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Fecal Microbiota Transplantation for Type 2 Diabetes Mellitus and Hashimoto's Thyroiditis

23. juli 2026 oppdatert av: Shen Xujun

Efficacy of Fecal Microbiota Transplantation in Improving Metabolic Parameters and Immune Dysregulation in Patients With Concurrent Type 2 Diabetes Mellitus and Autoimmune Thyroid Disease.

The goal of this clinical trial is to learn if fecal microbiota transplantation (FMT) can improve metabolic control and immune function in adults with both type 2 diabetes and Hashimoto's thyroiditis (an autoimmune thyroid disease). It will also learn about the safety of FMT in these patients. The main questions it aims to answer are:

Can FMT lower blood sugar levels (HbA1c, fasting blood glucose, and 2-hour post-meal blood glucose) in participants with type 2 diabetes? Can FMT reduce thyroid autoantibody levels (TPOAb and TgAb) in participants with Hashimoto's thyroiditis? This is a single-arm study, meaning all participants will receive the same FMT treatment. Researchers will compare each participant's results before and after the intervention to see if FMT has an effect.

Participants will:

Complete baseline tests including blood work and stool sample collection during the 2-week screening period Take 40 oral FMT capsules by mouth over about 1.5 hours under medical supervision at the start of the study Keep taking their usual diabetes and thyroid medications at the same dose throughout the study, unless their doctor says otherwise Return for follow-up visits and tests at 12 weeks and 24 weeks after the FMT treatment

Studieoversikt

Status

Har ikke rekruttert ennå

Forhold

Intervensjon / Behandling

Studietype

Intervensjonell

Registrering (Antatt)

38

Fase

  • Fase 4

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

Studer Kontakt Backup

  • Navn: Ling Ling Zhang
  • Telefonnummer: +8619706851581

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Beskrivelse

Inclusion Criteria:

  1. Age ≥ 18 and ≤ 65 years old.
  2. Diagnosed with type 2 diabetes mellitus (T2DM).
  3. Positive for thyroid peroxidase antibody (TPOAb) and thyroglobulin antibody (TgAb); thyroid ultrasonography indicates diffuse thyroid lesions.
  4. The regimens of hypoglycemic drugs and thyroid-related basic treatments (including drug types and dosages) have remained stable for at least 3 months before enrollment.

Exclusion Criteria:

  1. Subjects who have used antibiotics, probiotics or prebiotics within 4 weeks prior to screening.
  2. Patients complicated with severe gastrointestinal diseases (e.g., inflammatory bowel disease, active gastrointestinal bleeding).
  3. Patients receiving specialized treatment for hyperthyroidism (Graves' disease) or with a history of thyroid malignancy.
  4. Patients with severe immunosuppression (neutrophil count < 1500/mm³, lymphocyte count < 500/mm³).
  5. Patients with active severe gastrointestinal bleeding, intestinal perforation, or severe intestinal barrier/mucosal injury.
  6. Patients with intestinal mucosal injury of unknown etiology.
  7. Patients diagnosed with fulminant colitis or toxic megacolon.
  8. Patients with active extraintestinal infection requiring treatment with broad-spectrum antibiotics.
  9. Severe malnutrition (body mass index < 15 kg/m²) or severe hypoalbuminemia (serum albumin < 25 g/L).
  10. Congenital or acquired immunodeficiency diseases.
  11. Patients who have recently received high-risk immunosuppressants or cytotoxic drugs (e.g., rituximab, doxorubicin), or medium-to-high dose glucocorticoids (e.g., prednisone >= 20 mg per day for more than 4 consecutive weeks).
  12. Patients complicated with other autoimmune diseases.
  13. Patients with severe hepatic or renal insufficiency.
  14. Patients with malignant tumors.
  15. Patients with known allergy to capsule ingredients.
  16. Pregnant or lactating females.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: N/A
  • Intervensjonsmodell: Enkeltgruppeoppdrag
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Fecal microbiota transplantation group
All subjects received a single standardized fecal microbiota transplantation (FMT) intervention at Week 0 under unified protocols. After fasting, each subject took 40 standardized fecal microbiota suspension capsules in divided doses within 1.5 hours (2-3 capsules each time, swallowed with warm water).

Hva måler studien?

Primære resultatmål

Resultatmål
Tidsramme
Glycated Hemoglobin(HbA1c)
Tidsramme: baseline,week 12,week 24
baseline,week 12,week 24
Fasting blood glucose
Tidsramme: baseline,week12,week24
baseline,week12,week24
2-hour postprandial blood glucose
Tidsramme: baseline,week12,week24
baseline,week12,week24
Thyroid Peroxidase Antibody(TPOAb)
Tidsramme: baseline,week12,week24
baseline,week12,week24
Thyroglobulin Antibody(TgAb)
Tidsramme: baseline,week12,week24
baseline,week12,week24

Sekundære resultatmål

Resultatmål
Tidsramme
Recovery of characteristic gut microbiota
Tidsramme: baseline,week 12,week 24
baseline,week 12,week 24
Triglycerides
Tidsramme: baseline,week12,week24
baseline,week12,week24
Total cholesterol
Tidsramme: baseline,week12,week24
baseline,week12,week24
Uric acid
Tidsramme: baseline,week12,week24
baseline,week12,week24
Fasting Insulin
Tidsramme: baseline,week12,week24
baseline,week12,week24
Body weight
Tidsramme: baseline,week12,week24
baseline,week12,week24

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Antatt)

1. august 2026

Primær fullføring (Antatt)

1. desember 2027

Studiet fullført (Antatt)

1. desember 2027

Datoer for studieregistrering

Først innsendt

18. juli 2026

Først innsendt som oppfylte QC-kriteriene

23. juli 2026

Først lagt ut (Faktiske)

29. juli 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

29. juli 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

23. juli 2026

Sist bekreftet

1. juli 2026

Mer informasjon

Begreper knyttet til denne studien

Andre studie-ID-numre

  • Zhelvyi Ethics【2026】No.12

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

JA

IPD-planbeskrivelse

The shared individual participant data include baseline demographic data, laboratory indicators, primary and secondary outcome measures collected at Week 12 and Week 24, adverse event records. Raw data will be de-identified to remove all personal identifiable information before sharing.

IPD-delingstidsramme

Start date: After study completion and publication (Week 24 follow-up finished and manuscript published) End date: 5 years after publication

Tilgangskriterier for IPD-deling

Only qualified clinical research investigators may submit formal written data access applications to the principal investigator.

Approved applicants can obtain de-identified individual participant data, study protocol, statistical analysis plan and informed consent form.

Data will be delivered via encrypted electronic files after signing a data use agreement.

Data application requests shall be submitted by email to the principal investigator; there is no dedicated public web portal for online application.

All data access inquiries and completed application documents should be sent to the principal investigator via official email.

IPD-deling Støtteinformasjonstype

  • STUDY_PROTOCOL
  • SEVJE
  • ICF

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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