Perioperative Chemoimmunotherapy With/Without Preoperative Chemoradiation for Locally Advanced Gastric Cancer
NCT ID: NCT05161572
Last Updated: 2025-06-18
Study Results
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Basic Information
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TERMINATED
PHASE2
6 participants
INTERVENTIONAL
2021-09-28
2022-09-30
Brief Summary
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Detailed Description
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Perioperative chemotherapy (ChT) and preoperative chemoradiation (CRT) are both the standard treatments for locally advanced gastric cancer (LAGC). CRT can achieve a higher pathological complete regression (pCR) rate, but whether this higher pCR rate can be transformed into a long-term survival benefit remains inconclusive. Therefore, relevant studies are in progress. On the other hand, immunotherapy has been established for the first-line treatment of advanced gastric cancer (AGC) and has been widely explored in the perioperative setting. The combination of chemotherapy/radiotherapy and immunotherapy may have a synergistic effect, which will lead to a better antitumor effect. The preliminary reports of ongoing studies show promising results, including a further improved pCR rate. However, the preferred treatment combination for LAGC is still not established. To solve this problem, we are carrying out this randomized phase II trial, which aims to evaluate the efficacy and safety of perioperative chemotherapy plus the use of PD-1 antibodies with or without preoperative chemoradiation for LAGC.
The results of the NeoRacing study will provide important information concerning the application of PD-1 antibodies in LAGC patients during the preoperative setting. Meanwhile, the two treatment protocols will be compared in terms of efficacy and safety.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
NONE
Study Groups
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Perioperative chemotherapy plus PD-1 antibody plus preoperative chemoradiotherapy
In this arm, patients will receive preoperative chemoradiotherapy (45Gy/25Fractions), two cycles of SOX and three cycles of PD-1 antibody, followed by D2 surgery and three more cycles of SOX and PD-1 antibody. Then PD-1 antibody will be given until one year after surgery.
Oxaliplatin
The SOX regimen consists of S-1 and oxaliplatin and is repeated every three weeks. Oxaliplatin will be administered intravenously at 130 mg/m2 on day 1.
Tegafur-Gimeracil-Oteracil
The SOX regimen consists of S-1 and oxaliplatin and is repeated every three weeks. S-1 is administered orally at 40-60 mg twice a day for 14 consecutive days. Then, the patients will have a one-week rest period. The dose of S-1 is according to the body-surface area (BSA): patients with a BSA of less than 1.25 m2 receive 80 mg daily; those with a BSA of 1.25 m2 or more but less than 1.5 m2 receive 100 mg daily; and those with a BSA of 1.5 m2 or more receive 120 mg daily.
Sintilimab
The immunotherapy includes perioperative treatment and postoperative maintenance treatment. The PD-1 mAb used will be sintilimab, and the dose is 200 mg intravenously every three weeks. Regardless of which arm, the courses of immunotherapy that will be received by the enrolled patients are the same: 3 times preoperatively, 3 times postoperatively, and then maintained until one year after surgery.
Concurrent chemoradiation
The radiotherapy (RT) consists of 45 Gy delivered in 25 fractions every five days per week for five weeks. The dose of concurrent ChT is 60 mg/m2 S-1 orally, oral tablets twice daily, days 1-5 of each week.
D2/R0 gastrectomy
Gastrectomy with standard D2 lymphadenectomy is recommended. The type of gastrectomy performed depends on the location and extent of the primary lesion. For GEJ or upper third tumors, a 3 cm esophageal margin is recommended, and a total gastrectomy or esophagogastrectomy is performed. For middle third tumors, the gastric margin is recommended to be more than 5 cm, and a total gastrectomy is performed. For lower third tumors, a 2 cm duodenal margin is recommended, and a subtotal or total gastrectomy is performed. Billroth I or Roux-en-Y gastrojejunostomy is performed for distal gastrectomy patients. Roux-en-Y esophagojejunostomy is performed for patients receiving total gastrectomy.
Perioperative chemotherapy plus PD-1 antibody
In this arm, patients will receive three cycles of SOX and PD-1 antibody, followed by D2 surgery and three more cycles of SOX and PD-1 antibody. Then PD-1 antibody will be given until one year after surgery.
Oxaliplatin
The SOX regimen consists of S-1 and oxaliplatin and is repeated every three weeks. Oxaliplatin will be administered intravenously at 130 mg/m2 on day 1.
