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Study of Durvalumab Versus Placebo in Combination With Definitive Chemoradiation Therapy in Patient With ESCC

A Phase III, Randomized, Double-Blind, Placebo Controlled, Multi-Center, International Study of Durvalumab Given Concurrently With Definitive Chemoradiation Therapy in Patients With Locally Advanced, Unresectable Esophageal Squamous Cell Carcinoma (KUNLUN)

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04550260
Acronym
KUNLUN
Enrollment
640
Registered
2020-09-16
Start date
2020-10-19
Completion date
2027-06-30
Last updated
2026-05-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Esophageal Squamous Cell Carcinoma

Keywords

Locally Advanced unresectable ESCC, PD-L1, Durvalumab

Brief summary

This is a Phase III, randomized, double-blind, placebo-controlled, multi-center international study to assess the efficacy and safety of durvalumab administered concurrently with dCRT in patients with locally advanced, unresectable esophageal squamous cell carcinoma (ESCC).

Detailed description

Approximately 600 patients with locally advanced, unresectable ESCC (AJCC 8th cStage II-IVA) will be randomized in a 2:1 ratio to receive either durvalumab + dCRT or placebo + dCRT. The primary objectives of this study are to assess the efficacy of durvalumab + dCRT compared with placebo + dCRT in terms of progression free survival (PFS, per RECIST 1.1 as assessed by BICR) in PD-L1 High population.

Interventions

DRUGDurvalumab

Durvalumab intravenous infusion

DRUGPlacebo

Durvalumab matching placebo for intravenous infusion

DRUGcisplatin + fluorouracil

cisplatin + fluorouracil, as per Standard of Care

cisplatin + capecitabine, as per Standard of Care

RADIATIONRadiation

50-64Gy in total

Sponsors

AstraZeneca
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Masking description

Sponsor, excluding supply chain management personnel, will remain blinded.

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* 18 years or older at the time of signing the ICF. * Histologically or cytologically confirmed esophageal squamous cell carcinoma, and present with locally advanced disease (Stage II-IVA). * Unresectable or refusing surgery, and has been deemed suitable for definitive chemoradiation therapy. * Patients with at least an evaluable lesion per RECIST 1.1. * Mandatory provision of available tumor tissue for PD-L1 expression analysis. * ECOG PS 0 or 1. * Adequate organ and marrow function. * Life expectancy of more than 3 months.

Exclusion criteria

* Histologically or cytologically confirmed small cell esophageal carcinoma, esophageal adenocarcinoma or other mixed carcinoma. * Prior anti-cancer treatment for ESCC. * Patient with a great risk of perforation and massive bleeding. * History of allogeneic organ transplantation. * Active or prior documented autoimmune or inflammatory disorders. * Uncontrolled intercurrent illness. * History of another primary malignancy. * Active infection including tuberculosis, hepatitis B, hepatitis C, or human immunodeficiency virus. * Known allergy or hypersensitivity to any of the study drugs or any of the study drug excipients.

Design outcomes

Primary

MeasureTime frameDescription
Progression free survival (PFS) per RECIST 1.1 as assessed by BICRup to approximately 56 monthsTo assess the efficacy in terms of PFS in PD-L1 High population

Secondary

MeasureTime frameDescription
Overall survival (OS)up to approximately 72 monthsTo assess the efficacy in terms of OS in all randomized patients and in PD-L1 High population until the date of death
Progression free survival (PFS) per RECIST 1.1 as assessed by BICRup to approximately 56 monthsTo assess the efficacy in terms of PFS in all randomized patients.

Countries

Belgium, Brazil, Canada, China, France, Japan, Mexico, Poland, Russia, South Korea, Spain, Taiwan, Thailand, Turkey (Türkiye), United States, Vietnam

Contacts

PRINCIPAL_INVESTIGATORLuhua Wang, MD

Cancer Hospital of Chinese Academy of Medical Science

PRINCIPAL_INVESTIGATORNabil Saba, MD

Department of Hematology and Medical Oncology, Emory University

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: May 14, 2026