Clinical Trials Browser

Observational × Gastrointestinal × Clear all

NCT02863107 2026-04-16

Young-Onset Colorectal Cancer

Active not recruiting

Gastrointestinal

Colonic Neoplasms, Rectal Neoplasms, Colorectal Neoplasms

NCT04943484 2026-04-16

iGreenGO

Gastrointestinal

Stomach Neoplasms

NCT05623150 2026-04-16

CHALNA2

Gastrointestinal

Carcinoma, Hepatocellular, Liver Cirrhosis, Non-alcoholic Fatty Liver Disease

NCT06898996 2026-04-16

FITting Non-invasive Tests in Lynch Syndrome Surveillance

Gastrointestinal

Colorectal Neoplasms, Hereditary Nonpolyposis, Colorectal Neoplasms

NCT07328516 2026-04-16

Natural History Study of Early Life Exposures in Agriculture (ELEA)

Enrolling by invitation

64,277 enrolled

BreastDermatologicGastrointestinalGenitourinaryOther hematologic neoplasm

Breast Neoplasms, Leukemia, Melanoma, Prostatic Neoplasms, Colorectal Neoplasms

NCT07533357 2026-04-16

Tpex Subsets in Negative Tumor Draining Lymph Nodes for Predicting the Efficacy of PD 1 Inhibitors in Advanced or Recurrent Esophageal Squamous Cell Carcinoma

Not yet recruiting

Gastrointestinal

Esophageal Squamous Cell Carcinoma, Esophageal Neoplasms

NCT07535125 2026-04-16

IPEX

Not yet recruiting

Gastrointestinal

Exocrine Pancreatic Insufficiency

NCT03449914 2026-04-15

GOLD

Active not recruiting

Gastrointestinal

Elderly Metastatic Colorectal Cancer Patients

NCT03451370 2026-04-15

COBRA

Active not recruiting

Gastrointestinal

Elderly Metastatic Colorectal Cancer Patients

NCT05143619 2026-04-15

Impact of "Teaching the Teachers" Concept on Global Education and Application of Hepatocellular Carcinoma Diagnosis Guidelines

Gastrointestinal

Carcinoma, Hepatocellular

NCT06117891 2026-04-15

REFINE-IO

Gastrointestinal

Unresectable Hepatocellular Carcinoma

NCT06831669 2026-04-15

Metabolomics to Predict Treatment Response and Toxicities in Rectal Cancer

Gastrointestinal

Rectal Neoplasms

NCT07036978 2026-04-15

Metabolomic and Immune-Microbiome Profiling for Unresectable Pancreatic Cancer

Not yet recruiting

Gastrointestinal

Pancreatic Ductal Adenocarcinoma (PDAC)

NCT07312526 2026-04-15

Shanghai Clinical Cohort - Esophageal Cancer

Gastrointestinal

Esophageal Neoplasms

NCT00001823 2026-04-14

Evaluation for NCI Surgery Branch Clinical Research Protocols

DermatologicGastrointestinalGenitourinaryThoracic

Urinary Bladder Neoplasms, Lung Neoplasms, Melanoma, Neoplasms, Colorectal Neoplasms

NCT00034216 2026-04-14

Collection of Blood From Patients With Cancer

BreastGastrointestinalGenitourinaryThoracic

Breast Neoplasms, Colonic Neoplasms, Liver Neoplasms, Lung Neoplasms, Neoplasms, Prostatic Neoplasms

NCT00068003 2026-04-14

Harvesting Cells for Experimental Cancer Treatments

Enrolling by invitation

BreastDermatologicGastrointestinalThoracic

Breast Neoplasms, Carcinoma, Non-Small-Cell Lung, Gastrointestinal Neoplasms, Melanoma, Neoplasm Metastasis, Neoplasms

NCT00260559 2026-04-14

Outcomes After Esophagectomy With a Focus on Minimally Invasive Esophagectomy and Quality of Life

Gastrointestinal

Esophageal Neoplasms

NCT00260585 2026-04-14

Esophageal Cancer Risk Registry

Gastrointestinal

Esophageal Achalasia, Esophageal Diseases, Esophageal Neoplasms, Gastroesophageal Reflux, Hernia, Hiatal

NCT02595957 2026-04-14

Genomic Services Research Program

BreastGastrointestinal

Breast Neoplasms, Colonic Neoplasms

NCT04145141 2026-04-14

National Translational Science Network of Precision-based Immunotherapy for Primary Liver Cancer

Active not recruiting

Gastrointestinal

Carcinoma, Hepatocellular, Liver Neoplasms, Cholangiocarcinoma

NCT04181333 2026-04-14

Safety and Efficacy of Trastuzumab BS

8 enrolled 8 charts

Gastrointestinal

Stomach Neoplasms

NCT04557969 2026-04-14

Surgery in Gastrointestinal Stromal Tumors (GISTs) for Treatment, Tumor Modeling, and Genomic Analysis

GastrointestinalSarcoma

Stomach Neoplasms, Gastrointestinal Stromal Tumors

NCT04600466 2026-04-14

Molecular and Epidemiological Risk Factors in the Development of Gastric Cancer

Gastrointestinal

Stomach Neoplasms

NCT04610086 2026-04-14

CyDESA

Gastrointestinal

Colorectal Neoplasms, Patient Satisfaction

NCT06960889 2026-04-14

A Retrospective Clinical Study Exploring Prognostic Factors in Esophageal Cancer Patients

Active not recruiting

Gastrointestinal

Esophageal Neoplasms

NCT07265544 2026-04-14

Single-cell Multiomics and Spatiotemporal Omics Analyze the Mechanism of Liver Degenerative Disease

Gastrointestinal

Liver Cirrhosis, Liver Neoplasms

NCT07527832 2026-04-14

An Observational Study to Learn About the Medicine - BEVACIZUMAB BS [Pfizer] in Colorectal Cancer Patients From Japan.

Not yet recruiting

Gastrointestinal

Hemorrhage, Colorectal Neoplasms

NCT07528131 2026-04-14

StomachCancer

Gastrointestinal

Stomach Neoplasms

NCT07528430 2026-04-14

Signature Development and Validation Protocol for an Epigenetic Assay in Diagnosing Pancreatic Cancer

Not yet recruiting

Gastrointestinal

Neoplasm Metastasis, Pancreatic Neoplasms

NCT07529301 2026-04-14

Functional and Respiratory Predictors of Early Postoperative Outcomes

Gastrointestinal

Colorectal Neoplasms

NCT07529626 2026-04-14

MIND-PANC

Not yet recruiting

Gastrointestinal

Pancreatic cancer, adult, Anxiety Disorders, Depression, Pancreatic Neoplasms, Disease Progression

NCT01822444 2026-04-13

ANGIOPREDICT. ICORG 12-16, V3

Gastrointestinal

Colonic Neoplasms, Rectal Neoplasms, Colorectal Neoplasms

NCT02394834 2026-04-13

An Exploratory Study of Treatment Sensitivity and Prognostic Factors in a Efficacy and Safety Study of mFOLFOX6 + Bevacizumab Versus mFOLFOX6 + Panitumumab Therapy in Patients With Chemotherapy-naïve Unresectable Advanced or Recurrent Colorectal Cancer

Active not recruiting

Gastrointestinal

Colorectal Neoplasms

NCT03250078 2026-04-13

A Pancreatic Cancer Screening Study in Hereditary High Risk Individuals

Gastrointestinal

Neoplasms, Pancreatic Neoplasms

NCT03699111 2026-04-13

COLOSSUS

Gastrointestinal

Advanced Colorectal Cancer

NCT03937453 2026-04-13

PANDOME

Gastrointestinal

Diabetes Mellitus, Neoplasms, Pancreatic Neoplasms

NCT04314401 2026-04-13

National Cancer Institute "Cancer Moonshot Biobank"

