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Completed Phase 2 Interventional Results available

Niclosamide for Mild to Moderate COVID-19

ClinicalTrials.gov ID: NCT04399356

Public ClinicalTrials.gov record NCT04399356. 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 Oct 21, 2026, 5:08 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

Niclosamide for Patients With Mild to Moderate Disease From Novel Coronavirus (COVID-19)

Brief summary

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

This study will evaluate the antihelmintic drug, Niclosamide, as a potential treatment for mild to moderate coronavirus disease 2019 (COVID-19).

Study identification

NCT ID
NCT04399356
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Tufts Medical Center
Other
Enrollment
73 participants

Conditions and interventions

Conditions

Interventions

Drug · 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
Oct 1, 2020 (Actual)
Primary completion
Apr 20, 2021 (Actual)
Completion
Aug 19, 2021 (Actual)
Last update posted
Apr 12, 2022

2020 – 2021

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Tufts Medical Center Boston Massachusetts 02111 —

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 NCT04399356, 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 Apr 12, 2022 · Synced Oct 21, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04399356 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →