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En undersøgelse til evaluering af sikkerheden, tolerabiliteten og effektiviteten af ​​BIIB017 (Peginterferon Beta-1a) hos pædiatriske deltagere til behandling af recidiverende-remitterende multipel sklerose

23. september 2026 opdateret af: Biogen

Et åbent, randomiseret, multicenter, aktivt kontrolleret, parallelgruppestudie til evaluering af sikkerheden, tolerabiliteten og effektiviteten af ​​BIIB017 hos pædiatriske forsøgspersoner i alderen 10 til under 18 år til behandling af recidiverende-remitterende multipel sklerose Open-label udvidelse

This study will evaluate the safety, tolerability, and descriptive efficacy of BIIB017 in pediatric participants with relapsing-remitting multiple sclerosis (RRMS) and to assess the pharmacokinetics (PK) of BIIB017 in pediatric participants with RRMS in Part 1. In Part 2, the study will evaluate the long-term safety of BIIB017 and further describe safety and the long-term multiple sclerosis (MS) outcomes after BIIB017 treatment in participants who completed the study treatment at Week 96 in Part 1 of the study.

Studieoversigt

Status

Aktiv, ikke rekrutterende

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

152

Fase

  • Fase 3

Kontakter og lokationer

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

Studiesteder

    • Buenos Aires
      • Ciudad Autonoma Buenos Aires, Buenos Aires, Argentina, 1199
        • Hospital Italiano de Buenos Aires
    • Victoria
      • Parkville, Victoria, Australien, 3052
        • Royal Children's Hospital
    • East Flanders
      • Ghent, East Flanders, Belgien, 9000
        • Universitair Ziekenhuis Ghent
    • Wallonia
      • Liège, Wallonia, Belgien, 4000
        • Clinique CHC MontLégia
      • Sofia, Bulgarien, 1113
        • MHATNP 'Sv.Naum', EAD
    • California
      • La Jolla, California, Forenede Stater, 92024
        • UC San Diego Health
    • North Carolina
      • Chapel Hill, North Carolina, Forenede Stater, 27514
        • UNC Hospitals
    • Virginia
      • Norfolk, Virginia, Forenede Stater, 23502
        • Meridian Clinical Research
    • Bas Rhin
      • Strasbourg, Bas Rhin, Frankrig, 67098
        • CHU Strasbourg - Hôpital Hautepierre
    • Haute Garonne
      • Toulouse, Haute Garonne, Frankrig, 31059
        • Hopital Purpan
    • Herault
      • Montpellier, Herault, Frankrig, 34295
        • Hopital Gui de Chauliac
    • Nord
      • Lille, Nord, Frankrig, 59037
        • Hopital Roger Salengro - CHU Lille
    • Val De Marne
      • Le Kremlin-Bicêtre, Val De Marne, Frankrig, 94275
        • Hôpital Bicêtre
      • Thessaloniki, Grækenland, 54642
        • General Hospital of Thessaloniki 'Hippokration'
    • Thessaly
      • Larissa, Thessaly, Grækenland, 41110
        • General Hospital of Larissa
    • Levant
      • Jerusalem, Levant, Israel, 9112001
        • Hadassah University Hospital - Ein Kerem
    • Tel Aviv
      • Petach-Tikva, Tel Aviv, Israel, 4920235
        • Schneider Children's Medical Center
      • Florence, Italien, 50139
        • Azienda Ospedaliero Universitaria Ospedale Pediatrico Meyer
      • Naples, Italien, 80131
        • Azienda Ospedaliera Universitaria 'Federico II'
      • Naples, Italien, 80138
        • Azienda Ospedaliera Universitaria- Università degli Studi della Campania "Luigi Vanvitelli"
      • Zagreb, Kroatien, 10000
        • University Hospital Centre Zagreb
      • Zagreb, Kroatien, 10000
        • Children's Hospital Zagreb
      • Zagreb, Kroatien, 10000
        • Clinical Hospital Center 'Sestre Milosrdnice'
    • Dalmatia
      • Split, Dalmatia, Kroatien, 21000
        • University Hospital Centre Split
    • Shuwaikh
      • Ash Shuwaykh, Shuwaikh, Kuwait, 12345
        • Ibn Sina Hospital
      • Coimbra, Portugal, 3000-602
        • Centro Hospitalar e Universitário de Coimbra E.P.E. - Hospital Pediátrico
