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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06187597
Other study ID # B2023-503
Secondary ID
Status Recruiting
Phase Phase 2
First received
Last updated
Start date March 1, 2024
Est. completion date December 31, 2028

Study information

Verified date March 2024
Source Sun Yat-sen University
Contact Mian Xi, MD
Phone 862087343385
Email ximian@sysucc.org.cn
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Although definitive chemoradiotherapy (CRT) is the standard treatment option for unresectable locally advanced esophageal cancer, elderly patients tolerate intravenous concurrent CRT less well with age and comorbidities. Previous trials have demonstrated that CRT with oral S-1 was tolerable and provided significant survival benefits over radiotherapy alone in elderly patients with esophageal squamous cell carcinoma (ESCC). However, as high as 54% of patients with elderly ESCC experienced locoregional or distant recurrence after CRT. Therefore, a more effective regimen for older patients is needed. Immune checkpoint inhibitors targeting PD-1/PD-L1 have shown substantial clinical benefits in advanced esophageal cancer. Recently, the combination of immunotherapy with CRT has emerged as a promising strategy to improve clinical outcomes in locally advanced esophageal cancer. The aim of this study was to evaluate the efficacy and safety of toripalimab (an anti-PD-1 antibody) after concurrent CRT in elderly patients with locally advanced ESCC.


Description:

A total of 140 patients with elderly, unresectable, locally advanced ESCC will be stratified according to age (70-80 vs. ≥80) and TNM stage (I/II vs. III/IV) and randomly assigned (1:1) to receive toripalimab as consolidation therapy for up to 12 months (arm A) or not (arm B) after definitive radiotherapy with concurrent S-1.


Recruitment information / eligibility

Status Recruiting
Enrollment 140
Est. completion date December 31, 2028
Est. primary completion date December 31, 2026
Accepts healthy volunteers No
Gender All
Age group 70 Years to 85 Years
Eligibility Inclusion Criteria: 1. Histologically confirmed squamous cell carcinoma of the esophagus; 2. Locally advanced, and absence of hematogenous metastasis disease according to UICC TNM version 8; 3. Not suitable for surgery (either for medical reasons or patient's choice); 4. Age at diagnosis 70 to 85 years; 5. No prior cancer therapy; 6. Estimated life expectancy >6 months; 7. Eastern Cooperative Oncology Group performance status = 2 8. No history of concomitant or previous malignancy; 9. The function of important organs meets the following requirements: a. white blood cell count (WBC) =4.0×109/L, absolute neutrophil count (ANC) =1.5×109/L; b. platelets =100×109/L; c. hemoglobin =9g/dL; d. serum albumin =2.8g/dL; e. total bilirubin =1.5×ULN, ALT, AST and/or AKP =2.5×ULN; f. serum creatinine =1.5×ULN or creatinine clearance rate >60 mL/min; 10. Ability to understand the study and sign informed consent. Exclusion Criteria: 1. Patients who have been treated previously with anti-tumor therapy (including chemotherapy, radiotherapy, surgery, immunotherapy, etc.); 2. Patients with hematogenous metastasis disease or esophageal fistula at diagnosis; 3. Known or suspected allergy or hypersensitivity to monoclonal antibodies, any ingredients of cadonilimab, and the chemotherapeutic drugs paclitaxel or cisplatin; 4. Patients who have a preexisting or coexisting bleeding disorder; 5. Inability to provide informed consent due to psychological, familial, social and other factors; 6. Presence of CTC grade =2 peripheral neuropathy; 7. A history of malignancies other than esophageal cancer before enrollment, excluding non-melanoma skin cancer, in situ cervical cancer, or cured early prostate cancer 8. A history of diabetes for more than 10 years and poorly controlled blood glucose levels; 9. Patients who cannot tolerate chemoradiotherapy due to severe cardiac, lung, liver or kidney dysfunction, or hematopoietic disease or cachexia. 10. Active autoimmune diseases, a history of autoimmune diseases (including but not limited to these diseases or syndromes, such as colitis, hepatitis, hyperthyroidism), a history of immunodeficiency (including a positive HIV test result), or other acquired or congenital immunodeficiency diseases, a history of organ transplantation or allogeneic bone marrow transplantation; 11. A history of interstitial lung disease or non-infectious pneumonia; 12. A history of active pulmonary tuberculosis infection within 1 year or a history of active pulmonary tuberculosis infection more than 1 year ago but without formal anti-tuberculosis treatment; 13. Presence of active hepatitis B (HBV DNA = 2000 IU/mL or 104 copies/mL), hepatitis C (positive for hepatitis C antibody, and HCV-RNA levels higher than the lower limit of the assay).

