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COVID-19Phase 2COV-NINCT04469491

Treatment of COVID-19 by Nebulization of Inteferon Beta 1b Efficiency and Safety Study

A Phase 2 study testing inhaled type I interferon and WFI water nebulization in people with COVID-19 and INTERFERON, run by Centre Hospitalier Universitaire, Amiens at 7 sites in France.

Active, not recruiting

Under way, not looking for participants. Everyone needed has enrolled. The study is still running.

Official record
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Trial summary

COVID-19 is causing a serious viral pandemic in terms of health and social impact. To date, no treatment has yet demonstrated Strong efficacy in treating the infectious disease (COVID-19). Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
COVID-19, INTERFERON, NEBULIZATION
What is being tested?
inhaled type I interferon and WFI water nebulization
Could I receive a placebo?
No, everyone receives an active treatment
How many people
74 participants
Where
7 sitesFrance
Study dates
20 Sep 2020to Dec 2025
Phase
Phase 2
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Age ≥ 18 years old
  • Patient with laboratory-confirmed SARS-CoV-2 infection as determined by PCR < 96 h (at initial diagnosis or persistent carriage <96 h)
  • Hospitalized patient with COVID-19 requiring oxygen therapy
  • And targeting in phase B :
  • Patients under oxygen therapy such as nasal cannula/mask or non-invasive ventilation with paO2/FiO2 > 200 mmHg.
  • Patients hospitalized for less than 7 days.
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  • Patients with symptoms for less than 10 days or RT-PCR (<96h) with Cycle Treshold < 25.
  • Social security coverage
  • signed informed consent (by patient or their legally authorized representative)

Who cannot join

  • Hypersensitivity to natural or recombinant interferon-ß
  • Hypersensitivity to human albumin or mannitol
  • Recent suicide attempt
  • Decompensation of liver failure
  • age < 18 years
  • Pregnant or nursing.
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  • Patients managed on an outpatient basis (i.e. not initially hospitalized).
  • Parenteral IFN treatment. In periode B, addition of new exclusion criteria
  • Patients with kidney transplant
  • Immunocompromised patients
  • Patients with severe systemic disease constantly threatening their vital prognosis (ASA ≥ IV: e.g. severe ARF, advanced cancer pathology, recent myocardial IDM, severe valvular dysfunction, dependence on parenteral nutrition on central line, shock, sepsis, trauma, ...).
  • Patients in septic shock.
  • Patients with documented fungal infection.
  • Patients on mechanical ventilation.
  • Patients hospitalized for COVID-19 for more than 7 days.

Trial locations and contacts

7 sites in 1 country.

7 sites in 1 country

France7 sites
  • CH d'Abbeville

    Abbeville, 80142

  • CHU Amiens

    Amiens, 80480

  • CH Compiègne-Noyon

    Compiègne, 60200

  • CH de l'Arrondissement de Montreuil-sur-mer

    Rang-du-Fliers, 62180

  • CH de Saint-Quentin

    Saint-Quentin, 02100

  • CH de Tourcoing

    Tourcoing, 59208

  • CH de valenciennes

    Valenciennes, 59322

Other trials in France

About this study

COVID-19 is causing a serious viral pandemic in terms of health and social impact. To date, no treatment has yet demonstrated Strong efficacy in treating the infectious disease (COVID-19). Pulmonary administration of Interferon (IFN) type I is a therapeutic strategy with high potential,due to higher local concentrations and minimal adverse effects. Type I interferons (including IFN-α and IFN-β) are antiviral defence cytokines and also have the potential to negatively modulate IFN Type II and IL-6 dependent cytokine storm, the latter being induced in the late forms of COVID-19. In vitro, IFN-β were more effective on COVID-19 than IFN-α. In existing preliminary studies, only patients receiving IFN type I modulators have a decrease in viral carriage and a rapid reversal. The purpose of this project is to assess in hospitalized patients with oxygen for COVID 19, the clinical efficacy on oxygen requirements of the addition of inhaled Interferon type I compared to the control arm .

Being tested
inhaled type I interferon, WFI water nebulization
Keywords
COVID-19, INTERFERON, NEBULIZATION
Medical subject headings
COVID-19

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • inhaled type I interferonDrug

    The interventional arm includes inhaled interferon (9.6 MUI x2/d for 48 hours, then 9.6 MUI x1/d for 8 to 16 days or discharge), in addition to standard care. In phase B, maximum treatment duration is 8 days.

  • WFI water nebulizationDrug

    The interventional arm includes a WFI water nebulization comparator.

Study groups in NCT04469491
Study groupRoleWhat they receive
Inhaled IFN armExperimentalIFN (Interferon) pulmonary (Inhalation) + routine care (+/- antibiotics; +/- dexamethasone; + appropriate O2 support)
Receives: Drug: inhaled type I interferon
Control Arm:Active comparatorAerosol (WFI water and routine care (+/- antibiotics;+/- dexamethasone; + appropriate O2 support).
Receives: Drug: WFI water nebulization

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. oxygen requirement score at day 0

    oxygen requirement score at day 0

    Measured: day 0

  2. oxygen requirement score at day 15

    oxygen requirement score at day 15

    Measured: day 15

  3. Variation oxygen requirement score between day 0 and day15

    Variation oxygen requirement score between day 0 and day15

    Measured: at day 15

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted14 Jul 2020
  2. Study start20 Sep 2020
  3. Primary completion16 Jun 2023
  4. Study completionDec 2025 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Triple blind
Who is masked
Participant, Investigator, Outcomes assessor
Enrolment
74 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04469491
Sponsor's protocol ID
PI2020_843_0041
Acronym
COV-NI
Status last verified
Nov 2025
First submitted
13 Jul 2020
Last updated
19 Nov 2025
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing inhaled type I interferon and WFI water nebulization in people with COVID-19 and INTERFERON, run by Centre Hospitalier Universitaire, Amiens at 7 sites in France.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 9 inclusion and 15 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: under way, not looking for participants, as of the sponsor's last update on 19 Nov 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 7 sites in France. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

oxygen requirement score at day 0 (time frame: day 0). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 19 Nov 2025.

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