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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Protozoan Infections Clear all
Completed Not applicable Interventional Results available

Point of Care Diagnosis of Vaginal Infections

NCT06438575
View directory record Official record
Conditions
Vaginitis, Bacterial Vaginosis, Yeast Vaginitis, Trichomonas Vaginitis
Interventions
Xpert® Xpress MVP test, Usual Care
Diagnostic Test
Lead sponsor
Sharon L Hillier
Other
Eligibility
14 Years and older · Female only
Enrollment
351 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Jul 22, 2026, 8:08 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Study Testing the Efficacy, Safety, and Tolerability of EDI048 in Cryptosporidium Infection Model in Healthy Adults

NCT07249463
View directory record Official record
Conditions
Cryptosporidiosis
Interventions
Cryptosporidium parvum oocysts (ABO809), EDI048, Placebo
Biological · Drug · Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 50 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
2
States / cities
Baltimore, Maryland • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Jul 22, 2026, 8:08 PM EDT
Withdrawn No phase listed Observational

Treatment of Leishmaniasis With Impavido® (Miltefosine): Higher-Weight Patient Registry

NCT02429505
View directory record Official record
Conditions
Leishmaniasis
Interventions
Miltefosine
Drug
Lead sponsor
Knight Therapeutics (USA) Inc
Industry
Eligibility
12 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Poolesville, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 27, 2020 · Synced Jul 22, 2026, 8:08 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Efficacy, Immunogenicity and Safety in a Sporozoite Challenge Model of a Fractional Booster Dose of GSK Biologicals' Candidate Malaria Vaccine Administered to Previously Vaccinated Healthy Malaria-naïve Adults

NCT03824236
View directory record Official record
Conditions
Malaria
Interventions
RTS,S/AS01E (SB257049)
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 13, 2020 · Synced Jul 22, 2026, 8:08 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

To Assess the Safety, Immunogenicity and Efficacy of VLPM01 in Healthy, Malaria-Naïve Volunteers

NCT03867331
View directory record Official record
Conditions
Malaria,Falciparum
Interventions
5 microgram VLPM01, 15 microgram VLPM01, 30 microgram VLPM01, Plasmodium falciparum challenge
Biological · Other
Lead sponsor
VLP Therapeutics
Industry
Eligibility
18 Years to 49 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 7, 2021 · Synced Jul 22, 2026, 8:08 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Safety and Pharmacokinetics Study of DM1157 to Treat Malaria

NCT03490162
View directory record Official record
Conditions
Malaria
Interventions
DM1157, Placebo
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 22, 2021 · Synced Jul 22, 2026, 8:08 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Clinical Study of a Single-Use, Point-of-Care Molecular Diagnostic Device for the Detection of Neisseria Gonorrhoeae (NG), Trichomonas Vaginalis (TV), and Chlamydia Trachomatis (CT) Utilizing Vaginal Swabs

NCT03596151
View directory record Official record
Conditions
Chlamydial Infection, Gonorrhoea, Trichomoniasis
Interventions
Click Device
Device
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
14 Years to 99 Years · Female only
Enrollment
295 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
8
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2021 · Synced Jul 22, 2026, 8:08 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Safety and Preliminary Efficacy of the Malaria Vaccine Candidates Falciparum Merozoite Protein-1 (FMP1) and SmithKlineBeecham (SKBB) Candidate Malaria Vaccine RTS,S

NCT01556945
View directory record Official record
Conditions
Malaria, Falciparum
Interventions
FMP1/AS02, RTS,S/AS02, AS02 adjuvant alone, Malaria challenge
Biological · Other
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 45 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2001
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated May 1, 2014 · Synced Jul 22, 2026, 8:08 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Mortality Reduction After Oral Azithromycin: Morbidity Study

NCT02048007
View directory record Official record
Conditions
Childhood Mortality
Interventions
Azithromycin, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
1 Month and older
Enrollment
72,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
2
States / cities
San Francisco, California • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 16, 2021 · Synced Jul 22, 2026, 8:08 PM EDT
Completed No phase listed Observational

Sexually Transmitted Infections Among African American Women Who Have Sex With Women

NCT01043081
View directory record Official record
Conditions
Sexually Transmitted Infections, HIV Infections
Interventions
Not listed
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated May 10, 2016 · Synced Jul 22, 2026, 8:08 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Adenovirus Vaccine for Malaria

NCT00371189
View directory record Official record
Conditions
Plasmodium Falciparum Infection
Interventions
Placebo, Ad35.CS.01 Circumsporozoite Malaria Vaccine
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2014
U.S. locations
2
States / cities
Stanford, California • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 21, 2014 · Synced Jul 22, 2026, 8:08 PM EDT
Completed Phase 1 Interventional

Experimental Vaccine for Malaria

NCT00114010
View directory record Official record
Conditions
Malaria
Interventions
AMA1/Alhydrogel
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 22, 2026, 8:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Female Urine, Vaginal & Endocervical Swab & Cervical Specimen Collections for APTIMA Trichomonas Vaginalis Assay Testing

NCT01427023
View directory record Official record
Conditions
Trichomonas Vaginalis
Interventions
APTIMA Trichomonas vaginalis (ATV) Assay
Device
Lead sponsor
Gen-Probe, Incorporated
Industry
Eligibility
14 Years and older · Female only
Enrollment
532 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
7
States / cities
Birmingham, Alabama • Indianapolis, Indiana • New Orleans, Louisiana + 4 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2014 · Synced Jul 22, 2026, 8:08 PM EDT
Completed Phase 1 Interventional

Experimental PfSPZ Vaccine in Adults Without Malaria

NCT01441167
View directory record Official record
Conditions
Malaria, Prevention and Control, Acquired Immunity
Interventions
PfSPZ
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced Jul 22, 2026, 8:08 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Refining Treatment Options for Trichomonas Vaginalis Infection: A Comparative Analysis of Metronidazole and Secnidazole

NCT06261840
View directory record Official record
Conditions
Trichomonas Vaginitis, Bacterial Vaginitis
Interventions
Metronidazole 500 mg, Secnidazole 2000 MG
Drug
Lead sponsor
Tulane University
Other
Eligibility
18 Years and older
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
4
States / cities
Birmingham, Alabama • North Miami, Florida • New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Jul 22, 2026, 8:08 PM EDT
Completed Phase 2 Interventional

A Double-Blind, Placebo-Controlled Trial of Paromomycin for Treatment of Cryptosporidiosis in Patients With Advanced HIV Disease and CD4 Counts Under 150 Cells/mm3

NCT00000771
View directory record Official record
Conditions
Cryptosporidiosis, HIV Infections
Interventions
Paromomycin sulfate
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1996
U.S. locations
14
States / cities
Los Angeles, California • Miami, Florida • Chicago, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Jul 22, 2026, 8:08 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

A Phase I Clinical Trial Immunizing Healthy Adults With the NMRC-M3V-Ad-PfCA Vaccine to Generate Biologic Reagents

NCT01843491
View directory record Official record
Conditions
Healthy, Malaria
Interventions
Ad-PfCA
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 29, 2015 · Synced Jul 22, 2026, 8:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Community Dynamics of Malaria Transmission in Humans and Mosquitoes at Maferinyah Sub-Prefecture, Guinea

NCT04969913
View directory record Official record
Conditions
Malaria
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Months and older
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 23, 2024 · Synced Jul 22, 2026, 8:08 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study to Investigate the Safety, Tolerability and Pharmacokinetics of OZ439 in Healthy Male and Female Subjects

NCT00928083
View directory record Official record
Conditions
Malaria Falciparum, Malaria Vivax, Healthy Volunteers
Interventions
OZ439 50mg API capsules, OZ439 200mg API capsules, OZ439 400mg aqueous dispersion, OZ439 800mg aqueous dispersion, OZ439 100mg API capsules, OZ439 400mg API capsules, OZ439 1600mg aqueous dispersion, OZ439 800mg API capsules, OZ439 1200mg API capsules, Placebo, OZ439 200mg aqueous dispersion
Drug
Lead sponsor
Medicines for Malaria Venture
Other
Eligibility
18 Years to 55 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Miramar, Florida
Source: ClinicalTrials.gov public record
Updated Jan 7, 2015 · Synced Jul 22, 2026, 8:08 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Primaquine Enantiomers in G6PD Deficient Human Volunteers

NCT04073953
View directory record Official record
Conditions
G6PD Deficiency
Interventions
RPQ, SPQ, Placebo
Drug
Lead sponsor
University of Mississippi, Oxford
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
University, Mississippi
Source: ClinicalTrials.gov public record
Updated Nov 20, 2024 · Synced Jul 22, 2026, 8:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Partnership and Dignity: a Mixed-methods Survey on Supporting and Retaining Uganda's Village Health Teams

NCT02374580
View directory record Official record
Conditions
Malaria, Diarrhea, Pneumonia
Interventions
Not listed
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older
Enrollment
143 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 15, 2016 · Synced Jul 22, 2026, 8:08 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Screening of Healthy Volunteers for Investigational Antimalarial Drugs, Malaria Vaccines, and Controlled Human Malaria Challenge

NCT02639299
View directory record Official record
Conditions
Malaria
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
1,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Jul 22, 2026, 8:08 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Safety, Efficacy and Immune Responses After Vaccination With an Investigational RNA-based Vaccine Against Malaria

NCT06069544
View directory record Official record
Conditions
Malaria
Interventions
BNT165e, Placebo
Biological · Other
Lead sponsor
BioNTech SE
Industry
Eligibility
18 Years to 55 Years
Enrollment
163 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
5
States / cities
Tempe, Arizona • Baltimore, Maryland • Las Vegas, Nevada + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Jul 22, 2026, 8:08 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic Interactions Between Antiretroviral Agents and Antimalarial Drug Combinations

NCT00697892
View directory record Official record
Conditions
HIV Infections, Malaria
Interventions
lopinavir/ritonavir, efavirenz, artemether/lumefantrine
Drug
Lead sponsor
Fran Aweeka
Other
Eligibility
21 Years to 60 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 5, 2013 · Synced Jul 22, 2026, 8:08 PM EDT