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Pityriasis Rubra PilarisPhase 2NCT03975153

Guselkumab in the Treatment of Pityriasis Rubra Pilaris (PRP)

A Phase 2 study testing guselkumab in people with Pityriasis Rubra Pilaris, run by Oregon Health and Science University at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

15 patients with PRP will be treated with guselkumab for 20 weeks to determine safety and efficacy. Participants are required to travel to Portland, OR only for the first visit, week-4 visit, and week-24 visit. 3 visits in between these times and one follow up visit may be performed by secure videoconferencing. Read more about this study

Who is it for?
Ages 18 to 99 years
Conditions the study is for
Pityriasis Rubra Pilaris
What is being tested?
guselkumab
Could I receive a placebo?
No, everyone receives an active treatment
How many people
15 participants
Where
1 siteUnited States
Study dates
3 Oct 2019to 22 Mar 2024
Phase
Phase 2
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 99 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Diagnosis of PRP by clinical assessment
  • Male age 18-99, willing to use a reliable form of birth control if sexually active with a woman who is able to become pregnant.
  • Female age 18-99; either of non-childbearing potential or of childbearing potential who test negative for pregnancy and agree to use a reliable method of birth control or remain abstinent during the study and for at least 12 weeks following the last dose of guselkumab.
  • Involved body surface area (BSA) ≥ 10% at baseline (moderate-to-severe disease).
  • Are a candidate for phototherapy and/or systemic therapy.

Who cannot join

  • Willingness to travel to Oregon Health and Science University (OHSU) for all study visits, or willing/able to participate in remote videoconferencing visits with access to a computer with internet and webcam capabilities.
  • Known malignancy or lymphoproliferative disease (except treated basal cell skin cancer, treated squamous cell skin cancer, or treated cervical carcinoma in situ) for at least 5 years.
  • Active, untreated, acute or chronic infection, or immunocompromised to an extent that such that participation in the study would pose an unacceptable risk to the subject.
  • Positive for human immunodeficiency virus, hepatitis B virus, or hepatitis C virus.
  • Have latent or active untreated tuberculosis (TB), a positive QuantiFERON-TB Gold test result, signs or symptoms of active TB on medical history or physical examination, or close contact with a person with active TB who have not undergone evaluation or treatment for TB. Those who are currently • Previous treatment with any agent that targets the interleukin 23 p19 subunit specifically.
  • Systemic treatment with prednisone in the last 2 weeks, or other systemic therapies or phototherapy for PRP within the past 4 weeks or 5 half-lives prior to baseline, whichever is longer. For biologic therapies, the specific washout periods used will be: etanercept <28 days; infliximab, adalimumab, i
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  • Have a known allergy or hypersensitivity to any biologic therapy that would pose an unacceptable risk to the subject if participating in this study.
  • Have or intend to have a live vaccine within 3 months prior to baseline or 12 months prior to baseline in the case of the Bacillus Calmette-Guerin (BCG) vaccine, or any live vaccine during the course of study or within 3 months after the last administration of study drug.
  • Had any major surgery within 8 weeks prior to baseline or will require major surgery during the study, that in the opinion of the investigator would pose an unacceptable risk to the subject.
  • Presence of significant uncontrolled cerebrovascular, respiratory, hepatic, renal, gastrointestinal, endocrine, hematologic, neurologic, or neuropsychiatric disorders, or abnormal laboratory screening values that, in the opinion of the investigator, pose an unacceptable risk to the subject if participating • Have clinical laboratory test results at screening that are outside the normal reference range of the population and are considered clinically significant, or have any of the following specific abnormalities: Neutrophil count <1500 cells/μL, white blood cell count <3500 cells/μL, platelet count <100,000
  • Women who are lactating or breastfeeding.
  • Have any other condition that precludes the subject from following and completing the protocol, in the opinion of the investigator.
  • Are investigator site personnel directly affiliated with this study and/or their immediate families (spouse, parent, child, or sibling).
  • Are currently enrolled in, or discontinued from a clinical trial involving an investigational product or non-approved use of a drug or device within the last 4 weeks or a period of at least 5 half-lives of the last administration of the drug, whichever is longer, or concurrently enrolled in any other type of medical research judged not to be scientifically or medically compatible with this study.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Oregon Health and Science University

    Portland, Oregon, 97239

Other trials in United States

About this study

Official title: An Open Label Pilot Trial of Guselkumab in the Treatment of Adults With Pityriasis Rubra Pilaris (PRP)

15 patients with PRP will be treated with guselkumab for 20 weeks to determine safety and efficacy. Participants are required to travel to Portland, OR only for the first visit, week-4 visit, and week-24 visit. 3 visits in between these times and one follow up visit may be performed by secure videoconferencing.

