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ClinicalTrials.gov public records Last synced Oct 22, 2026, 4:39 PM EDT

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Showing 25–48 of 278 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: RECTUM Clear all
Completed Phase 3 Interventional Results available

Calcium Gluconate and Magnesium Sulfate in Preventing Neurotoxicity Caused By Oxaliplatin in Patients Receiving Combination Chemotherapy for Stage II, Stage III, or Stage IV Colorectal Cancer That Has Been Completely Removed By Surgery

NCT00316914
View directory record Official record
Conditions
Colorectal Cancer, Neurotoxicity
Interventions
calcium gluconate, magnesium sulfate, placebo
Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
14
States / cities
Augusta, Georgia • Des Moines, Iowa • Bismarck, North Dakota + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 11, 2016 · Synced Oct 22, 2026, 4:39 PM EDT
Completed Phase 2 Interventional Results available

Capecitabine, Cetuximab, Oxaliplatin, and Bevacizumab in Treating Patients With Metastatic or Recurrent Colorectal Cancer That Cannot Be Removed By Surgery

NCT00290615
View directory record Official record
Conditions
Colorectal Cancer
Interventions
bevacizumab, cetuximab, capecitabine, oxaliplatin
Biological · Drug
Lead sponsor
Herbert Hurwitz
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
2
States / cities
Durham, North Carolina • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 7, 2013 · Synced Oct 22, 2026, 4:39 PM EDT
Completed No phase listed Observational

Intestinal Microbiome, Oral Microbiome, and Whole Blood Transcriptome Analyses in Gastrointestinal Malignancies

NCT05462314
View directory record Official record
Conditions
Gastrointestinal Cancer, Pancreatic Cancer, Esophageal Cancer, Gastric Cancer, Rectal Cancer, Liver Cancer, Biliary Cancer
Interventions
Not listed
Lead sponsor
Viome
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Oct 22, 2026, 4:39 PM EDT
Terminated Not applicable Interventional Results available

Endoscopic Optical Coherence Tomography for Screening and Diagnosis of Colorectal Precancerous and Malignant Polyps

NCT05179837
View directory record Official record
Conditions
Colon Cancer, Rectal Cancer, Cancer of the Rectum, Cancer of the Colon, Precancerous Polyp, Malignant Polyp
Interventions
Optical coherence tomography probe
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
40 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 19, 2025 · Synced Oct 22, 2026, 4:39 PM EDT
Terminated No phase listed Observational

Telomere Length in Predicting Toxicity in Older Patients With Stage III-IV Colorectal Cancer Undergoing Chemotherapy

NCT01934179
View directory record Official record
Conditions
Mucinous Adenocarcinoma of the Colon, Mucinous Adenocarcinoma of the Rectum, Signet Ring Adenocarcinoma of the Colon, Signet Ring Adenocarcinoma of the Rectum, Stage IIIA Colon Cancer, Stage IIIA Rectal Cancer, Stage IIIB Colon Cancer, Stage IIIB Rectal Cancer, Stage IIIC Colon Cancer, Stage IIIC Rectal Cancer, Stage IV Colon Cancer, Stage IV Rectal Cancer
Interventions
cytology specimen collection procedure, laboratory biomarker analysis, questionnaire administration
Other
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
70 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 7, 2018 · Synced Oct 22, 2026, 4:39 PM EDT
Completed Phase 1 Interventional

ZD 1839 Plus Combination Chemotherapy in Treating Patients With Locally Advanced, Locally Recurrent, or Metastatic Colorectal Cancer

NCT00026364
View directory record Official record
Conditions
Colorectal Cancer
Interventions
fluorouracil, gefitinib, irinotecan hydrochloride, leucovorin calcium
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2001
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 21, 2013 · Synced Oct 22, 2026, 4:39 PM EDT
Completed Not applicable Interventional

Self-monitoring and Reminder Texts to Increase Physical Activity After Cancer: a Pilot Randomized Controlled Trial

NCT02966054
View directory record Official record
Conditions
Colon Cancer, Rectum Cancer
Interventions
Digital Health Physical Activity Intervention Group
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 9, 2018 · Synced Oct 22, 2026, 4:39 PM EDT
Completed Phase 3 Interventional Results available

Cetuximab and/or Bevacizumab Combined With Combination Chemotherapy in Treating Patients With Metastatic Colorectal Cancer

NCT00265850
View directory record Official record
Conditions
Colorectal Cancer
Interventions
bevacizumab, cetuximab, FOLFOX or, FOLFIRI
Biological · Drug
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
2,334 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2018
U.S. locations
662
States / cities
Mobile, Alabama • Anchorage, Alaska • Fort Smith, Arkansas + 468 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2026 · Synced Oct 22, 2026, 4:39 PM EDT
Terminated Phase 2 Interventional Results available

Phase II Trial of Neoadjuvant FOLFOX4 and Cetuximab for Localized Adenocarcinoma of Rectum

NCT00580073
View directory record Official record
Conditions
Rectal Cancer
Interventions
FOLFOX4, Cetuximab
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 13, 2019 · Synced Oct 22, 2026, 4:39 PM EDT
Recruiting Not applicable Interventional

A Study of Response to Standard Treatment Before Surgery in People With Rectal Cancer

NCT06637462
View directory record Official record
Conditions
Rectal Cancer, Adenocarcinoma of the Rectum
Interventions
Endoscopy
Diagnostic Test
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
6
States / cities
Middletown, New Jersey • Montvale, New Jersey • Commack, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 22, 2026, 4:39 PM EDT
Not listed Phase 2 Interventional

Capecitabine, Panitumumab, and Radiation Therapy With or Without Irinotecan Hydrochloride in Treating Patients Undergoing Surgery for Localized Rectal Cancer

NCT00967655
View directory record Official record
Conditions
Colorectal Cancer
Interventions
panitumumab, capecitabine, irinotecan hydrochloride, neoadjuvant therapy, therapeutic conventional surgery, radiation therapy
Biological · Drug · Procedure + 1 more
Lead sponsor
Loma Linda Oncology Medical Group, Inc.
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
4
States / cities
Redlands, California
Source: ClinicalTrials.gov public record
Updated Jan 10, 2014 · Synced Oct 22, 2026, 4:39 PM EDT
Completed Phase 3 Interventional

Study of Oxaliplatin/5-FU/Leucovorin Plus Vatalanib Versus Oxaliplatin/5-FU/Leucovorin in Patients With Metastatic Colorectal Cancer.

NCT00056459
View directory record Official record
Conditions
Colorectal Neoplasms, Colonic Neoplasms, Rectal Neoplasms
Interventions
Vatalanib
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years and older
Enrollment
1,168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
145
States / cities
Birmingham, Alabama • Glendale, Arizona • Tucson, Arizona + 123 more
Source: ClinicalTrials.gov public record
Updated Feb 10, 2020 · Synced Oct 22, 2026, 4:39 PM EDT
Completed Phase 1 Interventional

Genotype-guided Dosing of mFOLFIRINOX Chemotherapy in Patients With Previously Untreated Advanced Gastrointestinal Malignancies

NCT01643499
View directory record Official record
Conditions
Acinar Cell Adenocarcinoma of the Pancreas, Adenocarcinoma of the Gallbladder, Adenocarcinoma of Unknown Primary, Adult Primary Cholangiocellular Carcinoma, Advanced Adult Primary Liver Cancer, Cholangiocarcinoma of the Extrahepatic Bile Duct, Cholangiocarcinoma of the Gallbladder, Diffuse Adenocarcinoma of the Stomach, Duct Cell Adenocarcinoma of the Pancreas, Intestinal Adenocarcinoma of the Stomach, Localized Unresectable Adult Primary Liver Cancer, Metastatic Carcinoma of Unknown Primary, Metastatic Extrahepatic Bile Duct Cancer, Mixed Adenocarcinoma of the Stomach, Mucinous Adenocarcinoma of the Colon, Mucinous Adenocarcinoma of the Rectum, Newly Diagnosed Carcinoma of Unknown Primary, Signet Ring Adenocarcinoma of the Colon, Signet Ring Adenocarcinoma of the Rectum, Stage III Pancreatic Cancer, Stage IIIA Colon Cancer, Stage IIIA Gallbladder Cancer, Stage IIIA Gastric Cancer, Stage IIIA Rectal Cancer, Stage IIIB Colon Cancer, Stage IIIB Gallbladder Cancer, Stage IIIB Gastric Cancer, Stage IIIB Rectal Cancer, Stage IIIC Colon Cancer, Stage IIIC Gastric Cancer, Stage IIIC Rectal Cancer, Stage IV Gastric Cancer, Stage IV Pancreatic Cancer, Stage IVA Colon Cancer, Stage IVA Gallbladder Cancer, Stage IVA Rectal Cancer, Stage IVB Colon Cancer, Stage IVB Gallbladder Cancer, Stage IVB Rectal Cancer, Unresectable Extrahepatic Bile Duct Cancer
Interventions
oxaliplatin, irinotecan hydrochloride, leucovorin calcium, fluorouracil, laboratory biomarker analysis
Drug · Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
2
States / cities
Chicago, Illinois • Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated May 8, 2020 · Synced Oct 22, 2026, 4:39 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Bevacizumab, Erlotinib and 5-Fluorouracil With External Beam Radiation Therapy in Locally Advanced Rectal Cancer

NCT00307736
View directory record Official record
Conditions
Rectal Cancer, Adenocarcinoma of the Rectum
Interventions
5-fluorouracil, bevacizumab, erlotinib, External beam radiation therapy (EBRT)
Drug · Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 10, 2017 · Synced Oct 22, 2026, 4:39 PM EDT
Completed Phase 2 Interventional Results available

