Taxane-based agents are widely used in the treatment of esophageal squamous cell carcinoma (ESCC). Among these, nab-paclitaxel (albumin-bound paclitaxel) and paclitaxel are the most commonly used. However, there is currently no definitive evidence comparing the efficacy of these two agents in the context of neoadjuvant therapy for ESCC.
Study Background Esophageal cancer is a common and rapidly progressing malignancy. Surgery, radiotherapy, and chemotherapy are the main treatments. Paclitaxel is a widely used chemotherapy drug, but conventional paclitaxel requires solvents that can cause allergic reactions and other side effects. Albumin-bound paclitaxel (Nab-Paclitaxel) is a newer formulation that uses albumin nanoparticles to deliver the drug. This design reduces the need for solvents, improves drug distribution, may enhance effectiveness, and potentially lowers some side effects. Study Purpose The study aimed to compare the effectiveness and safety of Nab-Paclitaxel versus standard Paclitaxel in neoadjuvant treatment of esophageal cancer, helping clinicians choose the most suitable regimen while providing patients with understandable treatment information. Study Design Patient population: Patients receiving neoadjuvant chemotherapy for esophageal cancer Treatment groups: Nab-Paclitaxel + platinum-based chemotherapy Standard Paclitaxel + platinum-based chemotherapy Study type: Retrospective analysis (examining completed patient data) Key outcomes evaluated: PCR，DFS,OS Inclusion criteria: Pathologically confirmed ESCC, baseline assessment indicating resectable or potentially resectable disease, and receipt of at least one cycle of dual-agent chemotherapy (taxane + platinum) combined with immunotherapy (PD-1 or PD-L1 inhibitor). Exclusion criteria: Presence of other untreated malignancies, receipt of other neoadjuvant treatments (such as chemotherapy alone, neoadjuvant chemoradiotherapy, or combined chemoradiotherapy-immunotherapy regimens), incomplete data, or unwillingness to participate in follow-up.
Study Type
OBSERVATIONAL
Enrollment
387
Nab-P group Intervention Type: Drug Intervention Name: Nab-paclitaxel Description: Patients had received nab-paclitaxel-based chemotherapy as part of neoadjuvant immunochemotherapy before esophagectomy. Treatment was administered as part of routine clinical care and was not assigned by the investigators for this retrospective observational study. PTX group Intervention Type: Drug Intervention Name: Paclitaxel Description: Patients had received paclitaxel-based chemotherapy as part of neoadjuvant immunochemotherapy before esophagectomy. Treatment was administered as part of routine clinical care and was not assigned by the investigators for this retrospective observational study.
West China Hospital
Chengdu, Sichuan, China
Mianzhu People's Hospital（West China Mianzhu Hospital, Sichuan University)
Mianzhu, Sichuan, China
Suining Central Hospital
Suining, Sichuan, China
PCR
Pathological Complete Response
Time frame: Within 4 weeks after surgery
DFS
disease-free survival
Time frame: From the date of esophagectomy until the date of first documented disease recurrence, disease progression, or death from any cause, whichever came first, assessed up to 60 months.
OS
overall survival
Time frame: From the date of initial diagnosis of esophageal squamous cell carcinoma until the date of death from any cause or the date of last follow-up, whichever came first, assessed up to 60 months.
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