- ICH GCP
- US-Register für klinische Studien
- Klinische Studie 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.
Studienübersicht
Status
Bedingungen
Intervention / Behandlung
Detaillierte Beschreibung
Studientyp
Einschreibung (Geschätzt)
Kontakte und Standorte
Studienkontakt
- Name: PATRICK VERMERSCH, Pr
- Telefonnummer: 06.33.38.32.60
- E-Mail: patrick.vermersch@chu-lille.fr
Studienorte
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Lille, Frankreich, 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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Teilnahmekriterien
Zulassungskriterien
Studienberechtigtes Alter
- Erwachsene
- Älterer Erwachsener
Akzeptiert gesunde Freiwillige
Probenahmeverfahren
Studienpopulation
Beschreibung
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
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
Kohorten und Interventionen
Gruppe / Kohorte |
Intervention / Behandlung |
|---|---|
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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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Was misst die Studie?
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Zeitfenster |
|---|---|
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Slope of serum immunoglobulin G (IgG) levels during ocrelizumab treatment period (minimum 18 months)
Zeitfenster: 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)
Zeitfenster: 42 months
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42 months
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Sekundäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
|
Age at baseline (years)
Zeitfenster: Baseline
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Baseline
|
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Number and percentage of patients with stable serum IgG levels
Zeitfenster: 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
Zeitfenster: 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)
Zeitfenster: 24 months
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24 months
|
|
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Number of patients who discontinued ofatumumab before the end of follow-up
Zeitfenster: 24 months
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24 months
|
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Number and type of adverse events (AEs) during ofatumumab follow-up period
Zeitfenster: 24 months
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24 months
|
|
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Disease duration (years since diagnosis)
Zeitfenster: Baseline
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Baseline
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Number and percentage of patients with increased serum IgG levels
Zeitfenster: 24 months
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24 months
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|
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Slope of serum immunoglobulin M (IgM) levels during ofatumumab treatment period (24 months)
Zeitfenster: 24 months
|
24 months
|
|
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Number of relapses per patient after switch to ofatumumab
Zeitfenster: 24 months
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24 months
|
|
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Reasons for discontinuation of ofatumumab before the end of follow-up
Zeitfenster: 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
Zeitfenster: 24 months
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24 months
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Distribution of Expanded Disability Status Scale (EDSS) scores after switch to ofatumumab
Zeitfenster: 24 months
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Expanded Disability Status Scale (EDSS): score range 0-10, where higher scores indicate greater neurological disability (worse outcome).
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24 months
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Sex distribution (male/female, percentage of patients)
Zeitfenster: Baseline
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Baseline
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Distribution of Fatigue Severity Scale (FSS) scores after switch to ofatumumab
Zeitfenster: 24 months
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Fatigue Severity Scale (FSS): score range 9-63, where higher scores indicate greater fatigue severity (worse outcome).
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24 months
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Distribution of Multiple Sclerosis Functional Composite (MSFC) scores after switch to ofatumumab
Zeitfenster: 24 months
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Multiple Sclerosis Functional Composite (MSFC): standardized composite score (z-score), with higher scores indicating better neurological function (better outcome).
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24 months
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Mitarbeiter und Ermittler
Sponsor
Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn (Geschätzt)
Primärer Abschluss (Geschätzt)
Studienabschluss (Geschätzt)
Studienanmeldedaten
Zuerst eingereicht
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst gepostet (Tatsächlich)
Studienaufzeichnungsaktualisierungen
Letztes Update gepostet (Tatsächlich)
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Zuletzt verifiziert
Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Schlüsselwörter
Zusätzliche relevante MeSH-Bedingungen
Andere Studien-ID-Nummern
- 2024_0720
- 2025-A02557-42 (Andere Kennung: [ID-RCB number, ANSM])
Arzneimittel- und Geräteinformationen, Studienunterlagen
Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt
Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt
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