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Tidlig intervention i plakpsoriasis: er bimekizumab i stand til at forsinke kronisk inflammation? (EARLYPSO)

28. september 2026 opdateret af: Centre Hospitalier Universitaire de Nice

Tidlig intervention i plakpsoriasis: er bimekizumab i stand til at forsinke kronisk inflammation? Prospektiv multicenterinterventionsundersøgelse

Psoriasis is a chronic inflammatory condition driven by a complex interplay between heritable and microenvironmental factors. Genome-wide heritability for psoriasis (PsO) is estimated at up to 50%. Although bearing genetic susceptibility at birth, most patients will remain disease free for years until an exposomal trigger activates the immunological pathway that leads to the first disease flare. In rare patients, the first flare is an isolated event, but in most patients it will evolve into a chronically relapsing-remitting disease characterized by lasting lesions and recurrent flares. Primary objective is to compare efficacy of bimekizumab versus topical corticosteroids on psoriasis clinical disease activity, assessed by PGA, at week 16 and week 24.

Patients will be randomized 1:1 to receive either 320mg bimekizumab at weeks 0 (W0), W4, W8 and W12, or clobetasol ointment for 2 to 4 weeks until complete clearance of the lesion. After a maximum of 4 weeks topical clobetasol will be applied twice weekly on the site of lesion until week 16 then stopped. Patients will not receive active treatment between week 16-24. Between week 24-96 patients that flare can receive continuous topical clobetasol if needed. These patients will be considered non-responders at subsequent timepoints for the main analysis. If the patients worsen their psoriasis under the treatments given during the study and progress to moderate or severe psoriasis (PASI 10 and above) they will end their participation to the study to receive a treatment adapted to the new severity of their psoriasis. The patients will be referred to their dermatologist to receive the actual standard of care adapted to their new condition.

During the study, the following assessments will be performed and samples will be collected

Studieoversigt

Status

Rekruttering

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

40

Fase

  • Fase 2

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Undersøgelse Kontakt Backup

Studiesteder

      • Lyon, Frankrig, 69003
        • Rekruttering
        • Hôpital Edouard Herriot
        • Kontakt:
        • Underforsker:
          • axel VILLANI, PhD
      • Marseille, Frankrig, 13005
        • Rekruttering
        • Hôpital Saint-Joseph
        • Kontakt:
        • Underforsker:
          • Nathalie QUILES
      • Martigues, Frankrig, 13500
        • Rekruttering
        • Cabinet Dermatologie Dr RUER
        • Kontakt:
        • Underforsker:
          • Mireille RUER
      • Saint-Etienne, Frankrig, 42055
        • Rekruttering
        • CHU Saint-Etienne
        • Kontakt:
        • Underforsker:
          • Jean-Luc Perrot, PhD
      • Toulon, Frankrig, 83000
        • Rekruttering
        • CHITS
        • Kontakt:
        • Underforsker:
          • Thierry BOYE, Ph
      • Villeurbanne, Frankrig, 69100
        • Tilmelding efter invitation
        • Médipole Villeurbanne
    • Alpes-Maritimes
      • Nice, Alpes-Maritimes, Frankrig, 06200
        • Rekruttering
        • CHU de Nice - Hôpital de l'Archet
        • Kontakt:
        • Ledende efterforsker:
          • Thierry Passeron, PhD

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år til 45 år (Voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  1. Men and women

  2. ≥ 18 and <45 years

  3. Plaque psoriasis without psoriatic arthritis

  4. Patients with mild psoriasis PASI >2 and <6

  5. Patient with at least one lesion on the elbows, or the knees, or the lower back to be recorded as target lesion (additional lesions in other areas on top are allowed)

  6. Disease duration less than 6 months (short duration psoriasis) or >2 years (long duration psoriasis)

  7. The psoriasis lesions should not having being treated by any topical treatment for at least 2 weeks

  8. For women of childbearing potential, an effective contraception (estroprogestative pill, contraceptive implant, IUD, condoms or tubal ligation) should be used for more than one month before the inclusion in the study. A urine pregnancy test (βHCG in urines) will be performed.

    Thus, a woman who is permanently sterile and therefore unable to procreate should not be subjected to pregnancy tests.

    Women who are sexually abstinent are not requested to use a contraception. However, they must agree to take one if they want to become sexually active.

  9. Affiliation to a social security system

  10. Signed informed consent

  11. Patient willing and able to attend all study visits

Exclusion Criteria:

  1. Pregnant or breast-feeding women. Or women who plan to get pregnant during the study duration.
  2. Concomitant use of topical or systemic immunosuppressive medication or steroids in the past 12 weeks
  3. Personal history of skin cancer
  4. Personal history of cancer of less than 5 years
  5. Patients with active infection
  6. Abnormal blood counts (neutrophils <1500/mm3 and platelets <150 000/mm3) and/or positive HIV, HVB and HVC testing at screening.
  7. Patients with personal history of keloid scars
  8. Patients with personal history of hypersentitivity to xylocaine and/or adrenalin
  9. Vulnerable people: minors, adult under guardianship or deprived of freedom
  10. Participants in other clinical therapeutic studies involving a drug that could interfere with the present evaluation

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Treatment Group Bimekizumab

Bimekizumab 320mg given at weeks wk0, wk4, wk8 and wk12

Bimekizumab 320mg given at weeks wk0, wk4, wk8 and wk12

Aktiv komparator: Comparator group Clobetasol

Once daily evening application of 0.05% of clobetasol ointment for up to 4 weeks. The randomization will take place at the end of V1, baseline visit, after verifying the selection criteria and written consent, by the investigator in charge of the patient in each center.

Once daily evening application of 0.05% of clobetasol ointment for up to 4 weeks

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Efficacy of bimekizumab versus topical corticosteroids on psoriasis
Tidsramme: at 24 weeks

The Physician's global Assessment is a validated method to simply assess plaque psoriasis severity using a scale ranging from 0 to 5 (Low to severe)

at 24 weeks

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
To compare patient's quality of life between BKZ and topical corticosteroids
Tidsramme: at 24 weeks

The Dermatological Life Quality Index is the main score to assess the impact of dermatoses on the quality of life of affected individuals. The score ranges from 0 to 30, with quality of life varying from pleasant to not at all pleasant.

at 24 weeks

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Efterforskere

  • Ledende efterforsker: Thierry Passeron, PhD, CHU de Nice, Service de Dermatologie

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

22. juli 2025

Primær færdiggørelse (Anslået)

22. juli 2028

Studieafslutning (Anslået)

1. januar 2029

Datoer for studieregistrering

Først indsendt

16. december 2024

Først indsendt, der opfyldte QC-kriterier

16. december 2024

Først opslået (Faktiske)

19. december 2024

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

1. oktober 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

28. september 2026

Sidst verificeret

1. september 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • 24-PP-01

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

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