🏛️ Verified NIH Record • Updated 2026-05-12

Study of Durvalumab Versus Placebo in Combination With Definitive Chemoradiation Therapy in Patient With ESCC (NCT04550260)

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)

🔵 Active, Not Recruiting Phase3 💊 Investigational Drug / Biologic Sponsor: AstraZeneca

🩺 Plain-English Summary (8th-Grade Level)

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).

Who can join: Review the eligibility criteria below.

Location: Research Site — Atlanta, Georgia

Age range: 18 Years

📋 "Do I Qualify?" — 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria ↗

📍 All Participating Trial Locations (133 Sites)

Showing the first 25 of 133 sites.

  • Research Site — Atlanta, Georgia
  • Research Site — Louisville, Kentucky
  • Research Site — Dallas, Texas
  • Research Site — Fairfax, Virginia
  • Research Site — Morgantown, West Virginia
  • Research Site — Brussels,
  • Research Site — Charleroi,
  • Research Site — Liège,
  • Research Site — Namur,
  • Research Site — Barretos,
  • Research Site — Fortaleza,
  • Research Site — Porto Alegre,
  • Research Site — Porto Alegre,
  • Research Site — Rio de Janeiro,
  • Research Site — São José do Rio Preto,
  • Research Site — Vitória,
  • Research Site — Barrie, Ontario
  • Research Site — Greater Sudbury, Ontario
  • Research Site — Anyang,
  • Research Site — Beijing,
  • Research Site — Beijing,
  • Research Site — Bengbu,
  • Research Site — Changsha,
  • Research Site — Changzhi,
  • Research Site — Chengdu,

💰 Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

💡 How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Review the official NIH record below to find the coordinating site.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
🏛️ View Official NIH Record ↗