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Completed Not applicable Interventional Accepts healthy volunteers Results available

Development of a Skin Test for the Na-ASP-2 Hookworm Antigen

ClinicalTrials.gov ID: NCT00603889

Public ClinicalTrials.gov record NCT00603889. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 20, 2026, 8:50 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Development of a Skin Test to Detect Immediate-type Hypersensitivity to the Experimental Na-ASP-2 Hookworm Antigen

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Na-ASP-2 is a protein expressed during the larval stage of the N. americanus hookworm life cycle. In a clinical study in previously hookworm-infected adults in Brazil, this protein induced urticarial reactions (rash) in a subset of volunteers. This study will evaluate solutions of varying concentrations of the protein in both a skin prick-puncture and intradermal test that will eventually be used to screen volunteers living in hookworm endemic areas who are being considered as potential participants in vaccine trials, to reduce the potential of inducing allergic reactions in those vaccinated with the Na-ASP-2 Hookworm Vaccine.

Study identification

NCT ID
NCT00603889
Recruitment status
Completed
Study type
Interventional
Phase
Not applicable
Enrollment
12 participants

Conditions and interventions

Interventions

Biological

Eligibility (public fields only)

Age range
18 Years to 45 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Mar 2008 (Type not available)
Primary completion
May 2008 (Actual)
Completion
May 2008 (Actual)
Last update posted
Feb 23, 2012

2008

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
GWUMC Clinical Trials Unit Washington D.C. District of Columbia 20037 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00603889, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Feb 23, 2012 · Synced Oct 20, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00603889 live on ClinicalTrials.gov.

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