Clinical trials
Observational Rectal Neoplasms trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
481 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 4 |
| 2003 | 5 |
| 2004 | 3 |
| 2005 | 8 |
| 2006 | 14 |
| 2007 | 9 |
| 2008 | 19 |
| 2009 | 20 |
| 2010 | 10 |
| 2011 | 14 |
| 2012 | 19 |
| 2013 | 16 |
| 2014 | 15 |
| 2015 | 14 |
| 2016 | 19 |
| 2017 | 21 |
| 2018 | 26 |
| 2019 | 21 |
| 2020 | 45 |
| 2021 | 34 |
| 2022 | 34 |
| 2023 | 31 |
| 2024 | 26 |
| 2025 | 19 |
| 2026 | 25 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 224 |
| Unknown status | 114 |
| Recruiting | 63 |
| Not yet recruiting | 28 |
| Active, not recruiting | 24 |
| Terminated | 15 |
| Withdrawn | 9 |
| Enrolling by invitation | 4 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Sixth Affiliated Hospital, Sun Yat-sen University | 14 |
| Sahlgrenska University Hospital | 10 |
| Memorial Sloan Kettering Cancer Center | 8 |
| Sun Yat-sen University | 8 |
| Fondazione Policlinico Universitario Agostino Gemelli IRCCS | 7 |
| Yanhong Deng | 7 |
| Beijing Friendship Hospital | 6 |
| Case Comprehensive Cancer Center | 6 |
| Stanford University | 6 |
| Alliance for Clinical Trials in Oncology | 5 |
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 |
|---|---|
| Rectal Neoplasms | 481 |
| Colonic Neoplasms | 118 |
| Colorectal Neoplasms | 79 |
| Breast Neoplasms | 28 |
| Pancreatic Neoplasms | 28 |
| Prostatic Neoplasms | 25 |
| Neoplasms | 23 |
| Lung Neoplasms | 22 |
| Stomach Neoplasms | 20 |
| Carcinoma, Non-Small-Cell Lung | 16 |
Trials
Showing 1 to 25 of 481. Each trial links to its page on Pharma Observatory.
381 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
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