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Non-Invasive Hepatic and Metabolic Index Changes After Incretin Therapy in Overweight/Obesity (GLP-NIT)

13. Juli 2026 aktualisiert von: Ayse N Erbakan, Goztepe Prof Dr Suleyman Yalcın City Hospital

Early Changes in Non-Invasive Hepatic and Metabolic Indices After Incretin-Based Therapy in Patients With Overweight or Obesity: Real-World Evidence From a Turkish Cohort

This single-center, retrospective observational cohort study evaluated early changes in non-invasive hepatic and metabolic indices (FIB-4, APRI, HSI, and the triglyceride-glucose [TyG] index) in adults with overweight or obesity who received once-weekly subcutaneous semaglutide or tirzepatide for metabolic risk reduction related to metabolic dysfunction-associated steatotic liver disease (MASLD). Baseline and follow-up (minimum 12 weeks) clinical, anthropometric, and laboratory data from 154 patients treated at a single tertiary-care center in Turkey were analyzed. The study assessed whether short-term incretin-based therapy was associated with changes in fibrosis-related indices (FIB-4, APRI) versus steatosis- and insulin resistance-related indices (HSI, TyG), and identified independent predictors of these changes using multivariable linear regression.

Studienübersicht

Status

Abgeschlossen

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

Adults aged 18 years or older with overweight or obesity who were considered at increased metabolic risk for MASLD and who received continuous subcutaneous semaglutide or tirzepatide for at least 12 weeks were retrospectively identified at the internal medicine clinic of a tertiary-care state hospital in Istanbul, Turkey. Patients with significant alcohol consumption, other chronic liver disease etiologies, prior bariatric surgery, recent initiation/dose change of MASLD-relevant medications, concurrent hepatotoxic agent use, or missing baseline/follow-up data were excluded.

Baseline values were defined as the most recent measurements within 4 weeks before treatment initiation; follow-up values were the earliest measurements obtained after at least 12 continuous weeks of therapy. FIB-4, APRI, HSI, and TyG were calculated at both time points. Wilcoxon signed-rank tests compared baseline-to-follow-up changes. Kendall's tau assessed exploratory correlations among change scores; Spearman's rho assessed two prespecified correlations (percentage body-weight change vs. index changes; ΔHbA1c vs. index changes in the diabetic subgroup). Multivariable linear regression (enter method) identified independent predictors of ΔFIB-4, ΔAPRI, ΔHSI, and ΔTyG, adjusting for baseline index value, weight change, follow-up duration, baseline HbA1c, sex, and age.

Agent choice (semaglutide vs. tirzepatide) and dose titration were at the discretion of the treating physician; patients receiving either agent were analyzed together as a drug class, without dose-based stratification, since the study's aim was to characterize the class-level early index response rather than compare individual agents.

Studientyp

Beobachtungs

Einschreibung (Tatsächlich)

154

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienorte

  • Türkei (türkiye)
      • Istanbul, Türkei (türkiye)
        • Facility: Istanbul Medeniyet University, Göztepe Prof. Dr. Süleyman Yalçın City Hospital

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

  • Erwachsene
  • Älterer Erwachsener

Akzeptiert gesunde Freiwillige

Nein

Probenahmeverfahren

Nicht-Wahrscheinlichkeitsprobe

Studienpopulation

Adults with overweight or obesity at increased metabolic risk for MASLD, treated with subcutaneous semaglutide or tirzepatide for at least 12 weeks at a single tertiary-care internal medicine clinic in Turkey; both medications were self-funded (out-of-pocket), as they are not covered by the national health insurance system.

Beschreibung

Inclusion Criteria:

  • Adults aged 18 years or older
  • Overweight (BMI 25.0-29.9 kg/m²) or obesity (BMI ≥30.0 kg/m²)
  • Considered at increased metabolic risk for MASLD (overweight/obesity plus ≥1 additional cardiometabolic risk factor)
  • Continuous treatment with subcutaneous semaglutide or tirzepatide for at least 12 weeks

Exclusion Criteria:

  • Significant alcohol consumption (>30 g/day for men; >20 g/day for women)
  • Chronic liver disease of other etiology (viral hepatitis, autoimmune hepatitis, hemochromatosis, Wilson's disease)
  • Prior bariatric surgery
  • Initiation or dose modification of pioglitazone, SGLT-2 inhibitors, or high-dose vitamin E within 3 months before baseline
  • Concurrent use of known hepatotoxic agents (e.g., amiodarone, methotrexate)
  • Missing clinical, anthropometric, or laboratory data at baseline or follow-up

