Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Terminated Phase 3 Interventional Results available

Study of the Safety and Efficacy of OMS721 in Patients With Immunoglobulin A (IgA) Nephropathy

ClinicalTrials.gov ID: NCT03608033

Public ClinicalTrials.gov record NCT03608033. 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, 8:42 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, Phase 3 Study of the Safety and Efficacy of OMS721 in Patients With Immunoglobulin A (IgA) Nephropathy (ARTEMIS - IGAN)

Brief summary

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

The primary objective of this study is to evaluate the effect of OMS721 on 24-hour urine protein excretion (UPE) in IgA nephropathy (IgAN) patients with high baseline proteinuria (high-risk proteinuria group; 24-hour UPE ≥ 2 g/day) assessed at 36 weeks from baseline.

Study identification

NCT ID
NCT03608033
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 3
Lead sponsor
Omeros Corporation
Industry
Enrollment
360 participants

Conditions and interventions

Interventions

Biological · Other

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 4, 2018
Primary completion
Jan 11, 2024
Completion
Jan 11, 2024
Last update posted
Dec 8, 2025

2018 – 2024

United States locations

U.S. sites
34
U.S. states
18
U.S. cities
32
Facility City State ZIP Site status
Omeros Investigational Site Florence Alabama 35630
Omeros Investigational Site Mesa Arizona 85206
Omeros Investigation Sites Phoenix Arizona 85016
Omeros Investigational Site Scottsdale Arizona 85258
Omeros Investigational Site Scottsdale Arizona 85259
Omeros Investigational Site Los Angeles California 90022-4302
Omeros Investigational Site Los Angeles California 90025
Omeros Investigational Site Northridge California 91324
Omeros Investigational Site San Dimas California 91773
Omeros Investigational Site San Francisco California 94118
Omeros Investigational Site Stanford California 94304
Omeros Investigational Site Torrance California 90509
Omeros Investigational Site Denver Colorado 80230
Omeros Investigational Site Miami Florida 33136
Omeros Investigational Site Miami Lakes Florida 33014
Omeros Investigational Site Lawrenceville Georgia 30046
Omeros Investigational Site Chicago Illinois 60612
Omeros Investigational Site Iowa City Iowa 52242
Omeros Investigational Site Boston Massachusetts 02111
Omeros Investigational Site Springfield Massachusetts 01107
Omeros Investigational Site Minneapolis Minnesota 55414
Omeros Investigational Site Rochester Minnesota 55905
Omeros Investigational Site St Louis Missouri 63110
Omeros Investigational Site Fresh Meadows New York 11365
Omeros Investigational Site New York New York 10029
Omeros Investigational Site Cincinnati Ohio 45220
Omeros Investigational Site Columbus Ohio 43210
Omeros Investigational Site Philadelphia Pennsylvania 19104
Omeros Investigational Site Charleston South Carolina 29425
Omeros Investigational Site Chattanooga Tennessee 37404
Omeros Investigational Site Amarillo Texas 79106
Omeros Investigational Site Dallas Texas 75246
Omeros Investigational Site Houston Texas 77054
Omeros Investigational Site Milwaukee Wisconsin 53226

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 105 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03608033, 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 Dec 8, 2025 · Synced Sep 6, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03608033 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →