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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Recruiting Phase 1 Interventional Accepts healthy volunteers

Induced Blood-Stage Malaria in Healthy Malaria-Naive Adults to Assess the Safety and Infectivity of Plasmodium Vivax Challenge Agent and Evaluate Transmission in Mosquito Feeding Assays

NCT06607003
View directory record Official record
Conditions
Malaria
Interventions
P. vivax challenge agent derived from PvHMB-CCE001
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 54 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 2, 2026 · Synced Sep 11, 2026, 7:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Abbott ESA Chagas Assay Post-Market Study

NCT01662362
View directory record Official record
Conditions
Chagas Disease
Interventions
Testing Donor Specimens with ESA Chagas
Device
Lead sponsor
Abbott Diagnostics Division
Industry
Eligibility
17 Years and older
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
2
States / cities
Rosemont, Illinois • Gaithersburg, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 19, 2014 · Synced Sep 11, 2026, 7:18 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

A Study to Assess the Immunogenicity, Tolerability and Safety of a Malaria Vaccine and Also Its Protective Efficacy in a Malaria Challenge Model

NCT01397227
View directory record Official record
Conditions
Malaria
Interventions
Ad35.CS.01/Ad26.CS.01 low dose (1 x 10^10 vp), Ad 35.CS.01/Ad 26.CS.01 high dose (5 x 10^10 vp), Placebo
Biological
Lead sponsor
Crucell Holland BV
Industry
Eligibility
18 Years to 50 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 6, 2012 · Synced Sep 11, 2026, 7:18 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 Sep 11, 2026, 7:18 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Trial to Evaluate CIS43LS in Healthy Adults

NCT04206332
View directory record Official record
Conditions
Malaria
Interventions
VRC-MALMAB0100-00-AB, Plasmodium falciparum (P. falciparum) sporozoite challenge
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
2
States / cities
Baltimore, Maryland • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 17, 2023 · Synced Sep 11, 2026, 7:18 PM EDT
Completed Phase 1Phase 2 Interventional

Cognitive Behavioral Therapy for Trichotillomania

NCT00740909
View directory record Official record
Conditions
Trichotillomania
Interventions
Cognitive Behavioral Therapy
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 19, 2012 · Synced Sep 11, 2026, 7:18 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

A Phase 1 Trial of PfSPZ Vaccine in Healthy Adults to Determine Safety, Tolerability and Efficacy Against Heterologous CHMI

NCT05604521
View directory record Official record
Conditions
Malaria, Malaria,Falciparum
Interventions
PfSPZ Vaccine, PfSPZ Challenge (7G8), Normal Saline
Biological · Other
Lead sponsor
Sanaria Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 24, 2024 · Synced Sep 11, 2026, 7:18 PM EDT
Recruiting Phase 3 Interventional

Parasitic Ulcer Treatment Trial

NCT06213649
View directory record Official record
Conditions
Acanthamoeba Keratitis
Interventions
Polyhexamethylene biguanide (PHMB), Topical corticosteroid, Topical placebo
Drug · Other
Lead sponsor
Jeremy Keenan, MD, MPH
Other
Eligibility
8 Years and older
Enrollment
232 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
13
States / cities
San Francisco, California • Aurora, Colorado • Gainesville, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Sep 11, 2026, 7:18 PM EDT
Completed Phase 2 Interventional

A Study of Nitazoxanide in Patients With AIDS and Diarrhea Caused by Cryptosporidium

NCT00001081
View directory record Official record
Conditions
Cryptosporidiosis, HIV Infections
Interventions
Nitazoxanide
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1998
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Sep 11, 2026, 7:18 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Tafenoquine Thorough QTc Study in Healthy Subjects

NCT01928914
View directory record Official record
Conditions
Malaria, Vivax
Interventions
Tafenoquine 300mg, Tafenoquine 600mg, Tafenoquine 1200mg, moxifloxacin, Placebo for Tafenoquine, Placebo for moxifloxaxin
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
2
States / cities
Culver City, California • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 11, 2017 · Synced Sep 11, 2026, 7:18 PM EDT
Completed No phase listed Observational

Surveillance of Effectiveness/Safety of Artemether-lumefantrine in Patients With Malaria

