ClinicalTrials.gov record
Terminated Phase 3 Interventional Results available

A Study to Assess Pulsed Inhaled Nitric Oxide vs Placebo in Subjects With Mild or Moderate COVID-19

ClinicalTrials.gov ID: NCT04421508

Public ClinicalTrials.gov record NCT04421508. 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 May 20, 2026, 8:57 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

A Randomized, Double-Blind, Placebo-Controlled Study to Assess the Efficacy and Safety of Pulsed, Inhaled Nitric Oxide (iNO) Versus Placebo in Subjects With Mild or Moderate Coronavirus (COVID-19)

Study identification

NCT ID
NCT04421508
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 3
Lead sponsor
Bellerophon Pulse Technologies
Industry
Enrollment
191 participants

Conditions and interventions

Interventions

  • INOpulse Combination Product
  • Placebo Combination Product

Combination Product

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
Jul 11, 2020
Primary completion
Dec 27, 2020
Completion
Jan 21, 2021
Last update posted
Feb 20, 2023

2020 – 2021

United States locations

U.S. sites
17
U.S. states
9
U.S. cities
11
Facility City State ZIP Site status
Banner University Medical Center Phoenix Arizona 85006
Kaiser Permanente - Zion Medical Center San Diego California 92120
Kaiser Permanente - San Diego Medical Center San Diego California 92123
University of Miami Health System Miami Florida 33136
The Lung Research Center (St. Luke's) Chesterfield Missouri 63017
University of New Mexico Hospital Albuquerque New Mexico 87106
The Ohio State University Wexner Medical Center Columbus Ohio 43210
Mercy Health St. Vincent Medical Center Toledo Ohio 43608
Temple University Hospital Philadelphia Pennsylvania 19140
Houston Methodist Houston Texas 77030
INOVA Falls Church Virginia 22042
St. Francis Medical Center Richmond Virginia 23114
Memorial Regional Medical Center Richmond Virginia 23116
Chippenham Medical Center Richmond Virginia 23225
Pulmonary Associates of Richmond Richmond Virginia 23226
St. Mary's Hospital Richmond Virginia 23226
Johnston-Willis Hospital Richmond Virginia 23235

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 NCT04421508, 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 Feb 20, 2023 · Synced May 20, 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 NCT04421508 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →