MUMBAI, India, May 29 -- Intellectual Property India has published a patent application (202641062329 A) filed by Adichunchanagiri University; and Adichunchanagiri Institute Of Medical Sciences, Mandya, Karnataka, on May 16, for 'efficacy and safety of fractional carbon dioxide laser versus glycolic acid (gca) 70% peel in treatment of acanthosis nigricans of neck - a comparative study.'
Inventor(s) include Dr. Athira Ajay; and Dr. M Ranga Swaroop.
The application for the patent was published on May 29, under issue no. 22/2026.
According to the abstract released by the Intellectual Property India: "Acanthosis nigricans (AN) is a common skin condition that causes dark, thick, and velvety patches, especially on the neck. It often affects obese individuals and creates significant cosmetic concerns that can reduce quality of life. This study was conducted to compare two effective treatment approaches: fractional CO2 laser therapy and 70% glycolic acid (GCA) chemical peeling for AN on the neck. Thirty patients were randomly divided into two groups and received four treatment sessions each. Improvement was measured using standardized scores like ANASI and Bruke's scale, along with physician assessment and patient satisfaction. Both treatments proved safe and effective, with the fractional CO2 laser group showing slightly better texture improvement and significantly higher patient satisfaction. The study highlights that these modalities can be reliably used in clinical practice to improve the appearance of acanthosis nigricans with minimal side effects."
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