Active not recruiting

BreastDermatologicGastrointestinalGenitourinaryGynecologicOther hematologic neoplasmPlasma cellThoracic

Carcinoma, Non-Small-Cell Lung, Esophageal Neoplasms, Fallopian Tube Neoplasms, Lung Neoplasms, Melanoma, Multiple Myeloma, Ovarian Neoplasms, Prostatic Neoplasms, Stomach Neoplasms, Colorectal Neoplasms, Leukemia, Myeloid, Acute, Small Cell Lung Carcinoma, Triple Negative Breast Neoplasms

NCT04406831 2026-04-13

The Role of MicroRNA in the Diagnosis, Prognosis and Response to Treatment in Pancreatic Cancer

Gastrointestinal

Neoplasms, Pancreatic Neoplasms

NCT04955808 2026-04-13

Biospecimen Collection in Identifying Genetic Changes in Patients With Breast, Prostate, Colorectal, Liver, or Kidney Cancer or Multiple Myeloma Undergoing Surgery

BreastGastrointestinalGenitourinaryPlasma cell

Breast Neoplasms, Carcinoma, Renal Cell, Colonic Neoplasms, Carcinoma, Hepatocellular, Multiple Myeloma, Prostatic Neoplasms

NCT05461430 2026-04-13

TraveraRTGx

BreastDermatologicEndocrineGastrointestinalGenitourinaryGynecologicHead & NeckOther solid neoplasmSarcomaThoracic

Anus Neoplasms, Appendiceal Neoplasms, Ascites, Urinary Bladder Neoplasms, Breast Neoplasms, Carcinoma, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell, Uterine Cervical Neoplasms, Colonic Neoplasms, Esophageal Neoplasms, Carcinoma, Hepatocellular, Laryngeal Neoplasms, Lung Neoplasms, Melanoma, Mesothelioma, Mouth Neoplasms, Nasopharyngeal Neoplasms, Neoplasms, Unknown Primary, Oropharyngeal Neoplasms, Ovarian Neoplasms, Pancreatic Neoplasms, Penile Neoplasms, Stomach Neoplasms, Thymoma, Vulvar Neoplasms, Pleural Effusion, Malignant, Carcinoma, Neuroendocrine, Cholangiocarcinoma, Carcinoma, Small Cell, Carcinoma, Pancreatic Ductal, Gastrointestinal Stromal Tumors

NCT05666271 2026-04-13

Radiofrequency Ablation for Hepatocellular Carcinoma Using Octopus MP Electrodes

Active not recruiting

Gastrointestinal

Carcinoma, Hepatocellular

NCT06791395 2026-04-13

Real-time AI-assisted Endocyroscopy for the Diagnosis of Colorectal Lesions

Gastrointestinal

Colorectal Neoplasms

NCT07404228 2026-04-13

RESTAGE

Not yet recruiting

Gastrointestinal

Rectal Neoplasms

NCT07444905 2026-04-13

Prospective Evaluation of a Locked Risk-Stratified Surveillance Strategy for Extrahepatic Metastasis in Hepatocellular Carcinoma

Active not recruiting

Gastrointestinal

Carcinoma, Hepatocellular

NCT07501845 2026-04-13

Registry Maastro Applicator

Gastrointestinal

Rectal Neoplasms

NCT07522320 2026-04-13

EconROGCAS

Active not recruiting

Gastrointestinal

Stomach Neoplasms

NCT07522762 2026-04-13

Long-term Survivorship Challenges of Advanced/Metastatic GIST Patients Responding to Tyrosine Kinase Inhibitor Treatment: an Observational Study

GastrointestinalSarcoma

Neoplasm Metastasis, Gastrointestinal Stromal Tumors

NCT07523035 2026-04-13

Colorectal Adenoma Cohort

Not yet recruiting

Gastrointestinal

Colorectal Neoplasms

NCT07523919 2026-04-13

Functional and Respiratory Determinants of Long-Term Colorectal Cancer Outcomes

Gastrointestinal

Colorectal Neoplasms, Respiratory Aspiration