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Covid19Phase 3NCT04858620

A Study to Evaluate the Efficacy of Xlear vs. Placebo for Acute COVID-19 Infection

A Phase 3 study testing Xlear Nasal Spray in people with Covid19, run by Larkin Community Hospital at 1 site in United States.

Withdrawn

Withdrawn. The study stopped before anyone enrolled.

Official record
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Trial summary

This study aims to find out the efficacy of Xlear nasal spray as an adjunct medication against COVID-19. This encompasses reduction in the number of days to negativization via nasal swab PCR from the average 14 days and early improvement of symptoms. Read more about this study

Who is it for?
Ages 18 to 90 yearsHealthy volunteers can take part
Conditions the study is for
Covid19
What is being tested?
Xlear Nasal Spray
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
0 participants
Where
1 siteUnited States
Study dates
30 Aug 2020to 30 Aug 2021
Phase
Phase 3
Are there results?
None posted in the registry

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 to 90 years
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Adults of ages 18 to 90 years of both sexes
  • With positive SARS-CoV-2 carriage confirmed by nasopharyngeal PCR
  • Signed informed consent
  • Mild symptoms: Minimum respiratory symptoms or asymptomatic plus positive test
  • Moderate symptoms: Respiratory symptoms such as cough, mild shortness of breath with mild oxygen desaturation(room air SpO2 <92% and >88% or <88% corrected to >92% with 2 liters of oxygen)

Who cannot join

  • Patient with very low viral load (threshold cycle [Ct] > 25 per PCR).
  • Known hypersensitivity to one of the constituents, particularly to xylitol or grapefruit seed extract (GSE)
  • Under 18 years of age
  • Women of childbearing age who are pregnant, breastfeeding mothers, and intend to become pregnant during the study period; unwilling/unable to take a pregnancy test.
  • Unable to provide informed consent or decline to consent or unwillingness to adhere to the Standard of Care protocol.
  • Patients with severe symptoms -Hypoxia (SpO2 <88% not corrected by 2 liter non-concentrated oxygen) plus severe shortness of breath
Show all 12Show fewer
  • History of immunodeficiency or are currently receiving immunosuppressive therapy
  • Have had a planned surgical procedure within the past 12 weeks.
  • Already part of this trial, recruited at a different hospital.
  • Patient unable to perform oro-nasopharyngeal decolonization
  • Patients with acute exacerbation of severe comorbidities like heart disorders Chronic Obstructive Pulmonary Disease (COPD), Heart Failure New York Heart Association (NYHA) Class 3 and 4 and/or diseases with severe oxygenation problems
  • Patients on Remdesivir and/or other clinical trials.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Larkin Community Hospital

    Miami, Florida, 33143

Other trials in United States

About this study

Official title: A Randomized Placebo Control Trial to Evaluate the Efficacy of Xlear vs. Placebo for Acute COVID-19 Infection

This study aims to find out the efficacy of Xlear nasal spray as an adjunct medication against COVID-19. This encompasses reduction in the number of days to negativization via nasal swab PCR from the average 14 days and early improvement of symptoms.

Read the detailed description

Patients will be informed about the study including potential risk and benefits. Once written informed consent are obtained, patients will undergo a brief screening period to determine eligibility for the study. Once eligibility is confirmed, eligible patients will be placed in a randomized placebo control manner. Patient will be assigned to Xlear (2 puffs per nostrils, every 3-4 hours a day) or placebo. Patient will be followed for 1 week. Inflammatory markers will be obtained on Day 4 and repeat COVID-19 Reverse Transcriptase PCR (RT PCR) on Day 7. Follow up will be done on Day 14 for all patients.

Conditions
Covid19
Being tested
Xlear Nasal Spray, Placebo
Medical subject headings
COVID-19

What participants receive

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

  • Xlear Nasal SprayDrug

    Xylitol plus Grapefruit Seed Extract (Xlear) nasal spray, 2 puffs per nostrils, every 6 hours

  • PlaceboDrug

    Saline nasal spray, 2 puffs per nostrils, every 6 hours

Study groups in NCT04858620
Study groupRoleWhat they receive
No treatmentNo interventionNot described
TreatmentExperimentalNot described
Receives: Drug: Xlear Nasal Spray
PlaceboPlacebo comparatorSaline nasal spray, 2 puffs per nostrils, every 6 hours
Receives: Drug: Placebo

What is being measured

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

  1. Hasten baseline reactive to non-reactive on COVID 19 RT PCR

    The COVID 19 RT PCR is the gold standard in the detection of COVID 19 in patients. With the average time to negativization being 14 days. This study aims to reduce the reactivity to 7 days.

    Measured: Baseline and 7 days

Secondary outcomes (3)
  1. Change of symptoms

    Monitor changes in daily symptoms for COVID 19 positive patients using Symptom Assessment Scale (SAS). Symptoms are classified as Mild, Moderate, Severe.

    Measured: Baseline and 7 days

  2. Change of symptoms

    Monitor changes in daily symptoms for COVID 19 positive patients using Visual Analogue Scale (VAS). Symptoms are classified using a a handwritten mark on a 10-cm line that represents a continuum between "no pain" and "worst pain."

    Measured: Baseline and 7 days

  3. Change of symptoms

    Monitor changes in daily symptoms for COVID 19 positive patients using Numerical Rating Scale (NRS). Symptoms are classified from 1-10, with 1 being no symptoms and 10 worst symptoms.

    Measured: Baseline and 7 days

Timeline

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

  1. First posted26 Apr 2021
  2. Study start30 Aug 2020
  3. Primary completion30 Aug 2021 (estimated)
  4. Study completion30 Aug 2021 (estimated)

Why it stopped: Study Period Ended / Not Completed

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 3
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Crossover
Masking
Single blind
Who is masked
Care provider
Enrolment
0 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04858620
Sponsor's protocol ID
LCH-3-032020
Status last verified
Oct 2023
First submitted
4 Feb 2021
Last updated
16 Oct 2023
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Xlear Nasal Spray in people with Covid19, run by Larkin Community Hospital at 1 site in United States.

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 5 inclusion and 12 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: withdrawn, as of the sponsor's last update on 16 Oct 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. 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. Some participants in this study may receive a placebo. 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 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

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

Are results available for this study?

The study was withdrawn before enrolling participants, so there are no results.

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?

Hasten baseline reactive to non-reactive on COVID 19 RT PCR (time frame: Baseline and 7 days). 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 16 Oct 2023; AzTrials last refreshed its copy on 2 Nov 2026.

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