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White Willow Bark – Forschung
Hilft wahrscheinlich
21 begutachtete Studien
Was die Evidenz sagt
Hilft wahrscheinlich
White Willow Bark scheint in 4 von 4 Studien mit messbaren Effekten zu helfen — die Evidenz tendiert klar ins Positive.
Die meiste Evidenz stammt aus hochwertigen randomisierten Studien, veröffentlicht 2001–2026 mit einer typischen Studiengröße von 78 Teilnehmenden.
Basierend auf 21 Studien · 5 RCTs · 470 Teilnehmende insgesamt
Konfidenz
Mittlere Konfidenz
Was die Studien gefunden haben
4geholfen· 17 weitere ohne bewertete Effektdaten
Nach Outcome
Pain & analgesia
Hilft wahrscheinlich16 Studien
Safety profile
Überwiegend Mechanismus / Beobachtung6 Studien
InflammationModerate Schmerzlinderung bei chronischen Erkrankungen · 1-2 Wochen
Überwiegend Mechanismus / Beobachtung5 Studien
Joint pain & arthritisVerringerte Gelenkschmerzen und Entzündungen innerhalb von 1-2 Wochen · 1-2 Wochen
Überwiegend Mechanismus / Beobachtung4 Studien
Therapeutic & clinical
Überwiegend Mechanismus / Beobachtung3 Studien
Migraine & headache
Zu wenige bewertete Studien1 Studie
In Zahlen
Aus 16 Studien mit messbaren Effekten gezogen
Wahrscheinlich echte Effekte
100%
über Studien hinweg
Untersuchte Personen
470
typische Studie: 78 Personen
Stärkste Designs
5
0 gepoolt, 5 randomisiert
Zeigte Nutzen
100%
4/4 Studien
Wie lange Studien liefen
1–4 Wochen
1
1–3 Monate
2
Untersuchte Populationen
Not specified3
Patients with neurological disorders1
Individuals with metabolic disorders1
Dental patients1
Lässt nach
Nur 2 Studien in den letzten 5 Jahren
200120132026
1Systematische Übersichtn=261 · medium study2014
Einfach gesagt: Daily doses of Salix alba (white willow bark), standardized to 120 mg or 240 mg salicin, are probably better than placebo for short-term improvements in pain and rescue medication (two trials, 261 participants, moderate quality evidence).
Oltean H et al. · Cochrane Database of Systematic Reviews (2014)
Daily doses of Salix alba (white willow bark), standardized to 120 mg or 240 mg salicin, are probably better than placebo for short-term improvements in pain and rescue medication.
An additional trial demonstrated relative equivalence to 12.5 mg per day of rofecoxib.
We included 14 RCTs (2050 participants) in this review.
Einfach gesagt: Certainly, extensive work is needed to make sure that patients should take a regimen of protective and restorative therapy under an experienced healthcare professional.
Parvez MK · Current drug metabolism (2018)
Certainly, extensive work is needed to make sure that patients should take a regimen of protective and restorative therapy under an experienced healthcare professional.
This article updates on the current knowledge of promising natural products used in neurological disorders.
Einfach gesagt: We aim to provide the state of the current knowledge on the use of medicinal plants and their therapeutically important phytochemicals by discussing the current trends, with critical examples from recent primary references of how medicinal plants are being used in South African rural and urban communities.
Nyakudya TT et al. · Molecules (Basel, Switzerland) (2020)
The impact of phytochemicals present in local medicinal plants on sustainable health and well-being of individuals has been studied for many years and found to involve a plethora of complex biochemical, metabolic, and physiological mechanisms.
While some of these phytochemicals are the basis of mainstream prescribed drugs (e.g., metformin, reserpine, quinine, and salicin), there is a need to identify more medicinal plants that can be used for the management of components of MetS and to describe their possible mechanisms of action.
In this review, we assess the potential health benefits of South African ethnomedicinal plants in protecting against the development of health outcomes associated with MetS.
Einfach gesagt: Herbs may be good alternatives to current treatments for oral health problems but it is clear that we need more research.
Taheri JB et al. · International dental journal (2011)
Herbal products can vary in their potency.
