Clinical trials
Reinfection trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
35 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2002 | 2 |
| 2005 | 2 |
| 2007 | 1 |
| 2009 | 1 |
| 2010 | 1 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 5 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 14 |
| Unknown status | 13 |
| Active, not recruiting | 3 |
| Recruiting | 3 |
| Enrolling by invitation | 1 |
| Not yet recruiting | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Taiwan University Hospital | 3 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 2 |
| Albert Einstein College of Medicine | 1 |
| Bambino Gesù Hospital and Research Institute | 1 |
| Baylor College of Medicine | 1 |
| Boston Medical Center | 1 |
| Chung Shan Medical University | 1 |
| First Affiliated Hospital of Fujian Medical University | 1 |
| Fundación Pública Andaluza para la gestión de la Investigación en Sevilla | 1 |
| Goztepe Training and Research Hospital | 1 |
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 |
|---|---|
| Reinfection | 35 |
| Hepatitis C | 5 |
| COVID-19 | 4 |
| Clostridium Infections | 4 |
| Recurrence | 4 |
| Hepatitis C, Chronic | 3 |
| Primary Immunodeficiency Diseases | 3 |
| Liver Diseases | 2 |
| Tuberculosis | 2 |
| Abscess | 1 |
Trials
Showing 26 to 35 of 35. Each trial links to its page 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
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.