To Evaluate the Optimal Timing of Postoperative Radiotherapy in Patients With IIIA(N2) Non-Small Cell Lung Cancer

NCT ID: NCT02974426

Last Updated: 2024-06-12

Basic Information

• Recruitment Status: TERMINATED
• Clinical Phase: PHASE3
• Total Enrollment: 132 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2016-11-30
• Study Completion Date: 2024-02-29

Brief Summary

Rationale: Completely resected non-small cell lung cancer (NSCLC) patients with histologically confirmed N2 disease are a heterogeneous population. After complete resection and postoperative chemotherapy (POCT), 20%-40% of cases have a risk of locoregional recurrence (LRR). Postoperative radiation therapy (PORT) should be an integral component of the multidisciplinary treatment for patients with stage IIIA(N2) disease. Postoperative Radiotherapy (PORT)-first strategy may have an advantage of the early administration of locoregional therapy to the mediastinum, in which the tumor burden is presumed to be higher than that of systematic micrometastases. It is not yet known for subsets with specific prognostic factors that confer higher LRR risks, what is the optimal timing of PORT and how to integrate with POCT (in a sequential fashion or concurrent fashion) when PORT is considered for patients with completely resected stage IIIA(N2) NSCLC.

Purpose: This randomized phase III trial is studying the optimal timing of PORT to evaluate whether the PORT-first strategy (PORT administered first with concurrent or subsequent POCT) may be more effective than the PORT-last strategy (PORT administered sequentially following POCT) in treating high risk of LRR patients with completely resected pathologic stage IIIA(N2) NSCLC.

Detailed Description

OBJECTIVES:

1. Primary

• Investigate the optimal timing of PORT for completely resected pathologic stage IIIa(N2) NSCLC by comparing the disease-free survival of patients with high risk of LRR treated with PORT-first vs PORT-last strategy.

2. Secondary

• Determine the overall survival of patients treated with these regimens.
• Compare the locoregional recurrence-free survival in patients treated with these regimens.
• Compare the distant metastasis-free survival in patients treated with these regimens.
• Determine patterns of failure in patients treated with these regimens.
• Determine the toxicity, in particular cardiac and pulmonary toxicity, of these regimens in these patients.
• Determine the prediction models for locoregional recurrence and brain metastasis based on the clinical, pathological, radiological, genetic, tumor microenvironmental and immunological data.

OUTLINE: This is a multicenter, randomized study. The clinical risk prediction model for LRR has been established based on our large institutional database. On multivariate analysis, heavy cigarette smoking history, cN2 status, and number of involved lymph nodes>4 were independently significant factors predicting high risk of LRR. The Prognostic Index (PI) equation was built including the three categorical variables and coefficients based on their level of significance: PI＝(0.9×smoking history)＋(0.5×clinical N status)＋(0.8×number of involved lymph nodes). Patients with the PI score≥3.5 were considered as high risk of LRR.

Patients are stratified according to participating center, EGFR mutation status (EGFR 19del or 21L858R mutations vs others), and use of pretreatment positron emission tomography scans (yes vs no). Patients are randomized to 1 of 2 treatment arms.

• Arm I (PORT-first strategy): Concurrent chemoradiotherapy + sequential POCT or PORT + sequential POCT Participants in the Arm I will receive PORT at the first day of therapy. For lung adenocarcinoma, the first day of radiotherapy will be administered concurrently with POCT (two cycles of chemotherapy given during radiotherapy); then continue to give two cycles of sequential chemotherapy. For squamous cell lung carcinoma, PORT will be administered first followed by subsequent four cycles of sequential POCT.
• Arm II (PORT-last strategy): Four cycles of POCT + sequential PORT Participants in the Arm II will receive four cycles of adjuvant chemotherapy and after that, sequential adjuvant thoracic conformal radiotherapy (50.4 Gy, 1.8 Gy once daily over 5.5 weeks) will be administered.

PROJECTED ACCRUAL: A total of 1094 patients will be accrued for this study.

Conditions

Non-small Cell Lung Cancer Stage IIIA; Radiotherapy

Study Design

• Allocation Method: RANDOMIZED
• Intervention Model: PARALLEL
• Primary Study Purpose: TREATMENT
• Blinding Strategy: NONE

Study Groups

Arm I (PORT-first strategy)

Concurrent chemoradiotherapy + sequential chemotherapy or PORT + sequential chemotherapy: Participants in the Arm I will receive PORT at the first day of therapy. For lung adenocarcinoma, the first day of radiotherapy will be administered concurrently with chemotherapy (two cycles of chemotherapy given during radiotherapy); then continue to give two cycles of sequential chemotherapy. For squamous cell lung carcinoma, PORT will be administered first followed by subsequent four cycles of sequential chemotherapy.

Group Type: EXPERIMENTAL

PORT-first

Intervention Type: RADIATION

PORT administered at the first day of adjuvant therapy, using 3- dimensional conformal or intensity-modulated radiation, total dose of 50.4 Gy, 1.8 Gy once daily over 5.5 weeks.

