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Completed Phase 3 Interventional Results available

A Study to Evaluate the Safety and Efficacy of Tocilizumab in Patients With Severe COVID-19 Pneumonia

ClinicalTrials.gov ID: NCT04320615

Public ClinicalTrials.gov record NCT04320615. 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 25, 2026, 9:38 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 Randomized, Double-Blind, Placebo-Controlled, Multicenter Study to Evaluate the Safety and Efficacy of Tocilizumab in Patients With Severe COVID-19 Pneumonia

Brief summary

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

This study will evaluate the efficacy, safety, pharmacodynamics, and pharmacokinetics of tocilizumab (TCZ) compared with a matching placebo in combination with standard of care (SOC) in hospitalized patients with severe COVID-19 pneumonia.

Study identification

NCT ID
NCT04320615
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Hoffmann-La Roche
Industry
Enrollment
452 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years and older
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 2, 2020
Primary completion
Jun 23, 2020
Completion
Jul 27, 2020
Last update posted
Jun 29, 2021

2020

United States locations

U.S. sites
23
U.S. states
15
U.S. cities
21
Facility City State ZIP Site status
University of California San Diego La Jolla California 92093 —
eStudySite La Mesa California 91942 —
David Geffen School of Medicine UCLA Los Angeles California 90095 —
Stanford University Stanford California 94305 —
Denver Health Medical Center Denver Colorado 80204 —
University of Miami Miller School of Medicine Miami Florida 33136 —
Rush University Medical Center Chicago Illinois 60612 —
University of Chicago Chicago Illinois 60637 —
Ochsner Clinic Foundation Baton Rouge Louisiana 70809 —
Baystate Health System Springfield Massachusetts 01199 —
Mayo Clinic - PPDS Rochester Minnesota 55905 —
Hackensack University Medical Center Hackensack New Jersey 07601 —
Robert Wood Johnson University Hospital/Rutgers New Brunswick New Jersey 08901 —
James J Peters Veterans Administration Medical Center - NAVREF The Bronx New York 10468 —
Duke University Medical Center Durham North Carolina 27710 —
Cleveland Clinic Foundation; Pulmonary, Allergy & Critical Care Medicine Cleveland Ohio 44195 —
Thomas Jefferson University Philadelphia Pennsylvania 19107 —
Baylor St. Luke's Medical Center Houston Texas 77030 —
Ben Taub General Hospital - HCHD Houston Texas 77030 —
Intermountain LDS Hospital Salt Lake City Utah 84143 —
Intermountain Medical Group St. George Utah 84770 —
Evergreen Health Infectious Disease Kirkland Washington 98034 —
Swedish Hospital Medical Center Seattle Washington 98104 —

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 39 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04320615, 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 Jun 29, 2021 · Synced Sep 25, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04320615 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →