Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT04522830 · ClinicalTrials.gov registry record · Phase 2

A Study in Adults to Test the Effects of Low Dose Thimerosal on Symptoms of COVID-19

A Phase 2 study, sponsored by Beech Tree Labs.

Completed
Registry status
Phase 2
Development phase
28
Enrollment target

NCT04522830: Completed Phase 2 study, sponsored by Beech Tree Labs.

NCT04522830 is a Phase 2 study that has completed, run by Beech Tree Labs. The registered enrollment target is 28 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (79% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT04522830, a Phase 2 study, has completed, sponsored by Beech Tree Labs.

COMPLETED
Registry status
Phase 2
Development phase
28 participants
Enrollment target

Study Summary

Clinical trial to compare sublingual low does thimerosal in adults that have symptoms of SARS-CoV-2 Infection against placebo to show a difference in physical characteristics and viral levels.

Primary Outcome

Change from baseline in the physical component summary of the short form-36 Quality of Life Instrument

Interventions

  • DRUG Placebo
  • DRUG BTL-TML-COVID

Trial Details

FieldValue
Enrollment Target 28 participants
Start Date 2020-07-30
Est. Completion 2021-02-28
Phase Phase 2
Beech Tree Labs

4 total trials

What the finished NCT04522830 record still lists

NCT04522830 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 28 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (79% lower).

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

NCT04522830 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04522830 about?

NCT04522830 is a clinical study titled "A Study in Adults to Test the Effects of Low Dose Thimerosal on Symptoms of COVID-19". Clinical trial to compare sublingual low does thimerosal in adults that have symptoms of SARS-CoV-2 Infection against placebo to show a difference in physical characteristics and viral levels.

What is the current status of trial NCT04522830?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 28 participants. The study started on 2020-07-30. Estimated completion is 2021-02-28.

What interventions are being tested in trial NCT04522830?

The interventions under investigation include: Placebo (DRUG), BTL-TML-COVID (DRUG).

Who is sponsoring clinical trial NCT04522830?

This trial is sponsored by Beech Tree Labs, which has 4 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04522830's enrollment target sits among peer trials

28 1677th of 2000 higher than 304 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

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT03471117 · 28 participants · Phase 4

    Pioglitazone to Reduce Sympathetic Overactivity in CKD Patients

  • NCT03523975 · 28 participants · Phase 1

    Venetoclax, Lenalidomide and Rituximab in Patients With Previously Untreated Mantle Cell Lymphoma

  • NCT03608631 · 28 participants · Phase 1

    iExosomes in Treating Participants With Metastatic Pancreas Cancer With KrasG12D Mutation

  • NCT03810651 · 28 participants · Early Phase 1

    Pencil Beam Scanning in Patients With Renal Tumors

Similar registry start date

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

  • NCT07125183 · started 2026-12 · Phase 2

    Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma

  • NCT07292298 · started 2026-11 · Phase 2

    Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

  • NCT04263285 · started 2026-10 · NA

    Treatment of Depression Post-SCI

Source: ClinicalTrials.gov NCT04522830, the US trial registry maintained by the National Library of Medicine. NCT04522830 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.