The Effectiveness and Safety of SBRT in the Treatment of Patients With MPLC After Surgery (SMILE)
SMILE
To Evaluate the Effectiveness and Safety of Stereotactic Radiotherapy (SBRT) in the Treatment of Patients With Residual Malignant Pulmonary Nodules After Lung Cancer Surgery: A Multi-center, Prospective Clinical Trial (SMILE)
1 other identifier
observational
40
1 country
5
Brief Summary
To prospectively evaluate the effectiveness and safety of SBRT in the treatment of residual malignant pulmonary nodules after lung cancer, and is committed to providing new treatment options for patients with multiple primary malignant pulmonary nodules who cannot tolerate multiple operations.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for all trials
Started Jul 2021
Longer than P75 for all trials
5 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
July 1, 2021
CompletedFirst Submitted
Initial submission to the registry
November 5, 2021
CompletedFirst Posted
Study publicly available on registry
November 9, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 31, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
December 31, 2026
November 28, 2025
November 1, 2025
5.5 years
November 5, 2021
November 21, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Local control rate of cancer of SBRT
Local control rate of cancer
2-year
Incidence of Treatment-Emergent Adverse Events of SBRT [Safety and Tolerability]
Treatment-related adverse event
2-year
Secondary Outcomes (4)
Survival
2-year
Survival
2-year
PFS
2-year
OS
2-year
Study Arms (1)
SBRT group
Patients with residual lung nodules are treated with SBRT
Interventions
Eligibility Criteria
Patients with inoperable residual malignant nodules after early multiple primary lung cancer surgery
You may qualify if:
- (1) Age 18-75 years old; (2) ECOG score 0-2 points; (3) Chest CT showed at least two lung nodules (pure ground glass, partial solid or solid nodules); (4) At least one lesion has been pathologically diagnosed as lung cancer (T1N0M0-T1N1M0); (5) At least one residual pulmonary nodule has been diagnosed pathologically or multidisciplinary diagnosis and treatment (MDT) discussed and considered as a primary malignant pulmonary nodule; (6) The residual lung nodules are inoperable or operable but the patient refuses to be surgically removed; (7) Have self-consciousness and can sign informed consent; (8) Must be able to swallow tablets.
You may not qualify if:
- (1) There are metastatic pulmonary nodules; (2) Have received chest radiotherapy in the past; (3) Lymph node metastasis or distant metastasis; (4) The tumor is located in the proximal bronchial tree area. The proximal bronchial tree is defined as carina, left and right main bronchus, left and right upper lobe bronchus, middle bronchus, right middle lobe bronchus, lingual bronchus, left and right lower lobe bronchi; the proximal bronchial tree area is defined as surrounding the proximal bronchial tree in all directions The area within 2cm above; (5) Pneumonectomy patients; (6) Severe primary diseases such as heart, liver, kidney, hematopoietic system, etc.; (7) Women during pregnancy and lactation; (8) Active period of the human immunodeficiency virus (HIV) infection; (9) Those with active systemic infection, pneumonia, tuberculosis, and pericarditis; (10) There is a history of psychotropic drug abuse or drug abuse;(11)Insulin dependent diabetes;(12) Thyroid disease
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Fang Wulead
- Xiangya Hospital of Central South Universitycollaborator
- The Third Xiangya Hospital of Central South Universitycollaborator
- Hunan Cancer Hospitalcollaborator
Study Sites (5)
Oncology Department,Second Xiangya Hospital of Central South University
Changsha, Hunan, 410011, China
Hunan Cancer Hospital
Changsha, China
The Third Xiangya Hospital, Central South University
Changsha, China
Xiangya Hospital, Central South University
Changsha, China
Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology
Wuhan, China
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Target Duration
- 2 Years
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR INVESTIGATOR
- PI Title
- Clinical Associate Professor
Study Record Dates
First Submitted
November 5, 2021
First Posted
November 9, 2021
Study Start
July 1, 2021
Primary Completion (Estimated)
December 31, 2026
Study Completion (Estimated)
December 31, 2026
Last Updated
November 28, 2025
Record last verified: 2025-11