# CVD 37000: Immunity and Microbiome Studies at Intestinal and Systemic Sites in Ty21a Vaccinated Adults

> **NCT03970304** · PHASE4 · ACTIVE_NOT_RECRUITING · sponsor: **University of Maryland, Baltimore** · enrollment: 87 (actual)

## Conditions studied

- Typhoid Vaccination

## Interventions

- **DRUG:** Vivotif Typhoid Oral Vaccine

## Key facts

- **NCT ID:** NCT03970304
- **Lead sponsor:** University of Maryland, Baltimore
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2013-10-24
- **Primary completion:** 2027-08-01
- **Final completion:** 2027-08-01
- **Target enrollment:** 87 (ACTUAL)
- **Last updated:** 2026-01-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03970304

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03970304, "CVD 37000: Immunity and Microbiome Studies at Intestinal and Systemic Sites in Ty21a Vaccinated Adults". Retrieved via AI Analytics 2026-07-27 from https://api.ai-analytics.org/clinical/NCT03970304. Licensed CC0.

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