Testing effectiveness (Phase 2)Active Not RecruitingNCT05548426What this trial is testingLinezolid for Syphilis Pilot StudyWho this might be right forSyphilis University of Southern California 24
Not applicableLooking for participantsNCT07300254What this trial is testingTreponemal Shedding, Load, and Viability, in Women and Men-who-have-sex-with-women-only With Early Infectious Syphilis: Implications for TransmissionWho this might be right forSyphilis Monash University 480
Large-scale testing (Phase 3)Study completedNCT00031499What this trial is testingAzithromycin/Bicillin SyphilisWho this might be right forSyphilis National Institute of Allergy and Infectious Diseases (NIAID) 593
Not applicableUnknownNCT04084379What this trial is testingImplementation Strategy of Bio-molecular Techniques for Early Diagnose of Congenital Syphilis and Chagas DiseasesWho this might be right forChagas DiseaseSyphilis Hospital de Niños R. Gutierrez de Buenos Aires 560
Post-approval studies (Phase 4)UnknownNCT02884115What this trial is testingSerological Response to Retreatment of Serofast Early Syphilis Cases With Benzathine PenicillinWho this might be right forSyphilis Peking Union Medical College Hospital 150
Large-scale testing (Phase 3)Study completedNCT05069974What this trial is testingAlternative Antibiotics for SyphilisWho this might be right forEarly Latent SyphilisPrimary SyphilisSecondary Syphilis Fundación FLS de Lucha Contra el Sida, las Enfermedades Infecciosas y la Promoción de la Salud y la Ciencia 165
Testing effectiveness (Phase 2)Study completedNCT03660488What this trial is testingCefixime for Alternative Syphilis TreatmentWho this might be right forSyphilisEarly Syphilis University of California, Los Angeles 58
Testing effectiveness (Phase 2)Looking for participantsNCT06683638What this trial is testingDaily Doxycycline for Early SyphillisWho this might be right forSyphilis University of Washington 15
Post-approval studies (Phase 4)Ended earlyNCT06907316What this trial is testingCefixime Versus Benzathine Penicillin G in Treatment of Early SyphilisWho this might be right forSyphilis Bulovka Hospital 61
Post-approval studies (Phase 4)Ended earlyNCT05980871What this trial is testingTreatment Responses of Early Syphilis to Ceftriaxone Plus DoxycyclineWho this might be right forEarly Syphilis National Taiwan University Hospital 109
Testing effectiveness (Phase 2)UnknownNCT03752112What this trial is testingTrial Evaluating the Clinical Efficacy of Cefixime for Treatment of Early Syphilis in Non-pregnant WomenWho this might be right forSyphilis Female World Health Organization 180
Large-scale testing (Phase 3)Study completedNCT04838717What this trial is testingClinical Trial of Doxycycline VS BPG for Early Syphilis (SY-DOXY)Who this might be right forSyphilis Assistance Publique - Hôpitaux de Paris 200
Large-scale testing (Phase 3)Looking for participantsNCT04958122What this trial is testingCefixime Clinical TrialWho this might be right forSyphilisHuman Immunodeficiency Virus University of Southern California 400
Post-approval studies (Phase 4)Study completedNCT03637660What this trial is testingPhase 4 Comparative Trial of Benzathine Penicillin G for Treatment of Early Syphilis in Subjects With or Without HIV InfectionWho this might be right forSyphilis National Institute of Allergy and Infectious Diseases (NIAID) 249
Not applicableEnded earlyNCT01540227What this trial is testingPenicillin Therapeutic Drug Monitoring in the Treatment of Infectious Syphilis.Who this might be right forSyphilisPrimary SyphilisSecondary Syphilis+1 more Ottawa Hospital Research Institute 25
Not applicableLooking for participantsNCT06069141What this trial is testingComparisons of Treatment Responses of Early Syphilis to Benzathine Penicillin G With or Without DoxycyclineWho this might be right forEarly Syphilis, Latent, Serological Relapse After Treatment National Taiwan University Hospital 688
Not applicableStudy completedNCT01944358What this trial is testingComparisons of Serologic Response of Early SyphilisWho this might be right forSerologic Response of SyphilisEarly SyphilisHigh Risk Behavior National Taiwan University Hospital 1,128
Not applicableStudy completedNCT05831098What this trial is testingEvaluation of the Sensitivity, Specificity, and Utility of the Reveal® TP (Syphilis) Antibody POCTWho this might be right forSyphilis InfectionSyphilisEarly Syphilis, Symptomatic MedMira Laboratories Inc. 600
Post-approval studies (Phase 4)UnknownNCT02857959What this trial is testingOne Dose Versus Three Weekly Doses of Benzathine Penicillin G for Patients With Early SyphilisWho this might be right forSyphilis Jun Li 150
Not applicableStudy completedNCT02752152What this trial is testingCounseling and Reminders for Regular HIV and STIs ScreeningWho this might be right forHIV, Hepatitis B, Hepatitis C and Syphilis Infections Institut de Recherche pour le Developpement 1,961