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Fecal Microbiota Transplantation (FMT) Combined With Calorie-Restricted Diet and Semaglutide in Patients With Obesity and Type 2 Diabetes

13 maja 2026 zaktualizowane przez: Eighth Affiliated Hospital, Sun Yat-sen University

Effects of Comprehensive Intervention With Fecal Microbiota Transplantation Versus Conventional Treatment on Body Weight and Metabolism in Patients With Obesity Complicated by Type 2 Diabetes Mellitus: A Randomized Controlled Trial

Investigation of the efficacy of fecal microbiota transplantation added to calorie-restricted diet and semaglutide versus calorie-restricted diet and semaglutide alone for weight loss and metabolic improvement in patients with moderate to severe obesity and type 2 diabetes mellitus.

Przegląd badań

Status

Jeszcze nie rekrutacja

Warunki

Interwencja / Leczenie

Szczegółowy opis

This study is designed as a single-center, randomized, open-label, parallel-controlled trial. A total of 20 patients with moderate to severe obesity and T2DM (BMI 30-40 kg/m²) whose T2DM duration is less than one year will be enrolled, and randomly assigned to either the intervention group (FMT + ccalorie-restricted diet + semaglutide) or the control group (calorie-restricted diet + semaglutide). The intervention period will be 24 weeks. The primary endpoint is the percentage change in body weight from baseline to post-intervention. Secondary endpoints include the proportion of patients achieving a >5% weight loss, as well as metabolic parameters such as fasting blood glucose, lipid profile, glycated hemoglobin, visceral fat parameters, and gut microbiota diversity (Shannon/Simpson index).

Typ studiów

Interwencyjne

Zapisy (Szacowany)

20

Faza

  • Nie dotyczy

Kontakty i lokalizacje

Ta sekcja zawiera dane kontaktowe osób prowadzących badanie oraz informacje o tym, gdzie badanie jest przeprowadzane.

Kontakt w sprawie studiów

Lokalizacje studiów

  • Chiny
    • Guangdong
      • Shenzhen, Guangdong, Chiny, 518033
        • Eighth Affiliated Hospital, Sun Yat-sen University
        • Kontakt:

Kryteria uczestnictwa

Badacze szukają osób, które pasują do określonego opisu, zwanego kryteriami kwalifikacyjnymi. Niektóre przykłady tych kryteriów to ogólny stan zdrowia danej osoby lub wcześniejsze leczenie.

Kryteria kwalifikacji

Wiek uprawniający do nauki

  • Dorosły

Akceptuje zdrowych ochotników

Nie

Opis

Inclusion Criteria:

  1. Age 18-60 years;
  2. Body mass index (BMI) ≥30 kg/m² and <40 kg/m²;
  3. Duration of type 2 diabetes mellitus <1 year;
  4. Non-smoker or smoking cessation >3 months;
  5. Voluntary signed informed consent with commitment to complete the entire study.

Exclusion Criteria:

  1. Complicated with severe hepatic or renal insufficiency (alanine aminotransferase/aspartate aminotransferase [ALT/AST] >3 times the upper limit of normal, or estimated glomerular filtration rate [eGFR] <60 mL/min/1.73 m²);
  2. Inflammatory bowel disease (IBD), irritable bowel syndrome (IBS), or other organic intestinal diseases; autoimmune diseases, malignancies, or active infections;
  3. Medication and intervention exclusions: Use of α-glucosidase inhibitors, antibiotics, proton pump inhibitors (PPIs), or probiotics/prebiotics within the past 3 months; bariatric surgery within the past 6 months; long-term use of immunosuppressants or glucocorticoids;
  4. Others: Pregnant or lactating women; currently participating in other clinical trials.

Plan studiów

Ta sekcja zawiera szczegółowe informacje na temat planu badania, w tym sposób zaprojektowania badania i jego pomiary.

Jak projektuje się badanie?

Szczegóły projektu

  • Główny cel: Leczenie
  • Przydział: Randomizowane
  • Model interwencyjny: Przydział równoległy
  • Maskowanie: Brak (otwarta etykieta)

Broń i interwencje

Grupa uczestników / Arm
Interwencja / Leczenie
Eksperymentalny: Intervention group
A comprehensive intervention combining fecal microbiota transplantation, calorie-restricted diet, and glucagon-like peptide-1 receptor agonist.
Biologiczny: Fecal microbiota transplantation (FMT)

Donor Selection: Healthy lean donors with BMI <23 kg/m² will be selected following rigorous health screening.

Capsule Preparation: Donor fecal samples will be homogenized, filtered to remove debris, lyophilized, and encapsulated in enteric-coated capsules.

Oral FMT capsule dosage: 10 capsules per dose, once daily, for 6 consecutive days each month.