Tegafur-Gimeracil-Oteracil
The SOX regimen consists of S-1 and oxaliplatin and is repeated every three weeks. S-1 is administered orally at 40-60 mg twice a day for 14 consecutive days. Then, the patients will have a one-week rest period. The dose of S-1 is according to the body-surface area (BSA): patients with a BSA of less than 1.25 m2 receive 80 mg daily; those with a BSA of 1.25 m2 or more but less than 1.5 m2 receive 100 mg daily; and those with a BSA of 1.5 m2 or more receive 120 mg daily.
Sintilimab
The immunotherapy includes perioperative treatment and postoperative maintenance treatment. The PD-1 mAb used will be sintilimab, and the dose is 200 mg intravenously every three weeks. Regardless of which arm, the courses of immunotherapy that will be received by the enrolled patients are the same: 3 times preoperatively, 3 times postoperatively, and then maintained until one year after surgery.
D2/R0 gastrectomy
Gastrectomy with standard D2 lymphadenectomy is recommended. The type of gastrectomy performed depends on the location and extent of the primary lesion. For GEJ or upper third tumors, a 3 cm esophageal margin is recommended, and a total gastrectomy or esophagogastrectomy is performed. For middle third tumors, the gastric margin is recommended to be more than 5 cm, and a total gastrectomy is performed. For lower third tumors, a 2 cm duodenal margin is recommended, and a subtotal or total gastrectomy is performed. Billroth I or Roux-en-Y gastrojejunostomy is performed for distal gastrectomy patients. Roux-en-Y esophagojejunostomy is performed for patients receiving total gastrectomy.
Interventions
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Oxaliplatin
The SOX regimen consists of S-1 and oxaliplatin and is repeated every three weeks. Oxaliplatin will be administered intravenously at 130 mg/m2 on day 1.
Tegafur-Gimeracil-Oteracil
The SOX regimen consists of S-1 and oxaliplatin and is repeated every three weeks. S-1 is administered orally at 40-60 mg twice a day for 14 consecutive days. Then, the patients will have a one-week rest period. The dose of S-1 is according to the body-surface area (BSA): patients with a BSA of less than 1.25 m2 receive 80 mg daily; those with a BSA of 1.25 m2 or more but less than 1.5 m2 receive 100 mg daily; and those with a BSA of 1.5 m2 or more receive 120 mg daily.
Sintilimab
The immunotherapy includes perioperative treatment and postoperative maintenance treatment. The PD-1 mAb used will be sintilimab, and the dose is 200 mg intravenously every three weeks. Regardless of which arm, the courses of immunotherapy that will be received by the enrolled patients are the same: 3 times preoperatively, 3 times postoperatively, and then maintained until one year after surgery.
Concurrent chemoradiation
The radiotherapy (RT) consists of 45 Gy delivered in 25 fractions every five days per week for five weeks. The dose of concurrent ChT is 60 mg/m2 S-1 orally, oral tablets twice daily, days 1-5 of each week.
D2/R0 gastrectomy
Gastrectomy with standard D2 lymphadenectomy is recommended. The type of gastrectomy performed depends on the location and extent of the primary lesion. For GEJ or upper third tumors, a 3 cm esophageal margin is recommended, and a total gastrectomy or esophagogastrectomy is performed. For middle third tumors, the gastric margin is recommended to be more than 5 cm, and a total gastrectomy is performed. For lower third tumors, a 2 cm duodenal margin is recommended, and a subtotal or total gastrectomy is performed. Billroth I or Roux-en-Y gastrojejunostomy is performed for distal gastrectomy patients. Roux-en-Y esophagojejunostomy is performed for patients receiving total gastrectomy.
Eligibility Criteria
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Inclusion Criteria
2. The clinical stage of the enrolled patients was cT3-4aN+M0 or cT4bNanyM0. Patients with a CY1 status but no other distant metastasis were allowed for patient recruitment. The clinical stage of CY1 patients is cT3-4aN+M1 (CY1 only) or cT4bNanyM1 (CY1 only) (the 8th AJCC staging system of GC).
3. The tumor was considered to be potentially resectable, which was verified by a multidisciplinary team including a surgical investigator.
4. At least one evaluable lesion on abdominal CT/MRI according to the RESIST 1.1 protocol is required.
5. An ECOG (Eastern Cooperative Oncology Group) performance status of 0-1.
6. The patient's physical state and organ function can tolerate the planned treatment of the study protocol, including perioperative chemotherapy with the SOX regimen and immunotherapy with PD-1 monoclonal antibody, preoperative concurrent chemoradiotherapy (45 Gy/25 fractions/S-1), and major abdominal surgery.
7. The baseline laboratory examinations of the patients met the following criteria:
1. An adequate hematological function: an absolute neutrophil count (ANC) ≥ 1.5×109/L; a platelet count ≥ 100×109/L; a hemoglobin level ≥ 90 g/L.
