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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06430658
Other study ID # NEXUS-2
Secondary ID
Status Recruiting
Phase Phase 2
First received
Last updated
Start date April 1, 2024
Est. completion date December 31, 2027

Study information

Verified date May 2024
Source Cancer Institute and Hospital, Chinese Academy of Medical Sciences
Contact Xin Wang, Doctor
Phone 13311583220
Email beryl_wx2000@163.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Patients diagnosed with locally advanced esophageal squamous cell carcinoma (ESCC) that is deemed unresectable face a bleak prognosis. Recent phase 1/2 studies have demonstrated the efficacy and safety of augmenting neoadjuvant concurrent chemoradiotherapy with immunotherapy in treating resectable ESCC. The present study is a prospective, 3-arm, randomized trial that seeks to evaluate the efficacy of diverse conversion therapy modalities in patients with unresectable ESCC. The study objectives include R0 resection rate, treatment-related adverse events, morbidity and mortality, 1-year progression-free survival (PFS), and 1-year overall survival (OS) rates. Tislelizumab is a humanized IgG4 monoclonal antibody with high affinity/specificity for programmed cell death protein 1 (PD-1). Tislelizumab was specifically engineered to minimize binding to FcɤR on macrophages, thereby abrogating antibody-dependent phagocytosis, a potential mechanism of T-cell clearance and resistance to anti-PD-1 therapy. This trial will provide valuable insights into the effectiveness of the three conversion therapy modalities and help to inform clinical decision-making for patients with unresectable locally advanced ESCC.


Recruitment information / eligibility

Status Recruiting
Enrollment 90
Est. completion date December 31, 2027
Est. primary completion date December 31, 2026
Accepts healthy volunteers No
Gender All
Age group 18 Years to 75 Years
Eligibility Inclusion Criteria: 1. Histologically confirmed sorely ESCC without other histology subtypes. 2. Thoracic esophageal cancer. 3. No prior anti-cancer treatment, including but not limited to surgery, radiotherapy, chemotherapy, targeted therapy, or immunotherapy. 4. Borderline unresectable locally advanced ESCC deemed by investigators as suspicious of but not confirmed T4b according to the American Joint Committee on Cancer (AJCC) 8th edition staging classification or extracapsular lymph node involvement (ELNI). 5. The Karnofsky Performance Scale (KPS) =70. 6. Normal primary organ functions, including but not limited to hemoglobin (Hb) = 100g/L; white blood cell (WBC) = 3.5×10*9/L; neutrophil count (NEUT) = 1.5×10*9/L; platelets (PLT) = 100×10*9/L; alanine aminotransferase (ALT) and aspartate aminotransferase (AST) = 1.5×UNL; total bilirubin (TBIL) = 1.5×UNL; creatinine = 1.5UNL; blood urea nitrogen (BUN) = 1.0×UNL. Exclusion Criteria: 1. Synchronous and metachronous primary malignancies in but not limited to the upper aerodigestive tract, except for cured basal cell carcinoma of the skin and carcinoma in situ of the cervix. 2. Patients have undergone any type of anti-cancer treatment. 3. Baseline clinical stage M1 per AJCC 8th edition of staging classification, including supraclavicular lymph node metastases. 4. Investigators assessed major vessel involvement with high-risk hemorrhage. 5. A higher probability of esophageal perforation during conversion therapy. 6. Active infectious diseases, including but not limited to tuberculosis, hepatitis B virus, or hepatitis C virus. 7. Allergic to anti-cancer agents, including but not limited to anti-PD-1 or chemotherapy agents. 8. Given cardiopulmonary dysfunction, patients can not tolerate conversion therapy or surgery. 9. Pregnant or lactating women and women of childbearing potential who lacked effective contraception. 10. Non-compliance with the inclusion criteria judged by investigators.

Study Design


Related Conditions & MeSH terms


Intervention

Combination Product:
Tislelizumab (BGB-A317) with chemoradiotherapy
Different sequences and methods of treatment to convert surgery

Locations

Country Name City State
China Department of Radiation Oncology, Cancer Hospital, National Cancer Center, Chinese Academy of Medical Sciences (CAMS) and Peking Union Medical College (PUMC) Beijing

Sponsors (1)

Lead Sponsor Collaborator
Cancer Institute and Hospital, Chinese Academy of Medical Sciences

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary R0 resection rate Minimal distance tumor/circumferential resection margin (CRM) > 1 mm. 4 months
Secondary 1-year OS rate Defined as the proportion of patients still alive within one year from treatment initiation. 1 year after all treatment
Secondary 1-year PFS Defined as the proportion of patients without disease progression or death within one year from treatment initiation. 1 year after all treatment
Secondary Efficacy of circulating tumor DNA (ctDNA) in minimal residual disease (MRD) monitoring To investigate whether ctDNA variation can be used for MRD monitoring in patients with unresectable locally advanced ESCC. 6 month
Secondary Safety profile Adverse event during chemoRT or immunotherapy 4 month
Secondary Pathological response 4 month
Secondary Postoperative complications 4 month
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