Clinical trials
Constipation - Functional clinical trials
Below are recruiting constipation - functional clinical trials, each written for real people, not researchers. We’re tracking 155 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07420231Recruiting
Prebiotic and Postbiotic for Digestive Comfort
This trial tests whether taking a prebiotic and a postbiotic together can help reduce intestinal discomfort such as bloating, gas, or stomach pain. If you have ongoing mild to moderate digestive symptoms, this study may offer a new approach to feeling better.
Louvain-la-Neuve, Brabant WallonAges 18–75 - NCT06822582Recruiting
Pelvic health rehab after breast or gynecologic cancer
This trial tests a pelvic health rehabilitation program for people who have had breast or gynecologic cancer. It aims to help with pelvic floor problems like bladder or bowel issues that can start during or after treatment.
Edmonton, AlbertaAges 18 years+ - NCT07397624Recruiting
Stomach stitching for weight loss in endometrial cancer patients
This study tests a new weight-loss procedure called Endoscopic Suture Gastroplasty (ESG) for women with endometrial (uterine) cancer who are obese. The procedure uses a special camera and stitches to make the stomach smaller, helping you lose weight before your cancer surgery.
Aviano, PordenoneAges 21–75 - NCT07375147Recruiting
Comparing two ways to fix a rectocele through the anus or vagina
This trial tests if fixing an anterior rectocele through the anus works just as well as through the vagina. It’s for women who have trouble with bowel movements because of a rectocele that is at least 3 cm and hasn’t gotten better with changes in diet or lifestyle.
Cairo, Al-Manial, Cairo, EgyptAges 18 years+ - NCT07372326Recruiting
Electronic moxibustion for constipation after stroke
This trial tests if a type of heat therapy called electronic moxibustion, timed according to traditional Chinese medicine principles, can help relieve constipation in people who have had a stroke.
Jinhua, ZhejiangAges 30–80 - NCT07355062RecruitingPhase 3
Testing Veverimer for metabolic acidosis in kidney disease
This study tests an oral medicine called Veverimer to see if it safely corrects low bicarbonate levels (metabolic acidosis) in people with chronic kidney disease. It might help you feel better and protect your kidneys.
Chula Vista, CaliforniaAges 18 years+ - NCT03687814Recruiting
Low FODMAP diet plus PEG for IBS with constipation
This study tests whether a low-FODMAP diet combined with PEG 3350 can reduce symptoms in adults with IBS-C (irritable bowel syndrome with constipation). It may help improve bowel habits and abdominal pain, and it checks which people can safely follow the diet and treatment plan.
Ann Arbor, MichiganAges 18 years+ - NCT07339865Enrolling by invitation
Bladder symptoms study for teens moving to adult care
This study looks at how bladder problems, like frequent urination or leaks, affect teenagers and young adults as they switch from pediatric to adult doctors. The goal is to learn what helps you feel better and manage your health.
Ghent, East-FlandersAges 16–25 - NCT05803993Recruiting
Fecal transplant to ease constipation in irritable bowel syndrome
This trial tests whether transferring stool bacteria to the gut (fecal microbiota transplantation) can reduce symptoms of irritable bowel syndrome with constipation. It may help by changing the gut microbiome, but you must meet safety and health requirements.
RomaAges 18 years+ - NCT05803980Recruiting
Fecal transplant to ease IBS diarrhea symptoms
This study tests whether fecal microbiota transplantation (a stool-based treatment to change gut bacteria) can reduce symptoms of irritable bowel syndrome (IBS) that comes with diarrhea. You may be eligible if you’re an adult with diarrhea-predominant IBS and recent colonoscopy results that rule out other intestinal diseases.
RomaAges 18 years+ - NCT06488365Recruiting
Melanoma blood test using a new device (Cytophone)
This trial tests a new, non-invasive device called a liquid biopsy that looks for melanoma cells in your blood. It may help find cancer earlier without needing a needle biopsy.
Madison, WisconsinAges 18–80 - NCT07310264RecruitingPhase 1
Safety study of a new drug for Parkinson's disease
This trial tests a new drug called VT-5006 to see if it is safe for people with Parkinson's disease. It focuses on those who have stomach or bowel issues, like constipation.
