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Clinical Research Directory

Browse clinical research sites, groups, and studies.

7 clinical studies listed.

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UC - Ulcerative Colitis

Tundra lists 7 UC - Ulcerative Colitis clinical trials. Each listing includes eligibility criteria, study locations, and direct links to research sites in the Tundra directory.

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NOT YET RECRUITING

NCT07505030

To Evaluate the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Immunogenicity of LYNC-101 for Injection in Healthy Adult Participants

This Phase I study is designed to evaluate the safety, tolerability, pharmacokinetics (PK), pharmacodynamics (PD), immunogenicity, and cytokine profiles of LYNC-101 for Injection in healthy adult participants. The study consists of 2 parts: Part 1 is a single ascending dose (SAD) study and Part 2 is a multiple ascending dose (MAD) study. In Part 1, participants will receive a single intravenous infusion of LYNC-101 for Injection or placebo across sequential ascending dose cohorts. In Part 2, participants will receive intravenous infusions of LYNC-101 for Injection or placebo once every 3 weeks for a total of 3 doses across sequential ascending dose cohorts.

Gender: All

Ages: 18 Days - 60 Days

Updated: 2026-04-01

1 state

UC - Ulcerative Colitis
NOT YET RECRUITING

NCT07502339

An Open-Label, Investigator-Initiated Study Evaluating the Use of Upadacitinib in Patients Hospitalized With Acute Severe Ulcerative Colitis

The goal of this clinical trial is to learn if the oral medication upadacitinib can safely and effectively treat acute severe ulcerative colitis (ASUC) in adults who are hospitalized. It will also evaluate whether upadacitinib can be used without corticosteroids during initial treatment. The main questions it aims to answer are: 1. Does upadacitinib reduce treatment failure by Day 14 (defined as need for colectomy or rescue therapy)? 2. What side effects and safety events occur when using upadacitinib in hospitalized patients with ASUC? Researchers will compare outcomes in participants receiving upadacitinib to a historical group of similar patients previously treated with standard therapies, including intravenous corticosteroids and infliximab, to determine if upadacitinib improves outcomes. Participants will: 1. Take oral upadacitinib once daily during hospitalization. 2. Undergo routine clinical monitoring, including blood tests and symptom assessments. 3. Be followed after discharge with clinic visits or phone calls for up to 12 months to assess outcomes such as need for additional treatment, surgery, and safety events

Gender: All

Ages: 18 Years - 75 Years

Updated: 2026-03-31

1 state

UC - Ulcerative Colitis
RECRUITING

NCT07089420

ALPCO/Calprotectin CLIA Assay: Expected Values of Calprotectin in Healthy Subjects

This study is evaluating the levels of calprotectin, a protein found in stool, in healthy adults. Calprotectin is a marker of inflammation in the intestines and can help doctors tell the difference between inflammatory bowel diseases (IBD), like Crohn's disease or ulcerative colitis, and non-inflammatory conditions like irritable bowel syndrome (IBS). In this study, healthy volunteers aged 22 and older will collect a stool sample at home using a simple kit and mail it to the study site. The samples will be tested using a new laboratory method called the ALPCO Calprotectin CLIA assay. The goal is to confirm what level of calprotectin is considered "normal" in people without intestinal disease. Participation involves just one stool sample, and there are no medical procedures. Volunteers will be compensated for their time. The study will help improve how doctors interpret calprotectin test results in clinical settings.

Gender: All

Ages: 22 Years - Any

Updated: 2026-02-11

1 state

IBD (Inflammatory Bowel Disease)
IBS - Irritable Bowel Syndrome
Crohn Disease (CD)
+1
RECRUITING

NCT06850727

Safety and Efficacy of OD-07656 and of Subsequent Vedolizumab Therapy in Moderately to Severely Active Ulcerative Colitis

The purpose of this study is to evaluate the clinical efficacy and safety of OD-07656 in participants with moderately to severely active ulcerative colitis (UC). In addition, the study will evaluate the potential of OD-07656 to enhance the therapeutic benefit of vedolizumab when given after OD-07656.

Gender: All

Ages: 18 Years - 75 Years

Updated: 2026-02-11

Ulcerative Colitis (UC)
UC - Ulcerative Colitis
RECRUITING

NCT07385131

Prophylactic Dexamethasone Before Infliximab in Moderate-to-Severe IBD

This comparative observational cohort clinical study aims to investigate the necessity of premedication for allergy prevention prior to infliximab injection, and is designed to evaluate whether non-routine administration of dexamethasone before intravenous infusion of infliximab yields greater benefits than routine prophylactic medication in patients with moderate-to-severe inflammatory bowel disease (IBD). This study is designed to optimize the prophylactic strategy prior to Infliximab treatment and advocate for risk stratification-based individualized prophylaxis regimens to avoid hormonal abuse. Additionally, it will construct a risk score using biomarkers to accurately identify high-risk populations in need of prophylaxis and establish a corresponding predictive model. The study is also intended to reduce the use of unnecessary medications, shorten infusion duration and alleviate the medical burden. It is expected to provide targeted clinical support during the early stage of the disease or the course of treatment, improve the efficacy and precision of individualized treatment for patients, and reduce the physical, psychological and economic burdens caused by ineffective treatment.

Gender: All

Ages: 14 Years - 80 Years

Updated: 2026-02-03

1 state

Inflammatory Bowel Disease (IBD)
CD - Crohn's Disease
UC - Ulcerative Colitis
ENROLLING BY INVITATION

NCT06657001

Enabling Microbiomics- Driven Personalized Nutrition

The goal of this observational research study is to determine how diet contributes to various gastrointestinal related conditions. The main question investigators aim to answer is: Are host genetics, diet, and microbiome all important determinants of GI disorders, and how their relative contribution varies among individuals and populations.

Gender: All

Ages: 18 Years - Any

Updated: 2025-06-25

1 state

Inflammatory Bowel Disease (IBD)
Irritable Bowel Syndrome (IBS)
Celiac Disease
+7
RECRUITING

NCT07035041

A Phase 2 Study of D-2570 in Subjects With Moderately to Severely Active Ulcerative Colitis

This study is a multicenter, randomized, double-blind, placebo-controlled clinical trial. The target population is patients with moderately to severely active ulcerative colitis. A total of 120 subjects are planned to be included.

Gender: All

Ages: 18 Years - 70 Years

Updated: 2025-06-24

1 state

UC - Ulcerative Colitis
Moderately to Severely Active Ulcerative Colitis