A Pilot Study to Examine the Efficacy and Tolerability of Sirolimus on Epidermal Nevi Lesions in Patients 6 Years Old and Above.
Studieoversigt
Status
Betingelser
Intervention / Behandling
Detaljeret beskrivelse
Epidermal nevi are skin growths that develop because of a genetic change that occurs after conception, meaning only some skin cells are affected. These growths appear as thickened, often darker areas of skin that form lines or swirls. On the arms and legs, they usually appear as straight streaks, while on the trunk and face they follow curved patterns called the lines of Blaschko, which reflect how skin cells develop before birth.
These skin changes are caused by specific genetic changes that turn on certain cell growth pathways inside skin cells. Most linear verrucous epidermal nevi involve one of two major pathways that control cell growth: the PI3K/AKT/mTOR pathway or the RAS/MAPK pathway. In more than 40% of cases, changes in the FGFR3 or PIK3CA genes cause constant activation of the PI3K/AKT/mTOR pathway, leading to excess skin growth.
Sirolimus (also called rapamycin) is a medication that blocks the mTOR pathway, slowing down cell growth and protein production. Medications like this are already used to treat certain cancers caused by overactive mTOR signaling.
Topical sirolimus is FDA-approved as a 0.2% gel (Hyftor) to treat facial angiofibromas in people with tuberous sclerosis complex (TSC). In TSC, genetic changes cause the mTOR pathway to be overly active, leading to skin growths called angiofibromas. Studies have shown that applying sirolimus to the skin can reduce the size and visibility of these lesions.
Undersøgelsestype
Tilmelding (Anslået)
Fase
- Tidlig fase 1
Kontakter og lokationer
Studiekontakt
- Navn: Dermatology CTU
- Telefonnummer: 312-503-5944
- E-mail: NUderm-research@northwestern.edu
Studiesteder
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Illinois
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Chicago, Illinois, Forenede Stater, 60611
- Northwestern University Feinberg School of Medicine, Department of Dermatology
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Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Barn
- Voksen
- Ældre voksen
Tager imod sunde frivillige
Beskrivelse
Inclusion Criteria:
- Patients 6 years of age or above with a non-inflammatory epidermal nevi
- Lesion(s) that have been present for at least 3 years and are relatively stable
- At least 2 cm in length (ideally continuous, but can be cumulatively)
- The lesions is raised, hyperpigmented compared to the surrounding skin, and is noninflammatory with a physician global assessment (PGA) of at least 3 (moderate).
- Agree to avoid emollient use at the nevus site throughout the study
- Agree to not bath or shower 2 hours post-application, knowing that the gel can be applied after bathing or showering.
Exclusion Criteria:
- Patients currently or recently (within past 4 weeks) using a topical keratolytic or topical anti-inflammatory medication at the lesional site (i.e. topical steroid, topical retinoid, alpha-OH acid)
- Pregnant or planning to become pregnant during the course of the study
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: N/A
- Interventionel model: Enkelt gruppeopgave
- Maskning: Ingen (Åben etiket)
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
|---|---|
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Eksperimentel: Patients 6 years of age or older with a non-inflammatory epidermal nevi
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Topical sirolimus will be applied twice daily to the nevi with a maximum daily dose of 600 mg for patients 6-11 years of age and 800 mg for patients 12 years and older.
Andre navne:
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Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Improvement of nevi flattening and normalization of skin color
Tidsramme: 12 weeks
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The extent of nevi improvement will be scored at baseline and week 12 from standardized photographs by two independent asessors with an adjudicator (if needed). The score will be defined as follows: 0 = 100% improvement
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12 weeks
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Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Satisfaction scores of treatment
Tidsramme: 12 weeks
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Patients (and parents/LAR) will be asked for their satisfaction of the treatment (not satisfied, satisfied, very satisfied) at week 12
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12 weeks
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Patient-reported improvement of lesion
Tidsramme: 12 weeks
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Patients (and parents/LAR) will be asked their self-evaluation of lesion improvment from 0-5 (0= cleared, 1= almost cleared, 2= good improvement, 3= slight improvement, 4= no change, 5= worse) at baseline and week 12
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12 weeks
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Reduction in peak itch score
Tidsramme: 12 weeks
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At least 2-point reduction in peak itch NRS score (on a scale of 0-10, 0=no itch and 10=worse itch) from baseline to week 12
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12 weeks
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Samarbejdspartnere og efterforskere
Sponsor
Efterforskere
- Ledende efterforsker: Amy Paller, MD, Northwestern University
Datoer for undersøgelser
Studer store datoer
Studiestart (Anslået)
Primær færdiggørelse (Anslået)
Studieafslutning (Anslået)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- STU00224904
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
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Studerer et amerikansk FDA-reguleret enhedsprodukt
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