CClinicalTrials.gg
TerminatedNCT04410354Updated Dec 8, 2020

Study of Merimepodib in Combination With Remdesivir in Adult Patients With Advanced COVID-19

A Phase 2 interventional study of Merimepodib and Matching Placebo in COVID-19, sponsored by ViralClear Pharmaceuticals, Inc.. Terminated at 10 sites in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2020-12-08.

Sponsored by ViralClear Pharmaceuticals, Inc. · Phase 2, Interventional, and Treatment

Why this study was terminated
Failure to meet primary endpoint

From the registry’s dates

  • Primary completion was Dec 2020, 5 years 10 months ago, and no results have been posted to the registry.
Phase
Phase 2
Study type
Interventional
Enrollment
44
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

The purpose of this study is to assess the safety and efficacy of merimepodib (MMPD) oral solution when administered in combination with remdesivir in adult patients with advanced COVID-19.

Read the detailed description

This phase 2 randomized, double-blind, placebo-controlled study will enroll approximately 80 adult patients with advanced coronavirus disease 2019 (COVID-19). Approximately 80 patients will be randomized 1:1 to receive oral administration of MMPD + remdesivir or placebo + remdesivir. The first 40 patients will have a score of 3 or 4 on the National Institute of Allergy and Infectious Disease (NIAID) 8-point ordinal scale and at least one of the following: fever, cough, sore throat, malaise, headache, muscle pain, shortness of breath at rest or with exertion, confusion or symptoms of severe lower respiratory symptoms; the final 40 patients will have a score of 3 on the NIAID scale.

Study subjects will undergo screening evaluations prior to the first dose of study drug. Study drug treatment (MMPD or placebo) will continue for 10 days, unless the patient is discharged from the hospital before completing the 10-day randomized treatment period. Both treatment arms will also receive remdesivir per the Emergency Use Authorization labeling. Evaluations will be performed on Days 0-10 and every day thereafter until the subject no longer requires any form of respiratory support or they reach the last planned day of in-person study assessments and still require respiratory support. The final in-person study evaluations will be performed 4 weeks after completion of study drug (MMPD or placebo) treatment (Day 37). The final study evaluation will be a telephone call on Day 56.

02

Conditions studied

  • COVID-19

Browse trials for

Keywords

  • Coronavirus
  • Advanced Coronavirus Disease 2019
  • SARS-Cov-2
03

In context

COVID-19

7,640 studies on the registry are indexed under COVID-19; 488 are open to participants now.

This study's enrollment of 44 is below the median of 100 across 4,099 interventional studies indexed under COVID-19.

Browse COVID-19 studies →

Lead sponsor

This is the only study on the registry with ViralClear Pharmaceuticals, Inc. as lead sponsor.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • At least 18 years old
  • Confirmed SARS-CoV-2 viral infection
  • Advanced COVID-19 with score of 3 or 4 on NIAID scale (first 40 patients) or score of 3 on NIAID scale (last 40 patient
  • Has at least one of the following: fever, cough, sore throat, malaise, headache, muscle pain, shortness of breath, confusion or severe lower respiratory symptoms
  • Off antiviral medications at least 24 hours prior to first dose of study drug (except for remdesivir)
  • Able to provide consent
  • Agree to appropriate methods of contraception

Exclusion criteria

Exclusion Criteria:

  • In critical condition or has ARDS
  • On invasive mechanical ventilation or ECMO
  • Bacterial or fungal infection
  • Pregnant or lactating (women)
  • ALT >5x ULN, bilirubin >2x ULN, INR outside of normal limits at screening
  • eGFR \<30 mL/min
  • Clinically relevant serious co-morbid medical conditions
  • Treatment with any immunosuppressive therapy within 30 days prior to screening
  • Treatment with another investigational drug within 30 days or 5 half-lives of drug prior to screening
  • Prior treatment with the study drug (MMPD) or treatment with remdesivir more than 24 hours prior to the first randomized dose of study drug
  • Known hypersensitivity to the inactive ingredients in the study drug (MMPD or placebo) or any ingredient of remdesivir
05

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Triple (Participant, Care provider, Investigator)
Enrollment
44 participants (actual)

Study arms

  • Active comparator
    MMPD + remdesivir

    Study subjects will receive MMPD oral solution 3 times per day for 10 days unless discontinued early. Study subjects will also receive remdesivir infusion once a day for 5 days. If a subject does not demonstrate clinical improvement, remdesivir treatment may be extended for up to 5 additional days (for a total of up to 10 days).

