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NCT06026514

Phase I Safety Study of B/HPIV3/S-6P Vaccine Via Nasal Spray in Adults

Completed Phase 1 Last updated 20 January 2026
What this trial tests

Phase 1 trial testing B/HPIV3/S-6P in SARS-CoV-2 Infection in 27 participants. Completed in 30 June 2025.

Timeline
18 September 2023
Primary endpoint
16 January 2025
30 June 2025

Quick facts

Lead sponsorNational Institute of Allergy and Infectious Diseases (NIAID)
PhasePhase 1
StatusCompleted
Study typeINTERVENTIONAL
Allocationna
Designsequential
Maskingnone
Primary purposeprevention
Enrollment27
Start date18 September 2023
Primary completion16 January 2025
Estimated completion30 June 2025
Sites1 location across United States

Drugs / interventions tested

Conditions studied

Sponsor

National Institute of Allergy and Infectious Diseases (NIAID)

Who can join

Adults 18 to 50, any sex, with SARS-CoV-2 Infection. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

This Phase 1 clinical trial will evaluate the safety and immunogenicity of an intranasal vaccine candidate, a recombinant, live-attenuated, bovine/human parainfluenza virus vector vaccine expressing the 6-P prefusion-stabilized version of the SARS-CoV-2 spike protein.

Publications & conference data

3 peer-reviewed publications reference this trial (live from Europe PMC):

  1. In search of a pan-coronavirus vaccine: next-generation vaccine design and immune mechanisms.
    Cankat S, Demael MU, Demael MU, Swadling L. · · 2024 · cited 53× · PMID 38148330 · DOI 10.1038/s41423-023-01116-8
  2. Vaccines for Respiratory Viruses-COVID and Beyond.
    Rajanala K, Upadhyay AK. · · 2024 · cited 5× · PMID 39204059 · DOI 10.3390/vaccines12080936
  3. Combating respiratory diseases with mucosal vaccines.
    Tang PCH, Ling Z, Lee M, King NJC, et al · · 2026 · PMID 41983630 · DOI 10.1128/jvi.00146-26

Verify or expand the search:

Other recruiting trials for SARS-CoV-2 Infection

Currently open trials in the same condition.

Other National Institute of Allergy and Infectious Diseases (NIAID) trials

Trials by the same sponsor.

Verify against primary sources

Data sources for this page

Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT06026514.

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing