Clinical trials: Polyp
Colorectal Neoplasms
Impact of Experience on Results With the Third Eye Retroscope
The Third Eye Retroscope is a device that can be used with a colonoscope to improve the ability of a physician to see areas of the colon that may be hidden from the view of the colonoscope.
- Trial name
- NCT00969124
- Testing
- Third Eye Retroscope
- Where
- 9 sites in United States
- Volunteers
- 328 people, healthy volunteers welcome
- Sponsor
- Avantis Medical Systems
Colonic Polyps, Adenomatous Polyps
Practice-Based Learning to Predict Polyp Histology at Colonoscopy
Most colorectal cancers arise from polyps. Most polyps removed at colonoscopy are small. New technologies such as narrowband imaging (NBI) offer the possibility of in differentiation between precancerous and unimportant small…
- Trial name
- NCT01638091
- Testing
- Ex vivo module, In vivo practice-base learning phase
- Where
- 2 sites in United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Stanford University
Appendicitis, Evidence of Cholecystectomy
Point of Care 3D Ultrasound for Various Applications: A Pilot Study
Summary 1. Purpose and Objective: The purpose of this study is to test the feasibility of rapid acquisition of point of care 3D ultrasound in obtaining abdominal and/or pelvic images.
- Conditions
- Appendicitis, Evidence of Cholecystectomy, Gallstones, Pregnancy, Ectopic
- Trial name
- NCT02831556
- Where
- United States
- Volunteers
- 174 people, healthy volunteers welcome
- Sponsor
- Duke University
Diet Habit, Endometrial Polyp
Observational Study of the Association Between Food Intake and Endometrial Polyps
There are currently no studies evaluating the association between diet and the incidence of endometrial polyps. We aim to evaluate the association to provide more recommendations for the early prevention of endometrial polyps.
- Conditions
- Diet Habit, Endometrial Polyp, Women
- Trial name
- NCT06295510
- Testing
- No interventions.
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- qinxiu zhang
Endometrial Polyp, Endometrial Cancer
Endometrial Polyps: Pathophysiology and Clinical Consequences
The aim of these studies is to study the natural history, the symptoms of, as well as the effect of hysteroscopic resection of endometrial polyps.
- Trial name
- NCT00247923
- Testing
- Hysteroscopic resection of endometrial polyps. (TCRP)
- Where
- Norway
- Volunteers
- 1,186 people, healthy volunteers welcome
- Sponsor
- Ullevaal University Hospital
Colorectal Cancer, Adenomatous Polyp of Colon
CRC Screening Using mSEPT9 (Methylated Septin 9) in Chinese Population
The purpose of this study is to evaluate the performance of the SEPT9 gene methylation assay in Colorectal cancer (CRC) high-risk population in Chinese hospitals using the opportunistic screening method.
- Conditions
- Colorectal Cancer, Adenomatous Polyp of Colon, Polyps, Other Disease/Injury
- Trial name
- RESEPT (NCT02540850)
- Where
- 4 sites in China
- Volunteers
- 1,031 people, healthy volunteers welcome
- Sponsor
- BioChain (Beijing) Science and Technology, Inc.
Chronic Sinusitis
Vitamin D Supplementation in Chronic Rhinosinusitis With Nasal Polyps
The purpose of this study is to determine if Vitamin D supplementation improves clinical and immunologic parameters in chronic rhinosinusitis with nasal polyps.
- Trial name
- VDinCRS (NCT01185808)
- Testing
- Vitamin D
- Where
- United States
- Sponsor
- Medical University of South Carolina
Colorectal Cancer, Hereditary Non-polyposis Colon Cancer
Collecting Information From Patients and Family Members With Hereditary Colorectal Cancer Syndromes or Who Are at High Risk of Developing Colorectal Cancer
RATIONALE: Gathering medical and family history information from patients and family members may help doctors better understand hereditary colorectal cancer and hereditary polyposis syndrome and identify patients at high risk of…
- Conditions
- Colorectal Cancer, Hereditary Non-polyposis Colon Cancer, Precancerous Condition
- Trial name
- NCT00675636
- Testing
- study of socioeconomic and demographic variables, evaluation of cancer risk factors, study of high risk factors
- Where
- 3 sites in United States
- Volunteers
- 730 people
- Sponsor
- Vanderbilt University Medical Center
Chronic Rhinosinusitis (CRS), Chronic Rhinosinusitis (CRS) With and Without Nasal Polyps
The German National CRS Registry (GenreCRS): Clinical Evaluation of the New European Academy for Allergy and Clinical Immunology (EAACI) Criteria for CRSwNP Disease Control, Remission and Cure in a Real-World Evidence Study Approach
The objective of the study is to establish a registry of patients diagnosed with Chronic Rhinosinusitis with and without Nasal Polyps (CRSwNP/CRSsNP) to collect comprehensive longitudinal real-world evidence from specialised…
- Trial name
- GenreCRS (NCT06815211)
- Volunteers
- 500 people
- Sponsor
- Ärzteverband Deutscher Allergologen e.V.
