- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT07625800
Switch to Ofatumumab and Level of Immunoglobulins (SOLI)
This real-life study aims to describe IgG levels after switching from ocrelizumab 600 mg IV every 6 to 8 months in Patients with Multiple Sclerosis (PwMS) to ofatumumab 20 mg SC every month and showing a decreasing level of IgG during treatment by ocrelizumab in real life practice in France over 24 months of follow-up.
The primary objective is therefore to determine if the downward trend of IgG observed during ocrelizumab treatment is modified after a switch to ofatumumab, in PwMS treated during at least 18 months of ocrelizumab in real life practice, over 24 months of follow-up.
Studieoversigt
Status
Betingelser
Intervention / Behandling
Detaljeret beskrivelse
Undersøgelsestype
Tilmelding (Anslået)
Kontakter og lokationer
Studiekontakt
- Navn: PATRICK VERMERSCH, Pr
- Telefonnummer: 06.33.38.32.60
- E-mail: patrick.vermersch@chu-lille.fr
Studiesteder
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-
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Lille, Frankrig, 59000
- CHU de Lille
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Kontakt:
- Patrick VERMERSCH, Dr
- Telefonnummer: 06.33.38.32.60
- E-mail: patrick.vermersch@chu-lille.fr
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Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
- Ældre voksen
Tager imod sunde frivillige
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
Inclusion Criteria:
- Adult patients (≥ 18 years old) who had been treated with ocrelizumab for a relapsing form of Multiple Sclerosis according to the ocrelizumab marketing authorization (MA) treatment regimen for at least 18 months.
- Patients with a decrease of IgG at a minimum of two consecutive dosages (around six months apart) during ocrelizumab treatment*.
- Patients already switched or switching from ocrelizumab to ofatumumab treatment (decision independent from the study*).
- Patients agreeing to participate to the study.
Able to provide their non-opposition
- At the discretion of the investigator, if a benefit for patients is expected based on their experience and depending on patient's characteristics
Exclusion Criteria:
- Patients with ocrelizumab dose spacing > 8 months in the last 18 months before switch
- Patient who underwent an immunoglobulin supplementation therapy within 18 months before the switch
- Ongoing or planned pregnancy
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Kohorter og interventioner
Gruppe / kohorte |
Intervention / Behandling |
|---|---|
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Ofatumumab
Adult patients (≥18 years) with relapsing multiple sclerosis treated with ocrelizumab for at least 18 months and already switched or switching from ocrelizumab to ofatumumab treatment
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There is no treatment allocation.
Participants with MS that initiated treatment with ofatumumab (Kesimpta ®) as per neurologist practice and regardless of the study protocol.
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Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
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Slope of serum immunoglobulin G (IgG) levels during ocrelizumab treatment period (minimum 18 months)
Tidsramme: 42 months
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42 months
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Slope of serum immunoglobulin G (IgG) levels during ofatumumab treatment period (24 months)
Tidsramme: 42 months
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42 months
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Sekundære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Age at baseline (years)
Tidsramme: Baseline
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Baseline
|
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Number and percentage of patients with stable serum IgG levels
Tidsramme: 24 months
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24 months
|
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Number of severe infections occurring during ocrelizumab treatment period prior to switch to ofatumumab
Tidsramme: 18 months
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18 months
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Slope of serum immunoglobulin M (IgM) levels during ocrelizumab treatment period (minimum 18 months)
Tidsramme: 24 months
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24 months
|
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Distribution of Expanded Disability Status Scale (EDSS) scores after switch to ofatumumab
Tidsramme: 24 months
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24 months
|
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Number of patients who discontinued ofatumumab before the end of follow-up
Tidsramme: 24 months
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24 months
|
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Number and type of adverse events (AEs) during ofatumumab follow-up period
Tidsramme: 24 months
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24 months
|
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Disease duration (years since diagnosis)
Tidsramme: Baseline
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Baseline
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Sex distribution (male/female, %)
Tidsramme: Baseline
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Baseline
|
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Number and percentage of patients with increased serum IgG levels
Tidsramme: 24 months
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24 months
|
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Slope of serum immunoglobulin M (IgM) levels during ofatumumab treatment period (24 months)
Tidsramme: 24 months
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24 months
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Distribution of Fatigue Severity Scale (FSS) scores after switch to ofatumumab
Tidsramme: 24 months
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24 months
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Distribution of Multiple Sclerosis Functional Composite (MSFC) scores after switch to ofatumumab
Tidsramme: 24 months
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24 months
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Number of relapses per patient after switch to ofatumumab
Tidsramme: 24 months
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24 months
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Reasons for discontinuation of ofatumumab before the end of follow-up
Tidsramme: 24 months
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24 months
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Number and type of serious adverse events (SAEs) during ofatumumab follow-up period
Tidsramme: 24 months
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24 months
|
Samarbejdspartnere og efterforskere
Sponsor
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
- 2024_0720
- 2025-A02557-42 (Anden identifikator: [ID-RCB number, ANSM])
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Studerer et amerikansk FDA-reguleret enhedsprodukt
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