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Py5.5
Pygeum – Forschung
Überwiegend Mechanismus / Beobachtung
29 begutachtete Studien
Was die Evidenz sagt
Hilft wahrscheinlich
Pygeum scheint in 3 von 3 Studien mit messbaren Effekten zu helfen — die Evidenz tendiert klar ins Positive.
Die meiste Evidenz stammt aus hochwertigen Meta-Analysen und randomisierten Studien, veröffentlicht 1984–2025 mit einer typischen Studiengröße von 455 Teilnehmenden.
Basierend auf 29 Studien · 1 Meta-Analyse · 5 RCTs · 4,600 Teilnehmende insgesamt
Konfidenz
Hohe Konfidenz
Was die Studien gefunden haben
3geholfen· 26 weitere ohne bewertete Effektdaten
Nach Outcome
BPH & lower urinary tract symptoms
Hilft wahrscheinlich28 Studien
Men's vitalityReduzierte BPH-Symptome · 4-8 weeks
Überwiegend Mechanismus / Beobachtung9 Studien
Therapeutic & clinical
Überwiegend Mechanismus / Beobachtung5 Studien
Safety profile
Überwiegend Mechanismus / Beobachtung5 Studien
In Zahlen
Aus 17 Studien mit messbaren Effekten gezogen
Wahrscheinlich echte Effekte
50%
über Studien hinweg
Untersuchte Personen
4,600
typische Studie: 455 Personen
Stärkste Designs
6
1 gepoolt, 5 randomisiert
Zeigte Nutzen
100%
3/3 Studien
Wie lange Studien liefen
3+ Monate
3
Untersuchte Populationen
Men with benign prostatic hyperplasia7
Men with BPH2
Various study populations1
Breast cancer patients1
Stetige Forschung
5 Studien in den letzten 5 Jahren · Neueste Meta-Analyse: 2000
198420042025
1LUTS symptom and flow rate improvementÜbersicht2008
Einfach gesagt: P. africanum and H. rooperi showed an improvement in flow rates and symptoms compared to placebo, while S. cereale showed an improvement in symptoms but not flow rates compared to placebo.
Dedhia RC, McVary KT · The Journal of urology (2008)
We examined the available data from clinical trials for certain botanicals used for lower urinary tract symptoms secondary to benign prostatic hyperplasia, including Serenoa repens, Pygeum africanum, Secale cereale and Hypoxis rooperi.
P. africanum and H. rooperi showed an improvement in flow rates and symptoms compared to placebo.
Most clinical trials investigating the efficacy of botanicals suffer from well documented methodological flaws.
2Urological symptoms and flow measuresSystematische Übersichtn=1,562 · large study2002
Einfach gesagt: Compared to men receiving placebo, Pygeum africanum provided a moderately large improvement in the combined outcome of urologic symptoms and flow measures
Wilt T et al. · Cochrane Database of Systematic Reviews (2002)
A total of 18 randomized controlled trials involving 1562 men met inclusion criteria and were analyzed.
Men using Pygeum africanum were more than twice as likely to report an improvement in overall symptoms (RR=2.1, 95% CI = 1.4, 3.1).
Nocturia was reduced by 19%, residual urine volume by 24% and peak urine flow was increased by 23%.
4Biological activities of Prunus africanaÜbersichtn=455 · medium study2023
Einfach gesagt: Many of the ethnobotanical assertions for the biological activity of P. africana have been confirmed through in vitro and in vivo studies.
Rubegeta E et al. · Journal of ethnopharmacology (2023)
Many of the ethnobotanical assertions for the biological activity of P. africana have been confirmed through in vitro and in vivo studies.
However, a disparity exists between the biological activity of the whole extract and that of single compounds isolated from the extract, which were reported to be less effective.
This finding suggests that a different approach to biological activity studies should be encouraged that takes all secondary metabolites present into consideration.
Einfach gesagt: The findings suggested that East African medicinal plants hold promise as complementary treatments for breast cancer, offering potential benefits such as affordability, cultural appropriateness, and sustainability.
Alum EU et al. · Anti-cancer agents in medicinal chemistry (2025)
The findings suggested that East African medicinal plants hold promise as complementary treatments for breast cancer, offering potential benefits such as affordability, cultural appropriateness, and sustainability.
Further research into these plants and their bioactive compounds could revolutionize breast cancer treatment, improving survival rates and addressing the rising incidence of breast cancer-related fatalities.
Other: The review underscores the importance of continued research, conservation, and the integration of ancient healing methods to fully harness the potential of East African flora in breast cancer management.
Einfach gesagt: In addition, the pharmaceutical care and other therapeutic options of BPH, including pharmacotherapy and surgical options, are discussed, summarizing and comparing the advantages and disadvantages of each therapy.
Csikós E et al. · Molecules (Basel, Switzerland) (2021)
DHT may promote prostate cell growth, resulting in hyperplasia.
Some medicinal plants and their compounds act by modulating this enzyme, and have the above-mentioned targets.
In addition, the pharmaceutical care and other therapeutic options of BPH, including pharmacotherapy and surgical options, are discussed, summarizing and comparing the advantages and disadvantages of each therapy.
Einfach gesagt: Based on the available literature, there is no evidence that phytotherapy significantly improves symptoms of BPH against placebo, despite being largely safe for ingestion.
Keehn A et al. · The Canadian journal of urology (2015)
Based on the available literature, there is no evidence that phytotherapy significantly improves symptoms of BPH against placebo, despite being largely safe for ingestion.
In patients with mild BPH symptoms who are reluctant to take standard pharmaceutical medications may try these agents provided that the patient understands their current limitations.
