Clinical Trials Finder
Independent ClinicalTrials.gov directory
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced May 22, 2026, 4:46 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 42 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Treponema Pallidum Clear all
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Sexually Transmitted Infections
Interventions
STI/HIV Intervention Behavioral Intervention Program
Behavioral
Lead sponsor
Madigan Army Medical Center
Federal
Eligibility
18 Years to 30 Years
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
2
States / cities
Fayetteville, North Carolina • Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced May 22, 2026, 4:46 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Syphilis
Interventions
'educational video'
Other
Lead sponsor
Jacobi Medical Center
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Nov 1, 2007 · Synced May 22, 2026, 4:46 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Syphilis, HIV Infections
Interventions
Chembio HIV/Syphilis rapid POC test
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
14 Years to 65 Years · Female only
Enrollment
149 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced May 22, 2026, 4:46 AM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Syphilis
Interventions
Doxycycline 200mg daily for 14 days
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 24, 2025 · Synced May 22, 2026, 4:46 AM EDT
Completed No phase listed Observational
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 May 22, 2026, 4:46 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Syphilis
Interventions
Lumbar puncture
Procedure
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
231 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 24, 2021 · Synced May 22, 2026, 4:46 AM EDT
Active, not recruiting Phase 2 Interventional
View directory record Official record
Conditions
Syphilis
Interventions
Group B, Linezolid 10d, Group A, Penicillin
Drug
Lead sponsor
University of Southern California
Other
Eligibility
16 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
5
States / cities
Chicago, Illinois • Jackson, Mississippi • Greensboro, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced May 22, 2026, 4:46 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Congenital Syphilis
Interventions
Congenital Syphilis Intervention Group
Behavioral
Lead sponsor
Tulane University School of Public Health and Tropical Medicine
Other
Eligibility
13 Years and older · Female only
Enrollment
60,386 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 25, 2018 · Synced May 22, 2026, 4:46 AM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Syphilis Infection, Benzathine Penicillin Adverse Reaction
Interventions
normal Saline, Lidocaine
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 24, 2025 · Synced May 22, 2026, 4:46 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
HIV Infections, Herpes Genitalis, HIV Seronegativity, Syphilis
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older · Male only
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 7, 2008 · Synced May 22, 2026, 4:46 AM EDT
Withdrawn Not applicable Interventional
View directory record Official record
Conditions
Maternal Syphilis During Pregnancy - Baby Not Yet Delivered, Congenital Syphilis
Interventions
Syphilis Health Check POC-test (Diagnostics Direct LLC, NJ)
Diagnostic Test
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
2
States / cities
San Jose, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 12, 2019 · Synced May 22, 2026, 4:46 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Syphilis
Interventions
educational video
Other
Lead sponsor
Jacobi Medical Center
Other
Eligibility
Male only
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
2
States / cities
Manhattan, New York
Source: ClinicalTrials.gov public record
Updated Nov 4, 2007 · Synced May 22, 2026, 4:46 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Chlamydia, Gonorrhea, Hiv, Syphilis
Interventions
Chlamydia, gonorrhea, syphilis, and HIV screening
Other
Lead sponsor
Tulane University
Other
Eligibility
15 Years to 26 Years
Enrollment
2,322 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced May 22, 2026, 4:46 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Syphilis, Gonorrhea, Chlamydia Infections, HIV Infections
Interventions
HoMBReS: A lay health advisor approach to STD prevention
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older · Male only
Enrollment
354 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 10, 2012 · Synced May 22, 2026, 4:46 AM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Pregnancy
Interventions
Ceftriaxon, Benzathine penicillin G
Drug
Lead sponsor
International Maternal Pediatric Adolescent AIDS Clinical Trials Group
Network
Eligibility
Female only
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
8
States / cities
Los Angeles, California • Chicago, Illinois • Stony Brook, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced May 22, 2026, 4:46 AM EDT
Recruiting Phase 3 Interventional
View directory record Official record
Conditions
Syphilis, Human Immunodeficiency Virus
Interventions
Cefixime 400mg, benzathine penicillin
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced May 22, 2026, 4:46 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Acute Bacterial Infections, Acute Viral Infections
Interventions
Not listed
Lead sponsor
The Plasma Source
Industry
Eligibility
18 Years to 70 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Southampton, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 19, 2012 · Synced May 22, 2026, 4:46 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Syphilis
Interventions
Rapid Point of Care (POC) Syphilis testing
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced May 22, 2026, 4:46 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Syphilis
Interventions
Abbott Laboratories Determine test for syphilis, Investigational syphilis immunochromatographic strip test
Device
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2009
U.S. locations
5
States / cities
Los Angeles, California • Atlanta, Georgia • Chicago, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 6, 2012 · Synced May 22, 2026, 4:46 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Gonorrhea, Chlamydia, Syphilis
Interventions
Doxycycline Hyclate Delayed-Release 200 mg
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
641 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
3
States / cities
San Francisco, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 11, 2024 · Synced May 22, 2026, 4:46 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Opioid Use Disorder, HIV Infections, Chlamydia, Gonorrhea, Syphilis, Trichomonas
Interventions
Mobile Van Clinic
Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced May 22, 2026, 4:46 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Diseases, Viral, Syphilis
Interventions
mLab App Plus
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 39 Years · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
2
States / cities
New York, New York • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 4, 2025 · Synced May 22, 2026, 4:46 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Gonorrhea, Chlamydia, Trichomoniasis, Syphilis, HIV Infections
Interventions
Intervention
Behavioral
Lead sponsor
Richard Crosby
Other
Eligibility
15 Years to 29 Years · Male only
Enrollment
620 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Feb 20, 2019 · Synced May 22, 2026, 4:46 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Syphilis Infection, Treponema Pallidum Infection
Interventions
Diagnostic Test: NOWDx Syphilis Test
Device
Lead sponsor
NOWDiagnostics, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
1,535 participants
Timeline
2021 – 2023
U.S. locations
6
States / cities
Tempe, Arizona • Los Angeles, California • North Miami, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 28, 2024 · Synced May 22, 2026, 4:46 AM EDT