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NCT05649098 | Recruiting | Skin Diseases

Repurposing Dupilumab for Management of Pruritic Genetic Inflammatory Skin Disorders
Sponsor:

Northwestern University

Information provided by (Responsible Party):

Amy Paller

Brief Summary:

Severe itch is a common symptom of many genetic skin disorders and leads to a negative impact on patient quality of life. The investigators hypothesize that: a) intervention with dupilumab will improve itch in patients with pruritic genetic inflammatory skin disorders, even those not recognized to be Th2-driven; and b) the administration of dupilumab will be well-tolerated, regardless of underlying genetic skin disorder. The total clinical study duration will be 26 months (104 Weeks). The treatment period will include a 16-week open-label phase and a 20-month long-term extension phase for those who qualify and wish to continue.

Condition or disease

Skin Diseases

Intervention/treatment

Dupilumab

Phase

Early Phase 1

Study Type : Interventional
Estimated Enrollment : 30 participants
Masking : None (Open Label)
Primary Purpose : Treatment
Official Title : Repurposing Dupilumab for Management of Pruritic Genetic Inflammatory Skin Disorders: a Single-Site Pilot Study
Actual Study Start Date : June 12, 2023
Estimated Primary Completion Date : June 30, 2025
Estimated Study Completion Date : June 1, 2026
Arm Intervention/treatment

Experimental: Open-Label Dupilumab

Drug: Dupilumab
Ages Eligible for Study: 6 Months
Sexes Eligible for Study: All
Accepts Healthy Volunteers: No
Criteria
Inclusion Criteria
  • Male or female > 6 months of age at screening visit
  • Clinical diagnosis of a genetic skin disorder at the screening visit, ideally with genetic or histological confirmation.
  • Must have had the gene with one or more variants identified by genotyping. If the genotype has not been performed or has not been performed at a CLIA-approved laboratory, be willing to provide a sample (saliva, buccal swab, blood) for genetic testing before starting the dupilumab.
  • Average Itch Numerical Rating Scale (NRS) ≥ 4 and Worst Itch NRS of at least 5 during the previous 7 days (self-reported if >8 years old; proxy reported if under 8 years)
  • Must be willing to provide information weekly about Average and Worst Itch/self- or proxy-assessed severity and wear the sensor device to track itch and sleep weekly throughout the first 24 weeks of the trial (Parts A and B).
  • Must be willing and able to adhere to the prohibitions and restrictions specified in this protocol.
  • Subject, parent/caregiver or legal guardians, as appropriate, are able to understand and complete the study requirements and study-related questionnaires
Exclusion Criteria
  • Subjects < 6 months of age at screening visit.
  • Unable to provide informed consent or assent (or who do not have consent from a Legally Authorized Representative if < 18 years).
  • Diagnosis of ichthyosis vulgaris as the sole inherited disorder
  • Used of dupilumab within 5 drug half-lives (105 days) of baseline visit
  • Subjects who have used any of the following treatments within 4 weeks, or within a period equal to 5 times the half-life of the drug, before the baseline visit, whichever is longer
    • Immunosuppressive/immunomodulating drugs (eg, systemic corticosteroids, cyclosporine, mycophenolate-mofetil, IFN-γ, Janus kinase inhibitors, azathioprine, methotrexate, etc.), systemic anti-inflammatory medication, or phototherapy
    • Other biologics: within 5 half-lives (if known) or 16 weeks, whichever is longer
    • Initiation of topical or systemic retinoids, topical keratolytics, or topical anti-inflammatory agents within 4 weeks before study start/Part A (systemic retinoids and topical medications/emollients can be used during the trial if started at least 4 wks before the observation period and continued throughout Parts A and B). Note: Rescue therapy for disease flares or local infection will be allowed per investigator discretion but must be for no more than a total of 1 week during any 4-week period and, if topical, involve application to less than 10% BSA.
    • Subjects with active infections or recent history of serious infections, malignancies or history of malignancies, or any severe, progressive, or uncontrolled renal, hepatic, hematologic, endocrine, pulmonary, cardiac, neurologic or psychiatric cerebral disease, or signs or symptoms thereof. It is recognized that patients with ichthyosis may have arthritis, while patients with junctional or dystrophic EB may have a variety of associated issues (eg nutritional, anemia, etc). The decision to include will be based on investigator's discretion but must reflect the likelihood for stable disease and lack of anticipated interference with assessment of itch.
    • Treatment with a live (attenuated) vaccine within 4 weeks before the Week 0 visit when dupilumab is initiated; use of vaccination during the study requires consultation with the study investigator and primary care provider.
    • Active acute or chronic infection requiring treatment with systemic antibiotics/ anti-virals/ anti-fungals within 2 weeks before the initiation of dupilumab (start of dupilumab can be delayed). Delay in initiation because of treatment with a topical antimicrobial to a localized superficial site will be determined by the investigator.
Repurposing Dupilumab for Management of Pruritic Genetic Inflammatory Skin Disorders

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Repurposing Dupilumab for Management of Pruritic Genetic Inflammatory Skin Disorders

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Locations

Recruiting

United States, Illinois

Ann & Robert H. Lurie Children's Hospital of Chicago

Chicago, Illinois, United States, 60611