Those with moderate or severe BPH should be discouraged from alternative and complementary treatments.
8BPH managementÜbersicht2012
Einfach gesagt: There are numerous plants that have beneficial influence on BPH although the mechanisms of action in some plants are not well understood yet.
Azimi H et al. · Inflammation & allergy drug targets (2012)
There are numerous plants that have beneficial influence on BPH although the mechanisms of action in some plants are not well understood yet.
Active ingredients of some of these plants are known and can be used as lead components for development of new effective and safe drugs.
9Urinary symptoms in benign prostatic hyperplasiaÜbersicht2015
Einfach gesagt: On the basis of preclinical studies several mechanisms of action have been postulated, including 5alpha-reductase inhibition, alpha-adrenergic antagonism, dihydrotestosterone and estrogen receptor ...
Allkanjari O et al. · Life sciences (2015)
On the basis of preclinical studies several mechanisms of action have been postulated, including 5alpha-reductase inhibition, alpha-adrenergic antagonism, dihydrotestosterone and estrogen receptor inhibition.
Randomized clinical trials indicate significant efficacy in improving urinary symptoms and mild adverse effects for some phytotherapeutic agents, while further clinical evidence is needed for others (e.g., Epilobium spp., Secale cereale, Roystonea regia).
Healthcare professionals should be constantly informed about BPH phytotherapy, taking into account the risk/benefit profile of the use of medicinal plants in the management of BPH.
10Androgen receptor antagonism and prostate cancer cell growth inhibitionÜbersicht2011
Einfach gesagt: Recently, atraric acid and N-butylbenzene-sulfonamide were isolated from a selective dichlormethane extract of P. africanum as two novel AR antagonistic compounds.
Roell D et al. · Molecular and cellular endocrinology (2011)
Recently, atraric acid and N-butylbenzene-sulfonamide were isolated from a selective dichlormethane extract of P. africanum as two novel AR antagonistic compounds.
The molecular mechanisms of AR inhibition were analyzed and are summarized here.
Both compounds are the first known natural, complete and specific AR antagonist.
11Lower urinary tract symptoms associated with BPHÜbersicht2014
Einfach gesagt: This articles review the mode of action, the efficacy, and the safety, including herb-drug interactions of the most common botanicals (Serenoa repens, Pygeum africanum, Urtica dioica, and Cucurbita pepo) and nutraceuticals (isoflavones, lycopene, selenium, and β-Sitosterol) in controlling the lower urinary tract symptoms associated to BPH.
Pagano E et al. · Phytotherapy research : PTR (2014)
Histological BPH, which typically develops after the age of 40 years, ranges in prevalence from >50% at 60 years to as high as 90% by 85 years of age.
Typical symptoms include increased frequency of urination, nocturia, urgency, hesitancy, and weak urine stream.
Conventional medicines used for the treatment of BPH include alpha blockers and 5-alpha reductase inhibitors.
Einfach gesagt: However, β-sitosterol, Pygeum africannum and Cernilton were reviewed in one study each, and significant improvement was observed for all three.
Kim TH et al. · Maturitas (2012)
However, β-sitosterol, Pygeum africannum and Cernilton were reviewed in one study each, and significant improvement was observed for all three.
All the included compounds have mild and infrequent adverse effects.
SRs on β-sitosterol, Pygeum africannum and Cernilton have not been updated since 2000, thus an update of reviews on these compounds will be necessary in the future.
Lower urinary tract symptoms related to BPH and bladder outlet obstruction may affect up to 30% of men in their early 70s.
15Systematische Übersicht2013
Einfach gesagt: The scientific evidence on the use of phytotherapy in prostatic pathology is conclusive not recommend ing the use of it for BPH or the ADCP.
Morán E et al. · Actas urologicas espanolas (2013)
The scientific evidence on the use of phytotherapy in prostatic pathology is conclusive not recommend ing the use of it for BPH or the ADCP.
16Urological outcomes with Pygeum africanumÜbersicht2020
Einfach gesagt: Although with an evidence level IV (based on expert opinion) the use of P. africanum seems to be an option in the urological therapeutic arsenal.
Salinas-Casado J et al. · Actas urologicas espanolas (2020)
Although with an evidence level IV (based on expert opinion) the use of P. africanum seems to be an option in the urological therapeutic arsenal.
Einfach gesagt: Twenty years ago, the urologic community was encouraged by trial results that suggested phytotherapy could effectively treat symptomatic benign prostatic hyperplasia.
Keehn A et al. · Current urology reports (2016)
Twenty years ago, the urologic community was encouraged by trial results that suggested phytotherapy could effectively treat symptomatic benign prostatic hyperplasia.
Since that time, several well-constructed studies have consistently demonstrated that these agents are no more efficacious than placebo, despite being largely safe for ingestion.
Einfach gesagt: These results, corroborated in part by short-term clinical efficacy, set the stage for a large-scale clinical trial to investigate the efficacy of Pygeum africanum extract in the treatment of lower urinary tract symptoms.Copyright (c) 2007 Wiley-Liss, Inc.
Edgar AD et al. · Neurourology and urodynamics (2007)
Furthermore, demonstration of their clinical efficacy in BPH has been hindered by trials of limited duration with a high placebo response.
Beginning with a preliminary demonstration of in vitro inhibition of growth factor-mediated fibroblast proliferation with Pygeum africanum extract, a detailed series of in vitro and in vivo studies on prostate growth and bladder function were undertaken.
These results, corroborated in part by short-term clinical efficacy, set the stage for a large-scale clinical trial to investigate the efficacy of Pygeum africanum extract in the treatment of lower urinary tract symptoms.