# Phase 1 Trial of Na-ASP-2 Hookworm Vaccine in Previously Infected Brazilian Adults

> **NCT00473967** · PHASE1 · TERMINATED · sponsor: **Albert B. Sabin Vaccine Institute** · enrollment: 9 (actual)

## Conditions studied

- Hookworm Infection

## Interventions

- **BIOLOGICAL:** Na-ASP-2 Hookworm Vaccine

## Key facts

- **NCT ID:** NCT00473967
- **Lead sponsor:** Albert B. Sabin Vaccine Institute
- **Sponsor class:** OTHER
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2007-05
- **Primary completion:** 2008-03
- **Final completion:** 2009-03
- **Target enrollment:** 9 (ACTUAL)
- **Why stopped:** Occurrence of unacceptable adverse events.
- **Last updated:** 2012-07-09

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00473967

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00473967, "Phase 1 Trial of Na-ASP-2 Hookworm Vaccine in Previously Infected Brazilian Adults". Retrieved via AI Analytics 2026-06-12 from https://api.ai-analytics.org/clinical/NCT00473967. Licensed CC0.

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