Clinical trials
Syphilis trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
118 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 2 |
| 2001 | 1 |
| 2002 | 2 |
| 2003 | 1 |
| 2004 | 1 |
| 2006 | 2 |
| 2007 | 1 |
| 2008 | 2 |
| 2009 | 4 |
| 2011 | 7 |
| 2012 | 4 |
| 2013 | 3 |
| 2014 | 4 |
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 9 |
| 2020 | 5 |
| 2021 | 8 |
| 2022 | 1 |
| 2023 | 9 |
| 2024 | 9 |
| 2025 | 17 |
| 2026 | 8 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 60 |
| Recruiting | 20 |
| Unknown status | 18 |
| Terminated | 6 |
| Not yet recruiting | 6 |
| Active, not recruiting | 5 |
| Withdrawn | 2 |
| Enrolling by invitation | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Institute of Allergy and Infectious Diseases (NIAID) | 5 |
| London School of Hygiene and Tropical Medicine | 4 |
| University of Washington | 4 |
| Centers for Disease Control and Prevention | 3 |
| National Taiwan University Hospital | 3 |
| Peking Union Medical College Hospital | 3 |
| Population Council | 3 |
| The University of Texas Health Science Center, Houston | 3 |
| University of North Carolina, Chapel Hill | 3 |
| British Columbia Centre for Disease Control | 2 |
Top conditions
MeSH conditions the trials were registered with, not their broader categories. A condition with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Syphilis | 118 |
| Sexually Transmitted Diseases | 32 |
| Gonorrhea | 30 |
| Chlamydia Infections | 29 |
| HIV Infections | 27 |
| Acquired Immunodeficiency Syndrome | 14 |
| Hepatitis B | 10 |
| Hepatitis C | 10 |
| Treponemal Infections | 7 |
| Trichomonas Infections | 4 |
Trials
Showing 26 to 50 of 118. Each trial links to its page on Pharma Observatory.
18 more trials match. See them on Pharma Observatory
Recently changed trials
Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.
No changes to these trials in the last 7 days.
Go deeper on Pharma Observatory
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