Clinical trials: Treponema Pallidum
Syphilis, Chlamydia
Pre-exposure Prophylaxis: A Miracle Drug or a Moral Hazard
The investigators study the behavioral consequences of Pre-exposure Prophylaxis or PrEP on sexual health behaviors, sexual health outcomes, and partner selection preferences.
- Conditions
- Syphilis, Chlamydia, Gonorrhea, Sexually Transmitted Diseases
- Trial name
- NCT04325555
- Testing
- PrEP
- Where
- United Arab Emirates
- Volunteers
- 2,647 people, healthy volunteers welcome
- Sponsor
- New York University
Syphilis
Syphilis Video Tool to Promote Knowledge and Testing in the ED
The objective of this study is to determine whether the "Syphilis and Men" educational video can be a useful tool to increase syphilis knowledge and testing among English and Spanish-speaking urgent care and emergency department…
- Trial name
- NCT00552539
- Testing
- 'educational video'
- Where
- United States
- Volunteers
- 220 people, healthy volunteers welcome
- Sponsor
- Jacobi Medical Center
Gonorrhea Male, Chlamydia (Male)
Periodic Presumptive Treatment vs. doxyPEP for STI Control in Kenyan MSM
Men who have sex with men (MSM) are at high risk for gonorrhea and chlamydia in Kenya, where nucleic acid amplification testing is not feasible and most infections therefore go undiagnosed.
- Conditions
- Gonorrhea Male, Chlamydia (Male), Syphilis Male
- Trial name
- NCT06468462
- Testing
- WHO-recommended periodic presumptive treatment, Doxycycline post-exposure prophylaxis
- Where
- 3 sites in Kenya
- Volunteers
- 2,900 people, healthy volunteers welcome
- Sponsor
- University of Washington
Syphilis, HIV
Introduction Study of Dual HIV & Syphilis Rapid Diagnostic Tests in Antenatal Clinics in Colombia
Global and regional initiatives have been launched for the dual elimination of mother-to-child transmission (MTCT) of HIV and syphilis.
- Trial name
- NCT02454816
- Testing
- Single HIV RDT and single syphilis RDT, Dual HIV/syphilis RDT
- Where
- Colombia
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Universidad Nacional de Colombia
HPV Infection, HIV Infection
Human Papillomavirus Infection and Knowledge and Attitudes About HPV Vaccines Among Men Who Have Sex With Men (MSM)
This is a observational study aims to assess anal and genital human papillomavirus (HPV) infection status among men who have sex with men (MSM) in China, and their knowledge and attitude about HPV vaccine.
- Conditions
- HPV Infection, HIV Infection, Syphilis
- Trial name
- NCT01300689
- Where
- China
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- Chinese Academy of Medical Sciences
HIV Infection Primary, Hepatitis, Viral, Human
Seville Cohort of People at Substantial Risk for HIV Infection on Pre-exposure Prophylaxis
Pre-exposure prophylaxis (PrEP) based on tenofovir represents a considerably new preventive intervention that has shown to significantly decrease the number of HIV infections while it enables early diagnosis of HIV and other…
- Conditions
- HIV Infection Primary, Hepatitis, Viral, Human, Sexually Transmitted Infections, Excluding HIV and Hepatitis
- Trial name
- SeVIHPrEP (NCT05492565)
- Testing
- Tenofovir Disoproxil Fumarate 300 MG Oral Tablet
- Where
- Spain
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Hospitales Universitarios Virgen del Rocío
Acute Bacterial Infections, Acute Viral Infections
300 Antibody Diagnostic Test Kit
For the development of a Point of Care IVD test kit for acute phase disease detection against a variety of bacterial and viral infections.
- Trial name
- Antibody 300 (NCT01646411)
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- The Plasma Source
Hiv, Syphilis
MENJAGA: Continuous Quality Improvement for Antenatal HIV, Syphilis and Hepatitis B Testing in Indonesia
Elimination of mother-to-child-transmission (EMTCT) of HIV, syphilis and hepatitis B are key priorities in Indonesia, the fourth most populous country in the world.
- Conditions
- Hiv, Syphilis, Hepatitis B
- Trial name
- MENJAGA (NCT06058286)
- Testing
- Continuous quality improvement
- Where
- Indonesia
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Yanri Wijayanti Subronto, MD, PhD,
Gonorrhea, Chlamydia
Evaluation of Doxycycline Post-exposure Prophylaxis to Reduce Sexually Transmitted Infections in PrEP Users and HIV-infected Men Who Have Sex With Men
The purpose of this study is to understand if taking an antibiotic called doxycycline by mouth as soon as possible after sexual contact without a condom can reduce the risk of sexually transmitted infections (STIs), including…
- Conditions
- Gonorrhea, Chlamydia, Syphilis
- Trial name
- NCT03980223
- Testing
- Doxycycline Hyclate Delayed-Release 200 mg
- Where
- 3 sites in United States
- Volunteers
- 641 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Syphilis
Finding the Latent Treponema Pallidum
Some syphilitic patients remain in a serologically positive state after the recommended therapy. Whether a serofast state could represent a persistent low-level infection by Treponema pallidum is still unknown.
- Trial name
- NCT03754517
- Testing
- RPR Titer
- Where
- China
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Peking Union Medical College Hospital
HIV, Syphilis
Implementation of an Efficacious Intervention for High Risk Women in Mexico
This project seeks to determine the personal and organizational conditions that are most conducive to the widespread adoption by community-based organizations (CBOs) of effective programs for reducing the spread of HIV and other…
- Conditions
- HIV, Syphilis, Gonorrhea, Chlamydia
- Trial name
- NCT01465607
- Testing
- Mujer Segura, CENSIDA counseling program
- Where
- 4 sites in Mexico
- Volunteers
- 1,228 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Treponema Pallidum Infection, Chlamydia Trachomatis Infection
Improving Maternal and Child Health Through Point-of-care STI Testing
The goal of this clinical trial is to learn if point-of-care tests (POCTs) for sexually transmitted infections (STIs) improve the timely treatment of syphilis, chlamydia, gonorrhea, and trichomonas in pregnant women.
