# Efficacy Study of IM Administered CssBA+dmLT Against Moderate-severe Diarrhea in Human Infection Model With ETEC Strain B7A in Healthy Adults

> **NCT06692907** · PHASE2 · COMPLETED · sponsor: **National Institute of Allergy and Infectious Diseases (NIAID)** · enrollment: 72 (actual)

## Conditions studied

- Escherichia Infection

## Interventions

- **OTHER:** B7A (ETEC challenge strain)
- **BIOLOGICAL:** CssBA
- **BIOLOGICAL:** dmLT
- **OTHER:** Placebo

## Key facts

- **NCT ID:** NCT06692907
- **Lead sponsor:** National Institute of Allergy and Infectious Diseases (NIAID)
- **Sponsor class:** NIH
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2025-03-31
- **Primary completion:** 2026-04-01
- **Final completion:** 2026-04-01
- **Target enrollment:** 72 (ACTUAL)
- **Last updated:** 2026-04-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06692907

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06692907, "Efficacy Study of IM Administered CssBA+dmLT Against Moderate-severe Diarrhea in Human Infection Model With ETEC Strain B7A in Healthy Adults". Retrieved via AI Analytics 2026-06-30 from https://api.ai-analytics.org/clinical/NCT06692907. Licensed CC0.

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