A comparison of the efficacy of reducing the signs of ageing in the neck skin after polynucleotides injections in regimens with different dosing intervals – a case study
DOI:
https://doi.org/10.20883/jofa.68Keywords:
polynucleotides, neck skin, biorevitalization, anti‑ageing therapies, cutometerAbstract
Introduction. The article presents the case of a 59-year‑old female patient with signs of the neck skin ageing who underwent treatment based on fish‑derived polinucleotides injections using two different regimens.
Aim. To compare efficacy of the regimens A and B.
Material and methods. Intradermal injections were administered in two schemes (A and B), considering the following intervals: four treatments 2 weeks apart for scheme A (left half of the neck) and four treatments 4 weeks apart for scheme B (right half of the neck). Analysis of skin parameters was performed using the set of probes Cutometer Dual MPA 580 probe Courage+Khazaka electronic GmbH (cutometer, corneometer, mexameter, evaporimeter). Measurements were always taken at the same points on the both sides of the neck.
Results. The patient was treated without persistent side effects. No improvement in cutometer parameters has been observed after treatment with Scheme A on both neck and mandible site. In contrast, the use of Scheme B resulted in increases in parameters R2 (the only significant effect). The application of both regimens resulted in more consistent melanin results in the neck and mandibular regions. In addition, regimen A was more effective in reducing skin redness at both sites, while regimen B was more effective in improving skin condition and resulted in a greater increase in skin hydration in the mandibular site.
Conclusions. The skin benefited more from Scheme B. Treatment with polynucleotides extends the anti‑ageing therapy options but is characterised by a mild effect. In mature patients it should be used rather as a form of prevention than as a method of reversing the effects of ageing.
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Olek-Hrab K, Hawrylak A, Czarnecka-Operacz M. Review paperSelected problems of skin aging. Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii. 2008;25(5):226-234.
Zhang S, Duan E. Fighting against Skin Aging: The Way from Bench to Bedside. Cell Transplant. 2018;27(5):729–738. https://doi.org/10.1177/0963689717725755.
Funder DC, Ozer DJ. Evaluating effect size in psychological research: sense and nonsense. Advances in Methods and Practices in Psychological Science. 2019;2(2):156–168. https://doi.org/10.1177/2515245919847202.
De Winter JCF. Using the Student's t‑test with extremely small sample sizes: Practical Assessment, Research, and Evaluation. 2013;18(10). https://doi.org/10.7275/e4r6-dj05.
Cohen J. Statistical power analysis for the behavioral sciences. Routledge, New York 1988. https://doi.org/10.4324/9780203771587.
R Core Team. R: A Language and Environment for Statistical Computing. R Foundation for Statistical Computing, Vienna 2021. https://www.R‑project.org.
Ben‑Shachar MS, Lüdecke D, Makowski D. effectsize: Estimation of Effect Size Indices and Standardized Parameters. Journal of Open Source Software. 2020;5(56). https://doi.org/10.21105/joss.02815.
Kassambara A. rstatix: Pipe‑Friendly Framework for Basic Statistical Tests. R package version 0.7.1. 2022. https://CRAN.R‑project.org/package=rstatix.
Makowski D, Ben‑Shachar M, Patil I, Lüdecke D. Automated Results Reporting as a Practical Tool to Improve Reproducibility and Methodological Best Practices Adoption. CRAN. https://github.com/easystats/report.
Wickham H, Girlich M. tidyr: Tidy Messy Data. R package version 1.2.0. 2022. https://CRAN.R‑project.org/package=tidyr.
Kawałkiewicz W, Matthews‑Kozanecka M, Janus‑Kubiak M, Kubisz L, Hojan‑Jezierska D. Instrumental diagnosis of facial skin – a necessity or a pre‑treatment recommendation: in aesthetic medicine. Journal of Cosmetic Dermatology. 2020;20(4). https://doi.org/10.1111/jocd.13638.
Kubisz L, Matthews‑Kozanecka M, Kawałkiewicz W, Janus‑Kubiak M, Hojan‑Jezierska D. Coefficient of elasticity of young and adults skin of female face. Journal of Face Aesthetics. 2021;4(2). https://doi.org/10.20883/jofa.46.
Cavallini M, Bartoletti E, Maioli L, Massirone A, Palmieri IP, Papagni M et al. Consensus report on the use of PN‑HPT™ (polynucleotides highly purified technology) in aesthetic medicine. J Cosmet Dermatol. 2020;20(3):922–928. https://doi.org/10.1111/jocd.13679.
Park KY, Seok J, Rho NK, Kim BJ, Kim MN. Long‑chain polynucleotide filler for skin rejuvenation: efficacy and complications in five patients. Dermatol Ther. 2016; 29: 37–40. https://doi.org/10.1111/dth.12299.
De Caridi G, Massara M, Acri I, Zavettieri S, Grande R, Butrico L, de Franciscis S, Serra R. Trophic effects of polynucleotides and hyaluronic acid in the healing of venous ulcers of the lower limbs: a clinical study. Int Wound J. 2016 Oct;13(5):754–8. https://doi.org/10.1111/iwj.12368.
Elsaie ML, Baumann LS, Elsaaiee LT. Striae distensae (stretch marks) and different modalities of therapy: an update. Dermatol Surg. 2009;35:563–573. https://doi.org/10.1111/j.1524–4725.2009.01094.x.
Matera G, Dodici N, Raichi M. Improving on laser: biorevitalization of stretch marks, the polynucleotides infiltrations combined with CO2 laser option. Aesth Med. 2020;6(2):17–24.
Gianfaldoni R, Gianfaldoni S, Nannipieri A, Lotti T. A polynucleotide‑based product to treat female hormonal hair loss. Prime. 2014;30–36.
Palmieri IP, Raichi M. Biorevitalization of postmenopausal labia majora, the polynucleotide/hyaluronic acid option. Obstet Gynecol Rep. 2019;3:1–5.
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