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Completed Phase 3 Interventional Results available

Efficacy of Tocilizumab on Patients With COVID-19

ClinicalTrials.gov ID: NCT04356937

Public ClinicalTrials.gov record NCT04356937. 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 Jul 21, 2026, 11:06 AM EDT

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

Official title

Tocilizumab to Prevent the Progression of Hypoxemic Respiratory Failure in Hospitalized Non-Critically Ill Patients With COVID-19

Study identification

NCT ID
NCT04356937
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Massachusetts General Hospital
Other
Enrollment
243 participants

Conditions and interventions

Conditions

Interventions

  • Tocilizumab Drug
  • Placebos Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 85 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
Apr 19, 2020
Primary completion
Jul 12, 2020
Completion
Aug 26, 2020
Last update posted
Jul 26, 2021

2020

United States locations

U.S. sites
3
U.S. states
1
U.S. cities
2
Facility City State ZIP Site status
Massachusetts General Hospital Boston Massachusetts 02114
Brigham and Women's Hospital Boston Massachusetts 02115
Newton-Wellesley Hospital Newton Massachusetts 02462

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04356937, 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 Jul 26, 2021 · Synced Jul 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04356937 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →