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NCT04858425 · ClinicalTrials.gov registry record · Phase 2

Safety and Efficacy of Niclosamide in Patients With COVID-19 With Gastrointestinal Infection

A Phase 2 study, sponsored by Entero Therapeutics.

Terminated
Registry status
Phase 2
Development phase
166
Enrollment target

NCT04858425: Clinical Trial Phase 2 study, sponsored by Entero Therapeutics.

NCT04858425 is a Phase 2 study that was terminated before completion, run by Entero Therapeutics. The registered enrollment target is 166 participants, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (25% higher). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04858425, a Phase 2 study, was terminated before completion, sponsored by Entero Therapeutics.

TERMINATED
Registry status
Phase 2
Development phase
166 participants
Enrollment target

Study Summary

This is a 2-part, 2-arm, Phase 2 , multicentre, randomized, double-blind, placebo-controlled study in adults with COVID-19 with gastrointestinal infection.

Primary Outcome

Serious adverse event (SAE) coded by System Organ Class (SOC) and Preferred Term (PT), using the Medical Dictionary for Regulatory Activities (MedDRA).

Interventions

  • DRUG Placebo
  • DRUG Niclosamide

Trial Details

FieldValue
Enrollment Target 166 participants
Start Date 2021-04-30
Est. Completion 2023-09-10
Phase Phase 2
Entero Therapeutics

7 total trials

Why NCT04858425 stopped before completion

NCT04858425 is an interventional study that assigns participants to a tested intervention. The registered 166 participants enrollment target is mid-sized for trials with a published cap, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (25% higher).

The record links to 0 conditions, and to 2 interventions - of which Placebo is the first listed.

NCT04858425 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04858425 about?

NCT04858425 is a clinical study titled "Safety and Efficacy of Niclosamide in Patients With COVID-19 With Gastrointestinal Infection". This is a 2-part, 2-arm, Phase 2 , multicentre, randomized, double-blind, placebo-controlled study in adults with COVID-19 with gastrointestinal infection.

What is the current status of trial NCT04858425?

This trial is currently terminated. It is a Phase 2 study. The enrollment target is 166 participants. The study started on 2021-04-30. Estimated completion is 2023-09-10.

What interventions are being tested in trial NCT04858425?

The interventions under investigation include: Placebo (DRUG), Niclosamide (DRUG).

Who is sponsoring clinical trial NCT04858425?

This trial is sponsored by Entero Therapeutics, which has 7 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04858425's enrollment target sits among peer trials

166 406th of 2000 higher than 1,591 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT04858425, the US trial registry maintained by the National Library of Medicine. NCT04858425 (mid enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.