      • Porto, Portugal, 4099-001
        • Centro Hospitalar do Porto, E.P.E. - Hospital de Santo António
    • Lisbon District
      • Lisbon, Lisbon District, Portugal, 1649-035
        • Centro Hospitalar e Universitário Lisboa Norte E.P.E.
      • Loures, Lisbon District, Portugal, 2674-514
        • Hospital Beatriz Ângelo
    • Minho
      • Braga, Minho, Portugal, 4710-243
        • Hospital de Braga
      • Belgorod, Rusland, 308007
        • RSBIH 'Belgorod Regional Clinical Hospital of Saint Ioasaf'
      • Moscow, Rusland, 119602
        • SBHI
      • Moscow, Rusland, 129110
        • SBIH of Moscow region "Moscow Regional Scientific & Research
      • Rostov-on-Don, Rusland, 344022
        • SBEI HPE 'Rostov State Medical University' of the MoH of the RF
      • Yaroslavl, Rusland, 150000
        • State Budgetary Institution of Healthcare of Yaroslavl region 'Clinical Hospital # 2'
    • Bashkortostan Republic
      • Ufa, Bashkortostan Republic, Rusland, 450077
        • SBEI HPE 'Bashkir State Medical University' of the MoH of the RF
    • Krasnoyarsk Krai
      • Krasnoyarsk, Krasnoyarsk Krai, Rusland, 660037
        • FSBI "Federal Siberian Scientific-Clinical Center of FMBA"
    • Oblast
      • Tomsk, Oblast, Rusland, 634009
        • Nebbiolo LLC
    • Sankt-Peterburg
      • Saint Petersburg, Sankt-Peterburg, Rusland, 197110
        • LLC National center for socially significan disease
    • Siberia
      • Kemerovo, Siberia, Rusland, 650066
        • SAIH 'Kemerovo Regional Clinical Hospital'
      • Riyadh, Saudi Arabien, 11461
        • King Saud University
    • Mecca Region
      • Jeddah, Mecca Region, Saudi Arabien, 40047
        • King Faisal Specialist Hospital & Research Center
    • Balkans
      • Belgrade, Balkans, Serbien, 11000
        • Clinic of Neurology and Psychiatry for Children and Youth
      • Belgrade, Balkans, Serbien, 11000
        • University Children Hospital
      • Belgrade, Balkans, Serbien, 11070
        • Mother and Child Health Care Institute of Serbia ,,Dr Vukan Cupic''
      • Bratislava, Slovakiet, 83340
        • Narodny ustav detskych chorob
      • Córdoba, Spanien, 14011
        • Hospital Universitario Reina Sofia
      • Madrid, Spanien, 28034
        • Hospital Universitario Ramon y Cajal
    • Barcelona
      • Esplugues de Llobregat, Barcelona, Spanien, 08950
        • Hospital Sant Joan de Deu
    • Murcia
      • El Palmar, Murcia, Spanien, 30120
        • Hospital Universitario Virgen de la Arrixaca
      • Hradec Králové, Tjekkiet, 50333
        • Fakultni nemocnice Hradec Kralove
      • Monastir, Tunesien, 5000
        • Hôpital Fattouma Bourghiba
      • Sfax, Tunesien, 3029
        • Hôpital Habib Bourguiba
    • Mannouba
      • Manouba, Mannouba, Tunesien, 2010
        • Hopital Razi
      • Ankara, Tyrkiet (Türkiye), 06500
        • Gazi University Medical Faculty Clinical Research Unit
      • Antalya, Tyrkiet (Türkiye), 07059
        • Akdeniz University Medical Faculty
      • Izmir, Tyrkiet (Türkiye), 35210
        • Izmir Dr. Behcet Uz Cocuk Hastaliklari ve Cerrahisi Egitim ve Arastirma Hastanesi
      • Samsun, Tyrkiet (Türkiye), 55139
        • Ondokuz Mayis Univ. Med. Fac.
      • Berlin, Tyskland, 13353
        • Charité - Campus Virchow-Klinikum
    • Baden-Wurttemberg
      • Freiburg im Breisgau, Baden-Wurttemberg, Tyskland, 79106
        • Universitaetsklinikum Freiburg
    • Lower Saxony
      • Göttingen, Lower Saxony, Tyskland, 37075
        • Universitaetsmedizin Goettingen
    • North Rhine-Westphalia
      • Bochum, North Rhine-Westphalia, Tyskland, 44791
        • St. Josef-Hospital Universitaetsklinikum
      • Budapest, Ungarn, 1083
        • Semmelweis Egyetem
    • Baranya
      • Pécs, Baranya, Ungarn, 7623
        • Pecsi Tudomanyegyetem KK
    • Hajdú-Bihar
      • Debrecen, Hajdú-Bihar, Ungarn, 4032
        • Debreceni Egyetem

