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Low levels of vitamin D linked to development of acne, study finds
Nepal: A new study in the Journal of Cosmetic Dermatology has found vitamin D to be low in patients with moderate-to-severe acne compared to control. Further, short-term therapy with oral isotretinoin did not seem to modify vitamin D levels.
Vitamin D may have a crucial role in the pathogenesis of acne vulgaris (AV) owing to its immunomodulatory effect and regulating the proliferation and differentiation of keratinocytes. Oral isotretinoin used for managing moderate-to-severe acne binds to the retinoid receptor, forming a heterodimer with the vitamin D receptor (VDR) and reducing vitamin D levels by increasing catabolism. So far, only two studies have investigated the effect of oral isotretinoin on serum vitamin D levels and have yielded contradictory results.
Against the above background, Samir Shrestha, Department of Dermatology and Venereology, B.P. Koirala Institute of Health Sciences, Dharan, Nepal, and colleagues aimed to compare the serum vitamin D levels in patients with moderate-to-severe acne and age- and sex-matched healthy controls and to determine the serum level of vitamin D in patients with moderate-to-severe acne after 3 months of oral isotretinoin treatment.
For this purpose, the study enrolled a total of 120 patients with moderate-to-severe acne and 90 age- and sex-matched healthy controls. Patients were treated with oral isotretinoin at 0.50–0.75 mg/kg/day and measurements of vitamin D were done at baseline and 3 months after the treatment.
Key findings include:
- Serum vitamin D was insufficient and deficient in 90.50% of cases in comparison with 43.33% of controls.
- Serum vitamin D had an inverse correlation with the severity of acne.
- Following 3 months of oral isotretinoin, there was no significant change in serum vitamin D level.
"In patients with moderate-to-severe acne, vitamin D was low compared with control. Vitamin D level did not change with short-term therapy with oral Isotretinoin," the researchers wrote in their study.
Reference:
Shrestha S, Agrawal S, Lamsal M. Vitamin D level in patients with moderate-to-severe acne: A case-control study combined with prospective study following oral isotretinoin treatment. J Cosmet Dermatol. 2022 Apr 16. doi: 10.1111/jocd.14996. Epub ahead of print. PMID: 35429216.
MSc. Biotechnology
Medha Baranwal joined Medical Dialogues as an Editor in 2018 for Speciality Medical Dialogues. She covers several medical specialties including Cardiac Sciences, Dentistry, Diabetes and Endo, Diagnostics, ENT, Gastroenterology, Neurosciences, and Radiology. She has completed her Bachelors in Biomedical Sciences from DU and then pursued Masters in Biotechnology from Amity University. She has a working experience of 5 years in the field of medical research writing, scientific writing, content writing, and content management. She can be contacted at  editorial@medicaldialogues.in. Contact no. 011-43720751
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751