the heterogeneous oligometastasis of the primary lesion that has received surgery or local radiotherapy, the feasibility of local radiotherapy should be evaluated when the local recurrence lesion occurs, and the local recurrence lesion can be treated with subdivided radiotherapy or SBRT before inclusion
Patients with intracranial metastasis are allowed to be enrolled, but the intracranial lesions should be treated in advance and be in a stable state, and the number of intracranial lesions should be counted within the number of metastases
Patients should be enrolled within 35 days after the last systemic treatment
Patients and their family signed the informed consents
Exclusion Criteria
Lung squamous carcinoma
The tumor has completely approached, encircled, or invaded the intravascular space of the great vessels (e.g., the pulmonary artery or the superior vena cava)
The tumor is associated with a cavity over 2cm in diameter
Bleeding tendency or coagulation disorder
Patients with hemoptysis (1/2 teaspoon blood/day) within 1 month
Full-dose anticoagulation therapy was used within the past 1 month
Severe vascular disease occurred within 6 months
Gastrointestinal fistula, perforation or abdominal abscess occurred within 6 months
Hypertensive crisis, hypertensive encephalopathy, symptomatic heart failure (New York class II or above), active cerebrovascular disease or cardiovascular disease occurred within 6 months
Uncontrolled hypertension (systolic > 150mmHg and/or diastolic > 100mmHg)
Major surgery within 28 days or minor surgery or needle biopsy within 48 hours
Urine protein 3-4+, or 24h urine protein quantitative >1g
Degree 3 esophagitis after chemoradiotherapy has not recovered
The investigator does not consider the participant to be eligible for this study
Metastatic lesions involving esophagus, stomach, small intestine or mesenteric lymph nodes
The metastatic lesion is adjacent to the primary radiation range, and the radiotherapy physician cannot tolerate the secondary radiotherapy
Malignant pleural effusion without obvious remission after first-line chemotherapy
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