NCT01228344
View directory record Official record
Conditions
Malaria
Interventions
Artemether-lumefantrine
Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
Not listed
Enrollment
324 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 6, 2017 · Synced Sep 11, 2026, 7:18 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

rCSP/AP10-602 [GLA-LSQ] Vaccine Trial

NCT03589794
View directory record Official record
Conditions
Plasmodium Falciparum Infection
Interventions
AP10-602, Malaria challenge, rCSP
Other · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 9, 2023 · Synced Sep 11, 2026, 7:18 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Longitudinal Analysis of Plasmodium Falciparum-Specific Immunity in Travelers and Immigrants From Malaria Endemic Areas to the United States

NCT02153996
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 65 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Sep 11, 2026, 7:18 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Sanaria PfSPZ Challenge With Pyrimethamine Chemoprophylaxis (PfSPZ-CVac Approach): Phase 1 Trial to Determine Safety and Protective Efficacy of Sanaria PfSPZ Challenge With Concurrent Pyrimethamine Treatment That Inhibits Development of Asexual B...

NCT02511054
View directory record Official record
Conditions
Malaria
Interventions
Chloroquine (CQ), Pyrimethamine (PYR), Sanaria PfSPZ Challenge (NF54)
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 11, 2026, 7:18 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Phase I Study of AMA1-C1/Alhydrogel® (Registered Trademark) + CPG 7909 Malaria Vaccine

NCT00427167
View directory record Official record
Conditions
Malaria
Interventions
AMA1-C1/Alhydrogel + CPG 7909 (Saline), AMA1-C1/Alhydrogel + CPG 7909 (Phosphate), AMA1-C1/Alhydrogel + CPG 7909
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 11, 2026, 7:18 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Single Arm Trial of Menstrual Cups Among Economically Vulnerable Women to Reduce Bacterial Vaginosis and STIs

NCT05666778
View directory record Official record
Conditions
Bacterial Vaginosis, Vaginal Microbiome, Chlamydia Trachomatis Infection, Neisseria Gonorrheae Infection, Trichomonas Vaginitis
Interventions
Menstrual Cup
Device
Lead sponsor
Rush University Medical Center
Other
Eligibility
15 Years to 35 Years · Female only
Enrollment
408 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 11, 2026, 7:18 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Short-course Benznidazole Treatment to Reduce Trypanosoma Cruzi Parasitic Load in Women of Reproductive Age

NCT03672487
View directory record Official record
Conditions
Chagas Disease
Interventions
Benznidazole, Placebo Oral Tablet
Drug
Lead sponsor
Tulane University School of Public Health and Tropical Medicine
Other
Eligibility
13 Years and older · Female only
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
2
States / cities
San Diego, California • New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Sep 11, 2026, 7:18 PM EDT
Completed Phase 2 Interventional Results available

Sodium Stibogluconate Treatment of Leishmaniasis

NCT00662012
View directory record Official record
Conditions
Leishmaniasis
Interventions
Sodium Stibogluconate (SSG)
Drug
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
Not listed
Enrollment
414 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 11, 2021 · Synced Sep 11, 2026, 7:18 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 Sep 11, 2026, 7:18 PM EDT
Completed Phase 1 Interventional

A Study of Pyrimethamine in the Treatment of Infection by a Certain Parasite in HIV-Positive Patients

NCT00000973
View directory record Official record
Conditions
Toxoplasmosis, Cerebral, HIV Infections
Interventions
Pyrimethamine, Leucovorin calcium, Zidovudine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1995
U.S. locations
2
States / cities
New York, New York • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Sep 11, 2026, 7:18 PM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

A Study of Oral E1018 in Healthy Adult Participants

NCT06854042
View directory record Official record
Conditions
Malaria, Healthy Participants
Interventions
E1018, Placebo
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Sep 11, 2026, 7:18 PM EDT
Completed No phase listed Observational

Trichomoniasis: Genotype and Phenotype Correlations in African American Women

NCT00998530
View directory record Official record
Conditions
Trichomonas Infections
Interventions
Not listed
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
231 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
4
States / cities
Flowood, Mississippi • Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated May 22, 2019 · Synced Sep 11, 2026, 7:18 PM EDT
Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Phase 1/2a Trial of Pf GAP p52-/p36- Sporozoite Malaria Vaccine

NCT01024686
View directory record Official record
Conditions
Malaria
Interventions
p52-/p36- GAP Vaccine
Biological
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
18 Years to 50 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 27, 2019 · Synced Sep 11, 2026, 7:18 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Tafenoquine/Chloroquine DDI Study

NCT00871156
View directory record Official record
Conditions
Malaria
Interventions
Chloroquine, Tafenoquine, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jun 18, 2017 · Synced Sep 11, 2026, 7:18 PM EDT