Effect of COV2 Vaccine Formulation on the Ability to Generate Antibodies Against Coronavirus That Causes COVID-19

Trial statusRecruiting
Trial phasePhase 1
Trial typeInterventional
Biological sexAll
Age18-75
SponsorRokote Laboratories Finland Oy

About this trial

This is a Phase 1a, single-country, single-centre, single-blinded, COV2 vaccine formulation randomized trial designed to investigate and compare the safety and immunogenicity of two COV2 vaccine formulations. COV2 is a nasal, investigational vaccine against COVID-19, based on a serotype 5 adenoviral vector producing modified SARS-CoV-2 spike protein.

Participants will receive one of the two COV2 formulations in two doses on Day 0 and Day 28.

This trial consists of two parts; Part 1 is a vaccination phase assessing safety and immunogenicity and Part 2 is a long-term immunogenicity follow-up assessing persistence of immune response.

Eligibility criteria

This trial accepts healthy volunteers

Qualifiers

Has voluntarily signed the written informed consent

Male or female aged ≥18 to ≤75 years

Good general health based upon the results of the medical history, laboratory tests, physical examination, ENT clinical examination, and vital signs as assessed by the investigator

Prior vaccination with at least two doses of any COVID-19 vaccine with last dose obtained ≥180 days before the planned baseline (Day 0) visit

Disqualifiers

Pregnant, planning to become pregnant, or breastfeeding women

Received any investigational drug < 180 days prior baseline

Antigen positivity or PCR confirmed SARS-CoV-2 infection less than 180 days apart from screening or during screening and/or baseline

Any SARS-CoV vaccination was administrated < 180 days prior the planned baseline (Day 0) visit

Trial design

Design model

Parallel

Treatments tested in this trial

  • COVID-19 Vaccines

    Biological/Vaccine

    COV2 vaccine given in formulation A in 2 doses as a nasal spray, 28 days between each dose.

  • COVID-19 Vaccines

    Biological/Vaccine

    COV2 vaccine given in formulation B in 2 doses as a nasal spray, 28 days between each dose.

Treatment groups

20 Participants
are divided into 2 treatment groups
Group A: COV2 vaccine in Formulation AExperimental treatment 1 intervention
Group B: COV2 vaccine in formulation BExperimental treatment 1 intervention

Trial outcomes

Primary outcomes

1

Primary safety endpoints

Incidence of Treatment-emergent expected and unexpected adverse events

Time frame
From Day 0 to day 56
2

Primary immunogenicity endpoint

The percentage of participants achieving ≥2-fold rise (seroresponse) in SARS-CoV-2 serum neutralizing antibody (NAb) titers against Omicron BA.5 variant

Time frame
Day 56 from baseline

Secondary outcomes

Other outcomes

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

Rokote Laboratories Finland Oy

Lead sponsor

Oy Medfiles Ltd

Collaborator

Estimates OY

Collaborator