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
S-1
Patients received S-1 administration, 70mg/m2 per day, orally on days 1 to 14 and 29 to 42 during radiotherapy.
Toripalimab
Patients received toripalimab 240 mg every 3 weeks for up to 16 cycles.
Radiation:
Intensity-modulated radiotherapy
All patients received external-beam radiation using intensity-modulated radiotherapy. The prescribed dose is 54 Gy in 27 fractions over 5-6 weeks.

Locations

Country Name City State
China Mian Xi Guangzhou Guangdong

Sponsors (6)

Lead Sponsor Collaborator
Sun Yat-sen University Fifth Affiliated Hospital, Sun Yat-Sen University, Nanfang Hospital, Southern Medical University, Wuhan University, Xiangya Hospital of Central South University, Zhujiang Hospital

Country where clinical trial is conducted

China, 

References & Publications (4)

Ji Y, Du X, Zhu W, Yang Y, Ma J, Zhang L, Li J, Tao H, Xia J, Yang H, Huang J, Bao Y, Du D, Liu D, Wang X, Li C, Yang X, Zeng M, Liu Z, Zheng W, Pu J, Chen J, Hu W, Li P, Wang J, Xu Y, Zheng X, Chen J, Wang W, Tao G, Cai J, Zhao J, Zhu J, Jiang M, Yan Y, — View Citation

Liu Y, Zheng Z, Li M, Zhang Y, Zhao F, Gong H, Lin H, Huang W, Chen X, Xu Z, Li X, Liu W, Cui Y, Zheng A, Li B. Comparison of concurrent chemoradiotherapy with radiotherapy alone for locally advanced esophageal squamous cell cancer in elderly patients: A — View Citation

Wang X, Han W, Zhang W, Wang X, Ge X, Lin Y, Zhou H, Hu M, Wang W, Liu K, Lu J, Qie S, Zhang J, Deng W, Wang L, Han C, Li M, Zhang K, Li L, Wang Q, Shi H, Yu Z, Zhao Y, Sun X, Shi Y, Pang Q, Zhou Z, Liang J, Chen D, Feng Q, Bi N, Zhang T, Deng L, Wang W, — View Citation

Zhu Y, Wen J, Li Q, Chen B, Zhao L, Liu S, Yang Y, Wang S, Lv Y, Li J, Zhang L, Hu Y, Liu M, Xi M. Toripalimab combined with definitive chemoradiotherapy in locally advanced oesophageal squamous cell carcinoma (EC-CRT-001): a single-arm, phase 2 trial. La — View Citation

Outcome

Type Measure Description Time frame Safety issue
Other Correlation between immune signature and overall survival The correlation between pretreatment immune signature (PD-L1, CD8, CTLA-4, CD56, and CD68) by mIHC and overall survival. From date of enrollment to the date of last follow-up, assessed up to 36 months.
Other Correlation between serum cytokines and overall survival and immune-related adverse events The correlation between dynamic change of serum cytokines (IL-2R, IL-6, IL-13, IL-8, CCL3, CD40, and CD274) during treatment and survival outcomes and immune-related adverse events. From date of enrollment to the date of last follow-up, assessed up to 36 months.
Primary Progression-free survival Three-year follow-up from the date of enrollment to the date of disease progression or last follow-up From date of enrollment until the date of death from any cause or the date of first documented disease progression whichever came first, assessed up to 36 months.
Secondary Overall survival Three-year follow-up from the enrollment to the date of death from any cause or date of lost follow-up From date of enrollment until the date of death from any cause or the date of last follow-up, whichever came first, assessed up to 36 months.
Secondary Clinical complete response Tumor response was evaluated 13-16 weeks after the completion of treatment based on CT or PET-CT scans, and endoscopy with biopsies. 13-16 weeks after the completion of radiotherapy
Secondary Duration of response From the date of first CR/PR to the date of first PD. From date of first CR/PR to the date of first PD according to RECIST criteria, assessed up to 36 months.
Secondary Treatment-related adverse events Incidence of treatment-related adverse events as assessed by CTCAE v4.0. From date of enrollment to the date of last follow-up, assessed up to 36 months.
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