# Persistence of Protective Antibody Titers 12-24 Months After NmVac4-A/C/Y/W-135-DT Vaccination: Follow Up Study

> **NCT02500511** · — · COMPLETED · sponsor: **JN-International Medical Corporation** · enrollment: 50 (actual)

## Conditions studied

- Meningococcal Meningitis
- Meningococcal Infections

## Interventions

- **BIOLOGICAL:** NmVac4-A/C/Y/W-135-DT™

## Key facts

- **NCT ID:** NCT02500511
- **Lead sponsor:** JN-International Medical Corporation
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2015-06
- **Primary completion:** 2015-08
- **Final completion:** 2015-09
- **Target enrollment:** 50 (ACTUAL)
- **Last updated:** 2016-04-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02500511

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02500511, "Persistence of Protective Antibody Titers 12-24 Months After NmVac4-A/C/Y/W-135-DT Vaccination: Follow Up Study". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT02500511. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*