Condition
Functional Constipation (FC) clinical trials and research
As of November 12, 2026, Find a Trial lists 6 Functional Constipation (FC) clinical trials that are recruiting, at sites in 4 countries (most in China (3), Italy (1), Taiwan (1)). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 6Clinical trials
- 4Countries
Newest Functional Constipation (FC) clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Fiber supplement plus counseling for constipation during pregnancy | — | Osasco, São Paulo | Recruiting | May 15, 2026 |
| Comparing manual and electroacupuncture for functional constipation | — | Wuhan, Hubei and 1 other locations | Recruiting | Apr 1, 2026 |
| Brain stimulation (tACS) for adults with stubborn constipation and somatic symptom disorder | — | Xi'an, Shaanxi and 1 other locations | Recruiting | Jan 7, 2026 |
| Sea buckthorn supplement to improve bowel function in primary functional constipation | — | Naples | Recruiting | Jul 24, 2025 |
| Probiotics for treating constipation in adults | — | Taichung, South | Recruiting | May 14, 2025 |
| Probiotic treatment for constipation in pregnant women | — | Beijing, Beijing Municipality and 1 other locations | Recruiting | Jan 30, 2025 |
All recruiting trials (6)
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Fiber supplement plus counseling for constipation during pregnancy
A daily fiber supplement (PHGG-based) with vitamin mix and nutrition counseling is being tested to see if it helps pregnant people with functional constipation.
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Comparing manual and electroacupuncture for functional constipation
This trial will try manual acupuncture and electroacupuncture to see which produces more complete spontaneous bowel movements in adults with functional constipation.
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Brain stimulation (tACS) for adults with stubborn constipation and somatic symptom disorder
We will test whether four weeks of gentle brain stimulation (tACS) can improve bowel movements and symptoms in adults with refractory functional constipation and somatic symptom disorder.
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Sea buckthorn supplement to improve bowel function in primary functional constipation
This study will test whether a sea buckthorn (Hippophae rhamnoides) supplement at two different doses helps adults with primary functional constipation have more frequent, softer bowel movements and less bloating.
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Probiotics for treating constipation in adults
This study is testing if a probiotic called ABKefir can help adults with constipation feel better after 8 weeks of treatment.
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Probiotic treatment for constipation in pregnant women
This study tests if a probiotic and a special liquid can help pregnant women with constipation feel better and improve their gut health.
Related topics
Quick answers
How many Functional Constipation (FC) clinical trials are recruiting right now?
6, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 4 countries. The most sites are in China (3 trials), Italy (1 trial), Taiwan (1 trial), Brazil (1 trial). Each study page lists its sites and which ones are recruiting.
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.