Clinical trial Recruiting at 1 site Phase 3 Interventional Ages 18 to 75

Combining pembrolizumab with chemotherapy for esophageal cancer treatment

Official title: A Multicenter Randomized, Controlled Phase III Clinical Trial of Pembrolizumab Plus Paclitaxel and Cisplatin Versus Neoadjuvant Chemoradiotherapy Followed by Surgery for Locally Advanced Esophageal Squamous Cell Carcinoma (KEYSTONE-002)

Run by Tianjin Medical University Cancer Institute and Hospital · NCT04807673 · Data updated 2026-11-12

This study is testing if combining a drug called pembrolizumab with chemotherapy can help people with advanced esophageal cancer live longer and have better outcomes before surgery compared to standard treatment.

More Esophageal Squamous Cell Carcinoma trials

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years to 75 Years
SexAll
Enrollment342 (estimated)
SponsorTianjin Medical University Cancer Institute and Hospital
Academic / other
Drugs / interventionschemotherapy, immunotherapy, pembrolizumab
Locations1 site (Tianjin, Tianjin Municipality)
StatusRecruiting
StartedDecember 1, 2021
Main results expectedDecember 31, 2023
Study endsMay 2028
Registry record updatedJune 1, 2022
Trial IDNCT04807673 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults aged 18-75 with histologically confirmed resectable esophageal squamous cell carcinoma and a performance status of 0 or 1.

Probably not a fit

Patients with metastatic disease or those who cannot tolerate chemotherapy or immunotherapy may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study evaluates the effectiveness and safety of pembrolizumab combined with paclitaxel and cisplatin as a neoadjuvant therapy followed by surgery, compared to traditional neoadjuvant chemoradiotherapy for patients with locally advanced esophageal squamous cell carcinoma (ESCC). The trial aims to determine if this combination can improve event-free survival rates. It involves multiple centers and includes rigorous eligibility criteria to ensure participant safety and treatment efficacy.

Why it matters

Potential benefit: If successful, this approach could provide a more tolerable and effective treatment option for patients with locally advanced ESCC.

How similar studies have gone: Other studies have shown promising results with immunotherapy combined with chemotherapy in various cancers, suggesting potential success for this approach in ESCC.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Histologically confirmed esophageal squamous cell carcinoma;
2. R0 resectable thoracic esophageal cancer, cT1-3N1-2M0, cT2-3N0M0 (AJCC V8 TNM classification);
3. No suspicious metastatic lymph nodes on the clavicle;
4. Have a performance status of 0 or 1 on the ECOG Performance Scale;
5. Age 18-75 years old, both men and women;
6. Be willing and able to provide written informed consent/assent for the trial;
7. Demonstrate adequate organ function ;
8. Female subject of childbearing potential should have a negative urine or serum pregnancy within 72 hours before receiving the first dose of study medication. If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required;
9. Be willing to provide tissue, blood, and urine samples. Tissue should be from a newly obtained core or excisional biopsy of a tumor lesion through repeated biopsies. Newly-obtained is defined as a specimen obtained up to 4 weeks (28 days) before initiation of treatment on Day 1.
10. Have not received systemic or local treatment for esophageal cancer in the past.

Exclusion Criteria:

1. Ineligibility or contraindication for esophagectomy;
2. Prior therapy (operation, radiotherapy, immunotherapy, or chemotherapy) for esophageal cancer
3. Active autoimmune disease or history of autoimmune disease;
4. Requiring systemic treatment with either corticosteroids or other immunosuppressive medications;
5. Subjects with a history of symptomatic interstitial lung disease;
6. History of allergy to study drug components;
7. Women must not be pregnant or breast-feeding;
8. Patient has received prior chemotherapy, radiotherapy, target therapy ,and immune therapy for this malignancy or any other past malignancy;
9. Underlying medical conditions that, in the Investigator's opinion, will make the administration of study drug hazardous or obscure the interpretation of toxicity or adverse events.

Where it's running

  • Department of minimally invasive esophageal surgery, Tianjin Medical University Cancer Institute and Hospital
    Tianjin, Tianjin Municipality, China
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.