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ClinicalTrials.gov public records Last synced Oct 23, 2026, 8:48 PM EDT

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Showing 361–384 of 509 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Infections, Intestinal Clear all
Completed No phase listed Observational Accepts healthy volunteers

Problems With Immune Recovery in the Gut Tissue

NCT01460433
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
Genital and rectal swabbing
Procedure
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 23, 2026, 8:48 PM EDT
Not listed No phase listed Observational

Minimally Invasive Surgery: Using Natural Orifice Translumenal Endoscopic Surgery (NOTES)

NCT00531219
View directory record Official record
Conditions
Appendicitis, Cholelithiasis
Interventions
Transgastric Appendectomy, Transgastric Cholecystectomy
Procedure
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2020
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 1, 2018 · Synced Oct 23, 2026, 8:48 PM EDT
Completed Phase 4 Interventional Results available

Probiotics to Promote Intestinal Health

NCT02046512
View directory record Official record
Conditions
Communicable Diseases, Infection, Anti-Infective Agents, Therapeutic Uses, Pharmacologic Actions
Interventions
Probiotic, Placebo
Dietary Supplement · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 4, 2022 · Synced Oct 23, 2026, 8:48 PM EDT
Completed Phase 1 Interventional

MS-275 in Treating Patients With Advanced Solid Tumors or Lymphoma

NCT00020579
View directory record Official record
Conditions
Cancer
Interventions
entinostat
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2008
U.S. locations
3
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 15, 2012 · Synced Oct 23, 2026, 8:48 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Anal Cytology Collection Procedures in Predicting High-Grade Anal Dysplasia in Men Who Have Sex With Men

NCT02816879
View directory record Official record
Conditions
Anal Carcinoma, HIV Infection, Human Papillomavirus Infection
Interventions
Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis
Procedure · Other
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
415 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2028
U.S. locations
3
States / cities
Los Angeles, California • Palm Springs, California
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 23, 2026, 8:48 PM EDT
Completed Phase 3 Interventional Results available

Safety and Tolerability of Crofelemer for HIV-Associated Diarrhea

NCT01374490
View directory record Official record
Conditions
HIV Enteropathy, Diarrhea With HIV
Interventions
Crofelemer
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
21
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Bakersfield, California + 16 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2020 · Synced Oct 23, 2026, 8:48 PM EDT
Completed Phase 1 Interventional

FT500 as Monotherapy and in Combination With Immune Checkpoint Inhibitors in Subjects With Advanced Solid Tumors

NCT03841110
View directory record Official record
Conditions
Advanced Solid Tumors, Lymphoma, Gastric Cancer, Colorectal Cancer, Head and Neck Cancer, Squamous Cell Carcinoma, EGFR Positive Solid Tumor, HER2-positive Breast Cancer, Hepatocellular Carcinoma, Small Cell Lung Cancer, Renal Cell Carcinoma, Pancreas Cancer, Melanoma, NSCLC, Urothelial Carcinoma, Cervical Cancer, Microsatellite Instability, Merkel Cell Carcinoma
Interventions
FT500, Nivolumab, Pembrolizumab, Atezolizumab, Cyclophosphamide, Fludarabine, IL-2
Drug
Lead sponsor
Fate Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
4
States / cities
San Diego, California • Minneapolis, Minnesota • Hackensack, New Jersey + 1 more
Source: ClinicalTrials.gov public record
Updated May 1, 2023 · Synced Oct 23, 2026, 8:48 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Dose-Finding Study of Lyophilized Shigella Sonnei 53G Challenge Strain

NCT02816346
View directory record Official record
Conditions
Healthy
Interventions
Shigella sonnei 53G
Biological
Lead sponsor
PATH
Other
Eligibility
18 Years to 49 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 3, 2019 · Synced Oct 23, 2026, 8:48 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Evaluating the Effects of a Fermented Diet on Microbiome Diversity in Individuals With Long COVID

NCT06560554
View directory record Official record
Conditions
Long COVID
Interventions
Fermented foods, Control
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 23, 2026, 8:48 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers

Safety and Efficacy Challenge Study of CVD 1208S, a Live, Attenuated Oral Vaccine to Prevent Shigella: Phase IIb

NCT00866242
View directory record Official record
Conditions
Shigella
Interventions
CVD 1208S, Challenge strain of wild-type Shigella flexneri 2a
Biological
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 29, 2021 · Synced Oct 23, 2026, 8:48 PM EDT
Terminated Phase 1 Interventional Results available

