Treatment
Fecal Microbiota clinical trials
We’re tracking 105 recruiting studies that include Fecal Microbiota, each written for real people, not researchers, below.
Recruiting studies
- NCT05739825Recruiting
Fecal transplant to change gut bacteria in C. difficile infection
This trial studies whether fecal microbiota transplantation (a procedure that transfers healthy stool bacteria) can change a person’s gut bacteria after repeated C. difficile infection. It may help reduce recurring infections by restoring a healthier balance of gut microbes.
RomaAges 18–90 - NCT07042438RecruitingPhase 2
Fecal transplant to improve CAR T therapy for lymphoma
This study tests whether a fecal transplant (transferring healthy gut bacteria) can improve outcomes for people with certain lymphomas who have taken strong antibiotics and are about to get CAR T-cell therapy (Yescarta). The goal is to see if rebuilding gut bacteria helps the treatment work better.
Duarte, CaliforniaAges 18 years+ - NCT07094984Recruiting
Clearing resistant gut bacteria: three FMT methods
This trial tests three different ways to clear antibiotic-resistant bacteria from your gut using fecal microbiota transplant (FMT). It may help if you have a confirmed resistant infection and are looking for a treatment to reduce the risk of future infections.
WarsawAges 18 years+ - NCT06058520RecruitingEarly Phase 1
Capsule microbiome transplant for hidradenitis suppurativa
This trial tests whether taking capsules containing healthy gut bacteria (fecal microbiota transplant) can help treat hidradenitis suppurativa. You may qualify if you have HS and haven't taken antibiotics in the last 30 days.
Minneapolis, MinnesotaAges 18 years+ - NCT01905709Recruiting
Fecal transplant to treat recurring C. difficile infection
This trial studies using a fecal microbiota transplant (FMT)—healthy gut bacteria moved from a screened donor—to help treat recurring or hard-to-control C. difficile infection. It may help restore a healthier gut environment when standard treatments keep failing or the infection returns.
Englewood, New JerseyAges 18 years+ - NCT07348471Recruiting
Gut bacteria transplant for ICU delirium
This study tests whether giving a transplant of healthy gut bacteria (called fecal microbiota transplantation) can help treat delirium in ICU patients. It may improve brain function by restoring gut health.
WuhanAges 18–80 - NCT07172191Enrolling by invitation
Fecal transplant for adults with blood cancer and infections
This trial tests whether transplanting healthy donor bacteria (fecal microbiota) into the gut can help adults with blood cancers who have stubborn infections, C. diff, or complications after stem cell transplant. It may reduce dangerous germs and improve gut health.
Budapest, BudapestAges Any age - NCT06727877Recruiting
Predicting bowel disease in premature babies using gut bacteria
This study looks at the gut bacteria of premature babies to see if changes can predict a serious bowel condition (ulcero-necrotizing enterocolitis). It aims to use artificial intelligence to help doctors catch it early.
Clermont-FerrandAges Up to 1 day - NCT01868373Enrolling by invitationPhase 1
Fecal transplant study for hard-to-treat C. difficile diarrhea
This Phase 1 study tests defined fecal microbiota (healthy gut bacteria) given to people with C. difficile diarrhea that didn’t go away or came back soon after antibiotics. It may help by restoring a healthier balance of gut bacteria so the infection can stop recurring.
Houston, TexasAges 18 years+ - NCT07704255RecruitingPhase 4
Fecal transplant for stubborn H. pylori infection
This study tries a fecal microbiota transplant (placing healthy donor stool into your gut) to get rid of stubborn H. pylori infection that hasn't been cured by standard treatments. It's for people who have failed several rounds of therapy and have a stomach condition that makes eradication important.
Chengdu, SichuanAges 18–80 - NCT03712722Recruiting
Stool transplant for clostridium difficile infection
This study tests a treatment called fecal microbiota transplantation (FMT), which puts healthy donor stool into your gut to help fight the bacteria that cause clostridium difficile infection. It may help clear the infection and restore your gut's natural balance.
Aarhus NAges 18–99 - NCT02636517Enrolling by invitationPhase 1
Fecal microbiome transplant for repeat C. difficile infection
This Phase 1 study tests whether transferring healthy gut bacteria (a fecal microbiome transplant) can help children with repeated or moderate-to-severe C. difficile infection. It focuses on changing gut bacteria to reduce ongoing infection and symptoms.
Philadelphia, PennsylvaniaAges 3–21 - NCT03983473Recruiting
Testing stool samples to find gut bacteria markers in inflammatory arthritis
This study looks at stool (poop) samples to see whether gut bacteria patterns can help identify certain inflammatory arthritis conditions in people who have Crohn’s disease or axial spondyloarthritis. It’s mainly about matching stool “biomarkers” to diagnoses, which may help doctors recognize these conditions more accurately in the future.
