Condition
Functional Dyspepsia clinical trials and research
As of November 12, 2026, Find a Trial lists 30 Functional Dyspepsia clinical trials that are recruiting, at sites in 15 countries (most in United States (9), China (6), Belgium (3)). 1 was first registered in the last 30 days. By phase: Phase 4 (3), Phase 2/3 (1), Phase 3 (1). The most active sponsors are The Third Affiliated hospital of Zhejiang Chinese Medical University (2), Massachusetts General Hospital (2), Mayo Clinic (2). There are also 6 NIH-funded research projects on Functional Dyspepsia, with $2.2 million in listed awards. Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 30Clinical trials
- 6NIH research projects
- 1New in 30 days
- 15Countries
Newest Functional Dyspepsia clinical trials
All recruiting trials (30)
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Low-FODMAP Diet vs Standard Dietary Advice for Functional Dyspepsia
This study tests whether a low-FODMAP diet helps adults with functional dyspepsia compared with standard dietary advice.
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Pain Reprocessing Therapy for Functional Dyspepsia
A small pilot test to see if a psychological therapy that uses exposure techniques can lessen digestive symptoms and help daily functioning in people with functional dyspepsia.
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Identifying Signatures of Gut Interoception in Functional Dyspepsia and Anorexia Nervosa
This study tests how the gut-brain connection works in people with functional dyspepsia or anorexia nervosa using brain imaging.
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Prevalence and possible role of non-H. pylori Helicobacter species in gastric conditions and cancers
Researchers will test stomach tissue from people with functional dyspeasia, various gastritis conditions, gastric cancer, and bariatric patients to see if non-H. pylori Helicobacter species are present.
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Liver Fat and Scarring in People Suspected of Non-Celiac Wheat Sensitivity
This study looks to see if people with non-celiac wheat sensitivity have liver fat or fibrosis and how this relates to IBS/FD and celiac disease.
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Prevalence of Functional Dyspepsia in a Rural Community in Bangladesh
This study tests how common functional dyspepsia is in a rural Bangladeshi community among adults who live there.
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DA-9701 in functional dyspepsia: see if it helps reduce symptoms
This study tests whether DA-9701 (and related formulations) can help adults with functional dyspepsia feel better compared with placebo.
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Wheat sensitivity or IBS/functional dyspepsia in relatives of people with celiac disease
This project will test whether adults related to celiac patients have higher rates of non-celiac wheat sensitivity or IBS/functional dyspepsia and whether symptoms change on a wheat-free diet.
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Ear acupressure for functional dyspepsia with insomnia
This trial will test whether pressing specific points on the ear can reduce bothersome upper‑abdominal dyspepsia symptoms and improve sleep in adults with functional dyspepsia and insomnia.
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Internet-delivered gut-directed hypnotherapy versus iCBT for stomach pain in children and teens
This trial will test whether online gut-directed hypnotherapy or internet-based cognitive behavioral therapy helps children and adolescents (8–17) with IBS, functional abdominal pain, or functional dyspepsia reduce stomach pain and improve daily life.
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Comparing symptoms in atrophic gastritis and dyspepsia
This project will test whether people with pathologically confirmed chronic atrophic gastritis have different types or severity of dyspepsia symptoms than similar patients without atrophic gastritis.
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Guided imagery therapy app for kids with functional abdominal pain
This study tests a guided imagery therapy app to see if it helps school-age children with functional abdominal pain disorders.
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Probiotic and ginger supplement for symptoms and quality of life in functional dyspepsia
This study will test whether a daily Symbiosys Stomalex supplement (Bacillus coagulans MY01, Bacillus subtilis MY02 and ginger) can reduce symptoms and improve quality of life in adults with functional dyspepsia.
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Press-needle acupuncture on body and ear points for functional dyspepsia
This study tests whether adding press-needle acupuncture on body and ear points to usual medication helps adults with functional dyspepsia have fewer symptoms and better quality of life.
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Bioelectrical impedance comparison of body composition in women with functional dyspepsia and healthy women
This project will use a quick, noninvasive bioelectrical impedance scan to see if women with functional dyspepsia have different fat mass, fat‑free mass, or phase angle compared with healthy women.
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Clostridium butyricum for anxiety and depression in functional dyspepsia
This trial will test whether taking the probiotic Clostridium butyricum for four weeks can reduce anxiety and depression symptoms in adults with functional dyspepsia.
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Amitriptyline versus Trifluoperazine for functional dyspepsia
This trial will test whether adding low‑dose amitriptyline or trifluoperazine to standard treatment helps adults with functional dyspepsia feel better over 8 weeks.
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How different FODMAP diets affect people with IBS and functional dyspepsia
This test will try low FODMAP, gentle FODMAP, and standard dietary advice in adults with IBS or functional dyspepsia to see how they change symptoms, gut bacteria, gut barrier function, and quality of life.
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Personalized neurostimulation for children with gastrointestinal disorders
This study is testing a new treatment that combines personalized nerve stimulation and hypnotherapy to see if it can help children with stomach problems feel better.
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Prokinetics and Body Surface Gastric Mapping in Dyspeptic Patients
This study tests whether using Body Surface Gastric Mapping can help predict which medications will help people with gastroparesis or functional dyspepsia see improvement.
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Budesonide treatment for functional dyspepsia
This study is testing if Budesonide can help people with functional dyspepsia feel better by reducing inflammation in their digestive system.
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Cognitive Behavioral Therapy via Mobile App for Functional Dyspepsia
This study tests if an 8-week mobile app program using cognitive behavioral therapy can help adults with stubborn stomach issues feel better, compared to traditional medications.
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Evaluating the effectiveness of Danning Tablets for digestive symptoms
This study is testing if Danning Tablets can help people aged 18 to 75 feel better from digestive issues like indigestion and bloating while they are already using the medication.
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Electroacupuncture to relieve functional dyspepsia symptoms
This trial will test whether two electroacupuncture frequencies (5 Hz and 100 Hz) help adults aged 18–80 with functional dyspepsia feel better compared with a sham procedure.
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Combining gentle ear vagus nerve stimulation with online support to ease functional dyspepsia
This trial will test whether daily mild ear vagus nerve stimulation plus weekly online support sessions can help adults with functional dyspepsia reduce stomach pain and bothersome fullness.
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Assessing gastric functions in patients with diabetes
This study looks at how diabetes affects stomach function in people with Type 1 and Type 2 diabetes to see if there are any problems and how these issues relate to their overall health.
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Using virtual reality to treat functional dyspepsia symptoms
This study is testing if virtual reality can help people with functional dyspepsia feel better by reducing their stomach symptoms.
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Cognitive Behavioral Therapy for Food Intake Issues in Dyspepsia
This study is testing whether a special kind of therapy delivered online can help adults with functional dyspepsia and food intake issues feel better and improve their eating habits.
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Evaluating the effects of EDL on dyspepsia symptoms
This study is testing whether a natural extract called EDL can help adults with functional dyspepsia feel better compared to a placebo.
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Ketotifen treatment for children with functional dyspepsia and duodenal eosinophilia
This study is testing if ketotifen can help children aged 8 to 17 with stomach issues and high eosinophils feel better when other treatments haven't worked.
NIH-funded research (6)
Early-stage science funded by the US National Institutes of Health. Most of these projects don't enroll patients, but they show what is being worked on.
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Vagus nerve stimulation plus cognitive behavioral therapy to ease functional dyspepsia symptoms
This project combines gentle vagus nerve stimulation with cognitive behavioral therapy to help adults with functional dyspepsia reduce stomach pain, fullness, and related anxiety.
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How different body areas affect the brain-gut connection in people with indigestion
This research explores how stimulating specific body points might improve digestion and brain-gut communication for people experiencing chronic indigestion.
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Exploring the effects of vagal stimulation and therapy on gut-brain interactions in functional dyspepsia
This study is looking at whether using a device that stimulates the vagus nerve along with talking therapy can help people with functional dyspepsia feel better and improve their quality of life.
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Understanding eating problems in adults with functional dyspepsia
This study is looking at the eating challenges faced by adults with functional dyspepsia to understand what makes it hard for them to eat and to test a new program that could help them enjoy a wider variety of foods again.
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Investigating how different acupuncture points affect the gut-brain connection in functional dyspepsia.
This study is looking at how acupuncture might help people with functional dyspepsia by seeing how it affects the brain and stomach, using special imaging techniques to track any changes during treatment.
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Investigating a new treatment for functional dyspepsia
This study is looking at how a new medication called tradipitant can help people with functional dyspepsia, which causes ongoing stomach pain and discomfort, by checking how well it works and how safe it is compared to other treatments.
Related topics
Quick answers
How many Functional Dyspepsia clinical trials are recruiting right now?
30, as of November 12, 2026. 1 of them was first registered in the last 30 days. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 15 countries. The most sites are in United States (9 trials), China (6 trials), Belgium (3 trials), South Korea (2 trials), Bangladesh (2 trials). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 4: 3, Phase 2/3: 1, Phase 3: 1. Trials with no phase listed are usually device, behavioural or observational studies.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.