Lithium gegen Alzheimer – was steckt wirklich dahinter?" episode artwork

EPISODE · Jun 11, 2026 · 24 MIN

Lithium gegen Alzheimer – was steckt wirklich dahinter?"

from Longevity Decoded · host Ben Knop, Jan Holzhacker

Eine Harvard-Studie hat Lithium als mögliches Therapeutikum gegen Alzheimer zurück insGespräch gebracht. Was steckt wirklich dahinter — und warum könnte ausgerechnet das Salzentscheidend sein?Alzheimer ist die häufigste Demenzform weltweit — und bis heute haben wir keine Therapie, die dieKrankheit wirklich aufhält. In dieser Episode schauen Jan und Ben auf ein Molekül, das seit 25 Jahrenin der Forschung auftaucht und trotzdem nie klinisch durchgekommen ist: Lithium.Eine neue Studie der Harvard Medical School liefert jetzt eine Erklärung — und zeigt, warum einspezifisches Lithiumsalz (Lithium-Orotat) möglicherweise das entscheidende fehlende Puzzlestückwar.In dieser Folge:stößt→ Warum Alzheimer so schwer zu behandeln ist — und wo die Amyloid-Hypothese an ihre Grenzen→ Was Lithium im gesunden Gehirn tut und welche Rolle GSK3-beta spielt→ Der Mechanismus: Wie Amyloid-Plaques Lithium sequestrieren — und das gesunde Gewebeunterversorgt lassen→ Lithium-Orotat vs. Lithiumcarbonat: Warum das Salz alles ändert→ Was die Tierdaten zeigen — und warum der Weg zum Menschen noch offen ist→ Welche Humandaten bereits existieren und was von künftigen Studien zu erwarten ist■ Hauptstudie dieser EpisodeAron et al. (2025) — Lithium deficiency and sequestration in amyloid plaques contribute to Alzheimer'sdisease pathologyHarvard Medical School / Nature Aging (2025)■ Humanstudien — Lithium bei MCI und AlzheimerForlenza et al. (2011) — Disease-modifying properties of long-term lithium treatment for amnestic mildcognitive impairmentBritish Journal of Psychiatry, 198(5), 351–356doi:10.1192/bjp.bp.110.080044■ Randomisierter Trial: Lithiumcarbonat bei MCI, signifikante Verbesserung kognitiver Scores und CSF-BiomarkerNunes et al. (2013) — Lithium and risk for Alzheimer's disease in elderly patients with bipolar disorderBritish Journal of Psychiatry, 190(4), 359–360doi:10.1192/bjp.bp.106.029868■ Retrospektive Kohortenstudie: Lithium-Langzeittherapie assoziiert mit reduziertem Alzheimer-RisikoKessing et al. (2008) — Lithium treatment and risk of dementiaArchives of General Psychiatry, 65(11), 1331–1335doi:10.1001/archpsyc.65.11.1331■ Epidemiologisch: Lithium-Therapie bei bipolaren Patienten → reduziertes Demenzrisiko auf Bevölkerungsniveau■ Mechanismus — GSK3-betaHooper et al. (2008) — The GSK3 family as therapeutic target for Alzheimer's diseaseNature Reviews Neuroscience, 9(5), 396–407doi:10.1038/nrn2321■ Überblick zur zentralen Rolle von GSK3-beta in Tau-Phosphorylierung und NeuroinflammationEldar-Finkelman & Martinez (2011) — GSK-3 Inhibitors: Preclinical and Clinical Focus on CNSFrontiers in Molecular Neuroscience, 4, 32doi:10.3389/fnmol.2011.00032■ Lithium als GSK3-Inhibitor: Wirkmechanismus, Dosisabhängigkeit, therapeutische Breite■ Lithium-Orotat — PharmakokinetikKling et al. (2022) — Lithium salts: A comparison of pharmacokinetic propertiesPsychopharmacology (Berl.), 239, 3505–3517doi:10.1007/s00213-022-06198-6■ Vergleich verschiedener Lithiumsalze hinsichtlich Bioverfügbarkeit, ZNS-Penetration und Verträglichkeit■ Alzheimer Epidemiologie & aktuelle TherapieoptionenAlzheimer Forschung Initiative (2024) — Lithium und Alzheimer — aktueller Forschungsstandalzheimer-forschung.de/forschung/aktuell/lithium/https://www.alzheimer-forschung.de/forschung/aktuell/lithium/■ Deutschsprachige Einordnung für HintergrundrechercheVan Marum (2008) — Current and future therapy in Alzheimer's diseaseFundamental & Clinical Pharmacology, 22(3), 265–274doi:10.1111/j.1472-8206.2008.00578.x■ Übersicht Therapieansätze inkl. Lithium als Neuroprotektivum

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