Nancy, LorraineAges 18 years+ - NCT04935684RecruitingPhase 2
Fecal transplant after bone marrow transplant to improve gut health
This Phase 2 study tests whether a fecal microbiota transplant (a processed transplant of gut bacteria) after an allogeneic bone marrow transplant is safe and helpful. Participants may benefit by improving recovery in the gut microbiome during the post-transplant period.
AmiensAges 18 years+ - NCT07509450Recruiting
Fecal transplant study for CAR-T and stem cell transplant patients
This pilot study tests whether giving a fecal microbiota transplant before standard CAR-T therapy (for B-cell lymphoma) or reduced-intensity stem cell transplant (for AML or high-risk MDS) can improve treatment outcomes. It aims to see if restoring gut bacteria helps reduce complications.
Toronto, OntarioAges 18 years+ - NCT05024188Recruiting
Gut bacteria and exercise performance study
This study looks at how the bacteria in your gut might affect your physical fitness and exercise ability. You would need to be a regular exerciser and take some antibiotics as part of the study.
RehovotAges 20–55 - NCT05654753RecruitingPhase 2/Phase 3
Fecal transplant for stubborn axial spondyloarthritis
This trial tests whether transplanting healthy stool bacteria (fecal microbiota transplantation) can reduce symptoms in people with axial spondyloarthritis (including ankylosing spondylitis) who are not improving enough with standard medicines. If you qualify, you may receive study capsules containing processed bacteria and be closely monitored for safety and symptom changes.
Boulogne-BillancourtAges 18–75 - NCT05786404RecruitingPhase 1
Fecal transplant study for people with active ulcerative colitis
This trial tests whether transplanting stool bacteria (called fecal microbiota transplantation, or FMT) can improve symptoms in people with active ulcerative colitis. You may be able to help test a new approach for restoring gut bacteria, while receiving standard ulcerative colitis care from your doctor.
Houston, TexasAges 18 years+ - NCT07846254Recruiting
Daily fiber supplement for a healthy gut
This study tests whether a daily soluble fiber supplement can improve the balance of bacteria in your gut. If you are generally healthy and have normal bowel habits, you may be able to join and help researchers learn more about gut health.
Addison, IllinoisAges 18–60 - NCT03787771Recruiting
Fecal transplant registry for donors and recipients
This is a registry that collects information from adults who either receive fecal microbiota transplant (FMT) or plan to receive it, and from people who have donated—or plan to donate—stool for FMT. It helps researchers understand who participates in these gut-microbiome treatments in real life.
Hong KongAges 18 years+ - NCT07622849Enrolling by invitation
Fecal Microbiota Transplant for Transplant-Related Intestinal Damage
This trial tests whether transferring healthy gut bacteria from a donor to patients can help heal severe intestinal damage that occurs after bone marrow or stem cell transplants. The goal is to reduce pain, inflammation, and other complications from this serious side effect.
Suzhou, JiangsuAges 15–65 - NCT07464392Recruiting
Fecal transplant to prevent infections in severe pancreatitis
This trial tests whether a fecal microbiota transplant (FMT) can help prevent infections in people with moderately severe or severe acute pancreatitis. You may qualify if you are between 18 and 75, have had pancreatitis for 15 to 21 days, and already have a feeding tube in place.
Fuzhou, FujianAges 18–75 - NCT05524649Recruiting
Probiotics for healthy newborns’ poop bacteria balance
This study looks at whether giving probiotics to healthy newborns changes the bacteria in their stool. It may help researchers understand early gut health, but it is only for babies who meet specific health and timing requirements.
Alcaldía Coyoacán, PueblaAges 1 day–3 months - NCT07381374Recruiting
Fecal transplant for children with autism
This trial tests whether fecal microbiota transplantation can help children with moderate-to-severe autism. It involves giving healthy donor bacteria to improve gut health and possibly autism symptoms.
Shenzhen, GuangdongAges 3–16
Common questions
- Are there clinical trials studying Fecal Microbiota?
- Yes. Clin2 currently lists 105 recruiting studies that include Fecal Microbiota, drawn from the U.S. registry and rewritten for real people so you can see what each is testing and who it's for.
- How do I know if I qualify for a Fecal Microbiota trial?
- Each study lists its own eligibility criteria — rules about condition, age, and prior treatments. On every Clin2 trial page we explain these in plain language and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Is Fecal Microbiota an approved treatment?
- A drug being studied in a trial may be investigational (still being tested) or already approved and being studied for a new use. Each study page explains what phase it's in. Clin2 does not provide medical advice — talk with your doctor about whether Fecal Microbiota or a specific trial is right for you.
Related treatments
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. A drug appearing here is being studied in a trial and may be investigational. Talk with your doctor about whether a specific treatment or trial is right for you.