Inne nazwy:
  • FMT
Lek: Semaglutide (1 Mg Dose)
Semaglutide 1.0 mg subcutaneous injection once weekly
Inne nazwy:
  • Agonista receptora GLP-1
  • glucagon-like peptide-1 receptor agonist
Behawioralne: Calorie-restricted diet
Daily caloric intake will be individualized based on physical activity level: 25 kcal/kg/day for individuals with light-to-moderate physical activity and 30 kcal/kg/day for those with heavy physical activity.
Inne nazwy:
  • CRD
Aktywny komparator: Control group
Conventional treatment with calorie-restricted diet and glucagon-like peptide-1 receptor agonist.
Lek: Semaglutide (1 Mg Dose)
Semaglutide 1.0 mg subcutaneous injection once weekly
Inne nazwy:
  • Agonista receptora GLP-1
  • glucagon-like peptide-1 receptor agonist
Behawioralne: Calorie-restricted diet
Daily caloric intake will be individualized based on physical activity level: 25 kcal/kg/day for individuals with light-to-moderate physical activity and 30 kcal/kg/day for those with heavy physical activity.
Inne nazwy:
  • CRD

Co mierzy badanie?

Podstawowe miary wyniku

Miara wyniku
Opis środka
Ramy czasowe
Percent change in body weight
Ramy czasowe: From enrollment to the end of treatment at 24 weeks
The percentage change in body weight from baseline to follow-up visit (week 24) is presented. Body weight (kg) will be measured using a calibrated electronic scale operated by research personnel who have undergone standardized training.
From enrollment to the end of treatment at 24 weeks

Miary wyników drugorzędnych

Miara wyniku
Opis środka
Ramy czasowe
The proportion of participants achieving ≥5% body weight reduction
Ramy czasowe: From enrollment to the end of treatment at 24 weeks
The percentage of participants who achieved ≥5% weight reduction from baseline to follow-up visit (week 24) is presented. Body weight (kg) will be measured using a calibrated electronic scale operated by research personnel who have undergone standardized training.
From enrollment to the end of treatment at 24 weeks
Change in glycated hemoglobin (HbA1c)
Ramy czasowe: Baseline, Week 12, and Week 24
Change in glycated hemoglobin (HbA1c) from baseline to week 12 and week 24 is presented. HbA1c (%) values will be retrieved from the hospital's electronic medical record system.
Baseline, Week 12, and Week 24
Change in fasting insulin
Ramy czasowe: Baseline, Week 12, and Week 24
Change in fasting insulin from baseline to week 12 and week 24 is presented. Fasting insulin (μU/mL) values will be retrieved from the hospital's electronic medical record system.
Baseline, Week 12, and Week 24
Change in fasting plasma glucose
Ramy czasowe: Baseline, Week 12, and Week 24
Change in fasting plasma glucose from baseline to week 12 and week 24 is presented. Fasting plasma glucose (mmol/L) values will be retrieved from the hospital's electronic medical record system.
Baseline, Week 12, and Week 24
Change in total cholesterol
Ramy czasowe: Baseline, Week 12, and Week 24
Change in total cholesterol from baseline to week 12 and week 24 is presented. Total cholesterol (mmol/L) values will be retrieved from the hospital's electronic medical record system.
Baseline, Week 12, and Week 24
Change in low-density lipoprotein cholesterol
Ramy czasowe: Baseline, Week 12, and Week 24
Change in low-density lipoprotein cholesterol from baseline to week 12 and week 24 is presented. Low-density lipoprotein cholesterol (mmol/L) will be retrieved from the hospital's electronic medical record system.
Baseline, Week 12, and Week 24
Change in high-density lipoprotein cholesterol
Ramy czasowe: Baseline, Week 12, and Week 24
Change in high-density lipoprotein cholesterol from baseline to week 12 and week 24 is presented. High-density lipoprotein cholesterol (mmol/L) will be retrieved from the hospital's electronic medical record system.
Baseline, Week 12, and Week 24
Change in triglycerides
Ramy czasowe: Baseline, Week 12, and Week 24
Change in triglycerides from baseline to week 12 and week 24 is presented. Triglycerides (mmol/L) values will be retrieved from the hospital's electronic medical record system.
Baseline, Week 12, and Week 24
Change in uric acid
Ramy czasowe: Baseline, Week 12, and Week 24
Change in uric acid from baseline to week 12 and week 24 is presented. Uric acid (μmol/L) values will be retrieved from the hospital's electronic medical record system.
Baseline, Week 12, and Week 24
Change in urinary albumin-to-creatinine ratio
Ramy czasowe: Baseline, Week 12, and Week 24
Change in urinary albumin-to-creatinine ratio from baseline to week 12 and week 24 is presented. The albumin-to-creatinine ratio is defined as urinary albumin (mg) divided by urinary creatinine (g). Albumin-to-creatinine ratio (mg/g) values will be retrieved from the hospital's electronic medical record system.
Baseline, Week 12, and Week 24
Change in high-sensitivity C-reactive protein
Ramy czasowe: Baseline, Week 12, and Week 24
Change in high-sensitivity C-reactive protein from baseline to week 12 and week 24 is presented. High-sensitivity C-reactive protein (mg/dL) values will be retrieved from the hospital's electronic medical record system.
Baseline, Week 12, and Week 24
Change in gut microbiota diversity indices
Ramy czasowe: Baseline, Week 12, and Week 24
Change in gut microbiota diversity indices (such as Shannon diversity index and Simpson diversity index) from baseline to week 12 and week 24 is presented. The gut microbiota diversity indices will be derived from metagenomic sequencing data.
Baseline, Week 12, and Week 24
Change in fecal short-chain fatty acid concentrations
Ramy czasowe: Baseline, Week 12, and Week 24
Change in fecal short-chain fatty acid concentrations from baseline to week 12 and week 24 is presented. Fecal short-chain fatty acid concentrations (µmol/g wet feces) will be measured by gas chromatography.
Baseline, Week 12, and Week 24
Change in systolic blood pressure
Ramy czasowe: Baseline, Week 12, and Week 24
Change in systolic blood pressure from baseline to week 12 and week 24 is presented. Systolic blood pressure (mmHg) values will be retrieved from the hospital's electronic medical record system.
Baseline, Week 12, and Week 24
Change in diastolic blood pressure
Ramy czasowe: Baseline, Week 12, and Week 24
Change in diastolic blood pressure from baseline to week 12 and week 24 is presented. Diastolic blood pressure (mmHg) values will be retrieved from the hospital's electronic medical record system.
Baseline, Week 12, and Week 24
Change in body mass index
Ramy czasowe: Baseline, Week 12, and Week 24
Change in body mass index (BMI) from baseline to week 12 and week 24 is presented. BMI is calculated using the formula: BMI = weight (kg) / [height (m)]². Height and weight will be measured using a stadiometer and calibrated electronic scale, respectively, operated by research personnel who have undergone standardized training.
Baseline, Week 12, and Week 24
Change in waist circumference
Ramy czasowe: Baseline, Week 12, and Week 24
Change in waist circumference from baseline to week 12 and week 24 is presented. Waist circumference (cm) will be measured using a non-elastic measuring tape operated by research personnel who have undergone standardized training.
Baseline, Week 12, and Week 24
Change in muscle mass
Ramy czasowe: Baseline, Week 12, and Week 24
Change in muscle mass from baseline to week 12 and week 24 is presented. Muscle mass (kg) will be measured using an InBody body composition analyzer operated by research personnel who have undergone standardized training.
Baseline, Week 12, and Week 24
Change in body fat percentage
Ramy czasowe: Baseline, Week 12, and Week 24
Change in body fat percentage from baseline to week 12 and week 24 is presented. Body fat percentage (%) will be measured using an InBody body composition analyzer operated by research personnel who have undergone standardized training.
Baseline, Week 12, and Week 24
Change in visceral fat area
Ramy czasowe: Baseline, Week 12, and Week 24
Change in visceral fat area from baseline to week 12 and week 24 is presented. Visceral fat area (cm²) will be measured using a bioelectrical impedance analyzer operated by research personnel who have undergone standardized training.
Baseline, Week 12, and Week 24

