NCT05722691

Brief Summary

This is Double-Blind, Placebo-Controlled Multicentre Clinical Phase III Study conducted in 10 medical facilities. The objective of the study is to evaluate efficacy and safety of the drug Drug RADAMIN®VIRO, Lyophilisate for Preparation of Solution for Intramuscular and Subcutaneous Administration for COVID-19 Postexposure Prophylaxis

Trial Health

87
On Track

Trial Health Score

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

Enrollment
800

participants targeted

Target at P50-P75 for phase_3 covid19

Timeline
Completed

Started Jun 2022

Geographic Reach
1 country

10 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

Study Start

First participant enrolled

June 9, 2022

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 22, 2022

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

January 17, 2023

Completed
23 days until next milestone

First Submitted

Initial submission to the registry

February 9, 2023

Completed
1 day until next milestone

First Posted

Study publicly available on registry

February 10, 2023

Completed
Last Updated

February 16, 2023

Status Verified

February 1, 2023

Enrollment Period

6 months

First QC Date

February 9, 2023

Last Update Submit

February 14, 2023

Conditions

Keywords

SARS-CoV-2RADAMIN®VIRODouble-stranded RNA sodium salt

Outcome Measures

Primary Outcomes (1)

  • Confirmed COVID-19 and presence of at least 1 symptom typical of COVID-19

    The number of subjects with confirmed COVID-19 and presence of at least 1 symptom typical of COVID-19

    From baseline to Visit 3 (days 10-11)

Secondary Outcomes (10)

  • Confirmed COVID-19 and presence of at least 1 symptom typical of COVID-19

    From baseline to Visit 2 (days 3-4), 4 (days 21 ± 1), 5 (days 28 ± 1)

  • Сonfirmed COVID-19 and absence of symptoms typical for COVID-19

    From baseline to Visit 2 (days 3-4), 3 (days 10-11)

  • Сonfirmed COVID-19 and absence of symptoms typical for COVID-19

    From baseline to Visit 2 (days 3-4), 3 (days 10-11), 4 (days 21 ± 1), 5 (days 28 ± 1)

  • Time to COVID-19 infection

    From baseline to Visit 5 (study completion, day 28±1)

  • Symptoms typical of COVID-19

    From baseline to Visit 2 (days 3-4), 3 (days 10-11), 4 (days 21 ± 1), 5 (days 28 ± 1)

  • +5 more secondary outcomes

Study Arms (2)

Double-stranded RNA sodium salt

EXPERIMENTAL

Arm 1 (n=400) received the study drug RADAMIN®VIRO once intramuscularly, 5 mg (1 vial).

Drug: Double-Stranded RNA sodium salt

Placebo

PLACEBO COMPARATOR

Arm 2 (n = 400) received 1 vial of placebo once intramuscularly

Drug: Placebo

Interventions

Once intramuscular injection 5 mg (1 vial)

Also known as: RADAMIN®VIRO
Double-stranded RNA sodium salt

Once intramuscular injection (1 vial)

Placebo

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Male and female subjects aged 18 to 80 inclusive (subjects) as of the time of signing the Subject Information Sheet (SIS) Informed Consent Form.
  • A subject resides with a person with confirmed COVID-19 who meets both of the following criteria:
  • The first positive result for SARS-CoV-2 RNA laboratory test with nucleic acid amplification techniques (NAAT) or SARS-CoV-2 antigen with immunochromatographic assay, obtained up to 72 hours prior to randomisation of a subject participating in the study.
  • At least one of the symptoms typical of COVID-19 is observed, with symptoms onset no more than 5 days prior to the randomisation of the subject participating in the study.
  • Negative result for antigen of SARS-CoV-2 with immunochromatographic assay.
  • No symptoms typical of COVID-19 observed.
  • A subject is expected to continue to reside with a person with confirmed COVID-19 during the entire clinical study period; hospitalisation of a person with officially confirmed COVID-19 is not needed at the time of study subject's randomisation.
  • Subject's consent to use reliable contraception methods during the entire study and for 3 weeks after the end of the study. Reliable contraception methods are: sexual abstinence, the use of a condom combined with a spermicidal agent. Female subjects incapable of bearing children (history: hysterectomy, tubal ligation, infertility, menopause for more than 2 years), as well as male subjects with infertility or a history of vasectomy may participate in the study.
  • Availability of SIS Informed Consent Form signed and dated by a patient.
  • Availability of Informed Consent Form for collection of information on COVID-19 signed and dated by a person with confirmed COVID-19.

You may not qualify if:

  • Hypersensitivity to the study drug components, procaine.
  • Contraindications to intramuscular injections.
  • Contact with 2 or more persons with confirmed COVID-19 within a month prior to screening or residing with 2 or more people with officially confirmed COVID-19 at the time of screening.
  • Joint residence with more than 10 people.
  • Laboratory-confirmed case of COVID-19 within 6 months prior to randomisation.
  • Vaccination against COVID-19 within less than 4 weeks prior to screening.
  • Use or necessity to use unauthorised pharmaceuticals at the time of screening.
  • Use of immunostimulatory, immunomodulatory, or immunosuppressive medications within 3 months prior to screening.
  • Subjects undergoing renal replacement therapy or with a history of severe renal insufficiency (estimated glomerular filtration rate (GFR) \< 30 ml/min/1.73 m2, calculated using the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) formula, within 6 months prior to screening).
  • Primary biliary cirrhosis class C according to the Child - Pugh classification or a history of chronic or active hepatitis B or C.
  • Positive test result for HIV, syphilis, hepatitis B and/or C at the time of screening.
  • Chronic cardiac failure, Functional Class 3 III-IV according to the New York Heart Association (NYHA) Functional Classification.
  • A history of malignant tumours, except for subjects with disease being not observed within the last 5 years, subjects with completely cured basal cell skin cancer, or completely cured carcinoma in situ.
  • Alcohol, pharmacological and/or drug dependence (history and/or at the time of screening).
  • Schizophrenia, schizoaffective disorder, bipolar disorder, or other psychiatric disorder (history or suspected) at the time of screening.
  • +4 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (10)

Regional Budgetary Healthcare Institution Ivanovo Clinical Hospital

Ivanovo, Russia

Location

Federal State Budgetary Educational Institution of Higher Education Kirov State Medical University of Ministry of Health of the Russian Federation

Kirov, Russia

Location

State Budgetary Healthcare Institution of Moscow Municipal Clinical Hospital Named after S. I. Spasokukotsky of Moscow Healthcare Department

Moscow, Russia

Location

Professorskaya Klinika LLC

Perm, Russia

Location

Avrora MedFort LLC

Saint Petersburg, Russia

Location

Eco-Safety R&D Centre LLC

Saint Petersburg, Russia

Location

OrCli Hospital LLC

Saint Petersburg, Russia

Location

Federal State Budgetary Educational Institution of Higher Education N. P. Ogarev Mordovia State University

Saransk, Russia

Location

Federal State Budgetary Educational Institution of Higher Education Smolensk State Medical University of Ministry of Health of the Russian Federation Principal Investigator Kozlov Roman Sergeevich

Smolensk, Russia

Location

Regional State Budgetary Healthcare Institution Clinical Hospital No. 1

Smolensk, Russia

Location

MeSH Terms

Conditions

COVID-19

Condition Hierarchy (Ancestors)

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

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 9, 2023

First Posted

February 10, 2023

Study Start

June 9, 2022

Primary Completion

November 22, 2022

Study Completion

January 17, 2023

Last Updated

February 16, 2023

Record last verified: 2023-02

Data Sharing

IPD Sharing
Will not share

Locations