# Persistence and Long-Term Protection of Vi Antibodies Induced by Vi-DT Conjugate Vaccines in Indonesian

> **NCT04741828** · PHASE2,PHASE3 · COMPLETED · sponsor: **PT Bio Farma** · enrollment: 188 (actual)

## Conditions studied

- Vaccine

## Interventions

- **DRUG:** Vi-DT Typhoid Conjugate Vaccine

## Key facts

- **NCT ID:** NCT04741828
- **Lead sponsor:** PT Bio Farma
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2,PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-05-03
- **Primary completion:** 2024-10-28
- **Final completion:** 2024-12-30
- **Target enrollment:** 188 (ACTUAL)
- **Last updated:** 2025-06-03

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04741828

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04741828, "Persistence and Long-Term Protection of Vi Antibodies Induced by Vi-DT Conjugate Vaccines in Indonesian". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04741828. Licensed CC0.

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