Nasal vaccine for COVID-19

An Open Short-term Clinical Pilot Trial on Safety and Immunogenicity of Nasal COVID-19 Vaccine at Different Dose Levels and Administration Methods

Phase 1 Interventional Rokote Laboratories Finland Oy · NCT06851611

This study tests a new nasal vaccine for COVID-19 to see how safe it is and how well it works in people who have or haven't been vaccinated before.

Quick facts

PhasePhase 1
Study typeInterventional
Enrollment50 (estimated)
Ages18 Years to 75 Years
SexAll
SponsorRokote Laboratories Finland Oy Industry-sponsored
Locations1 site (Kuopio, Northern Savonia)
Trial IDNCT06851611 on ClinicalTrials.gov

What this trial studies

This clinical trial evaluates the safety and immune response of a nasal vaccine, COV2, designed to protect against COVID-19. It compares two different dose levels of the vaccine and two administration methods: nasal drops and nasal spray. The study includes participants who have either received prior COVID-19 vaccinations or are vaccine naive, aiming to assess the vaccine's effectiveness in both groups.

Who should consider this trial

Good fit: Ideal candidates are healthy adults aged 18-75 who have either received at least two doses of any COVID-19 vaccine or have not been vaccinated against COVID-19.

Not a fit: Patients who are pregnant, breastfeeding, or have had a COVID-19 infection in the last nine months may not benefit from this study.

Why it matters

Potential benefit: If successful, this vaccine could provide a new, effective method for preventing COVID-19 through a non-invasive nasal administration.

How similar studies have performed: Other studies on nasal vaccines for COVID-19 have shown promise, but this specific approach is still being evaluated for its safety and efficacy.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria

1. Has voluntarily signed the written informed consent
2. 18-75 years old
3. Good general health
4. a) Prior vaccination with at least two doses of any COVID-19 vaccine, OR b) No prior COVID-19 vaccination

Exclusion Criteria

1. Pregnant, planning to become pregnant or breastfeeding women
2. COVID-19 infection within the last nine (9) months
3. Any other vaccination within the last two (2) months

Where this trial is running

Kuopio, Northern Savonia

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions COVID19, Sars-Cov-2nasal vaccineadeno-vectored vaccinemucosal vaccineSars-CoV-2COVID19
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.