Irritable Bowel Syndrome in a Male in his 20’s – Fecal Microbiota Transplantation Case Report
Case presentation: Male in his 20s, irritable bowel syndrome
summary
A CASE OF FMT PERFORMED FOR IRRITABLE BOWEL SYNDROME (+SIBO)
Basic Information
| Patients : | Male in his 20s |
| Attending physician : | Luke’s Ashiya Clinic |
| Medical institution in charge of transplantation : | Luke’s Ashiya Clinic |
Information at the time of initial medical examination
| Disease name : | irritable bowel syndrome |
| At onset : | 14 years old and up |
| Transplant Purpose: To | Tiredness Diarrhea Gas Skin problems (including atopy) |
| Chief complaint : | SINCE ABOUT AGE 14, SHE HAD ABDOMINAL BLOATING, GAS, AND BURPING, AND FELT TENSE THROUGHOUT THE DAY. IT WAS ESPECIALLY BAD UPON WAKING UP, MAKING HIM SLUGGISH AND DIFFICULT TO GET UP. WHEN I WAS A STUDENT, I FORCED MYSELF TO WORK HARD DESPITE THE DISCOMFORT. HE HAD DIARRHEA FREQUENTLY SINCE HE WAS A CHILD. DIAGNOSED WITH IBS AT THE HOSPITAL, CF (4-5 YEARS AGO) SMALL POLYP (+) NOTED AND REMOVED. |
| Medications being taken : | Iribo, Coronel, Biofermin, Mobicol, etc. were ineffective. |
| Medical history : | |
| Background, family history, lifestyle, supplement use, etc : | Grandfather: stomach cancer, diabetes; grandmother: high blood pressure |
Transplant Information
| Transplantation period: from | September 25, 2019 – November 14, 2019 |
| Number of transplants : | 6 times |
| Change from first transplant to end of transplant : |
|
【1st transplantation questionnaire】 【2nd transplantation questionnaire】 【3rd transplantation questionnaire】 【4th transplantation questionnaire】 【5th transplantation questionnaire】 【6th transplantation questionnaire】 |
Intestinal flora balance Comparative data

| Blood test changes : | Conducted twice |
| CHANGE IN POMS2 SCORE : | Conducted twice |
| His/her experience (from the questionnaire) : |
| No reply |
Evaluation and Discussion
| Transplant Evaluation : | Moderate improvement of symptoms |
| Adverse events: No | Nothing |
| Changes after completion of transplant : |
| At the end of the third transplantation, the patient’s abdominal symptoms and skin symptoms improved, and she underwent an additional three transplantations (total of six transplantations). In addition to the same symptoms, she was pleased to see that her hair had become shiny. |
| Transplant General Comments and Discussion : |
| The initial goal of abdominal symptoms was improved, and we believe it was effective. |
… and upwards
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November 03, 2025
Fecal microbiota transplantation results *As of September , 2025
The number of actual fecal microbiota transplants by case in our study group is as follows Case reports by disease You can view case reports by disease from the links below: [Ulcerative Colitis]https://fmt-japan.org/research-activities/fmt-cases-index?tag=uc [Irritable Bowel Syndrome]https://fmt-japan.org/research-activities/fmt-cases-index?tag=ibs [Atopic Allergies]https://fmt-japan.org/research-activities/fmt-cases-index?tag=allergy [Constipation]https://fmt-japan.org/research-activities/fmt-cases-index?tag=constipation [ASD (Autism Spectrum Disorder)]https://fmt-japan.org/research-activities/fmt-cases-index?tag=asd [Other Diseases]https://fmt-japan.org/research-activities/fmt-cases-index?tag=others

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