NCT05033145

Brief Summary

Phase III, single-center with co-participating units, randomized, double-blind, parallel, placebo-controlled clinical study

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
312

participants targeted

Target at P25-P50 for phase_3 covid19

Timeline
Completed

Started Jan 2022

Shorter than P25 for phase_3 covid19

Geographic Reach
1 country

7 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

December 4, 2020

Completed
9 months until next milestone

First Posted

Study publicly available on registry

September 2, 2021

Completed
5 months until next milestone

Study Start

First participant enrolled

January 15, 2022

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 27, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 27, 2022

Completed
Last Updated

August 12, 2022

Status Verified

September 1, 2021

Enrollment Period

6 months

First QC Date

December 4, 2020

Last Update Submit

August 10, 2022

Conditions

Keywords

AZVUDINESARS-CoV-2COVID-19FNC

Outcome Measures

Primary Outcomes (2)

  • Proportion of patients hospitalized during the study through day 28

    WHO clinical progression ordinal scale (Jun/2020), Score 4 to 10.Health Organization Ordinal Clinical Progression Scale (WHO, Jun/2020; scale 0 \[asymptomatic\] to 10 \[death\]), with score 4 to 7.

    Day 14 to Day 30

  • Proportion of participants with a clinical outcome of CURE during the study;

    The clinical outcome of cure is defined in this protocol as the absence of viral RNA in samples collected and clinical conditions for outpatient discharge.

    Day 14 to Day 30

Secondary Outcomes (13)

  • Improvement in clinical status in at least one category compared to screening

    Day 14 to Day 30

  • Severity and duration of symptoms: fever, cough, fatigue or tiredness, breathlessness, myalgia, nasal congestion or runny nose, sore throat, headache, chills, nausea, vomiting, anosmia, ageusia.

    Day 1 to Day 14

  • Changes in kidney function

    Day 1 to Day 30

  • Changes in liver function

    Day 1 to Day 30

  • Time of use of AZVUDINE until the second negative conversion of RT-PCR

    Day 1 to Day 14

  • +8 more secondary outcomes

Study Arms (2)

AZVUDINE

EXPERIMENTAL

Experimental: AZVUDINE 1mg tablet Interventions: AZVUDINE 1mg tablet, 5 tablets QD + standard treatment, for up to 14 days

Drug: AZVUDINE

AZVUDINE placebo

PLACEBO COMPARATOR

Control: AZVUDINE placebo Intervention: AZVUDINE placebo tablet, 5 tablets QD + standard treatment, for up to 14 days

Drug: AZVUDINE placebo

Interventions

AZVUDINE 5 tablets QD + standard treatment, for up to 14 days

Also known as: AZVUDINE 1 mg tablets, FNC, 4-amino-1-((2R,3S,4R,5R)-5-azido-3-fluoro-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidine-2(1H)-one, 1-(4-Azido-2-deoxy-2-fluoro-beta-D- arabino Ribo-furanosyl) cytosine, FNC
AZVUDINE

5 tablets QD + standard treatment, for up to 14 days

Also known as: Placebo
AZVUDINE placebo

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Individuals who present the following characteristics will be included in this study:
  • Age ≥18 years, regardless of gender;
  • Fluorescence RT-PCR test result of respiratory or blood samples must be positive for COVID-19, or viral gene sequencing of respiratory tract samples must be highly homologous to COVID-19; Individuals with COVID-19 must meet the diagnostic criteria in the "latest version of clinical guidelines for COVID-19" issued by the World Health Organization (WHO) on June 4, 2020;
  • Symptomatic patients who meet the case definition for COVID-19, according to WHO, without evidence of bacterial pneumonia or hypoxia (Sat O2 \< 95%) P. \[score 1-3\];
  • Voluntary participation and signing of the informed consent form.

You may not qualify if:

  • Individuals who present one or more of the following characteristics will not be eligible to participate in this study:
  • Know or suspect that you are allergic to any of the components of AZVUDINE tablets (inactive ingredients: microcrystalline cellulose, lactose hydrate, polyvinylpyrrolidone K30, croscarmellose sodium, magnesium stearate);
  • Individual presenting shortness of breath and Sat O2 \< 95%; or any other symptom requiring treatment through hospital admission;
  • Patients with liver disease (total bilirubin ≥2mg/dL, ALT/TGP e AST/TGO ≥5 times above normal limit);
  • Pactients with a history of known liver disease (cirrhosis with ChildPugh classification B and C);
  • Patients with a history of renal insufficiency (glomerular filtration rate \< 60mL/min/1,73m2);
  • Patients with history of congestive heart failure (NYHA ¾ grade), untreated symptomatic arrhythmias ormyocardial infarction within 6 months;
  • Individuals with malabsorption syndrome, or other conditions affecting gastrointestinal absorption, and circumstances in which patients require intravenous nutrition, or cannot take medications orally or nasogastrically;
  • Total neutrophil count \<750 cells/L;

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (7)

Hospital Moacyr Gomes de Azevedo

Cambuci, Rio de Janeiro, Brazil

Location

Clinical Research Unit / High Complexity Center (CRU/HCC) / Galzu Institute

Campos dos Goytacazes, Rio de Janeiro, 28110-000, Brazil

Location

Hospital Santa Casa de Misericórdia de Campos

Campos dos Goytacazes, Rio de Janeiro, Brazil

Location

Unidade de Pesquisa Clínica / Centro de Alta Complexidade

Campos dos Goytacazes, Rio de Janeiro, Brazil

Location

Unidade Pré Hospitalar São José

Campos dos Goytacazes, Rio de Janeiro, Brazil

Location

Hospital de Itaocara

Itaocara, Rio de Janeiro, Brazil

Location

Hospital Armando Vidal

São Fidelis, Rio de Janeiro, Brazil

Location

Related Publications (1)

  • da Silva RM, Gebe Abreu Cabral P, de Souza SB, Arruda RF, Cabral SPF, de Assis ALEM, Martins YPM, Tavares CAA, Viana Junior AB, Chang J, Lei P. Serial viral load analysis by DDPCR to evaluate FNC efficacy and safety in the treatment of mild cases of COVID-19. Front Med (Lausanne). 2023 Mar 14;10:1143485. doi: 10.3389/fmed.2023.1143485. eCollection 2023.

MeSH Terms

Conditions

COVID-19

Interventions

azvudineCytosine

Condition Hierarchy (Ancestors)

Pneumonia, ViralPneumoniaRespiratory Tract InfectionsInfectionsVirus DiseasesCoronavirus InfectionsCoronaviridae InfectionsNidovirales InfectionsRNA Virus InfectionsLung DiseasesRespiratory Tract Diseases

Intervention Hierarchy (Ancestors)

PyrimidinonesPyrimidinesHeterocyclic Compounds, 1-RingHeterocyclic Compounds

Study Officials

  • Sheila P Figueiredo, Nurse,MSc

    Galzu Institute

    STUDY CHAIR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Randomized, double-blind, parallel, placebo-controlled trial
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 4, 2020

First Posted

September 2, 2021

Study Start

January 15, 2022

Primary Completion

July 27, 2022

Study Completion

July 27, 2022

Last Updated

August 12, 2022

Record last verified: 2021-09

Data Sharing

IPD Sharing
Will not share

Locations