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ClinicalTrials.gov public records Last synced May 22, 2026, 5:36 AM EDT

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

Showing 1–24 of 33 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Helminthiasis Clear all
Recruiting Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced May 22, 2026, 5:36 AM EDT
Terminated No phase listed Observational
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 22, 2026, 5:36 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 5, 2025 · Synced May 22, 2026, 5:36 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
HIV Infection, Nematode Infection, Strongyloidiasis
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
8 Years to 80 Years
Enrollment
650 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1989
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 24, 2009 · Synced May 22, 2026, 5:36 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Loiasis
Interventions
Reslizumab, Diethylcarbamazine, Placebo
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 26, 2022 · Synced May 22, 2026, 5:36 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Neurocysticercosis, Healthy
Interventions
[C-11]PBR28
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 75 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 11, 2019 · Synced May 22, 2026, 5:36 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Cysticercosis, Neurocysticercosis
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
3 Years to 99 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1985
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced May 22, 2026, 5:36 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Schistosomiasis
Interventions
Sm-p80, Sm-p80 + GLA-SE
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 55 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 13, 2025 · Synced May 22, 2026, 5:36 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Healthy, Helminthiasis
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 11, 2019 · Synced May 22, 2026, 5:36 AM EDT
Terminated No phase listed Observational
View directory record Official record
Conditions
Neurocysticercosis
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
4
States / cities
San Francisco, California • Bethesda, Maryland • Dallas, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced May 22, 2026, 5:36 AM EDT
Terminated Phase 3 Interventional Results available
View directory record Official record
Conditions
Strongyloides Stercoralis Infection, Strongyloidiasis
Interventions
Ivermectin
Drug
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Nov 29, 2023 · Synced May 22, 2026, 5:36 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Mycobacterium Infections, Tuberculosis, Filariasis, Latent Tuberculosis
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
4,268 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 19, 2021 · Synced May 22, 2026, 5:36 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Mansonella Perstans Infection, Mp Microfilaremia
Interventions
Doxycycline
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
14 Years to 65 Years
Enrollment
1,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 22, 2026, 5:36 AM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Immune System Diseases, Eosinophilia, Helminthiasis, Hypersensitivity, Parasitic Disease
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
1 Year to 100 Years
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1997
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced May 22, 2026, 5:36 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available
View directory record Official record
Conditions
Lymphatic Filariasis
Interventions
Not listed
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 19, 2014 · Synced May 22, 2026, 5:36 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Whipworm, Trichuriasis, Controlled Human Infection
Interventions
Trichuris trichiura Egg Inoculum
Biological
Lead sponsor
George Washington University
Other
Eligibility
18 Years to 45 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 3, 2025 · Synced May 22, 2026, 5:36 AM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Malaria, Intestinal Worms, GI Protozoa, Echiniococcus, Strongyloides
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
3 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1998
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced May 22, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 22, 2012 · Synced May 22, 2026, 5:36 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Malaria, Lymphatic Filariasis
Interventions
Ivermectin, Albendazole
Drug
Lead sponsor
Colorado State University
Other
Eligibility
Not listed
Enrollment
2,712 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 3, 2019 · Synced May 22, 2026, 5:36 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 30, 2019 · Synced May 22, 2026, 5:36 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Fibrosis
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
786 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 5, 2020 · Synced May 22, 2026, 5:36 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 3, 2025 · Synced May 22, 2026, 5:36 AM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Neurocysticercosis, Healthy
Interventions
[F-18]FBR
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced May 22, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Rabies in Animals, Worms; Intestine
Interventions
integrated delivery of deworming and vaccination, Mass deworming only, Mass vaccination of dogs
Other
Lead sponsor
Washington State University
Other
Eligibility
Not listed
Enrollment
28,143 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Apr 30, 2023 · Synced May 22, 2026, 5:36 AM EDT