Platinum-based two drug chemotherapy (cisplatin/carboplatin + vinorelbine or cisplatin/carboplatin + pemetrexed regimen)

Intervention Type: DRUG

Cisplatin/ carboplatin + vinorelbine regimen for squamous cell lung carcinoma Cisplatin/carboplatin + pemetrexed regimen for lung adenocarcinoma

Arm II (PORT-last strategy)

Four cycles of chemotherapy + sequential PORT: Participants in the Arm II will receive four cycles of adjuvant chemotherapy and after that, sequential PORT (50.4 Gy, 1.8 Gy once daily over 5.5 weeks) will be administered.

Group Type: ACTIVE_COMPARATOR

PORT-last

Intervention Type: RADIATION

PORT administered sequentially after participants received adjuvant chemotherapy for four cycles, using 3- dimensional conformal or intensity-modulated radiation, total dose of 50.4 Gy, 1.8 Gy once daily over 5.5 weeks.

Platinum-based two drug chemotherapy (cisplatin/carboplatin + vinorelbine or cisplatin/carboplatin + pemetrexed regimen)

Intervention Type: DRUG

Cisplatin/ carboplatin + vinorelbine regimen for squamous cell lung carcinoma Cisplatin/carboplatin + pemetrexed regimen for lung adenocarcinoma

Interventions

PORT-first

PORT administered at the first day of adjuvant therapy, using 3- dimensional conformal or intensity-modulated radiation, total dose of 50.4 Gy, 1.8 Gy once daily over 5.5 weeks.

Intervention Type: RADIATION

PORT-last

PORT administered sequentially after participants received adjuvant chemotherapy for four cycles, using 3- dimensional conformal or intensity-modulated radiation, total dose of 50.4 Gy, 1.8 Gy once daily over 5.5 weeks.

Intervention Type: RADIATION

Platinum-based two drug chemotherapy (cisplatin/carboplatin + vinorelbine or cisplatin/carboplatin + pemetrexed regimen)

Cisplatin/ carboplatin + vinorelbine regimen for squamous cell lung carcinoma Cisplatin/carboplatin + pemetrexed regimen for lung adenocarcinoma

Intervention Type: DRUG

Eligibility Criteria

Inclusion Criteria

• Male or female, aged 18 years to 75 years;
• Complete resection through a surgical procedure of lobectomy, sleeve lobectomy or bilobectomy with microscopically tumor-free resection margins and margin-negative resection of all gross disease; Has undergone systematic nodal assessment (lymph node dissection or sampling with a minimum of three N2 stations sampled or completely dissected, one of which must be the subcarinal station);
• Histologically proven lung adenocarcinoma or squamous cell lung carcinoma of stage pT1-3N2M0 (according to the TNM classification in the Union for International Cancer Control (UICC) 7th ed.);
• Determined as the postoperative high risk of locoregional recurrence;
• No documented metastases (M1) and/or invasion (T4) by the pretreatment examination or at the time of surgery;
• No prior neoadjuvant therapy (chemotherapy and/or RT);
• No prior adjuvant therapy (chemotherapy and/or RT);
• No severe perioperative complications and expected postoperative lifespan ≥4 months;
• ECOG Performance Status 0-1;
• Voluntarily participated in this study and signed the informed consent form by himself or his agent. Had good compliance with the study procedures, and can cooperate with the relevant examination, treatment and follow-up;

Exclusion Criteria

• Histologically confirmed large cell carcinoma, adenosquamous carcinoma, sarcomatoid carcinomas, neuroendocrine tumors (small cell carcinoma, large cell neuroendocrine carcinoma, carcinoid tumors, etc.), salivary-gland type tumors, adenomas, papillomas, or other and unclassified carcinomas;
• Patients undergoing pneumonectomy;
• Diagnosed with other prior or concurrent malignancies (neoplasm) except for basal cell carcinoma of the skin or carcinoma in situ of the cervix within the last 5 years;
• Patients with severe postoperative complications; and time to beginning of the adjuvant therapy has been more than 2 months from the date of surgery;
• Patients with any severe or uncontrolled systematic disease including severe cardiovascular, liver, kidney, hematopoietic, metabolic disease, or uncontrolled active infection that would preclude study participation;
• Patients with positive mental disorder that would preclude study participation;
• Contradictory to chest radiotherapy;
• Pregnant or nursing women;
• Concurrent other anti-cancer treatment;
• Prior preoperative Epidermal Growth Factor Receptor Tyrosine Kinase Inhibitors (EGFR-TKIs) treatment or other targeted therapy;

• Minimum Eligible Age: 18 Years
• Maximum Eligible Age: 75 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: No

Sponsors

Shanghai Pulmonary Hospital, Shanghai, China

OTHER

Sponsor Role: collaborator

Fudan University

OTHER

Sponsor Role: collaborator

Shanghai Zhongshan Hospital

OTHER

Sponsor Role: collaborator

Ruijin Hospital

OTHER

Sponsor Role: collaborator

RenJi Hospital

OTHER

Sponsor Role: collaborator

Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine

OTHER

Sponsor Role: collaborator

Shanghai Chest Hospital

OTHER

Sponsor Role: lead

Responsible Party

Xiaolong Fu

Director, Department of Radiation Oncology

Responsibility Role: PRINCIPAL_INVESTIGATOR

Principal Investigators

Xiaolong Fu, MD

Role: PRINCIPAL_INVESTIGATOR

Shanghai Chest Hospital

Locations

Shanghai Chest Hospital

Shanghai, Shanghai Municipality, China

Countries

China

References

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Other Identifiers

DLY201619

Identifier Type: -

Identifier Source: org_study_id