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Open-Label Extension Study of BBP-418 (Ribitol) for LGMD2I/R9
An Open-Label Extension Study to Evaluate the Long-Term Safety and Efficacy of BBP-418 (Ribitol) in Participants With Limb-Girdle Muscular Dystrophy 2I/R9 (LGMD2I/R9)
This is an open-label extension (rollover) study designed to evaluate the long-term safety and efficacy of BBP-418 (ribitol) in participants with limb-girdle muscular dystrophy type 2I/R9 (LGMD2I/R9) who have previously participated in Study MLB-01-005 (Fortify).
Participants will receive BBP-418 administered orally at protocol-defined doses and schedules. The study will assess long-term safety through monitoring of adverse events, clinical laboratory evaluations, and other safety assessments. Efficacy will be evaluated using functional measures and other clinical endpoints relevant to LGMD2I/R9.
Participants will be followed for up to 36 months, with a final safety follow-up assessment conducted approximately 30 days after the last dose of study drug.
Studie Overzicht
Toestand
Interventie / Behandeling
Studietype
Inschrijving (Geschat)
Fase
- Fase 3
Contacten en locaties
Studie Locaties
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Brisbane, Australië
- Royal Brisbane and Women's Hospital
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Copenhagen, Denemarken
- Rigshospitalet, Neuromuscular Clinic and Research Unit
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Berlin, Duitsland
- Charité Universitätsmedizin Berlin and Max Delbrück Center
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Milan, Italië
- Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico
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Leiden, Nederland
- Leids Universitair Medisch Centrum
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Tromsø, Noorwegen
- Universitetssykehuset Nord-Norge, Department of Neurology
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London, Verenigd Koninkrijk
- UCL Great Ormond Street Hospital
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Newcastle upon Tyne, Verenigd Koninkrijk
- Newcastle University - John Walton Muscular Dystrophy Research Centre
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Arkansas
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Little Rock, Arkansas, Verenigde Staten, 72202
- Arkansas Children's Hospital
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California
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Orange, California, Verenigde Staten, 92868
- University of California Irvine Medical Center
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Colorado
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Aurora, Colorado, Verenigde Staten, 80045
- University of Colorado Hospital (UCH) - Anschutz Medical Campus
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Florida
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Gainesville, Florida, Verenigde Staten, 32608
- University of Florida Health Center for Pediatric Neuromuscular and Rare Diseases
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Iowa
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Iowa City, Iowa, Verenigde Staten, 52242
- University of Iowa Stead Family Children's Hospital
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Kansas
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Kansas City, Kansas, Verenigde Staten, 66160
- University of Kansas Medical Center (KUMC)
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Maryland
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Baltimore, Maryland, Verenigde Staten, 21205
- Kennedy Krieger Institute
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Minnesota
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Minneapolis, Minnesota, Verenigde Staten, 55455
- University of Minnesota Medical School
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Missouri
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St Louis, Missouri, Verenigde Staten, 63110
- Washington University School of Medicine
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Pennsylvania
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Philadelphia, Pennsylvania, Verenigde Staten, 19104
- University of Pennsylvania
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Philadelphia, Pennsylvania, Verenigde Staten, 19104
- The Children's Hospital of Philadelphia
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Virginia
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Norfolk, Virginia, Verenigde Staten, 23510
- Children's Hospital of the Kings Daughters
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
- Kind
- Volwassen
- Oudere volwassene
Accepteert gezonde vrijwilligers
Beschrijving
Inclusion Criteria:
- Completed Study MLB-01-005 on study drug through the final clinic visit (Month 36 or another qualifying end-of-study visit as determined by the Sponsor).
- The participant (or parent/guardian) who signs the ICF understands the study procedures and agrees to participate in the study by giving informed consent (or assent, if <18 years of age).
- Is willing and able to complete all study procedures according to the Schedule of Assessments.
- A WOCBP or a nonsterile male participant must be willing to use an acceptable method of contraception from the time of consent through 30 days after the last dose of study drug in this study.
Exclusion Criteria:
Has developed clinically significant concomitant disease that would, in the Investigator's opinion, be likely to unfavorably impact study participation, including:
- Any significant concomitant medical condition, including psychiatric, cardiac, renal, pulmonary, hepatic, or endocrine disease other than that associated with LGMD2I/R9
- Any other significant laboratory, vital sign, ECG abnormality, clinical history, or finding
- Is pregnant (based on the Baseline / Day 1 pregnancy test result) and/or breastfeeding or planning to conceive children within the projected duration of the study through 30 days after the last dose of study drug in this study.
- Has active suicidal ideation, defined as having a suicide ideation score of 4 (Active Suicidal Ideation with Some Intent to Act, without Specific Plan) or 5 (Active Suicidal Ideation with Specific Plan and Intent) on the C-SSRS at Baseline / Day 1.
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Behandeling
- Toewijzing: NVT
- Interventioneel model: Opdracht voor een enkele groep
- Masker: Geen (open label)
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
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Experimenteel: BBP-418
Drug: BBP-418. Single arm.
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Drug: BBP-418.
Single arm.
Participants who completed Study MLB-01-005 and meet eligibility criteria will receive BBP-418 (ribitol) taken orally twice daily at 9 or 12g (based on body weight measured) for up to 36 months.
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Tijdsspanne |
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Frequency and severity of treatment-emergent adverse events to assess long-term safety of BBP-418.
Tijdsspanne: 36 months
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36 months
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Change from baseline in North Star Assessment for LGMD2I/R9 to assess long-term efficacy of BBP-418.
Tijdsspanne: 36 months
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36 months
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Secundaire uitkomstmaten
Uitkomstmaat |
Tijdsspanne |
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Change from baseline in 10MWT (10-meter walk test) (m/s) for LGMD2I/R9 to assess long-term efficacy of BBP-418.
Tijdsspanne: 36 months
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36 months
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Change from baseline FVC (forced vital capacity) (percent predicted, performed in a sitting position) for LGMD2I/R9 to assess long-term efficacy of BBP-418.
Tijdsspanne: 36 months
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36 months
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Change from baseline in PUL 2.0 (performance of the upper limb) total score for LGMD2I/R9 to assess long-term efficacy of BBP-418.
Tijdsspanne: 36 months
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36 months
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Change from baseline in 100MTT (100-meter timed test) (m/s) for LGMD2I/R9 to assess long-term efficacy of BBP-418.
Tijdsspanne: 36 months
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36 months
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Change from baseline in Serum CK (creatine kinase) for LGMD2I/R9 to assess long-term biomarker changes in participants.
Tijdsspanne: 36 months
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36 months
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Medewerkers en onderzoekers
Sponsor
Studie record data
Bestudeer belangrijke data
Studie start (Werkelijk)
Primaire voltooiing (Geschat)
Studie voltooiing (Geschat)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Werkelijk)
Updates van studierecords
Laatste update geplaatst (Werkelijk)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- MLB-01-007
Plan Individuele Deelnemersgegevens (IPD)
Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?
Informatie over medicijnen en apparaten, studiedocumenten
Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel
Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct
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