Clinical trials
Constipation clinical trials
Below are recruiting constipation clinical trials, each written for real people, not researchers. We’re tracking 98 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06221722Recruiting
Brain scan study for treating constipation
This trial uses brain scans to see if doctors can predict how well constipation treatments will work. It is for adults with functional constipation, but only if they have no other digestive problems or medical implants.
Yinchuan, NingxiaAges 18–45 - NCT07039448Recruiting
Acupressure for constipation in adults with mental illness
This trial tests if learning and practicing acupressure on yourself can help relieve constipation in adults who are staying in a psychiatric hospital. You would receive training and practice at home for four weeks.
Tuenmen, New TerritoriesAges 18 years+ - NCT07323407Recruiting
Brain stimulation for hard-to-treat constipation with bodily distress
This trial tests if a gentle electrical current applied to the scalp can improve severe constipation in people who also experience persistent physical symptoms (like pain or bloating) that cause high worry. It is for those who have not gotten relief from standard laxatives.
Xi'an, ShaanxiAges 18–80 - NCT07387952Recruiting
Fecal transplant with nutrition help for chronic constipation
This trial tests if a fecal microbiota transplant combined with nutritional support can improve chronic constipation that hasn't gotten better with standard treatments. It's a small early study to see if the approach is safe and works.
BeijingAges 18–70 - NCT06969872Recruiting
Probiotics for Constipation Relief
This trial tests whether taking probiotics can help relieve constipation in adults. If you have chronic constipation but no serious health issues, you may be able to join.
Taichung, SouthAges 18–75 - NCT06963125Recruiting
Prune juice for constipation in older adults
This study tests whether drinking prune juice can improve bowel movements, reduce constipation symptoms, and enhance quality of life in older adults who have trouble going to the bathroom regularly.
Chiayi City, Chiayi CountyAges 65–100 - NCT06100055Recruiting
Small vs large volume rectal irrigation for constipation
This study compares two different ways of using a water-based treatment (rectal irrigation) to help people with long-term constipation caused by trouble emptying the bowels. It looks at whether using more or less water works better.
LondonAges 18 years+ - NCT06877078Recruiting
Podcast for constipation before surgery
This study tests if listening to a podcast about preventing constipation before surgery can help people who are having back, shoulder, knee, or hip surgery. If you are scheduled for one of these surgeries, you may be able to take part.
SilkeborgAges 18 years+ - NCT07091084Recruiting
Herbal supplements for constipation in cancer survivors
This study tests whether herbal supplements can help cancer survivors who have ongoing constipation. If you finished cancer treatment at least a month ago and have had constipation symptoms for at least 6 months, this trial may be a good fit.
Basking Ridge, New JerseyAges 18 years+ - NCT07713810Recruiting
Can supplements help with constipation? A study on health products
This study tests if certain health and wellness products can improve constipation and related health issues. It compares the active product to a placebo (a dummy product without active ingredients) to see if it really works.
Del Mar, CaliforniaAges 21–105 - NCT07765004Recruiting
Probiotic supplement for constipation relief
This study tests whether a probiotic supplement can improve constipation symptoms like infrequent bowel movements or hard stools. It might help you have more regular, softer stools.
Suzhou, JiangsuAges 18–65 - NCT06298331Recruiting
Aerobic exercise with abdominal massage for chronic constipation
This study tests whether adding aerobic exercise to abdominal massage helps people with chronic constipation. If you have ongoing constipation and haven't tried new treatments recently, you may be eligible.
AnkaraAges 18–65 - NCT04903470Recruiting
Study bowel movement patterns in constipation and healthy adults
This study compares bowel movement patterns in people with chronic constipation versus people without constipation. It may help researchers better understand what’s happening in constipation to guide future care and treatments.
San Diego, CaliforniaAges 21–75 - NCT04838522Recruiting
Prucalopride for constipation in breastfeeding women
This study looks at whether prucalopride (Motegrity/Resotran) can help constipation symptoms in women who are breastfeeding. It also monitors the breastfeeding infant during the study while you follow sample-collection and interview requirements.
La Jolla, CaliforniaAges 18 years+ - NCT04623359Recruiting
Testing a detailed bowel pressure test for hard-to-treat constipation
This study checks whether a “high-resolution manometry” test (a thin tube measuring bowel muscle pressure) helps doctors understand and manage constipation. It’s for adults with long-lasting constipation that has not improved with standard laxatives, and who meet specific safety and colon-testing criteria.
CaenAges 18 years+ - NCT06357897Recruiting
New PEG formula for children with functional constipation
This trial tests a new, better-tasting liquid formula (PEG-based) for children with functional constipation. It aims to see if it works as well as or better than current treatments and if children like the taste more.
BangkokAges 6 months–18 years - NCT07032376Enrolling by invitation
Quick care pathway for chronic constipation
This study tests a faster care plan for people with chronic constipation. It will see if a simplified approach helps patients get the right treatment sooner.
Ann Arbor, MichiganAges 18 years+ - NCT07344402Recruiting
Optimizing ear stimulation for chronic constipation
This study tests whether mild electrical stimulation on the ear (called taVNS) can help people with difficult-to-treat constipation. It aims to find the best stimulation schedule to improve bowel movements.
Xi'anAges Any age - NCT07082673Recruiting
Sea buckthorn supplement for chronic constipation
This study tests a food supplement made from sea buckthorn to see if it helps people with chronic constipation have more regular and comfortable bowel movements.
NaplesAges 18–70 - NCT07083596Recruiting
Fermented milk drink for constipation relief in Filipino adults
This study tests if a special fermented milk drink can help relieve constipation symptoms like hard or lumpy stools. Researchers want to see if it works for adults who have constipation without a known medical cause.
Manila, ManilaAges 18–59 - NCT07462481Recruiting
Probiotic study for constipation relief
This trial tests whether a probiotic can help people with constipation. You may be eligible if you have fewer than 3 bowel movements per week or hard, lumpy stools.
Suzhou, JiangsuAges 18–65 - NCT06571097Recruiting
Levofloxacin for constipation from PIB bacteria
This study tests whether the antibiotic levofloxacin can help people with chronic constipation caused by a specific gut bacteria (PIB). If you have this bacteria and meet the other criteria, you may be able to join this trial to see if the treatment improves your symptoms.
Nanjing, JiangsuAges 18–70 - NCT06534996Recruiting
Chinese Herbal Medicine for Constipation in Older Adults
This trial tests a Chinese herbal medicine formula (SCD-2101) to see if it can help older adults with chronic constipation. It aims to improve bowel movement frequency and comfort without the need for laxatives.
Kowloon TongAges 60 years+ - NCT07300423Recruiting
Parent views on physical activity in kids with constipation
This study asks parents of children with constipation to share their views on their child's physical activity. It aims to understand how physical activity relates to constipation in children.
AlingsåsAges 18 years+
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Constipation trials by city
Studies with a site in or near these metro areas.
Constipation trials by state
Studies with a site anywhere in these states.
Common questions
- Are there clinical trials for constipation?
- Yes. Clin2 currently lists 98 recruiting constipation studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a constipation trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a constipation trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.