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Soothing and anti-itch effect of quercetin phytosome in human subjects: a single-blind study

Giada Maramaldi, Stefano Togni, Ivan Pagin, Luca Giacomelli, Roberta Cattaneo, Roberto Eggenhöffner, Samuele E Burastero
Clinical, cosmetic and investigational dermatology 2016 9:55

Bibliography

PubMed
PMID 27013898
PubMed Central
PMC4777224
Funding
Funding was not specified in the indexed record or the disclosure metadata available for this entry.
Competing interests
A competing-interest declaration was not available in the indexed record or the disclosure metadata used for this entry.

Study snapshot

DesignSingle-blind controlled topical challenge study
ModelHuman intervention research
Sample30 healthy volunteers
InterventionQuercetin-phospholipid 1% cream, placebo, untreated skin, and topical dexchlorpheniramine
DurationAcute controlled skin-irritation challenges
EndpointsSymptoms and quality of life

What the study showed, in plain terms

Published in 2016, this source examined skin and topical formulations. Design: Single-blind controlled topical challenge study. Sample/model: 30 healthy volunteers. The exposure or intervention was Quercetin-phospholipid 1% cream, placebo, untreated skin, and topical dexchlorpheniramine. Follow-up or treatment period: Acute controlled skin-irritation challenges.

The quercetin cream reduced selected erythema and wheal measures after experimental irritation.

Small local challenge study of a specific topical product. It does not establish efficacy of oral supplements, long-term eczema control, or equivalence in clinical allergy treatment.

Continue with Quercetin Data Center

For topic-level interpretation, read Quercetin for Skin and Hair: Oral vs Topical Evidence. This is a related guide; the citation panel separately identifies articles that directly cite this paper.

Key findings

  • The quercetin cream reduced selected erythema and wheal measures after experimental irritation.
  • The recorded outcome domains were Symptoms and quality of life.
  • The result applies to the tested exposure: Quercetin-phospholipid 1% cream, placebo, untreated skin, and topical dexchlorpheniramine; Acute controlled skin-irritation challenges.

What this study can and cannot tell us

  • Small local challenge study of a specific topical product. It does not establish efficacy of oral supplements, long-term eczema control, or equivalence in clinical allergy treatment.
  • An individual controlled trial must be interpreted alongside its comparator, sample size, endpoint selection and independent replication. It does not validate a different commercial formulation or a general longevity claim.
  • Source basis: Source check: PubMed abstract and indexed metadata; full methods were not independently confirmed for this entry. Missing method details, funding information or participant denominators are not inferred.

Citation network

Articles citing this research paper

1 article

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