Objective: Type 2 diabetes mellitus (T2DM) is a prevalent metabolic disorder, and there is an increasing interest in the potential benefits of traditional Chinese medicine, such as Huanglian Jiedu decoction (HJD), for its management. This meta-analysis aimed to determine the efficacy and safety of HJD in the treatment of T2DM.

Methods: A systematic review was conducted across six databases including PubMed, Embase, Cochrane, Web of Science, China National Knowledge Infrastructure (CNKI), and Wanfang, from their inception to August 24, 2023. We focused on randomized controlled trials (RCTs) that evaluated HJD as both a monotherapy and in combination treatments for T2DM patients. Data analysis was performed using RevMan 5.3 and Stata 17.0, with evaluations for heterogeneity and publication bias. Additionally, subgroup analyses were stratified based on the duration of treatment.

Results: A total of 40 studies involving 3,934 participants were included in the meta-analysis. Both HJD monotherapy and combined with other therapies significantly reduced hemoglobin A1C (HbA1c) fasting blood glucose (FBG) and 2-h postprandial glucose (2hPG) levels, as well as improved insulin resistance. Furthermore, combination therapy enhanced the efficacy rate and favorably altered lipid profiles, including increasing HDL-C and decreasing LDL-C, TC, and TG levels. It was worth noting that the results of the subgroup analysis indicated that, in terms of reducing HbA1c and 2hPG, the efficacy of HJD alone for a duration of less than 3 months was found to be potentially superior to that observed in treatments exceeding 3 months. Adverse event assessment suggested that HJD did not increase the incidence of side effects, including diarrhea, affirming its safety.

Conclusion: HJD appears to be an effective and safe alternative or adjunctive therapy for T2DM, showing significant improvements in glycemic control and lipid profiles without increasing adverse events. Further rigorous, multicenter RCTs outside China are warranted to validate these findings.

Unlabelled: ZielDiabetes mellitus Typ 2 (DMT2) ist eine weit verbreitete Stoffwechselerkrankung, und es besteht ein steigendes Interesse an den potenziellen Vorteilen der traditionellen chinesischen Medizin, wie beispielsweise Huanglian Jiedu-Dekokt (HJD), zu seiner Behandlung. Mit dieser Metaanalyse sollten die Wirksamkeit und Sicherheit von HJD zur Behandlung von DMT2 ermittelt werden.MethodenEs wurde eine systematische Recherche in sechs Datenbanken durchgeführt, darunter PubMed, Embase, Cochrane, Web of Science, China National Knowledge Infrastructure (CNKI) und Wanfang, für die Zeit vom Beginn der Datenbank bis zum 24. August 2023. Dabei lag unser Hauptaugenmerk auf randomisierten kontrollierten Studien (RCTs), die HJD sowohl als Monotherapie als auch in Kombinationstherapien bei Patienten mit DMT2 untersuchten. Die Datenanalyse erfolgte mithilfe von RevMan 5.3 und Stata 17.0 mit Untersuchungen auf Heterogenität und Publikationsverzerrungen. Darüber hinaus wurden Subgruppenanalysen stratifiziert nach Behandlungsdauer durchgeführt.ErgebnisseInsgesamt wurden 40 Studien mit 3.934 Teilnehmern in die Metaanalyse eingeschlossen. HJD führte sowohl als Monotherapie als auch in Kombination mit anderen Therapien zu einer signifikanten Senkung des HbA1c-Nüchternblutzuckerspiegels (fasting blood glucose, FBG) und der postprandialen Blutzuckerwerte 2 Stunden nach dem Essen (2-h postprandial glucose, 2hPG) sowie zu einer Verbesserung der Insulinresistenz. Darüber hinaus verbesserte die Kombinationstherapie die Wirksamkeitsrate und führte zu einer positiven Veränderung der Lipidprofile, die eine Erhöhung der HDL-Cholesterinwerte und eine Senkung der LDL-, Gesamtcholesterin- und Trigylceridwerte einschloss. Erwähnenswert ist, dass nach den Ergebnissen der Subgruppenanalyse die Wirksamkeit von HJD als Monotherapie in Hinblick auf die Senkung der HbA1c- und 2hPG-Werte bei einer Behandlungsdauer von weniger als drei Monaten gegenüber derjenigen von Behandlungen, die länger als drei Monate dauerten, potenziell überlegen war. Die Bewertung der unerwünschten Ereignisse zeigte, dass HJD nicht zu einem Anstieg der Nebenwirkungen wie Durchfall führte, was seine Sicherheit bestätigte.SchlussfolgerungHJD scheint eine wirksame und sichere Alternative oder Zusatztherapie bei DMT2 zu sein, die signifikante Verbesserungen der Blutzuckerkontrolle und der Lipidprofile ohne Zunahme der unerwünschten Ereignisse bewirkt. Weitere rigorose, multizentrische RCTs außerhalb Chinas sind erforderlich, um diese Ergebnisse zu validieren.

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