LeidenAges 18–80 - NCT07313007Recruiting
Gut bacteria chemicals in fatty liver disease
This study looks at whether the natural chemicals made by your gut bacteria from the food you eat could affect liver fat and health. If you have MASLD (a fatty liver condition), researchers want to measure these gut-produced substances to better understand the disease.
Pierre-BéniteAges 18–80 - NCT07285707Recruiting
Acupuncture and herbs for long COVID
This small study tests whether acupuncture and Chinese herbal medicine can help relieve common long COVID symptoms like fatigue, cough, brain fog, and pain. It might be a good fit if you are struggling with ongoing symptoms after COVID and are looking for a treatment approach that isn't just more medication.
Whittier, CaliforniaAges 18 years+ - NCT07276815Recruiting
OverStitch NXT endoscopic suturing study for obesity
This study tests a new device called the OverStitch NXT system, which is used during an endoscopic sleeve gastroplasty to help people with obesity lose weight by reducing the size of the stomach without surgery. It is for people who meet specific BMI requirements and are committed to making lasting diet changes.
Beijing, China/BeijingAges 18 years+ - NCT05966727Recruiting
Cholestyramine to lower stored pollutants in obese women
This study tests whether cholestyramine can lower blood levels of certain stored environmental pollutants (“POPs”) in women preparing for weight-loss surgery. If it works, it may help reduce pollutant levels that can build up in the body over time.
Nice, Alpes-MritimesAges 18–45 - NCT07275866Recruiting
Probiotic study for people with constipation
This study tests whether a multi-strain probiotic can help relieve constipation. You would stop other constipation treatments and track your symptoms with a daily diary.
LondonAges 18–70 - NCT07276932Recruiting
Acupoint paste for constipation after chemo
This study tests whether applying a special paste to acupoints (specific points on your body) can help relieve constipation and boost energy (qi) in people with colorectal cancer who've had chemotherapy. It's for patients who feel weak and have trouble with constipation after treatment.
Hangzhou, ZhejiangAges 18 years+ - NCT06183697Recruiting
Healthy Korean volunteers multi-omics database study
This study is building a database of genetic and other health information from healthy Korean volunteers. It involves providing samples and answering health questions to help future research.
SeoulAges 13–85 - NCT07252427Recruiting
Gut bacteria in IBD with or without depression
This study looks at how the bacteria in your gut (gut microbiome) may differ between people with IBD who also have depression and those who don't. It aims to help understand the link between gut health and mood.
Jinan, ShandongAges 18 years+ - NCT06388863Recruiting
Fecal transplant for constipation in Parkinson's disease
This study tests whether a treatment called fecal microbiota transplantation (FMT) can help relieve constipation in people with Parkinson's disease. FMT uses healthy donor stool to improve gut bacteria, which may ease constipation and possibly improve Parkinson's symptoms.
Shanghai, Shanghai MunicipalityAges 40–75 - NCT07229014Recruiting
Collagen supplement for quality of life and appetite
This trial tests whether a daily collagen supplement can improve quality of life, appetite, and blood sugar control in overweight adults who feel low energy or have trouble sleeping. You will take the supplement, use a continuous glucose monitor, and complete online surveys.
London, LondonAges 18–65 - NCT07218523RecruitingPhase 3
Bowel cleansing study for children having a colonoscopy
This study tests a bowel-cleansing medicine called PLENVU against another medicine (sodium picosulfate) in children aged 1 to under 18 who need a colonoscopy. The goal is to see which one works better at cleaning the bowel before the procedure.
Edegem, AntwerpAges 1–17 - NCT06934941RecruitingPhase 1
Single dose safety study of NM-101 in healthy men
This trial tests a single dose of a new medication (NM-101) in healthy male volunteers to see how the body handles it and if it's safe. It is a phase 1 study that requires you to be in good health and have no major medical conditions.
SeoulAges 18–60
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Common questions
- Are there clinical trials for constipation - functional?
- Yes. Clin2 currently lists 155 recruiting constipation - functional 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 - functional 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 - functional 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.