Therefore, care must be taken in selecting herbs, even so, herbal medicines have dramatically fewer side effects and are safer to use than conventional medications.
The herbs described in this article are Bloodroot, Caraway, Chamomile, Echinacea, Myrrh, Peppermint, Rosemary, Sage, Thyme, Aloe Vera, Propolis, and a summary of other herbs that are useful in dentistry.
Einfach gesagt: The primary cause for concern may relate to allergic reactions in salicylate-sensitive individuals.
Shara M et al. · Phytotherapy research : PTR (2015)
In recent years, various in vitro and animal studies have demonstrated that the anti-inflammatory activity of willow bark extract is associated with down regulation of the inflammatory mediators tumor necrosis factor-α and nuclear factor-kappa B.
Although willow bark extracts are generally standardized to salicin, other ingredients in the extracts including other salicylates as well as polyphenols, and flavonoids may also play prominent roles in the therapeutic actions.
Adverse effects appear to be minimal as compared to non-steroidal anti-inflammatory drugs including aspirin.
Einfach gesagt: Hippocrates' dictum of 'Let food be your medicine and medicine your food' can now be experimentally tested and the results of such experiments will enhance the ability of nutritionists to devise specific health-promoting diets.
Juurlink BH et al. · Nutrition journal (2014)
It has been known for many years that increased consumption of fruits and vegetables promotes health.
We are beginning to understand how specific phytochemicals are responsible for such therapeutic effects.
Hippocrates' dictum of 'Let food be your medicine and medicine your food' can now be experimentally tested and the results of such experiments will enhance the ability of nutritionists to devise specific health-promoting diets.
Einfach gesagt: Strategies to minimize nephrotoxicity include (1) quality control and standardization of herbal products, (2) research on the molecular modes of action to better understand pathophysiological mechanisms of herbal products as well as (3) clinical trials to demonstrate efficacy and safety.
Allard T et al. · Current medicinal chemistry (2013)
Other herbal therapies are considered to affect the rennin-angiotensisn-aldosterone (RAA) system Ephedra sinica Stapf with its ingredient ephedrine.
Devil's Claw (Harpagophytum procumbens DC.
Ex Meisn.) and licorice (Glycyrrhiza glabra L.) may inhibit major renal transport processes needed for filtration, secretion, and absorption.
Einfach gesagt: In the interest of protecting public health, the United States Pharmacopeia has included a cautionary labeling statement in the United States Pharmacopeia Salix Species monograph as follows: "Dosage forms prepared with this article should bear the following statement: 'Not for use in children, women who are pregnant or nursing, or by persons with known sensitivity to aspirin.'".Georg Thieme Verlag KG Stuttgart · New York.
Oketch-Rabah HA et al. · Planta medica (2019)
Spürbar Nutzen
← SchlechterKein EffektBesser →
Concurrent use with other salicylate-containing medicines increases these risks.
Metabolism of 240 mg salicin from willow bark could yield 113 mg of salicylic acid, yet dietary supplement products are not required to be labeled with warnings.
9Antiproliferative and anticancer activityÜbersicht2006
Einfach gesagt: The historical steps that led to the discovery of aspirin, and its antiproliferative and anticancer potential are highlighted in this review.
Mahdi JG et al. · Cell proliferation (2006)
For several millennia, the willow tree and salicin have been associated with salicylic acid, the key precursor molecule that has contributed to the discovery of acetylsalicylic acid, traded as aspirin.
These molecules have been shown to possess phyto- and chemotherapeutic activities as analgesic drugs.
In recent decades, aspirin has become the focus of extensive investigation into antiproliferative and anticancer activities.
Einfach gesagt: Further studies are required to find out if treatment of osteoarthritis and rheumatoid arthritis requires extract with higher doses than 240 mg salicin per day.
Vlachojannis JE et al. · Phytotherapy research : PTR (2009)
All studies investigated ethanolic extracts with daily doses up to 240 mg salicin over periods of up to six weeks.
Minor adverse events occurred during treatment.
The review provides moderate evidence of effectiveness for the use of ethanolic willow bark extract in low back pain.
