A Plaque Test Comparing the Anti-psoriatic Effect of Marketed Products for Topical Use for Psoriasis Vulgaris

February 21, 2025 updated by: LEO Pharma

A Plaque Test Comparing 4 Steroids With Daivobet® Ointment and a Vehicle Control for the Treatment of Psoriasis Vulgaris

The purpose of the study is to compare the anti-psoriatic effect of marketed products with Daivobet® ointment in a plaque test

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

24

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Saint Quentin Yvelines Cedex, France, 78054
        • LEO Pharma Investigational Site

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria: (in summary)

  • Subjects having understood and signed an informed consent form
  • All skin types
  • Subjects with a diagnosis of psoriasis vulgaris with lesions located on arms, legs or trunk. The lesions must have a total size suitable for application. The subjects should be asked if their lesions have been stable
  • Subjects willing and able to follow all the study procedures and complete the whole study
  • Subjects affiliated to social security system

Exclusion Criteria: (in summary)

  • Females who are pregnant, of child-bearing potential and who wish to become pregnant during the study, or who are breast feeding
  • Subjects using biological therapies (marketed or not marketed) with a possible effect on psoriasis (e.g. alefacept, efalizumab, etanercept, infliximab, adalimumab) within 12 weeks prior to study drug administration
  • Systemic treatments with all other therapies than biologicals, with a potential effect on psoriasis vulgaris (e.g., corticosteroids, vitamin D-analogues, retinoids, immunosuppressants) within the 4-week period prior to randomisation
  • Subjects using one of the following topical drugs for the treatment of psoriasis within four (4) weeks prior to study drug administration: - Potent or very potent (WHO group III-IV) corticosteroids - PUVA or Grenz ray therapy
  • Subjects using one of the following topical drugs for the treatment of psoriasis within two (2) weeks prior to study drug administration: - WHO group I-II corticosteroids - Topical retinoids - Vitamin D-analogues - Topical immunomodulators (e.g. macrolides) - Anthracen derivatives - Tar - Salicylic acid - UVB therapy
  • Subjects with skin manifestations in relation to syphilis or tuberculosis, rosacea, perioral dermatitis, acne vulgaris, atrophic skin, striae atrophicae, fragility of skin veins, ichthyosis, acne rosacea, ulcers and wounds within the plaque test areas

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Other
  • Allocation: Randomized
  • Interventional Model: Single Group Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: all patients apply all products
Once daily application 6 days a week for 3 weeks
Once daily application 6 days a week for 3 weeks
Once daily application 6 days a week for 3 weeks
Once daily application 6 days a week for 3 weeks
Once daily application 6 days a week for 3 weeks
Once daily application 6 days a week for 3 weeks

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
The Absolute Change in Total Clinical Score (TCS) at End of Treatment Compared to Baseline for Daivobet® Ointment
Time Frame: Baseline and 3 weeks
The Total Clinical Score is the sum of three psoriasis scores (redness, thickness, and scaliness) and will range from 0 (best) to 9 (worst)
Baseline and 3 weeks
The Absolute Change in Total Clinical Score (TCS) at End of Treatment Compared to Baseline for Betnovat® Ointment
Time Frame: Baseline and 3 weeks
The Total Clinical Score is the sum of three psoriasis scores (redness, thickness, and scaliness) and will range from 0 (best) to 9 (worst)
Baseline and 3 weeks
The Absolute Change in Total Clinical Score (TCS) at End of Treatment Compared to Baseline for Elocon Ointment
Time Frame: Baseline and 3 weeks
The Total Clinical Score is the sum of three psoriasis scores (redness, thickness, and scaliness) and will range from 0 (best) to 9 (worst)
Baseline and 3 weeks
The Absolute Change in Total Clinical Score (TCS) at End of Treatment Compared to Baseline for Daivobet Ointment Vehicle
Time Frame: Baseline and 3 weeks
The Total Clinical Score is the sum of three psoriasis scores (redness, thickness, and scaliness) and will range from 0 (best) to 9 (worst)
Baseline and 3 weeks
The Absolute Change in Total Clinical Score (TCS) at End of Treatment Compared to Baseline for Dermovat Ointment
Time Frame: Baseline and 3 weeks
The Total Clinical Score is the sum of three psoriasis scores (redness, thickness, and scaliness) and will range from 0 (best) to 9 (worst)
Baseline and 3 weeks
The Absolute Change in Total Clinical Score (TCS) at End of Treatment Compared to Baseline for Diprosalic Ointment
Time Frame: Baseline and 3 weeks
The Total Clinical Score is the sum of three psoriasis scores (redness, thickness, and scaliness) and will range from 0 (best) to 9 (worst)
Baseline and 3 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Investigators

  • Study Director: Medical Expert, LEO Pharma

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

January 1, 2009

Primary Completion (Actual)

March 1, 2009

Study Completion (Actual)

May 1, 2009

Study Registration Dates

First Submitted

February 16, 2009

First Submitted That Met QC Criteria

February 16, 2009

First Posted (Estimated)

February 18, 2009

Study Record Updates

Last Update Posted (Actual)

March 25, 2025

Last Update Submitted That Met QC Criteria

February 21, 2025

Last Verified

March 1, 2015

More Information

Terms related to this study

Other Study ID Numbers

  • PLQ-002

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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