Clinical trials
Completed Observational Rectal Neoplasms trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
224 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 3 |
| 2003 | 4 |
| 2004 | 1 |
| 2005 | 7 |
| 2006 | 14 |
| 2007 | 8 |
| 2008 | 13 |
| 2009 | 16 |
| 2010 | 6 |
| 2011 | 11 |
| 2012 | 10 |
| 2013 | 9 |
| 2014 | 8 |
| 2015 | 8 |
| 2016 | 14 |
| 2017 | 10 |
| 2018 | 15 |
| 2019 | 9 |
| 2020 | 17 |
| 2021 | 10 |
| 2022 | 10 |
| 2023 | 5 |
| 2024 | 7 |
| 2025 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 224 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Memorial Sloan Kettering Cancer Center | 6 |
| Alliance for Clinical Trials in Oncology | 5 |
| Sahlgrenska University Hospital | 5 |
| Sun Yat-sen University | 5 |
| Seoul National University Hospital | 4 |
| Yanhong Deng | 4 |
| Case Comprehensive Cancer Center | 3 |
| Daorong Wang | 3 |
| Northern Jiangsu People's Hospital | 3 |
| SWOG Cancer Research Network | 3 |
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 | 224 |
| Colonic Neoplasms | 66 |
| Colorectal Neoplasms | 46 |
| Pancreatic Neoplasms | 15 |
| Breast Neoplasms | 14 |
| Prostatic Neoplasms | 13 |
| Carcinoma, Non-Small-Cell Lung | 12 |
| Lung Neoplasms | 10 |
| Neoplasms | 10 |
| Low Anterior Resection Syndrome | 9 |
Trials
Showing 1 to 25 of 224. Each trial links to its page on Pharma Observatory.
124 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
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.