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

10 år til 18 år (Barn, Voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Key Inclusion Criteria:

Part 1:

  • Must have a diagnosis of RRMS as defined by the revised consensus definition for pediatric MS.
  • Must have an EDSS score between 0.0 and 5.5.
  • Must have experienced >= 1 relapse in the 12 months prior to randomization (Day 1) or >= 2 relapses in the 24 months prior to randomization (Day 1) or have evidence of asymptomatic disease activity (Gd-enhancing lesions) on brain MRI in the 6 months prior to randomization (Day 1).

Part 2:

• Participants who completed the study treatment in Part 1 (Week 96 Visit), as per protocol.

Key Exclusion Criteria:

Part 1:

  • Primary progressive, secondary progressive, or progressive relapsing MS. These conditions require the presence of continuous clinical disease worsening over a period of at least 3 months. Participants with these conditions may also have superimposed relapses but are distinguished from relapsing participants by the lack of clinically stable periods or clinical improvement.
  • History of severe allergic or anaphylactic reactions or known drug hypersensitivity.
  • Known allergy to any component of Avonex or BIIB017 formulation.
  • Occurrence of an MS relapse that has occurred within 30 days prior to randomization (Day 1) and/or the participant has not stabilized from a previous relapse prior to randomization (Day 1).
  • Any previous treatment with PEGylated human IFN β-1a.

Part 2:

  • Any significant changes in medical history occurring after enrollment in Part 1, including laboratory test abnormalities or current clinically significant conditions that, in the opinion of the Investigator, would have excluded the participant's participation in Part 1. The Investigator must re-assess the participant's medical fitness for participation and consider any factors that would preclude treatment.
  • The participant could not tolerate BIIB017 in Part 1.

NOTE: Other protocol defined Inclusion/Exclusion criteria may apply.

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: BIIB017 (peginterferon beta-1a)

Participants will receive subcutaneous (SC) injection of BIIB017 (peginterferon beta-1a) 63 microgram (μg) on Day 1, followed by 94 μg at Week 2, followed by 125 μg at Week 4, and then 125 μg SC injection every 2 weeks up to Week 96 in Part 1 of the study. Eligible participants who enter optional Part 2 of the study will receive 125 μg SC injections of BIIB017 every 2 weeks for 96 Weeks.

Administered as specified in the treatment arm

Andre navne:
  • PLEGRID
Aktiv komparator: Avonex

Participants will receive Avonex (interferon beta type 1a) starting at a dose of 7.5 μg on Day 1, followed by an increase of 7.5 μg each week for 3 weeks, followed by 30 μg intramuscular (IM) injections every week up to Week 96 in Part 1 of the study. Eligible participants who enter optional Part 2 of the study will receive 125 μg SC injections of BIIB017 every 2 weeks for 96 Weeks.

Administered as specified in the treatment arm

Andre navne:
  • Avonex

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Part 1: Annualized Relapse Rate (ARR) at Week 48
Tidsramme: Week 48

A multiple sclerosis (MS) relapse is defined as the onset of new or recurrent neurologic symptoms not associated with fever or infection, lasting at least 24 hours, and accompanied by new objective neurological findings. ARR is calculated as the total number of relapses in each treatment group adjusted for the duration of study treatment in person-years.

Week 48
Part 2: Percentage of Participants With Adverse Events (AEs), Serious Adverse Events (SAEs) and AEs Leading to Study Treatment Discontinuation
Tidsramme: From Week 96 to Week 196

An AE is any untoward medical occurrence in a participant or clinical investigation participant administered a pharmaceutical product and that does not necessarily have a causal relationship with this treatment. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease temporally associated with the use of a medicinal (investigational) product, whether or not related to the medicinal (investigational) product. An SAE is any untoward medical occurrence that at any dose results in death, is a life-threatening event, requires inpatient hospitalization or prolongation of existing hospitalization, results in a significant disability/incapacity or congenital anomaly, or is a medically important event.

From Week 96 to Week 196

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Del 1: Procentdel af deltagere fri for nye eller nyligt forstørrede T2 hyperintense læsioner på hjernemagnetisk resonansbilleddannelse (MRI)-scanninger i uge 24, 48 og 96
Tidsramme: Uge 24, 48 og 96
Uge 24, 48 og 96
Del 1: Procentdel af deltagere fri for ny MR-aktivitet i hjernen (fri for gadolinium [Gd]-forstærkende læsioner og nye eller nyligt forstørrede T2 hyperintense læsioner) i uge 24, 48 og 96
Tidsramme: Uge 24, 48 og 96
Uge 24, 48 og 96
Del 1: Antal nye eller nyligt forstørrede T2 hyperintense læsioner på hjerne-MR-scanninger i uge 24, 48 og 96
Tidsramme: Uge 24, 48 og 96
Uge 24, 48 og 96
Del 1: Antal Gd-forstærkende læsioner på hjerne-MR-scanninger i uge 24, 48 og 96
Tidsramme: Uge 24, 48 og 96
Uge 24, 48 og 96
Del 1: Tid til første tilbagefald
Tidsramme: Op til uge 96
Op til uge 96
Del 1: Areal under plasmakoncentration-tidskurven fra tid nul til slutningen af ​​doseringsinterval (AUCtau) for BIIB017
Tidsramme: Inden for 8 timer efter dosis på dag 1 i uge 1; Inden for 8 timer, 48 og 120 timer efter dosis på dag 1 i uge 4; Inden for 8 timer efter dosis på dag 1 i uge 24
Inden for 8 timer efter dosis på dag 1 i uge 1; Inden for 8 timer, 48 og 120 timer efter dosis på dag 1 i uge 4; Inden for 8 timer efter dosis på dag 1 i uge 24
Del 1: Maksimal observeret plasmakoncentration (Cmax) ved stabil tilstand for BIIB017
Tidsramme: Inden for 8 timer efter dosis på dag 1 i uge 1; Inden for 8 timer, 48 og 120 timer efter dosis på dag 1 i uge 4; Inden for 8 timer efter dosis på dag 1 i uge 24
Inden for 8 timer efter dosis på dag 1 i uge 1; Inden for 8 timer, 48 og 120 timer efter dosis på dag 1 i uge 4; Inden for 8 timer efter dosis på dag 1 i uge 24
Del 1: Tid til at nå maksimal observeret plasmakoncentration (Tmax) ved stabil tilstand for BIIB017
Tidsramme: Inden for 8 timer efter dosis på dag 1 i uge 1; Inden for 8 timer, 48 og 120 timer efter dosis på dag 1 i uge 4; Inden for 8 timer efter dosis på dag 1 i uge 24
Inden for 8 timer efter dosis på dag 1 i uge 1; Inden for 8 timer, 48 og 120 timer efter dosis på dag 1 i uge 4; Inden for 8 timer efter dosis på dag 1 i uge 24
Del 1: Procentdel af deltagere fri for tilbagefald i uge 48 og 96
Tidsramme: Uge 48 og 96
Uge 48 og 96
Del 1: Ændring fra baseline i højde i uge 24, 48, 72, 96 og 100
Tidsramme: Baseline, uge ​​24, 48, 72, 96 og 100
Baseline, uge ​​24, 48, 72, 96 og 100
Del 1: Ændring fra baseline i vægt i uge 24, 48, 72, 96 og 100
Tidsramme: Baseline, uge ​​24, 48, 72, 96 og 100
Baseline, uge ​​24, 48, 72, 96 og 100
Del 1: Ændring fra baseline i blodtryk i uge 4, 8, 12, 24, 36, 48, 60, 72, 84, 96 og 100
Tidsramme: Baseline, uge ​​4, 8, 12, 24, 36, 48, 60, 72, 84, 96 og 100
Baseline, uge ​​4, 8, 12, 24, 36, 48, 60, 72, 84, 96 og 100
Del 1: Ændring fra baseline i pulsfrekvens i uge 4, 8, 12, 24, 36, 48, 60, 72, 84, 96 og 100
Tidsramme: Baseline, uge ​​4, 8, 12, 24, 36, 48, 60, 72, 84, 96 og 100
Baseline, uge ​​4, 8, 12, 24, 36, 48, 60, 72, 84, 96 og 100
Del 1: Ændring fra baseline i kropstemperatur i uge 4, 8, 12, 24, 36, 48, 60, 72, 84, 96 og 100
Tidsramme: Baseline, uge ​​4, 8, 12, 24, 36, 48, 60, 72, 84, 96 og 100
Baseline, uge ​​4, 8, 12, 24, 36, 48, 60, 72, 84, 96 og 100
Del 1: Ændring fra baseline i respirationsfrekvens i uge 4, 8, 12, 24, 36, 48, 60, 72, 84, 96 og 100
Tidsramme: Baseline, uge ​​4, 8, 12, 24, 36, 48, 60, 72, 84, 96 og 100
Baseline, uge ​​4, 8, 12, 24, 36, 48, 60, 72, 84, 96 og 100
Del 1: Ændring fra baseline i 12-afledningselektrokardiogram (EKG) parametre i uge 48, 96 og 100
Tidsramme: Baseline (før dosering), uge ​​48, 96 og 100
Baseline (før dosering), uge ​​48, 96 og 100
Del 2: Ændring fra baseline i højde i uge 120, 144, 168, 192 og 196
Tidsramme: Baseline (uge 96), uge ​​120, 144, 168, 192 og 196
Baseline (uge 96), uge ​​120, 144, 168, 192 og 196
Del 2: Ændring fra baseline i vægt i uge 120, 144, 168, 192 og 196
Tidsramme: Baseline (uge 96), uge ​​120, 144, 168, 192 og 196
Baseline (uge 96), uge ​​120, 144, 168, 192 og 196
Del 2: Ændring fra baseline i blodtryk i ugerne 120, 144, 168, 192 og 196
Tidsramme: Baseline (uge 96), uge ​​120, 144, 168, 192 og 196
Baseline (uge 96), uge ​​120, 144, 168, 192 og 196
Del 2: Ændring fra baseline i pulsfrekvens i uge 120, 144, 168, 192 og 196
Tidsramme: Baseline (uge 96), uge ​​120, 144, 168, 192 og 196
Baseline (uge 96), uge ​​120, 144, 168, 192 og 196
Del 2: Ændring fra baseline i kropstemperatur i uge 120, 144, 168, 192 og 196
Tidsramme: Baseline (uge 96), uge ​​120, 144, 168, 192 og 196
Baseline (uge 96), uge ​​120, 144, 168, 192 og 196
Del 2: Ændring fra baseline i respirationsfrekvens i uge 120, 144, 168, 192 og 196
Tidsramme: Baseline (uge 96), uge ​​120, 144, 168, 192 og 196
Baseline (uge 96), uge ​​120, 144, 168, 192 og 196
Del 2: Ændring fra baseline i 12-aflednings EKG-parametre i uge 144, 192 og 196
Tidsramme: Baseline (uge 96), uge ​​144, 192 og 196
Baseline (uge 96), uge ​​144, 192 og 196
Part 1: ARR at Week 96
Tidsramme: Week 96

An MS relapse is defined as the onset of new or recurrent neurologic symptoms not associated with fever or infection, lasting at least 24 hours, and accompanied by new objective neurological findings. ARR is calculated as the total number of relapses in each treatment group adjusted for the duration of study treatment in person-years.

Week 96
Part 1: Change from Baseline in Cognition at Weeks 24, 48, 72, and 96 as Measured by the Symbol Digit Modality Test (SDMT)
Tidsramme: Baseline, Weeks 24, 48, 72, and 96

The SDMT measures the time to pair abstract symbols with specific numbers. The test requires elements of attention, visuoperceptual processing, working memory, and psychomotor speed. The score is the number of correctly coded items from 0 (worst) to 110 (best) in 90 seconds. The total score provides a measure of the speed and accuracy of symbol-digit substitution. Higher scores indicate better performance.

Baseline, Weeks 24, 48, 72, and 96
Part 1: Change from Baseline in the Expanded Disability Status Scale (EDSS) Score at Weeks 48 and 96
Tidsramme: Baseline, Weeks 48, and 96

EDSS is based on a standardized neurological exam and focuses on symptoms that commonly occur in MS. Scores range from 0.0 (normal) to 10.0 (death due to MS).

Baseline, Weeks 48, and 96
Part 1: Change from Baseline in the Quality of Life as Measured by the Pediatric Quality of Life Inventory (PedsQL) at Weeks 24, 48, 72 and 96
Tidsramme: Baseline, Weeks 24, 48, 72 and 96

The PedsQL consists of 23 items in four generic score scales: physical functioning, emotional functioning, social functioning, and school functioning that measures health related quality of life. The questionnaire asks how much of a problem each item has been during the past month. Each item is answered on a scale of 0 (never) to 4 (almost always) then the scores are transformed to a 0 to 100 scale, so that higher scores indicate better heath related quality of life.

Baseline, Weeks 24, 48, 72 and 96
Part 1: Percentage of Participants With Adverse Events (AEs), Serious Adverse Events (SAEs), and AEs Leading to Study Treatment Discontinuation
Tidsramme: Up to Week 100

An AE is any untoward medical occurrence in a participant or clinical investigation participant administered a pharmaceutical product and that does not necessarily have a causal relationship with this treatment. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease temporally associated with the use of a medicinal (investigational) product, whether or not related to the medicinal (investigational) product. An SAE is any untoward medical occurrence that at any dose results in death, is a life-threatening event, requires inpatient hospitalization or prolongation of existing hospitalization, results in a significant disability/incapacity or congenital anomaly, or is a medically important event.

Up to Week 100
Part 1: Change from Baseline in Tanner Score at Weeks 24, 48, 72, 96, and 100
Tidsramme: Baseline, Weeks 24, 48, 72, 96, and 100

Assessment of Tanner stages (a scale of physical development) will be performed by a medical doctor experienced with this assessment. Tanner score ranges from Stage 1 (childhood) to Stage 5 (full physical maturity). Information regarding Tanner staging will be collected for all male participants with bone age less than (<) 16 years and for female participants who are pre-menarche and have a bone age < 16 years and will be stopped once the participant's bone age reaches greater than or equal to (>=) 16 years or (once the participant is post-menarche. Tanner Score can be omitted if required by country-specific regulations and/or local ethics committees.

Baseline, Weeks 24, 48, 72, 96, and 100
Part 1: Number of Participants With Binding and Neutralizing Antibodies to Interferon Beta Type 1a (IFN β-1a) [All Participants]
Tidsramme: Up to Week 96

Presence of IFN β-1a antibodies in human serum will be determined using enzyme-linked immunosorbent assay (ELISA) followed by further characterization and titration of positive samples in a cell-based neutralizing antibody assay.

Up to Week 96
Part 1: Number of Participants With Binding Antibodies to Peginterferon (PEG) [BIIB017-Treated Participants]
Tidsramme: Up to Week 96

Anti-PEG binding antibodies in human serum will be determined using an ELISA.

Up to Week 96
Part 1: Change from Baseline in Depression as Assessed by Mini International Neuropsychiatric Interview for Children and Adolescents (MINI-KID) at Weeks 12, 24, 36, 48, 60, 72, 84, 96, and 100
Tidsramme: Baseline, Weeks 12, 24, 36, 48, 60, 72, 84, 96, and 100

MINI-KID is a short (approximately 15 minute) structured diagnostic interview used to assess the presence of 20 diagnostic and statistical manual of mental disorders, 4th Edition (DSM-IV) child and adolescent psychiatric disorders as well as the risk of suicide. The MINI-Kid frames questions in language that is easy for children and adolescents. It consists of 137 questions across 24 modules.

Baseline, Weeks 12, 24, 36, 48, 60, 72, 84, 96, and 100
Part 1: Percentage of Participants with Changes Over Time in Clinical Laboratory Values
Tidsramme: Baseline, Weeks 4, 8, 12, 24, 36, 48, 60, 72, 84, 96, and 100

Clinical laboratory tests include: hematology, chemistry (including liver, renal and thyroid function), and coagulation tests.

Baseline, Weeks 4, 8, 12, 24, 36, 48, 60, 72, 84, 96, and 100
Part 2: ARR at Weeks 144 and 192
Tidsramme: Weeks 144 and 192

An MS relapse is defined as the onset of new or recurrent neurologic symptoms not associated with fever or infection, lasting at least 24 hours, and accompanied by new objective neurological findings. ARR is calculated as the total number of relapses in each treatment group adjusted for the duration of study treatment in person-years.

Weeks 144 and 192
Part 2: Change from Baseline in EDSS Score at Weeks 120, 144, 168, 192, and 196
Tidsramme: Baseline (Week 96), Weeks 120, 144, 168, 192, and 196

EDSS is based on a standardized neurological exam and focuses on symptoms that commonly occur in MS. Scores range from 0.0 (normal) to 10.0 (death due to MS).

Baseline (Week 96), Weeks 120, 144, 168, 192, and 196
Part 2: Change from Baseline in Tanner Score at Weeks 120, 144, 168, 192, and 196
Tidsramme: Baseline (Week 96), Weeks 120, 144, 168, 192, and 196

Assessment of Tanner stages (a scale of physical development) will be performed by a medical doctor experienced with this assessment. Tanner score ranges from Stage 1 (childhood) to Stage 5 (full physical maturity). Information regarding Tanner staging will be collected for all male participants with bone age < 16 years and for female participants who are pre-menarche and have a bone age <16 years and will be stopped once the participant's bone age reaches >= 16 years or (once the participant is post-menarche. Tanner Score can be omitted if required by country-specific regulations and/or local ethics committees.

Baseline (Week 96), Weeks 120, 144, 168, 192, and 196
Part 2: Number of Participants With Binding and Neutralizing Antibodies to IFN β-1a (All Participants)
Tidsramme: Up to Week 192

Presence of IFN β-1a antibodies in human serum will be determined using ELISA followed by further characterization and titration of positive samples in a cell-based neutralizing antibody assay.

Up to Week 192
Part 2: Number of Participants With Binding Antibodies to PEG (BIIB017-Treated Participants)
Tidsramme: Up to Week 192

Anti-PEG binding antibodies in human serum will be determined using an ELISA.

Up to Week 192
Part 2: Change from Baseline in Depression as Assessed by Mini International Neuropsychiatric Interview for Children and Adolescents (MINI-KID) at Weeks 108, 120, 132, 144,156, 168, 180, 192, and 196
Tidsramme: Baseline (Week 96), Weeks 108, 120, 132, 144,156, 168, 180, 192, and 196

MINI-KID is a structured diagnostic interview instrument for psychiatric evaluation and outcome tracking. All questions are answered Yes or No.

Baseline (Week 96), Weeks 108, 120, 132, 144,156, 168, 180, 192, and 196
Part 2: Percentage of Participants with Changes Over Time in Clinical Laboratory Values
Tidsramme: Baseline (Week 96), Weeks 108, 120, 132, 144, 156, 168, 180, 192, and 196

Clinical laboratory tests include: hematology, chemistry (including liver, renal and thyroid function), and coagulation tests.

Baseline (Week 96), Weeks 108, 120, 132, 144, 156, 168, 180, 192, and 196

Samarbejdspartnere og efterforskere

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

Sponsor

Efterforskere

  • Studieleder: Medical Director, Biogen

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)

18. oktober 2019

Primær færdiggørelse (Anslået)

20. maj 2027

Studieafslutning (Anslået)

20. maj 2027

Datoer for studieregistrering

Først indsendt

20. maj 2019

Først indsendt, der opfyldte QC-kriterier

20. maj 2019

Først opslået (Faktiske)

22. maj 2019

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

24. september 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

23. september 2026

Sidst verificeret

1. september 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • 105MS306
  • 2018 (U.S. NIH-bevilling/kontrakt)
  • 2018-003008-38 (EudraCT nummer)
  • 2023-505624-56 (Anden identifikator: EU CTIS)
  • 2023 (U.S. NIH-bevilling/kontrakt)

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

JA

IPD-planbeskrivelse

In accordance with Biogen's Clinical Trial Transparency and Data Sharing Policy on https://www.biogentrialtransparency.com/

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ja

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .