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. 2023 Nov 7;13(11):2176.
doi: 10.3390/life13112176.

Treatment of Scleroderma-Related Microstomia Using Hyaluronic Acid: An Interventional Study

Ofir Shir-Az  1   2 , Ariel Berl  1   2 , Din Mann  1   2 , Biader Samih Bilal  1   2 , Yair Levy  2   3 , Avshalom Shalom  1   2
Affiliations

Treatment of Scleroderma-Related Microstomia Using Hyaluronic Acid: An Interventional Study

Ofir Shir-Az et al. Life (Basel). .

Abstract

Systemic sclerosis (SSc) or scleroderma is a rare, systemic, autoimmune connective tissue disease. It causes increased collagen synthesis, leading to multi-organ sclerosis, including the skin and joints. Patients' overall health and quality of life are harmed dramatically. Involvement of the face and, especially, the oral opening can limit patients' ability to speak and eat, oral hygiene, and cosmetic appearance. Profhilo® (NAHYCO®) is an over-the-counter product consisting of pure hyaluronic acid. It is used to improve skin quality by increasing collagen production and adipocyte vitality. This interventional study evaluated the results of perioral injections of hyaluronic acid in terms of improved skin quality, elasticity, and increased oral opening. Patients diagnosed with SSc received an injection of one syringe of Profhilo® (2 mL of hyaluronic acid) at each of two clinic visits at one-month intervals. The oral opening was measured between the upper and lower central incisors before and after treatment. Quality of life was assessed using the modified Rodnan Skin Score and Health Assessment Questionnaire-Disability Index. A total of 14 patients received the first treatment, and 11 received the second treatment. The mean oral opening increased from 31.6 mm (range 17-50 mm) prior to therapy to 35.8 mm (range 21-56) 2 months following the second injection. Statistical analysis showed that there was a significant increase in the oral opening as observed one week (36.2 mm, p = 0.011), one month (36.2 mm, p = 0.007), and three months (31.6 mm, p = 0.023) after the second injection, at the 5-month follow-up. Treatment of SSc patients' perioral area with Profhilo® can result in significant improvements in oral opening and quality of life.

Keywords: hyaluronic acid; microstomia; systemic sclerosis.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure A1
Figure A1
Health Assessment Questionnaire-Disability Index.
Figure A1
Figure A1
Health Assessment Questionnaire-Disability Index.
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