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COVID-19Phase 1NCT04859244

First-in-Human Study of Orally Administered GS-441524 for COVID-19

A Phase 1 study testing GS-441524 in people with COVID-19, run by Copycat Sciences LLC at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This is a two-part study is to evaluate the multi-day safety, tolerability, and pharmacokinetics (PK) of orally administered GS-441524 in a healthy human volunteer. Read more about this study

Who is it for?
Ages 18 years and older, women onlyHealthy volunteers can take part
Conditions the study is for
COVID-19
What is being tested?
GS-441524
Could I receive a placebo?
No, everyone receives an active treatment
How many people
1 participants
Where
1 siteUnited States
Study dates
1 Jan 2021to 1 Aug 2021
Phase
Phase 1
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 years and older
  • Women only
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Willing and able to provide written informed consent
  • Negative pregnancy test at screening and prior to dosing
  • Minimum body weight of 50 kg and body mass index (BMI) of 18-32 kg/m2

Who cannot join

  • Use of other investigational drugs within 28 days of dosing
  • Positive pregnancy test
  • Abuse of alcohol or drugs
  • Other clinically significant medical conditions or laboratory abnormalities

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Copycat Sciences Study Site

    Houston, Texas, 77054

Other trials in United States

About this study

Official title: First-in-Human Evaluation of the Safety, Tolerability, and Pharmacokinetics of Orally Administered GS-441524 in a Healthy Human Volunteer

This is a two-part study is to evaluate the multi-day safety, tolerability, and pharmacokinetics (PK) of orally administered GS-441524 in a healthy human volunteer.

Read the detailed description

Part 1: 750 mg GS-441524 administered once daily (QD) for 7 days. Part 2: 750 mg GS-441524 administered three times daily (TID) for 3 days.

Conditions
COVID-19
Being tested
GS-441524
Keywords
GS-441524, remdesivir, GS-5734, Copycat Sciences, Gilead Sciences, COVID-19, antiviral
Medical subject headings
COVID-19

What participants receive

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

  • GS-441524Drug

    Also called Parent nucleoside of remdesivir

    750 mg administered as a solution

Study groups in NCT04859244
Study groupRoleWhat they receive
Part 1: GS-441524 (QD, 7 days)Experimental750 mg GS-441524 administered QD for 7 days
Receives: Drug: GS-441524
Part 2: GS-441524 (TID, 3 days)Experimental750 mg GS-441524 administered TID for 3 days
Receives: Drug: GS-441524

What is being measured

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

  1. Emergence of treatment-related adverse events (AEs)

    Treatment-related AEs are defined as significant changes to blood chemistry (CBC, CMP) or 6-lead ECG.

    Measured: Day 7

Secondary outcomes (8)
  1. Pharmacokinetic (PK) Parameter: AUC0-24h of GS-441524 in Parts 1 and 2.

    AUC0-24h is defined as the concentration of drug over time between time 0 to time 24 hours.

    Measured: Intensive PK: Day 1 to Day 7

  2. PK Parameter: AUClast of GS-441524 in Parts 1 and 2.

    AUClast is defined as the concentration of drug from time zero to the last observable concentration.

    Measured: Intensive PK: Day 1 to Day 7

  3. PK Parameter: T1/2 of GS-441524 in Parts 1 and 2.

    T/2 is defined as the estimate of the terminal elimination half-life of the drug

    Measured: Intensive PK: Day 1 to Day 7

  4. PK Parameter: Cmax of GS-441524 in Parts 1 and 2.

    Cmax is defined as the maximum observed concentration of drug.

    Measured: Intensive PK: Day 1 to Day 7

  5. PK Parameter: Tmax of GS-441524 in Parts 1 and 2.

    Tmax is defined as the time (observed time point) of Cmax.

    Measured: Intensive PK: Day 1 to Day 7

  6. PK Parameter: Clast of GS-441524 in Parts 1 and 2.

    Clast is defined as the last observable concentration of drug.

    Measured: Intensive PK: Day 1 to Day 7

  7. PK Parameter: Tlast of GS-441524 in Parts 1 and 2.

    Tlast is defined as the time (observed time point) of Clast.

    Measured: Intensive PK: Day 1 to Day 7

  8. PK Parameter: AUCtau of GS-441524 in Parts 1 and 2.

    AUCtau is defined as concentration of drug over time (the area under the concentration verses time curve over the dosing interval).

    Measured: Intensive PK: Day 1 to Day 7

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 start1 Jan 2021
  3. Primary completion1 May 2021
  4. Study completion1 Aug 2021

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 1
Primary purpose
Treatment
Allocation
Non-randomised
Intervention model
Crossover
Masking
None (open label)
Enrolment
1 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04859244
Sponsor's protocol ID
CC-2021-001
Status last verified
Apr 2021
First submitted
19 Apr 2021
Last updated
10 Aug 2021
Results posted
No
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
Yes: All collected IPD

Publications

  • Humeniuk R, Mathias A, Cao H, Osinusi A, Shen G, Chng E, Ling J, Vu A, German P. Safety, Tolerability, and Pharmacokinetics of Remdesivir, An Antiviral for Treatment of COVID-19, in Healthy Subjects. Clin Transl Sci. 2020 Sep;13(5):896-906. doi: 10.1111/cts.12840. Epub 2020 Aug 5.

    PubMed 32589775
  • Tempestilli M, Caputi P, Avataneo V, Notari S, Forini O, Scorzolini L, Marchioni L, Ascoli Bartoli T, Castilletti C, Lalle E, Capobianchi MR, Nicastri E, D'Avolio A, Ippolito G, Agrati C; COVID 19 INMI Study Group. Pharmacokinetics of remdesivir and GS-441524 in two critically ill patients who recovered from COVID-19. J Antimicrob Chemother. 2020 Oct 1;75(10):2977-2980. doi: 10.1093/jac/dkaa239.

    PubMed 32607555
  • Davis MR, Pham CU, Cies JJ. Remdesivir and GS-441524 plasma concentrations in patients with end-stage renal disease on haemodialysis. J Antimicrob Chemother. 2021 Feb 11;76(3):822-825. doi: 10.1093/jac/dkaa472. No abstract available.

    PubMed 33152758
  • Yan VC, Muller FL. Advantages of the Parent Nucleoside GS-441524 over Remdesivir for Covid-19 Treatment. ACS Med Chem Lett. 2020 Jun 23;11(7):1361-1366. doi: 10.1021/acsmedchemlett.0c00316. eCollection 2020 Jul 9.

    PubMed 32665809

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing GS-441524 in people with COVID-19, run by Copycat Sciences LLC 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 3 inclusion and 4 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: finished, as of the sponsor's last update on 10 Aug 2021. 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. 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 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

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 is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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?

Emergence of treatment-related adverse events (AEs) (time frame: Day 7). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT04859244, which also lists 4 linked publications.

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 10 Aug 2021.

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