Read the detailed description

Pityriasis rubra pilaris (PRP) is a rare and poorly understood severe inflammatory skin disease characterized by widespread (often full-body) redness and flaking of the skin, painful thickening and cracking of the palms and soles, hair loss, crumbling nails, and severe skin itching and burning.

There is no FDA-approved therapy for this rare disease and the commonly used medications do not work for many patients. There is some evidence that interleukin (IL)-23 may be too high in the skin of PRP patients. Ixekizumab is an injectable medication that blocks IL-23 by binding the p19 subunit and is FDA-approved for psoriasis.

Being tested
guselkumab
Keywords
Interleukin-23, IL-23, guselkumab, Tremfya
Medical subject headings
Pityriasis Rubra Pilaris

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • guselkumabBiological

    Also called Tremfya

    Treatment at the FDA-approved psoriasis dosing for 20 weeks

Study groups in NCT03975153
Study groupRoleWhat they receive
guselkumab treatmentExperimentalTreatment with guselkumab for 20 weeks
Receives: Biological: guselkumab

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Mean Change From Baseline Psoriasis Area and Severity Index (PASI) at Week-24 After Treatment With Guselkumab.

    PASI measures the appearance of the skin based on erythema, scale, and elevation, multiplied by body surface area. 0 indicates completely clear skin. 72 is the maximum value, indicating the worst severity. A score of 11 or higher is considered severe disease.

    Measured: 24 weeks

Secondary outcomes (2)
  1. Proportion of Subjects Achieving a 4-point Improvement in Quality of Life Measured by the Dermatology Life Quality Index (DLQI) at Week-24.

    Quality of life will be measured by the Dermatology Life Quality Index (DLQI). There are 10 questions covering symptoms, embarrassment, shopping and home care, clothes, social and leisure, sport, work or study, close relationships, sex, and treatment. Each question refers to the impact of PRP on the patient's life over the previous week. The highest score is 30 and would indicate a maximum (negative) impact on quality of life. A score of zero would indicate no impact on quality of life. For inflammatory skin conditions, a 4-point improvement in DLQI score is considered clinically important.

    Measured: 24 weeks

  2. Proportion of Subjects With >50% Improvement With Psoriasis Area and Severity Index (PASI) at Week-24 Who Did Not Worsen at Week-36

    PASI measures the appearance of the skin based on erythema, scale, and elevation, multiplied by body surface area. 0 indicates completely clear skin. 72 is the maximum value, indicating the worst severity. A score of 11 or higher is considered severe disease. Trial participants who had a decrease in PASI by >50% from week-0 to week-24 were included in this analysis. Participants did not receive any additional doses of guselkumab after week-20, and PASI score at week-36 was calculated to assess for sustained remission.

    Measured: 36 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted5 Jun 2019
  2. Study start3 Oct 2019
  3. Primary completion11 Aug 2022
  4. Study completion22 Mar 2024

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
15 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03975153
Sponsor's protocol ID
00019343
Status last verified
May 2024
First submitted
3 Jun 2019
Last updated
24 May 2024
Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
No

Publications

  • Velasco RC, Shao C, Cutler B, Strunck J, Kent G, Cassidy PB, Choate K, Greiling TM. Guselkumab for Pityriasis Rubra Pilaris and Dysregulation of IL-23/IL-17 and NFkB Signaling: A Nonrandomized Trial. JAMA Dermatol. 2024 Jun 1;160(6):641-645. doi: 10.1001/jamadermatol.2024.0257.

    PubMed 38598229

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing guselkumab in people with Pityriasis Rubra Pilaris, run by Oregon Health and Science University at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 14 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 24 May 2024. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 24 May 2024). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Mean Change From Baseline Psoriasis Area and Severity Index (PASI) at Week-24 After Treatment With Guselkumab. (time frame: 24 weeks). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03975153, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 24 May 2024.

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