JS001 combined with chemotherapy for advanced small cell esophageal carcinoma

JS001 Combined With Nab-paclitaxel and Cisplatin or Carboplatin as First-line Treatment for Unresectable or Advanced Small Cell Esophageal Carcinoma : a Prospective, Single Arm, Multicenter, Phase II Clinical Trial

Phase 2 Interventional Sun Yat-sen University · NCT05173246

This study is testing if a new treatment combining JS001 with chemotherapy can help people with advanced small cell esophageal cancer feel better and live longer.

Quick facts

PhasePhase 2
Study typeInterventional
Enrollment43 (estimated)
Ages18 Years to 75 Years
SexAll
SponsorSun Yat-sen University Academic / other
Drugs / interventionschemotherapy, immunotherapy, prednisone
Locations1 site (Guangzhou, Guangdong)
Trial IDNCT05173246 on ClinicalTrials.gov

What this trial studies

This clinical trial evaluates the safety and efficacy of JS001, a PD-1 monoclonal antibody, combined with nab-paclitaxel and cisplatin or carboplatin as a first-line treatment for patients with unresectable or advanced small cell esophageal carcinoma (SCCE). The study is a prospective, single-arm, single-center phase II trial conducted at Sun Yat-sen University Cancer Center. It aims to determine how well this combination therapy works compared to standard treatments, given the poor prognosis associated with SCCE. Participants must meet specific eligibility criteria, including having measurable lesions and good organ function.

Who should consider this trial

Good fit: Ideal candidates are males and females aged 18-75 with unresectable locally advanced or metastatic small cell esophageal carcinoma who have not received prior systemic anti-tumor therapy.

Not a fit: Patients with early-stage esophageal cancer that is resectable or those who have received prior systemic therapy may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could provide a new effective option for patients with advanced small cell esophageal carcinoma.

How similar studies have performed: Other studies have shown promising results with similar approaches combining PD-1 inhibitors and chemotherapy in esophageal cancer, suggesting potential for success in this trial.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Males and females aged 18-75 years;
2. Histologically or cytologically confirmed esophageal small cell carcinoma with unresectable locally advanced / recurrent or distant metastasis
3. Patients who have not received systemic anti-tumor therapy
4. Patients with recurrence or metastasis more than 6 months after the end of adjuvant or neoadjuvant chemotherapy accompanied by radical surgery or radical chemoradiotherapy;
5. With at least 1 measurable lesion according to RECIST 1.1 criteria;
6. ECOG score 0-1;
7. Expected survival ≥3 months;
8. Good organ function (without blood transfusion, use of hematopoietic stimulating factors, or transfusion of albumin or blood products within 7 days prior to examination): 1) Platelet (PLT) count ≥75,000 /mm3; 2) Neutrophil count (ANC) ≥1,500 /mm3; 3) Hemoglobin (Hb) level ≥9.0 g/dl; 4) Total bilirubin (TBIL) level ≤1.5×ULN; 5) Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) level ≤2.5×ULN (≤5×ULN in case of liver metastasis); 6) Alkaline phosphatase level ≤2.5×ULN (≤5×ULN in case of liver metastasis); 7) Serum creatinine (Cr) level ≤1.5×ULN and creatinine clearance \>50 ml/min;
9. Females of child bearing age must have anegative pregnancy test, and have to take contraception measures and for 3 months after the last dose
10. Able to understand and willing to sign written informed consent form.
11. Patients who agree to provide previously stored tumor tissue samples or perform biopsy to collect tumor tissue for gene testing.

Exclusion Criteria:

1. Known allergy to study drug or excipients, or allergy to similar drugs;
2. Received anti-tumor cytotoxic drug therapy, biological drug therapy (such as monoclonal antibody), immunotherapy (such as interleukin-2 or interferon) or other research drug therapy within 4 weeks before enrollment.
3. Received tyrosine kinase inhibitor treatment within 2 weeks before enrollment.
4. Patients received radiotherapy within 4 weeks or radiopharmaceuticals within 8 weeks, except for local palliative radiotherapy for bone metastases.
5. Major surgery was performed or not completely recovered from the previous surgery within 4 weeks before enrollment (the definition of major surgery refers to the level 3 and level 4 surgery specified in the administrative measures for clinical application of medical technology implemented on May 1, 2009).
6. The toxicity of previous anti-tumor therapy has not recovered to CTCAE \[version 4.03\] 0-1, except for the following cases: a) lipsotrichia;b) Pigmentation;c) Peripheral neurotoxicity has recovered to \< CTCAE 2;d) The long-term toxicity caused by radiotherapy could not be recovered according to the judgment of the researchers;
7. Subjects with clinically symptomatic CNS metastases and/or cancerous meningitis. The subjects who have received brain or meningeal metastasis treatment in the past, if the clinical stability has been maintained for at least 2 months, and the systemic hormone treatment has been stopped for more than 4 weeks can be included.
8. Have or are currently suffering from other malignancies (except for non melanoma basal cell carcinoma of the skin, breast / cervical carcinoma in situ, and other malignancies that have been effectively controlled without treatment in the past five years).
9. Subjects have any active autoimmune disease or history of autoimmune disease (including but not limited to: interstitial pneumonia, uveitis, enteritis, hepatitis, hypophysitis, nephritis, hyperthyroidism, hypothyroidism; subjects with vitiligo or asthma in childhood who have completely remission and do not need any intervention in adulthood can be included; subjects with asthma requiring bronchodilator for medical intervention can not be included).
10. Previous use of anti-PD-1 antibody, anti-PD-L1 antibody, anti-PD-L2 antibody or anti-CTLA-4 antibody (or any other antibody acting on T cell costimulation or checkpoint pathway).
11. Subjects with active pulmonary tuberculosis (TB) are receiving antituberculosis treatment or received antituberculosis treatment within one year before screening.
12. Patients with complications requiring long-term use of immunosuppressive drugs or systemic or local use of corticosteroids with immunosuppressive effect (dose \> 10mg / day of prednisone or other therapeutic hormones).
13. Received any anti infection vaccine (such as influenza vaccine, varicella vaccine, etc.) within 4 weeks before enrollment.
14. Pregnant or lactating women.
15. HIV positive.
16. HBsAg positive and HBV DNA copy number positive (quantitative detection ≥ 1000 CPS / ml).
17. HCV antibody positive.
18. Researchers believe that it can affect the compliance of the protocol, or affect the subject to sign the informed consent(ICF), or any other disease or condition of clinical significance that is not suitable to participate in this clinical trial.
19. There are clinical symptoms or diseases that can not be well controlled, such as: (1) heart failure of NYHA grade 2 or above (2) unstable angina pectoris (3) myocardial infarction within one year (4) clinically significant supraventricular or ventricular arrhythmia requiring treatment or intervention.

Where this trial is running

Guangzhou, Guangdong

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Esophageal Small Cell CarcinomaJS001Nab-paclitaxel andCisplatinCarboplatinSmall cell esophageal carcinoma
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.