Chronic Rhinosinusitis With Nasal Polyps (CRSwNP)
China CRSwNP Registry Study
Chronic rhinosinusitis with nasal polyps (CRSwNP) is a long-lasting inflammatory disease of the nose and sinuses that can cause nasal blockage, loss of smell, nasal discharge, facial discomfort, sleep problems, and reduced…
- Trial name
- POLARIS (NCT07795658)
- Testing
- Routine Clinical Care for CRSwNP
- Where
- China
- Volunteers
- 1,000 people
- Sponsor
- Beijing Tongren Hospital
Rectal Cancer, Colo-rectal Cancer
Pre-therapeutic MRI Assessment of Early-Stage Rectal Cancer and Significant Rectal Polyps to Avoid Major Resectional Surgery
When a patient is diagnosed with a rectal (bowel) polyp or cancer, radiology doctors read MRI scans to describe how deeply the cancer invades into the bowel wall (this is the 'stage' of the cancer).
- Trial name
- PRESERVE (NCT04103372)
- Testing
- MRI scan, Radiologist training
- Where
- 23 sites in United Kingdom
- Volunteers
- 200 people
- Sponsor
- Imperial College London
Colon Polyps
Factors Associated With Short Withdrawal Time and Polyp Detection Rate During Colonoscopy
Colonoscopy withdrawal times are a critical element in determining quality of colonoscopy; however, few studies have evaluated specific factors that may influence the duration of withdrawal, and specifically short withdrawal…
- Trial name
- NCT01487356
- Testing
- No intervention
- Where
- Canada
- Volunteers
- 802 people
- Sponsor
- University of British Columbia
Rhinitis, Allergic
Mechanism of EGR2 in Allergic Rhinitis
EGR2 may be a target for the treatment of nasal polyps.
- Trial name
- NCT05724290
- Testing
- EGR2
- Where
- China
- Volunteers
- 3 people
- Sponsor
- Zu-xia Ma
Colorectal Cancer
Real-Time Characterizations of Diminutive Colorectal Polyps Using Narrow Band Imaging
Colorectal cancer is the second leading cause of cancer related death in the United States. Colonoscopy is the most commonly performed screening procedure and diminutive polyps (<5mm) are the most commonly found polyps during…
- Trial name
- NCT02441998
- Testing
- Education intervention: Training in Narrow Band Imaging
- Volunteers
- 26 people
- Sponsor
- University of Michigan
Colorectal Polyp, Colonic Neoplasms
Online Education Module to Accurately Classify Polyp Size
Investigators developed an online educational module (ESTIMATE) to teach Gastroenterology (GI) trainees how to estimate polyp size using a snare.
- Trial name
- ESTIMATE (NCT05846295)
- Testing
- ESTIMATE
- Where
- United States
- Volunteers
- 48 people
- Sponsor
- University of Colorado, Denver
Adenoma of Large Intestine
Folic Acid in Preventing Colorectal Polyps in Patients With Previous Colorectal Polyps
RATIONALE: Chemoprevention is the use of certain substances to keep cancer from forming. The use of folic acid may prevent colorectal cancer.
- Trial name
- NCT00512850
- Testing
- Folic acid
- Volunteers
- 672 people
- Sponsor
- Brigham and Women's Hospital
Colorectal Polyp
Clinical Study on the Accuracy of Real-time AI-assisted Endocytoscopy in the Diagnosis of Colorectal Diminutive Polyps
Colorectal cancer (CRC) is the third most common malignant tumor in the world and the second largest cause of cancer-related death [1].
- Trial name
- NCT06791408
- Where
- China
- Volunteers
- 600 people
- Sponsor
- The First Hospital of Jilin University
Minor Intra-uterine Abnormalities
The Impact of Treating Minor Uterine Cavity Abnormalities Diagnosed by Office Hysteroscopy in Unselected In Vitro Fertilization (IVF) Cases
This is a comparative, controlled trial to evaluate the impact of treating undetected, asymptomatic, predefined minor uterine cavity abnormalities on the success of IVF treatment.
- Trial name
- NCT00830401
- Testing
- Treatment of predefined abnormality by hysteroscopic surgery, Ofloxacinum/Doxycycline
- Where
- Netherlands
- Volunteers
- 700 people, healthy volunteers welcome
- Sponsor
- UMC Utrecht
Familial Adenomatous Polyposis (FAP), Attenuated Familial Adenomatous Polyposis (AFAP)
Familial Adenomatous Poliposys Italian Network (Rete Italiana Poliposi Adenomatosa Familiare)
RIPAF (Rete Italiana Poliposi Adenomatosa Familiare) is a national, multicenter observational registry designed to establish a coordinated Italian network for the management of Familial Adenomatous Polyposis (FAP) and related…
- Conditions
- Familial Adenomatous Polyposis (FAP), Attenuated Familial Adenomatous Polyposis (AFAP), MUTYH-Associated Polyposis (MAP), Non-APC/MUTYH Associated Polyposis (NAMP)
- Trial name
- RIPAF (NCT07461246)
- Where
- Italy
- Volunteers
- 1,500 people
- Sponsor
- Fondazione IRCCS Istituto Nazionale dei Tumori, Milano
Sessile Serrated Adenoma
Prediction of Dysplasia Within Sessile Serrated Polyps Using Endoscopic Imaging; a Prospective Observational Study
Study of endoscopic imaging in the detection of dysplasia within serrated colonic lesions >= 8mm in size
- Trial name
- SERRESH (NCT03100552)
- Testing
- Endoscopic imaging
- Where
- Australia
- Volunteers
- 86 people
- Sponsor
- Western Sydney Local Health District