Clinical trials
Completed trials in Italy
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
13,323 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 65 |
| 2001 | 101 |
| 2002 | 128 |
| 2003 | 191 |
| 2004 | 262 |
| 2005 | 283 |
| 2006 | 391 |
| 2007 | 439 |
| 2008 | 493 |
| 2009 | 529 |
| 2010 | 544 |
| 2011 | 617 |
| 2012 | 628 |
| 2013 | 634 |
| 2014 | 639 |
| 2015 | 700 |
| 2016 | 649 |
| 2017 | 803 |
| 2018 | 837 |
| 2019 | 809 |
| 2020 | 814 |
| 2021 | 795 |
| 2022 | 683 |
| 2023 | 526 |
| 2024 | 358 |
| 2025 | 193 |
| 2026 | 20 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 13,323 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Novartis Pharmaceuticals | 452 |
| Hoffmann-La Roche | 424 |
| Bayer | 232 |
| Bristol-Myers Squibb | 229 |
| AstraZeneca | 225 |
| GlaxoSmithKline | 224 |
| Pfizer | 224 |
| Fondazione Policlinico Universitario Agostino Gemelli IRCCS | 205 |
| Federico II University | 201 |
| Sanofi | 196 |
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 |
|---|---|
| Breast Neoplasms | 361 |
| Diabetes Mellitus, Type 2 | 286 |
| Neoplasms | 268 |
| Carcinoma, Non-Small-Cell Lung | 254 |
| COVID-19 | 199 |
| Heart Failure | 188 |
| Colorectal Neoplasms | 183 |
| Pulmonary Disease, Chronic Obstructive | 179 |
| Diabetes Mellitus | 174 |
| Obesity | 166 |
Trials
Showing 1 to 25 of 13,323. Each trial links to its page on Pharma Observatory.
13,223 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.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.