This is a prospective, single-arm, open-label，multi-center, phase Ib/II study, aiming to evaluate the efficacy and safety of Fruquintinib combined With Cadonilimab (AK104) and Tegafur，Gimeracil and Oteracil Potassium in patients with locally advanced or metastatic esophageal squamous cell carcinoma after the failure of first-line treatments.
age:18-75 years old, Male or female patients
Histologically or cytologically confirmed esophageal squamous cell carcinoma (including the gastroesophageal junction), (Adenosquamous carcinoma with squamous cell carcinoma components-based is allowed to be included)
Irretrievably resected, local advanced, relapsed or metastatic esophageal squamous cell carcinoma
Previously received platinum-based systemic anti-tumor first-line therapy; Or received Neoadjuvant, adjuvant therapy, or radical chemoradiotherapy for ESCC, but disease recurrence or progression within 6 months after completion of treatment; no restrictions on prior immunotherapy treatment choice.
Have had other malignancies within the past 5 years, except for curatively treated radical skin basal cell or squamous cell carcinoma, Or cervical carcinoma in situ;
Have received major surgical procedures (such as craniotomy, thoracotomy, or laparotomy) within 4 weeks before enrollment or are excepted to uddergo major surgery during the study treatment; received laparoscopic exploration within 2 weeks before enrollment; received central venous catheterization within 7 days prior to enrollment
Have received chemotherapy, targeted therapy, traditional Chinese herbal medicine with anti-tumor indications or immunomodulatory drugs (including thymosin, interferon, interleukins, etc.) within the first 4 weeks prior to enrollment, or are still within 5 half-lives of such medications
Have symptomatic central nervous system metastases (with stable brain metastases confirmed by imageology for more than 3 months were eligible)
Rui-hua Xu, MD, PhD
Lead sponsor
Sun Yat-sen University
Sponsor institution