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Groundbreaking Treatment for Palmoplantar Pustulosis: 308-nm Excimer Light Shows Promise, Study Reveals

Written By : Medha Baranwal |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2024-06-17T03:30:06+05:30  |  Updated On 17 Jun 2024 3:30 AM IST
Groundbreaking Treatment for Palmoplantar Pustulosis: 308-nm Excimer Light Shows Promise, Study Reveals
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Japan: In a breakthrough revelation, a recent study published in The Journal of Dermatology has demonstrated the efficacy of 308-nm excimer light therapy in treating palmoplantar pustulosis (PPP), irrespective of the presence or absence of focal infection. The real-world experience conducted at a single center sheds new light on managing a condition that has long posed challenges to dermatologists and patients alike.

"Treatment with 308-nm excimer light is effective in palmoplantar pustulosis patients," the researchers wrote. Patients who quit smoking were responsive to any treatment, suggesting the importance of smoking cessation.

Palmoplantar pustulosis (PPP), characterized by pustule formation on the palms and soles, is relatively rare, and recognition of PPP is different in different countries. Therefore, real-world data are limited. Local phototherapy for the palms and the soles is commonly used for PPP treatment owing to tolerable safety. However, data is limited on the effectiveness of 308-nm excimer light.

To fill this knowledge gap, Yoshiko Niimura, Department of Dermatology, Teikyo University School of Medicine, Tokyo, Japan, and colleagues aimed to retrospectively investigate the effectiveness of treatments for PPP, especially phototherapy (308-nm excimer light), in their department. In addition, they also examined whether focal infection and smoking status affected responsiveness to treatment of PPP.

The researchers analyzed patients diagnosed with palmoplantar pustulosis by board-certified dermatologists and visited the hospital from 2015 to 2018. Data on the PPP area severity index (PPPASI) before treatment was collected. They also collected data on PPPASI from May to August 2018 as “after treatment” from all patients.

Patients who received any treatment for less than three months were excluded. The study included nineteen patients (16 women and three men).

The study revealed the following findings:

  • In patients treated with phototherapy (n = 12), PPPASI significantly decreased from a mean ± SD of 16.5 ± 10.3 to 4.5 ± 3.6, whereas it did not in patients treated without phototherapy (n = 7).
  • Patients who quit smoking showed a significant decrease in PPPASI after treatment (16.8 ± 12.7 to 2.4 ± 2.9).
  • Regarding focal infection, in patients treated without phototherapy, the reduction rate of PPPASI was significantly lower in patients with focal infection than in those without focal infection (17.7 ± 21.5%, 71.1 ± 19.3%), indicating that focal infection is associated with intractability.
  • In patients treated with phototherapy, PPPASI decreased regardless of the presence or absence of focal infection.

As dermatologists and researchers continue to explore innovative treatment modalities, the findings of this study serve as a beacon of hope for those affected by palmoplantar pustulosis. With 308-nm excimer light therapy emerging as a promising avenue for managing this challenging condition, the future is promising for improved quality of life and enhanced therapeutic outcomes for patients worldwide.

Reference:

Niimura, Y., Kamata, M., Ishikawa, T., Nagata, M., Ito, M., Watanabe, A., Egawa, S., Uchida, H., Hiura, A., Fukaya, S., Hayashi, K., Fukuyasu, A., Tanaka, T., & Tada, Y. 308-nm excimer light is effective for palmoplantar pustulosis regardless of the presence or absence of focal infection: Single-center real-world experience of treatment for palmoplantar pustulosis. The Journal of Dermatology. https://doi.org/10.1111/1346-8138.17191


The Journal of Dermatologypalmoplantar pustulosisexcimer lightfocal infectionsmokingsmoking cessation
Source : The Journal of Dermatology
Medha Baranwal
Medha Baranwal

    MSc. Biotechnology

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    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

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