Exploratory Clinical Study on Fasting in Psoriasis and Psoriatic Arthritis (RiseFast)

Summary

The RiseFast pilot study will investigate the clinical, metabolic and immunological effects of fasting and plant-based diet (PBD) on patients with psoriasis (PsO) and psoriatic arthritis (PsA) on their gut microbiota. The project will combine clinical assessments, cytometric profiling, and gut microbiota analysis to explore the relationship between fasting, a plant-based diet, and psoriatic disease. The study includes a 7-day fasting period followed by 11 weeks of PBD, with the goal of improving disease activity, quality of life, and understanding the role of gut microbiota in these conditions. This approach could lead to low-cost, accessible therapeutic options with minimal side effects.

Eligibility

Inclusion Criteria:

* Active plaque psoriasis (PASI ≥3) or Psoriatic Arthritis fulfilling the Classification Criteria for Psoriatic Arthritis (CASPAR) and not meeting MDA criteria
* on stable baseline psoriatic treatment for 12 weeks before enrollment
* ≥ 18 years old

Exclusion Criteria:

* Pregnancy or breastfeeding
* underweight (BMI ≤18,5)
* eating disorder in the last 5 years
* severe internal diseases (e.g. renal insufficiency with creatinine \> 2mg/dl)
* current practice of vegan diet or fasting within the past 6 months
* use of antibiotics within the past 3 months

Conditions3

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