A Study to Investigate Long-term Safety and Tolerability of Frexalimab in Participants With Multiple Sclerosis
A Phase 3 Extension Study to Investigate Long-term Safety and Tolerability of Frexalimab in Participants With Multiple Sclerosis.
Study LTS18002 is a global, multicenter, open-label (OL), Phase 3, long-term safety and efficacy extension study.
The purpose of this study is to provide continued access to frexalimab for participants with MS, and to evaluate the long-term safety and efficacy profile of frexalimab. This study will monitor delayed AEs, assess the durability of safety findings and characterize any emerging safety signals that may develop over an extended follow up period.
Study details include:
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The study duration will be up to 4 years.
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The OL treatment duration will be up to 96 weeks (corresponding to approximately 2 years) per participant.
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There is an additional 24 weeks of safety follow up from the last dose of OL frexalimab for all participants (safety follow-up period/EOS: 4, 12 and 24 weeks after last investigational medicinal product(IMP) or OL frexalimab administration).
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The number of visits over the 2-year duration will be dependent on subgroup assignment which is based on parent study from which the participant has entered the LTS18002 :
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ACT16877, EFC17504, EFC18098, and ASY22814 participants
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Will have on-site visits every 12 weeks (9 visits)
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Additionally, there will be 16 on-site visits for OL frexalimab administration (Week 4, 8, 16, 20, 28, 32, 40, 44, 52, 56, 64, 68, 76, 80, 88, and 92) for all participants EXCEPT those entering from EFC18098 (frexalimab open label administration is conducted at home via SC large volume (OBDS VT) device)
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There will be 3 follow up visits beginning 4 weeks after the last administration of OL frexalimab
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Home administration is allowed for participants from ACT16877, based on Investigator judgement, participant/caregiver training and local availability. Home nurse services are mandatory for at-home administration.
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Home nurse services for at home administration may be considered for EFC17504 participants after Week 24 administration of OL frexalimab, based on availability. Participants that have initiated OL frexalimab via home administration during the parent study may continue to receive it in this manner.
- NOTE: For participants from EFC17504, all on-site visits including monthly IMP administrations will include safety labs (biochemistry, hematology liver chemistry, and immunoglobulins) and physical exams
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EFC17919A/B participants
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Will have on site visits every 12 weeks (9 visits)
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Will have a total of 16 visits for OL frexalimab administration (Week 4, 8, 16, 20, 28, 32, 40, 44, 52, 56, 64, 68, 76, 80, 88, and 92)
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Additionally, there will be up to 3 visits for administration of DB treatment (until results become available and randomization assignment availability).
- Home nurse services for at home administration may be considered for EFC17919A/B participants after Week 24 administration of OL frexalimab, based on availability.
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NOTE: all on-site visits including monthly IMP administrations will include safety labs (biochemistry, hematology liver chemistry, and immunoglobulins) and physical exams.
Přehled studie
Postavení
Postavení
Podmínky
Podmínky
Intervence / Léčba
Intervence / Léčba
Typ studie
Typ studie
Zápis (Odhadovaný)
Zápis
Fáze
Fáze
- Fáze 3
Kontakty a umístění
Studijní kontakt
Studijní kontakt
- Jméno: Trial Transparency email recommended (Toll free for US & Canada)
- Telefonní číslo: option 6 800-633-1610
- E-mail: Contact-US@sanofi.com
Kritéria účasti
Kritéria způsobilosti
Kritéria způsobilosti
Věk způsobilý ke studiu
Přijímá zdravé dobrovolníky
Pohlaví způsobilá ke studiu
Popis
Inclusion Criteria:
- Participants with relapsing multiple sclerosis(RMS) or non-relapsing secondary progressive multiple sclerosis(nrSPMS) who completed, on IMP, the Phase 2 ACT16877 study, or one of the four Phase 3 frexalimab studies in MS indication (EFC17919A and EFC17919B, EFC17504, EFC18098), or planned Phase 2 biomarker ASY22814.
Exclusion Criteria:
- If IMP discontinuation criteria are met as per guidance
- The participant is at risk for or has a persistent chronic, active (including fever ≥38°C and clinically unstable), recurring systemic infection or opportunistic infections (eg, PML See Appendix in protocol) as judged by the Investigator.
- Notably low immunoglobulin G(IgG) levels, defined as a level that is 20% below the LLN, and/or notably low IgM level, defined as a level 10% below the LLN.
- Participants who developed clinically relevant cardiovascular, hepatic, endocrine, neuropsychiatric or other major systemic disease making implementation of the protocol or interpretation of the study results difficult or that would put the participant at risk by participating in the extension study, as judged by the Investigator.
- Clinical evidence, suspicion or significant risk for thromboembolic events, as well as myocardial infarction, stroke, and/or antiphospholipid syndrome and any participants requiring antithrombotic treatment.
- Continued need for/chronic use of a prohibited concomitant medication.
- Suicidal risk as per C-SSRS: if a participant scores "yes" on items 4 or 5 of the Suicidal Ideation Section, or "yes" on any item of the Suicidal Behavior Section.
The above information is not intended to contain all considerations relevant to a participant's potential participation in a clinical trial.
Studijní plán
Jak je studie koncipována?
Detaily designu
- Primární účel: Léčba
- Přidělení: Nerandomizované
- Intervenční model: Paralelní přiřazení
- Maskování: Žádné (otevřený štítek)
Počet zbraní
Zbraně a zásahy
Skupina účastníků / ArmSkupina účastníků / Arm |
Intervence / LéčbaIntervence / Léčba |
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Experimentální: Frexalimab SC (OL)
Participants will be administered frexalimab subcutaneous |
Pharmaceutical form:Solution for injection-Route of administration:SC
Ostatní jména:
Pharmaceutical form:Solution for infusion-Route of administration:IV
Ostatní jména:
Route of administration:IV |
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Experimentální: Frexalimab IV (OL)
Participants will be administered frexalimab intravenously |
Pharmaceutical form:Solution for injection-Route of administration:SC
Ostatní jména:
Pharmaceutical form:Solution for infusion-Route of administration:IV
Ostatní jména:
Route of administration:IV |
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Experimentální: Frexalimab (DB)
For EFC17919A/B parent study participants: at Opt-in visit participants will continue to be administered f rexalimab through unblinding visit. Participants will receive placebo tablet once daily until the unblinding visit. |
Pharmaceutical form:Solution for injection-Route of administration:SC
Ostatní jména:
Pharmaceutical form:Solution for infusion-Route of administration:IV
Ostatní jména:
Route of administration:IV Pharmaceutical form:Tablet-Route of administration:Oral Route of administration:oral Route of administration:oral |
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Aktivní komparátor: Teriflunomide (DB)
For EFC17919A/B parent study participants: at Opt-in visit participants will continue to receive teriflunomide tablet. The placebo will be administered to participants at the same infusion rate and duration as for frexalimab from the opt-in visit until availability of results and unblinding. |
Route of administration:IV Route of administration:oral Route of administration:oral Pharmaceutical form:Solution for infusion-Route of administration:IV Pharmaceutical form:Tablet-Route of administration:Oral |
Co je měření studie?
Primární výstupní opatření
Primární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
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Number of participants with Adverse Events(AEs)
Časové okno: up to to approximately 2.5 years since last participant in
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Number of participants with Adverse Events(AEs), serious adverse event(SAEs), AEs leading to permanent study intervention discontinuation, adverse event of special interest(AESIs), local tolerability, clinically significant abnormalities in laboratory tests, Columbia-Suicide Severity Rating Scale(C-SSRS) |
up to to approximately 2.5 years since last participant in
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Sekundární výstupní opatření
Sekundární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
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Participants from EFC17919A, EFC17919B, and EFC17504 studies only: time to onset of 6-month composite confirmed disability worsening(cCDW) for RMS or composite confirmed disability progression(cCDP) for nrSPMS
Časové okno: up to to approximately 2.5 years since last participant in
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up to to approximately 2.5 years since last participant in
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Time to onset of individual components of the composite, confirmed over 3 months or 6 months EDSS for all prior study participants 9-HPT, T25FW test (participants rolling over from EFC17504, EFC17919A, and EFC17919B)
Časové okno: up to to approximately 2.5 years since last participant in
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up to to approximately 2.5 years since last participant in
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Progression independent of relapse activity defined as the time to onset of 6-month cCDW
Časové okno: up to to approximately 2.5 years since last participant in
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Progression independent of relapse activity defined as the time to onset of 6-month cCDW, defined by either no prior relapse or an onset more than 90 days after the start date of the last Investigator reported relapse (participants rolling over from EFC17919A and EFC17919B) |
up to to approximately 2.5 years since last participant in
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Number of new and/or enlarging T2-hyperintense lesions per year as detected by MRI
Časové okno: up to to approximately 2.5 years since last participant in
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up to to approximately 2.5 years since last participant in
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Total number of new GdE T1 lesions per year as detected by MRI
Časové okno: up to to approximately 2.5 years since last participant in
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up to to approximately 2.5 years since last participant in
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Change from baseline at scheduled visits in total volume of T2-hyperintense lesions as detected by brain MRI
Časové okno: up to to approximately 2.5 years since last participant in
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up to to approximately 2.5 years since last participant in
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ARR assessed by confirmed protocol defined relapses
Časové okno: up to to approximately 2.5 years since last participant in
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up to to approximately 2.5 years since last participant in
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antidrug antibodys(ADAs) incidence
Časové okno: up to to approximately 2.5 years since last participant in
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up to to approximately 2.5 years since last participant in
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Change from baseline in serum immunoglobulin(Ig) levels
Časové okno: up to to approximately 2.5 years since last participant in
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up to to approximately 2.5 years since last participant in
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Spolupracovníci a vyšetřovatelé
Sponzor
Sponzor
Termíny studijních záznamů
Hlavní termíny studia
Začátek studia (Odhadovaný)
Začátek studia
Primární dokončení (Odhadovaný)
Primární dokončení
Dokončení studie (Odhadovaný)
Dokončení studie
Termíny zápisu do studia
První předloženo
První předloženo
První předloženo, které splnilo kritéria kontroly kvality
První předloženo, které splnilo kritéria kontroly kvality
První zveřejněno (Aktuální)
První zveřejněno
Aktualizace studijních záznamů
Poslední zveřejněná aktualizace (Aktuální)
Poslední zveřejněná aktualizace
Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality
Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality
Naposledy ověřeno
Naposledy ověřeno
Více informací
Termíny související s touto studií
Další relevantní podmínky MeSH
- Nemoci nervového systému
- Autoimunitní onemocnění
- Onemocnění imunitního systému
- Demyelinizační autoimunitní onemocnění, CNS
- Autoimunitní onemocnění nervového systému
- Demyelinizační onemocnění
- Roztroušená skleróza
- Anorganické chemikálie
- Prvky
- Polymery
- Makromolekulární látky
- Biomedicínské a zubní materiály
- Vyrobené materiály
- Technologie, průmysl a zemědělství
- Polystyreny
- Plasty
- Uhlík
- Cholestyraminová pryskyřice
- Dřevěné uhlí
- Teriflunomid
Další identifikační čísla studie
Další identifikační čísla studie
- LTS18002
- 2026-525688-41 (Identifikátor registru: CTIS)
Plán pro data jednotlivých účastníků (IPD)
Plánujete sdílet data jednotlivých účastníků (IPD)?
Popis plánu IPD
Qualified researchers may request access to patient level data and related study documents including the clinical study report, study protocol with any amendments, blank case report form, statistical analysis plan, and dataset specifications. Patient level data will be anonymized and study documents will be redacted to protect the privacy of trial participants. Further details on Sanofi's data sharing criteria, eligible studies, and process for requesting access can be found at: https://vivli.org
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