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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT06385730
Other study ID # SCE2401
Secondary ID
Status Not yet recruiting
Phase Phase 2
First received
Last updated
Start date May 2024
Est. completion date May 2027

Study information

Verified date April 2024
Source Shanghai Chest Hospital
Contact Zhigang Li, MD, PhD
Phone 86-18960619260
Email zhigang.li@shsmu.edu.cn
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The investigators will conduct a prospective phase 2 study to evaluate the efficacy and safety of neoadjuvant PD-1 blockade monotherapy with toripalimab in elderly patients with locally advanced resectable esophageal squamous cell carcinoma (ESCC).


Description:

The incidence and mortality rates of esophageal cancer both rapidly increase after the age of 40 to 50 and peak after the age of 70 to 80. Clinical studies have shown that over 50% of esophageal cancer patients are diagnosed at an advanced local stage. Currently, the standard treatment recommended by guidelines for locally advanced esophageal cance is neoadjuvant chemoradiotherapy or chemotherapy. However, the phase III randomized controlled trials upon which these recommendations are based did not include patients over 75 years old. Therefore, for elderly patients aged over 75 with locally advanced esophageal cancer, there remains a lack of high-level evidence-based optimal neoadjuvant treatment strategies in clinical practice. In Japan, neoadjuvant chemotherapy combined with surgery is the standard treatment for locally advanced esophageal cancer. A retrospective analysis (PMID: 35837977) conducted at 85 esophageal cancer centers certified by the Japan Esophageal Society examined patients with esophageal squamous cell carcinoma who received neoadjuvant CF (cisplatin + 5-fluorouracil) or intensified neoadjuvant DCF (docetaxel + cisplatin + 5-fluorouracil) regimens. The study results showed that the survival benefit of intensified neoadjuvant DCF was limited to patients aged ≤75 years. In patients older than 75 years, no survival advantage of intensified neoadjuvant DCF was observed, and the incidence of postoperative pneumonia was higher. The study suggested that elderly patients may not tolerate the toxic side effects of intensified neoadjuvant DCF triplet therapy. The high-intensity neoadjuvant triplet chemotherapy increased the incidence of postoperative complications in esophageal cancer, possibly offsetting the survival benefit in terms of tumor eradication. A phase 1 trial conducted in 2023 (PMID: 37488287) demonstrated that neoadjuvant single-agent immunotherapy (atezolizumab) for locally advanced resectable esophageal squamous cell carcinoma is safe, with no Grade 3 or higher adverse reactions. The primary pathological response rate was 24%, with a complete pathological response rate of 8%. The 2-year overall survival rate was 92%, and the 2-year recurrence-free survival rate reached 100%. When compared with a historical control study (CMISG1701 study), the 2-year recurrence-free survival rate and 2-year overall survival rate with neoadjuvant single-agent immunotherapy were significantly higher, showing a statistically significant improvement compared to both standard neoadjuvant chemoradiotherapy (61% vs. 69%) and standard neoadjuvant chemotherapy (63% vs. 67%). Based on (1) clinical evidence indicating higher adverse reactions and limited benefits of high-intensity neoadjuvant treatment regimens in elderly esophageal squamous cell carcinoma patients and (2) the potential advantages of neoadjuvant single-agent immunotherapy over standard neoadjuvant chemoradiotherapy or chemotherapy in terms of safety and survival benefits, this trial reasonably proposes a scientific research proposal-to explore the efficacy and safety of neoadjuvant immunotherapy monotherapy in elderly (aged over 75) patients with locally advanced thoracic esophageal squamous cell carcinoma under conditions of reduced combination therapy and decreased adverse reactions.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 60
Est. completion date May 2027
Est. primary completion date May 2025
Accepts healthy volunteers No
Gender All
Age group 76 Years and older
Eligibility Inclusion Criteria: 1. Subjects signed the informed consent and volunteered to participate in the study. 2. Esophageal squamous cell carcinoma confirmed by histology or cytology. 3. Thoracic esophageal squamous cell carcinoma confirmed by CT or pet-CT, which is classified as T1N1-3M0 or T2-3N0-3M0 (AJCC 8th). 4. Expect to have R0 resection 5. In age >75. 6. ECOG PS: 0~1. 7. Have not received any anti-tumor treatment for esophageal cancer in the past, including radiotherapy, chemotherapy, surgery, etc. 8. No contraindications to surgery. 9. Has sufficient organ function including (1) Blood routine: NE=1.5×109/L; PLT=100×109/L; HGB=90 g/L (2)Comprehensive Metabolic Panel: bilirubin= 1.5×ULN; ALT=2.5×ULN; AST=2.5×ULN; sCr=1.5×ULN or CrCl=50 mL/min(Cocheroft-Gault) (3) Coagulation function: INR=1.5. 10. Women of childbearing age must undergo a serological pregnancy test within 72 hrs before first administration. Women of childbearing age, or male subjects with childbearing age female partners, must take contraceptive measures from the first dose to five months after last administration. 11. Good compliance, willing to comply with follow-up schedules. Exclusion Criteria: 1.Subjects have received or are receiving any of: 1. anti-tumor interventions such as radiotherapy, chemotherapy, immunotherapy or other medictions. 2. Received systemic corticosteroid therapy (prednisone equivalence> 10mg/d) or other immunosuppressive agents within the first 2 weeks prior to the first administration. 3. live vaccine within 4 weeks before the first administration. 2. Cancer related exclusion criteria 1. other cancers instead of ESCC 2. non-recetable or metastatic ESCC 3. not comply with T1N1-3M0 or T2-3N0-3M0 (AJCC 8th). 4. Subjects with other malignant tumors within 5 years before the first administration, but subjects with cervical carcinoma in situ, skin basal cell carcinoma, skin squamous cell carcinoma, and localized prostate cancer received radical surgery in situ that have received radical treatment and do not need other treatment can be included). 3. Other criteria Subjects have uncontrolled cardiovascular diseases, such as 1) heart failure = NYHA class 2, 2) unstable angina 3) myocardial infarction within 1 year; 4) supraventricular or ventricular arrthymia that needs treatment Subjects with any known active autoimmune disease Pregnant or breastfeeding female Presence of allergy or hypersensitivity to investigational medications HIV positive or active hepatitis B (HbsAg positive and HBV-DNA =2000 IU/ml or = 104 copies/mL) or active hepatitis C (HCV antibody positive) or active tuberculosis Investigators assessed there might be other factors that cause subjects to withdrawl.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
neoadjuvant anti-PD-1
PD-1 inhibitor (toripalimab) 240mg, day 1,every 3 weeks, 2 cycles. Postoperative adjuvant treatment: according to the recommendations of the guidelines and the investigators
neoadjuvant anti-PD-1 with LDRT
Radiotherapy: low-dose radiotherapy (LDRT), gross target volume (GTV), DT: 1Gy (day1), 1Gy (day2), every 3 weeks, 2 cycles. PD-1 inhibitor (toripalimab) 240mg, day 3,every 3 weeks, 2 cycles. Postoperative adjuvant treatment: according to the recommendations of the guidelines and the investigators

