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Published in: Journal of Translational Medicine 1/2024

Open Access 01-12-2024 | Acne Vulgaris | Research

Very low-calorie ketogenic diet (VLCKD): a therapeutic nutritional tool for acne?

Authors: Ludovica Verde, Evelyn Frias-Toral, Sara Cacciapuoti, Daniel Simancas-Racines, Matteo Megna, Giuseppina Caiazzo, Luca Potestio, Maria Maisto, Gian Carlo Tenore, Annamaria Colao, Silvia Savastano, Giovanna Muscogiuri, Luigi Barrea

Published in: Journal of Translational Medicine | Issue 1/2024

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Abstract

Background

Acne, a chronic inflammatory disease impacting the pilosebaceous unit, is influenced significantly by inflammation and oxidative stress, and is commonly associated with obesity. Similarly, obesity is also associated with increased inflammation and oxidation. The role of diet in acne remains inconclusive, but the very low-calorie ketogenic diet (VLCKD), known for weight loss and generating anti-inflammatory ketone bodies, presents promising potential. Despite this, the effects of VLCKD on acne remain underexplored. This study aimed to investigate the efficacy of a 45-day active phase of VLCKD in reducing the clinical severity of acne in young women with treatment-naïve moderate acne and grade I obesity.

Methods

Thirty-one women with treatment-naïve moderate acne, grade I obesity (BMI 30.03–34.65 kg/m2), aged 18–30 years, meeting inclusion/exclusion criteria, and consenting to adhere to VLCKD were recruited. Baseline and post-intervention assessments included anthropometric measurements, body composition, phase angle (PhA), trimethylamine N-oxide (TMAO) levels, and reactive oxygen metabolite derivatives (dROMs) as markers of inflammation, dysbiosis, and oxidative stress, respectively. A comprehensive dermatological examination, incorporating the Global Acne Grading System (GAGS) and the Dermatology Life Quality Index (DLQI), was conducted for all women.

Results

VLCKD resulted in general improvements in anthropometric and body composition parameters. Significantly, there were significant reductions in both the GAGS score (Δ%: − 31.46 ± 9.53, p < 0.001) and the DLQI score (Δ%: − 45.44 ± 24.02, p < 0.001) after the intervention. These improvements coincided with significant decreases in TMAO (p < 0.001) and dROMs (p < 0.001) levels and a significant increase in PhA (Δ%: + 8.60 ± 7.40, p < 0.001). Changes in the GAGS score positively correlated with changes in dROMs (p < 0.001) and negatively with PhA (p < 0.001) even after adjusting for Δ% FM. Changes in the DLQI score positively correlated with changes in dROMs (p < 0.001) and negatively with PhA (p < 0.001) even after adjustment for Δ% FM.

Conclusion

Given the side effects of drugs used for acne, there is an increasing need for safe, tolerable, and low-cost treatments that can be used for acne disease. The 45-day active phase of VLCKD demonstrated notable improvements in acne severity, and these improvements seemed to be attributable to the known antioxidant and anti-inflammatory effects of VLCKD.

Graphical Abstract

Appendix
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Metadata
Title
Very low-calorie ketogenic diet (VLCKD): a therapeutic nutritional tool for acne?
Authors
Ludovica Verde
Evelyn Frias-Toral
Sara Cacciapuoti
Daniel Simancas-Racines
Matteo Megna
Giuseppina Caiazzo
Luca Potestio
Maria Maisto
Gian Carlo Tenore
Annamaria Colao
Silvia Savastano
Giovanna Muscogiuri
Luigi Barrea
Publication date
01-12-2024
Publisher
BioMed Central
Published in
Journal of Translational Medicine / Issue 1/2024
Electronic ISSN: 1479-5876
DOI
https://doi.org/10.1186/s12967-024-05119-5

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