New hope for celiac sufferers: drug targets stubborn symptoms despite Gluten-Free diet
NCT ID NCT07298343
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests an oral drug called ZED1227 in 356 adults with celiac disease who still have symptoms like stomach pain and bloating even after following a gluten-free diet for at least a year. Participants will receive either the drug or a placebo for several weeks to see if symptoms improve. The goal is to find a treatment that helps when diet alone isn't enough.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- ZED1227 (an oral drug)
- What this could lead to
- If successful, this could provide a new treatment option for celiac disease patients who still have symptoms even on a strict gluten-free diet.
- What could go wrong
- This is a Phase 2 trial, so it's still early. The drug may not prove effective or could have side effects. Results may not apply to all celiac patients.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 356 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2024
- Expected to finish
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Aug 2027
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 80 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Signed informed consent * Men or women between 18 and 80 years of age, inclusively * Documented initial biopsy-proven diagnosis of celiac disease or, in case of missing histological documentation, TG2-IgA \> 10 x upper limit of normal (ULN) at diagnosis at least 12 months prior to V0 * Adherence to a gluten-free diet (GFD) for at least 12 months prior to V0 * Human leukocyte antigen DQ (HLA-DQ) typing compatible with celiac disease Exclusion Criteria: * Presence of hypo- or hyperthyroidism. A patient with a well-controlled thyroid disorder during the previous 3 months can be included * Patients diagnosed to have confirmed refractory celiac disease type I (RCDI) or II (RCDII), with the exception that patients with a diagnosis of RCDI can be considered for inclusion if they do not have clear signs of T cell monoclonality or atypical T cells (e.g., as revealed by CD3/CD8 immunohistochemistry) and if they do not present with very severe symptoms and/or parameters of significant malabsorption and if they have not received prior treatment with immunosuppressants such as budesonide or azathioprine, * Severe complications of celiac disease * Concomitant diseases of the intestinal tract in addition to celiac disease, such as Crohn's disease, ulcerative colitis, other forms of inflammatory bowel disease, severe irritable bowel syndrome, microscopic colitis, small intestinal bacterial overgrowth (SIBO), exocrine pancreatic insufficiency; any other active diseases of the intestinal tract (e.g., active, untreated peptic ulcer, esophagitis, gastroesophageal reflux disease) that might, in the investigator's opinion, interfere with assessment of symptoms of abdominal pain, diarrhoea, or other components of celiac disease * History or presence of dermatitis herpetiformis
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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University Medical Center Mainz
RECRUITINGMainz, Germany
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Enzyme pill tested to calm celiac gut symptoms
- One bite of gluten: scientists track the immune alarm in celiac disease
- Could A2 milk ease gut symptoms in teens with celiac disease?
- Could a daily glass of kefir soothe celiac gut troubles?
- Could a lesson in Gluten-Free eating boost Kids' health?