2. Adequate liver function: total bilirubin ≤ 1.5×upper limit of normal (ULN); AST/ALT \< 2.5×ULN; ALP ≤ 2.5×ULN; ALB ≥ 30 g/L.
3. Adequate renal function: serum creatinine ≤ 1.5 × ULN; creatinine clearance rate ≥ 60 ml/min.
4. Adequate coagulation function: INR/PT ≤ 1.5×ULN; APTT ≤ 1.5×ULN.
8. There was no serious concomitant disease, and the patient's life expectancy was more than 6 months.
9. Male or female. Age ≥ 18 years and ≤ 75 years.
10. Patients agreed to sign a written informed consent before recruitment.
11. Patients had good compliance with the study procedures, including laboratory examinations, auxiliary examinations and treatment.
12. The female patients should not be pregnant or breastfeeding.
13. The female patients agreed to take contraceptive measures during the treatment and within 120 days after the last dose of PD-1 mAb or 180 days after the last dose of chemotherapy or radiotherapy.
Exclusion Criteria
2. Patients who have previously received surgery, chemotherapy, radiotherapy or immunotherapy for gastric cancer.
3. Patients had a history of cancer in the five years before randomization except for squamous or basal cell carcinoma of the skin that had been effectively treated and superficial bladder cancer, cervical carcinoma in situ and breast cancer in situ that had been treated by surgery.
4. Pregnant or lactating females or planning to become pregnant or lactating.
5. History of allergy to any drugs involved in this study.
6. History of allogeneic stem cell transplantation or organ transplantation.
7. Vaccinated with a live vaccine within 4 weeks before recruitment.
8. History of anti-PD-1, PD-L1, PD-L2 or any other specific T cell costimulation or checkpoint pathway targeted therapy.
9. History of using steroids (dose \> 10 mg/d prednisone) or other systemic immunosuppressive therapy within 14 days before recruitment, except for patients treated with the following regimen: steroids used for hormone replacement (dose \> 10 mg/d prednisone); local application of steroids with little systemic absorption; short-term (≤ 7 days) use of steroids to prevent allergy or vomiting.
10. Patients with weight loss of more than 20% within 2 months before recruitment.
11. Uncontrolled systemic diseases, including diabetes and hypertension.
12. Failure of important organs (heart, lung, liver, kidney, etc.).
13. Moderate or severe renal injury \[creatinine clearance ≤ 50 ml/min (according to Cockroft \& Gault equation)\] or SCR \> ULN.
14. Dipyrimidine dehydrogenase (DPD) deficiency.
15. Patients with central nervous system (CNS) disorders, peripheral nervous system disorders or psychiatric diseases.
16. A cerebrovascular accident that occurred within 6 months before recruitment.
17. Patients with a known history of uncontrolled or symptomatic angina, uncontrolled arrhythmias and hypertension, congestive heart failure, cardiac infarction within 6 months prior to study recruitment, or cardiac insufficiency.
18. Patients who have the following history of pulmonary diseases: interstitial lung disease, noninfectious pneumonia, pulmonary fibrosis, acute lung disease, or pulmonary embolism.
19. Patients with severe gastrointestinal bleeding, gastrointestinal perforation, or gastrointestinal fistula and patients who cannot swallow to take the drug orally.
20. Patients with upper gastrointestinal obstruction, dysfunction or malabsorption syndrome that can affect the absorption of oral chemotherapy drugs.
21. Uncontrollable pleural effusion, pericardial effusion, or ascites that occurred within two weeks before recruitment.
22. Patients with a history of active autoimmune disease or refractory autoimmune disease.
23. Severe chronic or active infections requiring systemic antibiotics, antifungal or antiviral therapy, including tuberculosis and AIDS.
24. Known history of human immunodeficiency virus (HIV) infection.
25. Patients with untreated chronic hepatitis B or HBV-DNA exceeding 500 IU/ml or HCV-RNA positivity.
18 Years
75 Years
ALL
No
Sponsors
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Fudan University
OTHER
Responsible Party
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Zhen Zhang
Director of the department of radiation oncology
Locations
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Fudan University Shanghai Cancer Center
Shanghai, , China
Countries
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References
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Wang Y, Li Z, Shan F, Miao R, Xue K, Li Z, Gao C, Chen N, Gao X, Li S, Ji J. [Current status of diagnosis and treatment of early gastric cancer in China--Data from China Gastrointestinal Cancer Surgery Union]. Zhonghua Wei Chang Wai Ke Za Zhi. 2018 Feb 25;21(2):168-174. Chinese.
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Other Identifiers
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FDRT- LAGCCS004
Identifier Type: -
Identifier Source: org_study_id
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