Investigating Demodex Mite Density in Psoriasis Patients on Biologic Therapy

Association Between Biologic Therapy and Demodex Density in Psoriasis Patients: A Comparative Study

Observational Istanbul Medeniyet University · NCT05954572

This study is trying to see if psoriasis patients on biologic treatments have more or fewer Demodex mites on their skin compared to those who aren't using these medications.

Quick facts

Study typeObservational
Enrollment34 (estimated)
Ages18 Years to 70 Years
SexAll
SponsorIstanbul Medeniyet University Academic / other
Drugs / interventionsmethotrexate
Locations1 site (Istanbul, Kadıköy)
Trial IDNCT05954572 on ClinicalTrials.gov

What this trial studies

This observational study aims to compare the density of Demodex mites in psoriasis patients treated with biologic agents to those who are treatment-naive or using topical treatments. It employs a cross-sectional design, utilizing a standardized skin surface biopsy technique to assess Demodex density in four facial areas. The study will collect demographic data and treatment regimens while evaluating for other skin conditions associated with increased Demodex. Conducted at Istanbul Medeniyet University, the study seeks to determine if biologic therapy influences Demodex intensity in psoriasis patients.

Who should consider this trial

Good fit: Ideal candidates include psoriasis patients who are either receiving biologic therapy, using topical treatments, or are treatment-naive.

Not a fit: Patients undergoing systemic therapies other than biologic agents, such as methotrexate or cyclosporin, may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide insights into the relationship between biologic therapy and Demodex density, potentially guiding treatment decisions for psoriasis patients.

How similar studies have performed: While this specific approach is novel, similar studies have explored the relationship between skin conditions and Demodex density, indicating potential for meaningful findings.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* pathologically or clinically diagnosed psoriasis patients receiving biologic therapy or topical therapy or treatment naive.

Exclusion Criteria:

* systemic therapy other then biologic agents including methotrexate, asitretin, cyclosporin etc.

Where this trial is running

Istanbul, Kadıköy

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Demodicidosisdemodicosisdemodexpsoriasisbiologic therapyimmunosupression
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.