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Completed Phase 3 Interventional

Sintilimab or Placebo With Chemotherapy in Esophageal Squamous Cell Carcinoma ( ORIENT-15 )

ClinicalTrials.gov ID: NCT03748134

Public ClinicalTrials.gov record NCT03748134. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 6, 2026, 6:47 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Multicenter, Double-Blind, Randomized Phase 3 Clinical Trial Evaluating the Efficacy and Safety of Sintilimab vs. Placebo, in Combination With Chemotherapy, for First-Line Treatment of Unresectable, Locally Advanced, Recurrent, or Metastatic Esophageal Squamous Cell Carcinoma (ORIENT-15)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a randomized, double-blind multi-center, phase III study comparing the efficacy and safety of sintilimab or placebo in combination with chemotherapy as first-line treatment in subjects with unresectable, locally advanced recurrent or metastatic esophageal squamous cell carcinoma. After the interim analysis conducted by the iDMC, an open-label assignment of experimental arm therapy will continue in regions outside of China, in order to further evaluate the efficacy and safety of sintilimab in combination with chemotherapy in subjects representing the western population with advanced esophageal squamous cell carcinoma

Study identification

NCT ID
NCT03748134
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Enrollment
746 participants

Conditions and interventions

Interventions

Biological · Drug

Eligibility (public fields only)

Age range
18 Years to 75 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Dec 23, 2018
Primary completion
Sep 8, 2021
Completion
Jul 28, 2023
Last update posted
Oct 23, 2023

2018 – 2023

United States locations

U.S. sites
7
U.S. states
6
U.S. cities
7
Facility City State ZIP Site status
St. Joseph Heritage Healthcare - Virginia K. Crosson Cancer Center Anaheim California 92835
UC Irvine Orange California 92868
Rocky Mountain Cancer Centers, LLP Denver Colorado 80218
IACT Health - John B. Amos Cancer center Columbus Georgia 31904
Stephenson Cancer Center Oklahoma City Oklahoma 73104
Texas Oncology, P.A. Austin Texas 78705
Northwest Cancer Specialists, P.C. Vancouver Washington 98684

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 41 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03748134, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Oct 23, 2023 · Synced Sep 6, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03748134 live on ClinicalTrials.gov.

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