Locations

Country Name City State
China Shanghai Chest Hospital Shanghai Shanghai

Sponsors (1)

Lead Sponsor Collaborator
Shanghai Chest Hospital

Country where clinical trial is conducted

China, 

References & Publications (3)

Matsuda S, Kitagawa Y, Takemura R, Okui J, Okamura A, Kawakubo H, Muto M, Kakeji Y, Takeuchi H, Watanabe M, Doki Y. Real-world Evaluation of the Efficacy of Neoadjuvant DCF Over CF in Esophageal Squamous Cell Carcinoma: Propensity Score-matched Analysis From 85 Authorized Institutes for Esophageal Cancer in Japan. Ann Surg. 2023 Jul 1;278(1):e35-e42. doi: 10.1097/SLA.0000000000005533. Epub 2022 Jul 15. — View Citation

Yang Y, Zhu L, Cheng Y, Liu Z, Cai X, Shao J, Zhang M, Liu J, Sun Y, Li Y, Yi J, Yu B, Jiang H, Chen H, Yang H, Tan L, Li Z. Three-arm phase II trial comparing camrelizumab plus chemotherapy versus camrelizumab plus chemoradiation versus chemoradiation as preoperative treatment for locally advanced esophageal squamous cell carcinoma (NICE-2 Study). BMC Cancer. 2022 May 6;22(1):506. doi: 10.1186/s12885-022-09573-6. — View Citation

Yin J, Yuan J, Li Y, Fang Y, Wang R, Jiao H, Tang H, Zhang S, Lin S, Su F, Gu J, Jiang T, Lin D, Huang Z, Du C, Wu K, Tan L, Zhou Q. Neoadjuvant adebrelimab in locally advanced resectable esophageal squamous cell carcinoma: a phase 1b trial. Nat Med. 2023 Aug;29(8):2068-2078. doi: 10.1038/s41591-023-02469-3. Epub 2023 Jul 24. Erratum In: Nat Med. 2023 Jul 28;: — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary MPR rate A major pathological response rate (MPR) is defined as the proportion of residual living tumor cells in the post-surgery specimen within the tumor bed being less than or equal to 10% Through the study completion, an average of 12 months
Secondary pCR rate The primary endpoint is a pCR rate, which is defined as the absence of any remaining tumor cells in both the main tumor and the nearby lymph nodes (ypT0N0) as per the AJCC 8th Edition TRG scoring system Through the study completion, an average of 12 months
Secondary Adverse events and treatment-related adverse events Including adverse events and complications. Incidence of adverse events using CTCAE 5.0; grade 3 treatment-related adverse events and higher-grade will be reported Through the study completion, an average of 12 months
Secondary R0 resection rate A R0 resection rate is defined as the rate of complete tumor removal with negative resection margin microscopically Through the study completion, an average of 12 months
Secondary Objective Response rate objective response (according to the Response Evaluation Criteria In Solid Tumors, version 1.1) Through the study completion, an average of 12 months
Secondary Event-free survival (EFS) An event-free survival (EFS) is defined as the duration from the start of treatment until disease progression/recurrence or death from any cause, whichever occurs first. Through the study completion, an average of 12 months
Secondary Overall survival (OS) Overall survival (OS) is defined as the time from treatment to death, regardless of disease recurrence Through the study completion, an average of 24 months
Secondary Correlation between potential biomarkers and tumor response Tumor microenvironment (assessed by genomic sequencing) will be correlated with tumor response Through the study completion, an average of 36 months
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