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Fer4.0
Ferulasäure (topisch) – Forschung
Überwiegend Mechanismus / Beobachtung
5 begutachtete Studien
Was die Evidenz sagt
Überwiegend Mechanismus / Beobachtung
Die meisten Studien zu Ferulasäure (topisch) sind mechanistisch oder beobachtend statt RCTs, die einen klinischen Effekt messen — betrachte die Ergebnisse als vorläufig.
Die meiste Evidenz stammt aus gemischt-qualitativen Studien, veröffentlicht 2005–2014 mit einer typischen Studiengröße von 12 Teilnehmenden.
Basierend auf 5 Studien · 12 Teilnehmende insgesamt
Konfidenz
Geringe Konfidenz
Nach Outcome
Skin healthAntioxidative photoprotektive Unterstützung und Strahlkraft als Bestandteil eines Vitamin-C+E-Serums; eine Ergänzung zum Sonnenschutz (kosmetisch, kein gesundheitliches Ergebnis) · 4-12 Wochen · Indirekter Anti-Photoaging-Nutzen durch Verstärkung/Stabilisierung des antioxidativen Vitamin-C+E-Schutzes (kosmetisch; nicht als alleinige Anwendung) · 8-24 Wochen
Zu wenige bewertete Studien1 Studie
Ältere Forschungsbasis
Neueste Studie von 2014
20052014
1Open-Label2008
Its mechanism of action is different from sunscreens and would be expected to supplement the sun protection provided by sunscreens.
Murray JC, Burch JA, Streilein RD, Iannacchione MA, Hall RP, Pinnell SR. · J Am Acad Dermatol (2008)
First in vivo human test of the C+E+ferulic-acid (CEFer) solution; it provided significant photoprotection by all endpoints (erythema, sunburn cells, thymine dimers, p53)
Explicitly framed as an antioxidant adjunct that supplements, not replaces, sunscreen
Authors note the number of patients was relatively small; the abstract gives no exact count
Its incorporation into a topical solution of 15%l-ascorbic acid and 1%alpha-tocopherol improved chemical stability of the vitamins (C+E) and doubled photoprotection to solar-simulated irradiation of skin from 4-fold to approximately 8-fold as measured by both erythema and sunburn cell formation.
Lin FH, Lin JY, Gupta RD, Tournas JA, Burch JA, Selim MA, Monteiro-Riviere NA, Grichnik JM, Zielinski J, Pinnell SR. · J Invest Dermatol (2005)
Adding ferulic acid to a 15% L-ascorbic acid + 1% alpha-tocopherol solution improved chemical stability of both vitamins
Doubled photoprotection against solar-simulated UV from ~4-fold to ~8-fold (erythema and sunburn-cell endpoints) and reduced thymine dimers
Conducted in pig (swine) skin — the value is the formulation/stabilization principle, not a human efficacy result
The antioxidant complex containing vitamins C and E and ferulic acid conferred significant protection against biological events compared with other irradiated sites.
Wu Y, Zheng X, Xu XG, Li YH, Wang B, Gao XH, Chen HD, Yatskayer M, Oresajo C. · J Drugs Dermatol (2013)
Twelve healthy female Chinese subjects; intra-subject comparison of the antioxidant complex vs vehicle vs untreated before a single UV dose
The C+E+ferulic complex significantly reduced sunburn cells, thymine dimers, p53 overexpression, and Langerhans-cell depletion
Reinforces that the tested unit is the C+E+ferulic combination — ferulic acid is not evaluated alone
4Übersicht2014
However, despite the great abundance of preclinical research, only a few studies were carried out in humans, the majority of which used foods containing FA, and therefore the clinical efficacy of this mode of administration needs to be further documented.
Mancuso C, Santangelo R. · Food Chem Toxicol (2014)
Review: ferulic acid is a potent antioxidant that scavenges free radicals and upregulates cytoprotective systems (HO-1, HSP70, ERK1/2, Akt)
Counter-evidence/limits: the evidence base is overwhelmingly preclinical; very few human studies exist, most via dietary ferulic acid
Supports framing ferulic acid as mechanistically well-characterized but with under-documented standalone clinical (and topical) efficacy
The results showed that ferulate hydrogel was a more effective carrier in protecting vitamin E from photodegradation than hydrogel without antioxidant moieties.