- Conditions
- Treponema Pallidum Infection, Chlamydia Trachomatis Infection, Neisseria Gonorrheae Infection, Trichomonas Vaginalis Vaginitis
- Trial name
- MATCH-POINT (NCT07290439)
- Testing
- Point-of-care STI tests, Standard of care STI testing
- Where
- United States
- Volunteers
- 756 people, healthy volunteers welcome
- Sponsor
- Emory University
Gonorrhea, Chlamydia
Safer Sex Program for Young African-American Men
To evaluate the efficacy of the adapted program a randomized controlled trial enrolling 620 eligible African American men who have sex with men (MSM) will be conducted.
- Conditions
- Gonorrhea, Chlamydia, Trichomoniasis, Syphilis
- Trial name
- NCT01439503
- Testing
- Intervention
- Where
- United States
- Volunteers
- 620 people, healthy volunteers welcome
- Sponsor
- Richard Crosby
Sexually Transmitted Diseases, Bacterial, Syphilis
Superiority of On-demand PrEP Versus PEP on Using Doxycycline for Preventing STI in MSM
The goal of this clinical trial is to compare the effectiveness of doxycycline taken for on-demand pre-exposure prophylaxis (DoxyODPrEP) and its post-exposure use (DoxyPEP) in preventing bacterial sexually transmitted infections…
- Conditions
- Sexually Transmitted Diseases, Bacterial, Syphilis, Gonorrhea, Chlamydia
- Trial name
- NCT06188442
- Testing
- DoxyODPrEP, DoxyPEP
- Where
- Hong Kong
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Chlamydia, Gonorrhea
A Seek, Test, and Treat Intervention to Reduce Chlamydia Trachomatis Disparities
This study includes testing for four STIs (chlamydia, gonorrhea, syphilis, and HIV) at no cost. If positive, individual subjects will also be counseled and offered options for treatment for themselves and their sex partners that…
- Conditions
- Chlamydia, Gonorrhea, Hiv, Syphilis
- Trial name
- NCT06428643
- Testing
- Chlamydia, gonorrhea, syphilis, and HIV screening
- Where
- United States
- Volunteers
- 2,322 people, healthy volunteers welcome
- Sponsor
- Tulane University
HIV Infections
Surveillance and Medical Help for HIV-infected Intravenous Drug Users in and Out of Prison
It is difficult to detect the intestinal protozoal infections among the HIV-infected persons or travelers diarrhea by using the traditional microscopy or staining methods.
- Trial name
- NCT00739258
- Where
- Taiwan
- Volunteers
- 700 people, healthy volunteers welcome
- Sponsor
- Kaohsiung Medical University Chung-Ho Memorial Hospital
Sexually Transmitted Diseases
A Trial to Compare Antibacterial vs. Placebo Mouthwash to Reduce the Incidence of Sexually Transmitted Infections (STIs) in Men Who Have Sex With Men (MSM) Taking HIV Pre-Exposure Prophylaxis (PrEP)
The study involves a randomized placebo controlled trial that aims to assess if a mouthwash (Listerine cool mint, LCM) is able to reduce the cumulative incidence of gonorrhoea (Ng), chlamydia (Ct) and syphilis in men who have sex…
- Trial name
- PReGo (NCT03881007)
- Testing
- Mouthwash with LCM
- Where
- Belgium
- Volunteers
- 343 people, healthy volunteers welcome
- Sponsor
- Institute of Tropical Medicine, Belgium
Syphilis Infection, Syphilis
Evaluation of the Sensitivity, Specificity, and Utility of the Reveal® TP (Syphilis) Antibody POCT
This study is to test the Reveal® TP (Syphilis) antibody POCT (MedMira, Inc., Halifax, Nova Scotia) for its performance in an urban STI clinic in Vancouver, British Columbia and compare its performance in parallel with the usual…
- Conditions
- Syphilis Infection, Syphilis, Early Syphilis, Symptomatic
- Trial name
- NCT05831098
- Testing
- Reveal TP (Syphilis) Antibody Test
- Where
- Canada
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- MedMira Laboratories Inc.
Syphilis
Investigational Study to Evaluate the DPP® Syphilis Screen & Confirm Antibody Point-of-care Test (POCT) to Diagnose Infectious Syphilis
The goal of this observational study is to evaluate the sensitivity, specificity, and utility of the DPP® Syphilis Screen \& Confirm antibody point-of-care test (POCT) to diagnose infectious syphilis in participants attending the…
- Trial name
- NCT06927843
- Testing
- point of care test
- Where
- Canada
- Volunteers
- 312 people, healthy volunteers welcome
- Sponsor
- University of Manitoba
Neurosyphilis, Biomarkers
Cohort-Based Study of Diagnostic Biomarkers for Neurosyphilis
The goal of this observational study is to identify diagnostic biomarkers for neurosyphilis in patients with the condition. The main questions it aims to answer are: What plasma biomarkers are associated with neurosyphilis? What…
- Conditions
- Neurosyphilis, Biomarkers, Proteomics
- Trial name
- NCT06680011
- Where
- China
- Volunteers
- 360 people, healthy volunteers welcome
- Sponsor
- Shanghai Mental Health Center