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Completed Phase 1Phase 2 Interventional Results available

Study of Intravenous ATYR1923 (Efzofitimod) for Pulmonary Sarcoidosis

ClinicalTrials.gov ID: NCT03824392

Public ClinicalTrials.gov record NCT03824392. 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 Nov 6, 2026, 6:21 PM EST

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Official title

A Randomized, Double-Blind, Placebo-Controlled Multiple Ascending Dose Study of Intravenous ATYR1923 in Patients With Pulmonary Sarcoidosis

Brief summary

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

This randomized, double-blind, placebo matched to efzofitimod-controlled, study will evaluate the safety, tolerability, immunogenicity, pharmacokinetic (PK), and preliminary efficacy of multiple ascending doses of IV efzofitimod in participants with pulmonary sarcoidosis undergoing a protocol-guided oral corticosteroid (OCS) tapering regimen.This study will consist of 3 staggered multiple dose cohorts. Each eligible participant will participate in only one cohort during the study. Within each cohort, 12 participants will be randomized 2:1 to efzofitimod (N=8) or placebo matched to efzofitimod (N=4).

Study identification

NCT ID
NCT03824392
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1, Phase 2
Lead sponsor
aTyr Pharma, Inc.
Industry
Enrollment
37 participants

Conditions and interventions

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
Jan 29, 2019 (Actual)
Primary completion
Jun 29, 2021 (Actual)
Completion
Jun 29, 2021 (Actual)
Last update posted
Jul 18, 2023

2019 – 2021

United States locations

U.S. sites
15
U.S. states
13
U.S. cities
14
Facility City State ZIP Site status
University of Alabama Birmingham Alabama 35294-0006 —
aTyr Investigative Site Northridge California 91324 —
National Jewish Health Denver Colorado 80206 —
aTyr Investigative Site Miami Florida 33125 —
Emory University Atlanta Georgia 30322 —
Northwestern University Chicago Illinois 60611 —
aTyr Investigative Site Chicago Illinois 60612 —
University of Iowa Iowa City Iowa 52242 —
University of Louisville Louisville Kentucky 40202 —
East Carolina University Greenville North Carolina 27858 —
University of Cincinnati Cincinnati Ohio 45267 —
Cleveland Clinic Cleveland Ohio 44195 —
Medical University of South Carolina Charleston South Carolina 92425 —
UT Southwestern Medical Center Dallas Texas 75390 —
Inova Fairfax Medical Center Falls Church Virginia 22042 —

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 NCT03824392, 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 18, 2023 · Synced Nov 6, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03824392 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →