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Vurdering af makrofagaktiveringssyndrom ved STill's sygdom (AMETHYST)

30. september 2026 opdateret af: Swedish Orphan Biovitrum

Vurdering af makrofagaktiveringssyndrom ved STill's sygdom: Retrospektiv diagramanalyse af patienthistorie, symptomopløsning og behandlingskarakteristika

Assessment of Macrophage activation syndrome in STill's disease: retrospective chart analysis of patient History, Symptom resolution and Treatment characteristics

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

This is an observational, retrospective cohort study on the treatment utilization and outcomes of Macrophage Activation Syndrome (MAS) refractory to glucocorticoids (GC) in patients with Still's disease. The study will be conducted entirely through medical chart abstraction; all data will be taken from the patient's medical record, with no additional assessments.

Undersøgelsestype

Observationel

Tilmelding (Faktiske)

75

Kontakter og lokationer

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

Studiesteder

      • Calgary, Canada
        • Swedish Orphan Biovitrum Research Site
    • California
      • Los Angeles, California, Forenede Stater, 90095
        • Swedish Orphan Biovitrum Research Site
    • Georgia
      • Atlanta, Georgia, Forenede Stater, 30329
        • Swedish Orphan Biovitrum Research Site
    • Ohio
      • Cincinnati, Ohio, Forenede Stater, 45229
        • Swedish Orphan Biovitrum Research Site
    • Pennsylvania
      • Philadelphia, Pennsylvania, Forenede Stater, 19104
        • Swedish Orphan Biovitrum Research Site
      • Paris, Frankrig
        • Swedish Orphan Biovitrum Research Site
      • Utrecht, Holland
        • Swedish Orphan Biovitrum Research Site
      • Milan, Italien
        • Swedish Orphan Biovitrum Research Site
      • Rome, Italien
        • Swedish Orphan Biovitrum Research Site
      • Barcelona, Spanien
        • Swedish Orphan Biovitrum Research Site
      • Heidelberg, Tyskland
        • Swedish Orphan Biovitrum Research Site

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

6 måneder til 80 år (Barn, Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Prøveudtagningsmetode

Sandsynlighedsprøve

Studiebefolkning

The study population will include patients with Still's disease who were diagnosed with MAS that was refractory to GC treatment.

Beskrivelse

Inclusion Criteria:

  • Age >6 months and ≤80 years at the beginning of the index MAS episode.
  • Diagnosis of Still's disease (sJIA (systemic Juvenile Idiopathic Arthritis) or AOSD (Adult Onset Stills Disease) diagnosis).
  • Diagnosis of MAS according to treating physician in the medical record.
  • Patients who have received at least 3 consecutive days of GC after diagnosis of MAS and/or are judged by the Investigator to be refractory to GC due to clinical worsening of patient's condition .
  • The onset of the index MAS episode occurred between 01 January 2012 and 30 September 2022.

Exclusion Criteria:

  • A diagnosis of primary Hemophagocytic Lymphohistiocytosis (HLH) prior to the beginning of the index MAS episode.
  • Confirmed malignancy prior to the beginning of the index MAS episode.
  • Patient treated with any investigational product as a part of clinical trial during the index MAS episode.

Studieplan

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

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Observationsmodeller: OTHER
  • Tidsperspektiver: RETROSPECTIVE

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Overall survival
Tidsramme: 1 year

The proportion of patients alive after 1-year of follow-up

1 year
Time to laboratory value normalization
Tidsramme: From Index date up to 26 weeks

Time to normalization for the key laboratory values

From Index date up to 26 weeks
Time to Macrophage Activation Syndrome (MAS) laboratory remission
Tidsramme: From Index date up to 26 weeks

Time to normalization for all key laboratory values

From Index date up to 26 weeks
Time to partial MAS laboratory remission
Tidsramme: From Index date up to 26 weeks

Time to normalization for at least 3 key laboratory values

From Index date up to 26 weeks
Time to tapering of Glucocorticoids (GCs)
Tidsramme: from index date to the last of 7 consecutive days

From index date to the last of 7 consecutive days receiving ≤1 mg/kg/day of prednisone (PDN).

from index date to the last of 7 consecutive days
Number of recurrent MAS episodes
Tidsramme: through study completion

Occurring any time after the end of the data collection period for the index MAS episode

through study completion
Administration of organ support care
Tidsramme: from the index date until either the end of hospitalization or 26 weeks, whichever occurs later

Proportion of patients receiving hemodialysis, assisted ventilation, cardiac support, or inotropic drugs

from the index date until either the end of hospitalization or 26 weeks, whichever occurs later
Characteristics of MAS treatment
Tidsramme: for MAS episodes occurring during the data collection period

description of treatment patterns of MAS-related treatments for both index and recurrent MAS episodes.

for MAS episodes occurring during the data collection period
Clinical signs
Tidsramme: At index date and 8 weeks after index date or at the earliest time this data becomes available between 8 and 12 weeks

No of MAS symptoms (Fever, Skin rash, Hemorrhagic manifestations, Evidence of CNS involvement) present

At index date and 8 weeks after index date or at the earliest time this data becomes available between 8 and 12 weeks

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Time to hospital discharge
Tidsramme: Up to 26 weeks

Defined as time from the index date to discharge from the hospital

Up to 26 weeks
Time to intensive care unit (ICU) discharge
Tidsramme: Up to 26 weeks

For patients who are admitted to the ICU during the index MAS episode, this is defined as time from index date or ICU admission (whichever comes later) to ICU discharge

Up to 26 weeks
Duration of Clinical Response
Tidsramme: Until week 26

defined as the time (in days) from the date of first documented MAS laboratory remission until the date of first documented occurrence of a new MAS episode as per investigator's assessment.

Until week 26

Samarbejdspartnere og efterforskere

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

Sponsor

Efterforskere

  • Studieleder: Uwe Ullman, MD, Swedish Orphan Biovitrum AG Riehenring 182, 4058 Basel, Switzerland

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)

27. september 2023

Primær færdiggørelse (Faktiske)

26. september 2024

Studieafslutning (Faktiske)

26. september 2024

Datoer for studieregistrering

Først indsendt

9. april 2024

Først indsendt, der opfyldte QC-kriterier

7. maj 2024

Først opslået (Faktiske)

8. maj 2024

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

5. oktober 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

30. september 2026

Sidst verificeret

1. oktober 2024

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • Sobi.Emapalumab-105

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

produkt fremstillet i og eksporteret fra U.S.A.

Ja

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