Nivolumab and Ipilimumab in Treating Patients With HIV Associated Relapsed or Refractory Classical Hodgkin Lymphoma or Solid Tumors That Are Metastatic or Cannot Be Removed by Surgery

NCT02408861
View directory record Official record
Conditions
Advanced Malignant Solid Neoplasm, Anal Carcinoma, HIV Infection, Kaposi Sarcoma, Lung Carcinoma, Metastatic Malignant Solid Neoplasm, Recurrent Classic Hodgkin Lymphoma, Refractory Classic Hodgkin Lymphoma, Unresectable Solid Neoplasm, HIV-associated Cancers
Interventions
Biospecimen Collection, Bone Marrow Biopsy, Computed Tomography, Ipilimumab, Nivolumab, Positron Emission Tomography
Procedure · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2024
U.S. locations
32
States / cities
La Jolla, California • Los Angeles, California • Sacramento, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Oct 23, 2026, 8:48 PM EDT
Completed Phase 4 Interventional Results available

Study Comparing Tigecycline Versus Ceftriaxone Sodium Plus Metronidazole in Complicated Intra-abdominal Infection

NCT00195351
View directory record Official record
Conditions
Appendicitis, Cholecystitis, Cross Infection, Diverticulitis, Peritonitis
Interventions
tigecycline, ceftriaxone sodium + metronidazole
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years and older
Enrollment
467 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
46
States / cities
Mobile, Alabama • Laguna Hills, California • Los Angeles, California + 38 more
Source: ClinicalTrials.gov public record
Updated Feb 25, 2013 · Synced Oct 23, 2026, 8:48 PM EDT
Not listed No phase listed Observational

Therapeutic Endoscopic Ultrasound for Gastrointestinal Disorders: A Multicenter Registry Study

NCT05051358
View directory record Official record
Conditions
Therapeutic Endoscopic Ultrasound, Advanced Endoscopy, Therapeutic Endoscopy, Interventional Endoscopy, Interventional Endoscopic Ultrasound, Gastro-Intestinal Disorder, Gastrointestinal Disease, Gastrointestinal Cancer, Gastrointestinal Dysfunction, Gastrointestinal Fistula, Gastrointestinal Infection, Gastrointestinal Injury, Pancreatic Disease, Bile Duct Diseases
Interventions
Therapeutic Endoscopic Ultrasound
Procedure
Lead sponsor
Advanced Endoscopy Research, Robert Wood Johnson Medical School Rutgers University
Other
Eligibility
Not listed
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated May 26, 2023 · Synced Oct 23, 2026, 8:48 PM EDT
Completed No phase listed Observational

Risk Factors for Gastric Disease in Pediatric Helicobacter Pylori (H. Pylori)

NCT00212225
View directory record Official record
Conditions
Helicobacter Infections, Gastritis, Peptic Ulcer
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
6 Months to 18 Years
Enrollment
755 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2007
U.S. locations
3
States / cities
Miami, Florida • Atlanta, Georgia • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 13, 2010 · Synced Oct 23, 2026, 8:48 PM EDT
Completed Phase 1 Interventional

Rebeccamycin Analog and Cisplatin With or Without Filgrastim in Treating Patients With Advanced Cancer

NCT00004189
View directory record Official record
Conditions
Lymphoma, Small Intestine Cancer, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
filgrastim, becatecarin, cisplatin
Biological · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
3
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Feb 11, 2013 · Synced Oct 23, 2026, 8:48 PM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Induction of Gut Permeability by an Oral Vaccine

NCT04083950
View directory record Official record
Conditions
Intestinal Permeability, Inflammation, Vaccine, Typhoid Fever
Interventions
Vivotif Typhoid Oral Vaccine, Aspirin (Positive Control)
Biological · Drug
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
18 Years to 49 Years · Female only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Nov 24, 2025 · Synced Oct 23, 2026, 8:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Human Challenge Model Refinement With Enterotoxigenic Escherichia Coli Strain B7A

NCT02773446
View directory record Official record
Conditions
Healthy Volunteer
Interventions
ETEC strain B7A (O148:H28 CS6+ LT+ST+) (Lot 0481) in Buffer
Biological
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 50 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 6, 2018 · Synced Oct 23, 2026, 8:48 PM EDT
Completed Not applicable Interventional Results available

Probiotics and Antibiotic Associated Diarrhea in Pediatric Complicated Appendicitis

NCT04529980
View directory record Official record
Conditions
Appendicitis, Appendicitis; Perforation
Interventions
Lactobacillus rhamnosus GG (LGG) Probiotic, Placebo
Dietary Supplement
Lead sponsor
Children's Health
Other
Eligibility
4 Years to 18 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 13, 2024 · Synced Oct 23, 2026, 8:48 PM EDT
Terminated Phase 1 Interventional

Study of PF-07265807 in Participants With Metastatic Solid Tumors.

