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| Withdrawn | 9 |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 76 to 100 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
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.