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

Kohorten und Interventionen

Gruppe / Kohorte
Intervention / Behandlung
Semaglutide
Adults with overweight or obesity at increased metabolic risk for MASLD who received continuous once-weekly subcutaneous semaglutide for at least 12 weeks (n=81). Dose titration was at the treating physician's discretion.
Arzneimittel: Semaglutide
Once-weekly subcutaneous GLP-1 receptor agonist administered for at least 12 weeks; dose individualized and titrated at the treating physician's discretion according to routine clinical practice and patient tolerability.
Andere Namen:
  • Ozempic; Wegovy
Tirzepatide
Adults with overweight or obesity at increased metabolic risk for MASLD who received continuous once-weekly subcutaneous tirzepatide for at least 12 weeks (n=73). Dose titration was at the treating physician's discretion.
Arzneimittel: Tirzepatide
Once-weekly subcutaneous dual GIP/GLP-1 receptor agonist administered for at least 12 weeks; dose individualized and titrated at the treating physician's discretion according to routine clinical practice and patient tolerability.
Andere Namen:
  • Mounjaro; Zepbound

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Change in Fibrosis-4 Index (FIB-4)
Zeitfenster: Baseline and follow-up (median 23.7 weeks; minimum 12 weeks)
FIB-4 = (Age × AST) / (Platelet count × √ALT), calculated at baseline and after ≥12 weeks of therapy.
Baseline and follow-up (median 23.7 weeks; minimum 12 weeks)
Change in AST-to-Platelet Ratio Index (APRI)
Zeitfenster: Baseline and follow-up (median 23.7 weeks; minimum 12 weeks)
APRI = (AST / 40 U/L ULN) / Platelet count × 100, calculated at baseline and after ≥12 weeks of therapy.
Baseline and follow-up (median 23.7 weeks; minimum 12 weeks)
Change in Hepatic Steatosis Index (HSI)
Zeitfenster: Baseline and follow-up (median 23.7 weeks; minimum 12 weeks)
HSI = 8 × (ALT/AST) + BMI + 2 (if type 2 diabetes) + 2 (if female), calculated at baseline and after ≥12 weeks of therapy.
Baseline and follow-up (median 23.7 weeks; minimum 12 weeks)
Change in Triglyceride-Glucose (TyG) Index
Zeitfenster: Baseline and follow-up (median 23.7 weeks; minimum 12 weeks)
yG = ln[fasting triglycerides (mg/dL) × fasting plasma glucose (mg/dL) / 2], calculated at baseline and after ≥12 weeks of therapy.
Baseline and follow-up (median 23.7 weeks; minimum 12 weeks)

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Change in Liver Enzymes
Zeitfenster: Baseline and follow-up (median 23.7 weeks)
AST, ALT, and GGT levels (U/L).
Baseline and follow-up (median 23.7 weeks)
Change in Lipid Profile
Zeitfenster: Baseline and follow-up (median 23.7 weeks)
Total cholesterol, HDL-C, LDL-C, and triglycerides (mg/dL)
Baseline and follow-up (median 23.7 weeks)
Change in Fasting Plasma Glucose
Zeitfenster: Baseline and follow-up (median 23.7 weeks)
Fasting plasma glucose (mg/dL)
Baseline and follow-up (median 23.7 weeks)
Change in Body Weight
Zeitfenster: Baseline and follow-up (median 23.7 weeks)
Body weight (kilograms).
Baseline and follow-up (median 23.7 weeks)
Change in Glycated Hemoglobin (HbA1c)
Zeitfenster: Baseline and follow-up (median 23.7 weeks)
HbA1c (percentage of total hemoglobin, %).
Baseline and follow-up (median 23.7 weeks)
Change in Body Mass Index (BMI)
Zeitfenster: Baseline and follow-up (median 23.7 weeks)
BMI (kg/m^2), calculated from body weight and height.
Baseline and follow-up (median 23.7 weeks)
Change in Waist-to-Height Ratio
Zeitfenster: Baseline and follow-up (median 23.7 weeks)
Waist-to-height ratio (unitless ratio: waist circumference [cm] / height [cm]).
Baseline and follow-up (median 23.7 weeks)

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Goztepe Prof Dr Suleyman Yalcın City Hospital

Ermittler

  • Hauptermittler: Ozgur Bahadir, MD, Istanbul Medeniyet University, Faculty of Medicine, Department of Gastroenterology
  • Studienleiter: Ayse N Erbakan, MD,PhD, Istanbul Medeniyet University, Faculty of Medicine, Department of Internal Medicine

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Tatsächlich)

1. Januar 2024

Primärer Abschluss (Tatsächlich)

30. März 2026

Studienabschluss (Tatsächlich)

15. April 2026

Studienanmeldedaten

Zuerst eingereicht

7. Juli 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

7. Juli 2026

Zuerst gepostet (Tatsächlich)

14. Juli 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

15. Juli 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

13. Juli 2026

Zuletzt verifiziert

1. Juli 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Schlüsselwörter

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • GLP-NIT

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

NEIN

Beschreibung des IPD-Plans

Data available from the corresponding author upon reasonable request

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

Diese Informationen wurden ohne Änderungen direkt von der Website clinicaltrials.gov abgerufen. Wenn Sie Ihre Studiendaten ändern, entfernen oder aktualisieren möchten, wenden Sie sich bitte an register@clinicaltrials.gov. Sobald eine Änderung auf clinicaltrials.gov implementiert wird, wird diese automatisch auch auf unserer Website aktualisiert .

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