Einfach gesagt: The single compounds or their combinations responsible for the effect remain to be elucidated.
Nahrstedt A et al. · Wiener medizinische Wochenschrift (1946) (2007)
In addition, salicins and their metabolites lack the acetylating potential of ASA and must therefore possess a different mechanism of action.
A detailed pharmacological screening of the aqueous willow bark extract STW 33-I addressed the question of the identification of fractions contributing to the overall effect.
All in vivo and in vitro models studied pointed to relevant contributions of the fraction of polyphenols and flavonoids.
12Migraine attack frequencyOpen-Labeln=12 · very small study2006
Einfach gesagt: The remarkable efficacy of Mig-RL in not only reducing the frequency of migraine attacks but also their pain intensity and duration in this trial warrants further investigation of this therapy in a double-blind, randomised, placebo-controlled investigation involving a larger patient population.
Shrivastava R et al. · Clinical drug investigation (2006)
Sehr groß Nutzen
← SchlechterKein EffektBesser →
Likely real
Attack frequency was reduced by 57.2% at 6 weeks (p < 0.029) and by 61.7% at 12 weeks (p < 0.025) in nine of ten patients, with 70% patients having a reduction of at least 50%.
Attack intensity was reduced by 38.7% at 6 weeks (p < 0.005) and by 62.6% at 12 weeks (p < 0.004) in ten of ten patients, with 70% of patients having a reduction of at least 50%.
Attack duration decreased by 67.2% at 6 weeks (p < 0.001) and by 76.2% at 12 weeks (p < 0.001) in ten of ten patients.
Einfach gesagt: Results from this randomized, double blind, placebo-controlled community trial support the use of the Instaflex™ dietary supplement in alleviating joint pain severity in middle-aged and older adults, with mitigation of difficulty performing daily activities most apparent in subjects with knee pain.
Nieman DC et al. · Nutrition journal (2013)
Clinical trial examining White Willow Bark efficacy
Biegert C, Wagner I, Lüdtke R, Kötter I, Lohmüller C, Günaydin I · J Rheumatol (2004)
16Non-pathological pain reductionCrossover2020
Einfach gesagt: Pain Bloc-R performed as well as acetaminophen in managing unresolved non-pathological pain in otherwise healthy individuals.
Evans M et al. · Nutrients (2020)
Groß Nutzen
← SchlechterKein EffektBesser →
Likely real
The BPI "pain at its worst" scores were significantly lower when participants took Pain Bloc-R than when they took acetaminophen (21.8% vs. 9.8% decrease, p = 0.026) after seven days of supplementation.
Pain Bloc-R achieved a significant improvement in the "pain at its least" score, significantly decreased the interference of discomfort in walking, and significantly decreased musculoskeletal discomfort total scores (34%, p = 0.040) after seven days.
In a post hoc subgroup analysis based on age and gender, male participants ≤45 years taking Pain Bloc-R reported significant reductions in pain severity and pain interference vs. acetaminophen.
17Oxidative and inflammatory pathways in diabetic complicationsÜbersicht2026
Ahmed MS et al. · Molecular biology reports (2026)
These biological activities support its potential role in mitigating diabetes-associated tissue damage and position salicin as a promising natural adjunctive candidate for managing diabetes-related complications.
However, the majority of evidence originates from in vitro and animal studies, and well-designed clinical investigations addressing long-term safety, optimal dosing, and therapeutic efficacy in diabetes are limited.
This research gap underscores the need for rigorous translational and clinical studies to validate salicin's therapeutic potential in the management of diabetes-related complications.
Einfach gesagt: Several promising anti-inflammatory herbal extracts were identified in this study, including extracts with previously unknown influence on key TLR signaling pathways and macrophage repolarization, serving as a basis for novel lead compound identification.
Schink A et al. · PloS one (2018)
Moreover, all tested extracts mitigated not only TLR4, but also TLR2 signaling pathways.
Seven of them additionally inhibited translocation of NF-κB into the nucleus.
Two of the extracts showed impact on repolarization of pro-inflammatory M1-type to anti-inflammatory M2-type macrophages.