Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Jun 25, 2026, 1:57 PM EDT

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

Showing 1–8 of 8 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Hookworm Infection
Interventions
Na-ASP-2/Alhydrogel Hookworm Vaccine, Saline placebo
Biological
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 45 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Hookworm Infection, Hookworm Disease
Interventions
10 μg Na-GST-1/Alhydrogel, 30 μg Na-GST-1/Alhydrogel, 100 μg Na-GST-1/Alhydrogel, 10 μg Na-GST-1/Alhydrogel/GLA-AF (1 μg), 30 μg Na-GST-1/Alhydrogel/GLA-AF (1 μg), 30 μg Na-GST-1/Alhydrogel/GLA-AF (5 μg), 100 μg Na-GST-1/Alhydrogel/GLA-AF (5 μg)
Biological
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 45 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity Study of Na-GST-1 With or Without CpG

NCT02143518
Conditions
Hookworm Infection, Hookworm Disease
Interventions
Na-GST-1/Alhydrogel®, CpG 10104
Biological
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Amebiasis, Cryptosporidiosis, Giardiasis, Parasitic Disease, Parasitic Intestinal Disease, Gastrointestinal Helminth Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
3 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1977 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Hookworm Infection
Interventions
Necator americanus Hookworm Larvae
Biological
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 45 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Hookworm Infection, Hookworm Disease
Interventions
Na-APR-1 (M74)/Alhydrogel®, Gluco-Pyranosylphospho-Lipid A Aqueous Formulation
Biological
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Completed Not applicable Interventional Accepts healthy volunteers Results available

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

NCT00603889
Conditions
Hookworm Infection, Allergy
Interventions
Na-ASP-2 Skin Test Reagent
Biological
Lead sponsor
Albert B. Sabin Vaccine Institute
Other
Eligibility
18 Years to 45 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Efficacy of Na-GST-1/Alhydrogel Hookworm Vaccine Assessed by Controlled Challenge Infection

NCT03172975
Conditions
Hookworm Infections
Interventions
Na-GST-1/Alhydrogel, Na-GST-1/Alhydrogel + CPG 10104, Na-GST-1/Alhydrogel + GLA-AF, Placebo, Albendazole, Necator americanus Larval Inoculum
Biological · Drug · Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 45 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Washington D.C., District of Columbia