NCT04458259
View directory record Official record
Conditions
Neoplasm Metastasis
Interventions
PF-07265807, Sasanlimab, Axitinib
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
25
States / cities
Fayetteville, Arkansas • Rogers, Arkansas • Springdale, Arkansas + 9 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 23, 2026, 8:48 PM EDT
Terminated Phase 1 Interventional

Oxaliplatin, Ifosfamide and Etoposide in Treating Young Patients With Recurrent or Refractory Solid Tumors or Lymphoma

NCT00101205
View directory record Official record
Conditions
Angioimmunoblastic T-cell Lymphoma, B-cell Childhood Acute Lymphoblastic Leukemia, B-cell Chronic Lymphocytic Leukemia, Childhood Burkitt Lymphoma, Childhood Diffuse Large Cell Lymphoma, Childhood Grade III Lymphomatoid Granulomatosis, Childhood Immunoblastic Large Cell Lymphoma, Childhood Nasal Type Extranodal NK/T-cell Lymphoma, Hepatosplenic T-cell Lymphoma, Intraocular Lymphoma, Noncutaneous Extranodal Lymphoma, Peripheral T-cell Lymphoma, Recurrent Childhood Acute Lymphoblastic Leukemia, Recurrent Childhood Anaplastic Large Cell Lymphoma, Recurrent Childhood Grade III Lymphomatoid Granulomatosis, Recurrent Childhood Large Cell Lymphoma, Recurrent Childhood Lymphoblastic Lymphoma, Recurrent Childhood Small Noncleaved Cell Lymphoma, Recurrent Cutaneous T-cell Non-Hodgkin Lymphoma, Recurrent Mycosis Fungoides/Sezary Syndrome, Recurrent/Refractory Childhood Hodgkin Lymphoma, Refractory Chronic Lymphocytic Leukemia, Refractory Hairy Cell Leukemia, Small Intestine Lymphoma, T-cell Childhood Acute Lymphoblastic Leukemia, T-cell Large Granular Lymphocyte Leukemia, Unspecified Childhood Solid Tumor, Protocol Specific
Interventions
oxaliplatin, etoposide
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Up to 21 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2004
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 24, 2014 · Synced Oct 23, 2026, 8:48 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Impact of Proton Pump Inhibitors on the Fecal Microbiome

NCT01822977
View directory record Official record
Conditions
Healthy, Clostridium Difficile Infection
Interventions
omeprazole
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 20, 2014 · Synced Oct 23, 2026, 8:48 PM EDT
Recruiting No phase listed Observational

The GAstric Precancerous Conditions Study

NCT04191551
View directory record Official record
Conditions
Gastric Cancer, Intestinal Metaplasia of Gastric Mucosa, Helicobacter Pylori Infection, Atrophic Gastritis
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
35 Years to 84 Years
Enrollment
600 participants
Timeline
2018 – 2028
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Oct 23, 2026, 8:48 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Prognostic Indicators as Provided by the EPIC ClearView

NCT01476995
View directory record Official record
Conditions
Coronary Artery Disease, Congestive Heart Failure, Valvular Heart Disease, Atrial Fibrillation, Hypertension, Pyelonephritis, Acute Renal Failure, Renal Failure, Viral Hepatitis, Alcoholic Hepatitis, Steatohepatitis, Cirrhosis, Asthma, COPD, Bronchitis, Emphysema, Pneumonia, Inflammatory Bowel Disease, Crohn's Disease, Ulcerative Colitis, Diverticulitis, Peptic Ulcer Disease, Irritable Bowel Syndrome, Cholecystitis, Pancreatitis, Malabsorption Disorders, Celiac Sprue, Diabetes
Interventions
Not listed
Lead sponsor
Epic Research & Diagnostics, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
353 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 22, 2011 · Synced Oct 23, 2026, 8:48 PM EDT
Completed No phase listed Observational

Imaging of Radiolabeled White Blood Cells in Patients With Non-Hodgkin's Lymphoma

NCT00897923
View directory record Official record
Conditions
Lymphoma, Small Intestine Cancer
Interventions
radionuclide imaging, indium In 111-labeled autologous peripheral blood mononuclear cells, indium In 111-labeled autologous polymorphonuclear leukocytes
Procedure · Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 120 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2012
U.S. locations
2
States / cities
Iowa City, Iowa • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 22, 2017 · Synced Oct 23, 2026, 8:48 PM EDT