# A Study Assessing Colonisation & Immunogenicity After Nasal Inoculation With N. Lactamica and Eradication on Day 4 or 14

> **NCT03549325** · NA · TERMINATED · sponsor: **University Hospital Southampton NHS Foundation Trust** · enrollment: 21 (actual)

## Conditions studied

- Meningitis, Meningococcal

## Interventions

- **BIOLOGICAL:** Neisseria lactamica

## Key facts

- **NCT ID:** NCT03549325
- **Lead sponsor:** University Hospital Southampton NHS Foundation Trust
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2017-03-13
- **Primary completion:** 2021-12-02
- **Final completion:** 2021-12-02
- **Target enrollment:** 21 (ACTUAL)
- **Why stopped:** Recruitment was paused in March 2020 due to the COVID pandemic. An interim data analysis was conducted in 2021 which confirmed that sufficient data had been collected to meet the primary objective, therefore the study was terminated.
- **Last updated:** 2026-02-12

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03549325

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03549325, "A Study Assessing Colonisation & Immunogenicity After Nasal Inoculation With N. Lactamica and Eradication on Day 4 or 14". Retrieved via AI Analytics 2026-06-26 from https://api.ai-analytics.org/clinical/NCT03549325. Licensed CC0.

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