Współpracownicy i badacze

Tutaj znajdziesz osoby i organizacje zaangażowane w to badanie.

Sponsor

Eighth Affiliated Hospital, Sun Yat-sen University

Daty zapisu na studia

Daty te śledzą postęp w przesyłaniu rekordów badań i podsumowań wyników do ClinicalTrials.gov. Zapisy badań i zgłoszone wyniki są przeglądane przez National Library of Medicine (NLM), aby upewnić się, że spełniają określone standardy kontroli jakości, zanim zostaną opublikowane na publicznej stronie internetowej.

Główne daty studiów

Rozpoczęcie studiów (Szacowany)

30 kwietnia 2026

Zakończenie podstawowe (Szacowany)

30 stycznia 2027

Ukończenie studiów (Szacowany)

30 grudnia 2029

Daty rejestracji na studia

Pierwszy przesłany

9 kwietnia 2026

Pierwszy przesłany, który spełnia kryteria kontroli jakości

13 maja 2026

Pierwszy wysłany (Rzeczywisty)

20 maja 2026

Aktualizacje rekordów badań

Ostatnia wysłana aktualizacja (Rzeczywisty)

20 maja 2026

Ostatnia przesłana aktualizacja, która spełniała kryteria kontroli jakości

13 maja 2026

Ostatnia weryfikacja

1 kwietnia 2026

Więcej informacji

Terminy związane z tym badaniem

Słowa kluczowe

Dodatkowe istotne warunki MeSH

Inne numery identyfikacyjne badania

  • 2025-183-02

Plan dla danych uczestnika indywidualnego (IPD)

Planujesz udostępniać dane poszczególnych uczestników (IPD)?

NIE

Informacje o lekach i urządzeniach, dokumenty badawcze

Bada produkt leczniczy regulowany przez amerykańską FDA

Nie

Bada produkt urządzenia regulowany przez amerykańską FDA

Nie

Te informacje zostały pobrane bezpośrednio ze strony internetowej clinicaltrials.gov bez żadnych zmian. Jeśli chcesz zmienić, usunąć lub zaktualizować dane swojego badania, skontaktuj się z register@clinicaltrials.gov. Gdy tylko zmiana zostanie wprowadzona na stronie clinicaltrials.gov, zostanie ona automatycznie zaktualizowana również na naszej stronie internetowej .

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