Capecitabine and Irinotecan in Treating Patients With Locally Advanced, Recurrent, or Metastatic Colorectal Cancer

NCT00022698
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Capecitabine, Irinotecan
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
17
States / cities
Birmingham, Alabama • Loma Linda, California • Norwich, Connecticut + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2016 · Synced Oct 22, 2026, 4:39 PM EDT
Completed Phase 2 Interventional Results available

Vitamin D Levels in Stage IV Colorectal Cancer Patients

NCT01074216
View directory record Official record
Conditions
Colorectal Cancer
Interventions
vitamin D repletion with Cholecalciferol (vitamin D3 50,000 International Units)
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
5
States / cities
Basking Ridge, New Jersey • Commack, New York • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2016 · Synced Oct 22, 2026, 4:39 PM EDT
Recruiting No phase listed Observational

Prospective HemorrhoIdaL EmboliSation (PILES) Registry

NCT07635784
View directory record Official record
Conditions
Hemorrhoid, Internal Hemorrhoids, Hemorrhoid Bleeding, Hemorrhoidal Bleeding, Internal Hemorrhoid
Interventions
Hemorrhoid Artery Embolization
Procedure
Lead sponsor
Joint & Vascular Institute
Industry
Eligibility
18 Years and older
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
1
States / cities
Libertyville, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 22, 2026, 4:39 PM EDT
Terminated Phase 3 Interventional

FOLFIRI or FOLFOX With or Without Cetuximab in Patients With Metastatic Adenocarcinoma of the Colon or Rectum

NCT00077233
View directory record Official record
Conditions
Colorectal Cancer
Interventions
cetuximab, 5-FU, irinotecan, leucovorin, oxaliplatin
Drug
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
238 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2010
U.S. locations
77
States / cities
Anniston, Alabama • La Jolla, California • Los Angeles, California + 56 more
Source: ClinicalTrials.gov public record
Updated May 16, 2018 · Synced Oct 22, 2026, 4:39 PM EDT
Terminated Phase 2 Interventional Results available

Everolimus in Treating Patients With Advanced or Metastatic Colorectal Cancer That Did Not Respond to Previous Therapy

NCT00390364
View directory record Official record
Conditions
Colorectal Cancer
Interventions
everolimus, antiangiogenesis therapy, biopsy, diagnostic procedure, gene expression analysis, immunohistochemistry staining method, laboratory biomarker analysis, mutation analysis, protein tyrosine kinase inhibitor therapy, reverse transcriptase-polymerase chain reaction
Drug · Procedure
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 8, 2014 · Synced Oct 22, 2026, 4:39 PM EDT
Completed Phase 3 Interventional

Study of Oxaliplatin/5-FU/Leucovorin Plus Vatalanib Versus Oxaliplatin/5-FU/Leucovorin in Patients With Previously Treated Metastatic Colorectal Cancer

NCT00056446
View directory record Official record
Conditions
Colorectal Neoplasms, Colonic Neoplasms, Rectal Neoplasms
Interventions
Vatalanib
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
855 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
143
States / cities
Huntsville, Alabama • Anchorage, Alaska • Tucson, Arizona + 113 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2017 · Synced Oct 22, 2026, 4:39 PM EDT
Completed Phase 1Phase 2 Interventional

Oxaliplatin, Fluorouracil, and External-Beam Radiation Therapy Followed by Surgery in Treating Patients With Locally Advanced Cancer of the Rectum

NCT00006094
View directory record Official record
Conditions
Adenocarcinoma of the Rectum, Stage II Rectal Cancer, Stage III Rectal Cancer
Interventions
oxaliplatin, fluorouracil, external beam radiation therapy
Drug · Radiation
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 16, 2013 · Synced Oct 22, 2026, 4:39 PM EDT
Completed Phase 2 Interventional

Ro 31-7453 in Treating Patients With Recurrent or Refractory Metastatic Colorectal Cancer

NCT00016250
View directory record Official record
Conditions
Colorectal Cancer
Interventions
MKC-1
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2002
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 18, 2013 · Synced Oct 22, 2026, 4:39 PM EDT
Completed Phase 2 Interventional

Gefitinib and Combination Chemotherapy in Treating Patients With Advanced Solid Tumors or Colorectal Cancer

NCT00025142
View directory record Official record
Conditions
Colorectal Cancer
Interventions
FOLFOX regimen, fluorouracil, gefitinib, leucovorin calcium, oxaliplatin
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 15, 2013 · Synced Oct 22, 2026, 4:39 PM EDT
Recruiting Phase 2 Interventional

Lenvatinib and Pembrolizumab to Treat Patients With Anal or Rectum Cancer That Has Gotten Worse After Initial Treatment

NCT06669572
View directory record Official record
Conditions
Carcinoma, Squamous Cell, Anorectal Cancer
Interventions
Pembrolizumab, Lenvatinib
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Oct 22, 2026, 4:39 PM EDT