    Drug: Merimepodib · Drug: Remdesivir

  • Placebo comparator
    Placebo + remdesivir

    Study subjects will receive matching placebo oral solution 3 times per day for 10 days unless discontinued early. Study subjects will also receive remdesivir infusion once a day for 5 days. If a subject does not demonstrate clinical improvement, remdesivir treatment may be extended for up to 5 additional days (for a total of up to 10 days).

    Drug: Matching Placebo · Drug: Remdesivir

Interventions

  • DrugMerimepodib

    400 mg (total daily dose of 1200 mg) for 10 days

    Also known as: VX-497

  • DrugMatching Placebo

    0 mg (total daily dose of 0 mg) for 10 days

  • DrugRemdesivir

    200 mg loading dose on Day 0 followed by 100 mg daily dose for 4 days. If a subject does not demonstrate clinical improvement, 100 mg daily dose may be extended for up to 5 additional days (for a total of up to 10 days)

06

What researchers measure

Primary outcomes

  1. Number of subjects not hospitalized or, if hospitalized, free of respiratory failure

    Proportion of subjects alive at Day 28 who are not hospitalized or if hospitalized are free of respiratory failure

    Time frame: Day 0 to Day 28

  2. Adverse Events

    Number of Adverse Events (AEs) and number \& percentage of subjects experiencing AEs after administration of the first dose of study drug

    Time frame: Day 0 to Day 56

Secondary outcomes

  1. National Institute of Allergy and Infectious Disease (NIAID) 8-Point Ordinal Scale

    Change in NIAID 8-point ordinal scale, where 1=Death and 8=Not hospitalized, no limitations on activities

    Time frame: Day 0 to Day 28

  2. Temperature

    Duration of fever

    Time frame: Day 0 to Day 37

  3. Death

    Number of deaths

    Time frame: Day 0 to Day 56

  4. Mechanical ventilation

    Need and duration of mechanical ventilation

    Time frame: Day 0 to Day 56

  5. Vasopressor Support

    Duration of vasopressor support

    Time frame: Day 0 to Day 56

  6. Oxygen Therapy

    Duration of oxygen therapy via mechanical ventilation, face mask or nasal cannula

    Time frame: Day 0 to Day 37

  7. Cessation of Viral Shedding

    Time to cessation of viral shedding based on absence of SARS-CoV-2 in a PCR based COVID-19 test

    Time frame: Day 0 to Day 37

  8. Change in Oxygen Saturation/Fraction of Inspired Oxygen

    Change in SpO2/FiO2

    Time frame: Day 0 to Day 37

07

Study locations

10 sites
  • Mayo Clinic in Arizona
    Phoenix, Arizona 85054, United States
  • Holy Cross Hospital
    Fort Lauderdale, Florida 33308, United States
  • Mayo Clinic in Florida
    Jacksonville, Florida 32224, United States
  • Mayo Clinic
    Rochester, Minnesota 55905, United States
  • Atlantic Health System / Morristown Medical Center
    Morristown, New Jersey 07960, United States
  • Atlantic Health System / Overlook Medical Center
    Summit, New Jersey 07901, United States
  • St. David's South Austin Medical Center
    Austin, Texas 78704, United States
  • St. David's Medical Center
    Austin, Texas 78705, United States
  • HCA Houston Healthcare Medical Center
    Houston, Texas 77004, United States
  • HCA Houston Healthcare Mainland
    Texas City, Texas 77591, United States
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Dec 8, 2020, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT04410354
Lead sponsor
ViralClear Pharmaceuticals, Inc.
Responsible party
Sponsor
First posted
Jun 1, 2020
Start date
Jun 16, 2020
Primary completion
Dec 1, 2020
Completion
Dec 1, 2020
Last update
Dec 8, 2020

Study contacts

Andrew Badley, MD
study director · Mayo Clinic

Oversight

Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is terminated, as verified in Dec 2020. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion