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A Trial to Compare Treatment With Surlorian (ARM210, S48168) to Placebo in Effects on Muscle Strength and Safety in Adults With Autosomal Dominant RYR1-related Myopathy

23 aprile 2026 aggiornato da: RyCarma Therapeutics, Inc.

A Phase 2, Randomized, Double-Blind, Placebo-Controlled Trial to Assess the Efficacy and Safety of Surlorian (ARM210, S48168) in Adults With Autosomal Dominant RYR1-Related Myopathy

This study is testing a medicine called surlorian in adults who have a genetic muscle condition known as autosomal dominant RYR1-related myopathy (RYR1-RM). The goal is to find out whether surlorian improves muscle weakness, and whether it is safe and well tolerated.

Panoramica dello studio

Stato

Non ancora reclutamento

Condizioni

Intervento / Trattamento

Descrizione dettagliata

The study is taking place at several medical centers with doctors who specialize in treating people with RYR1-RM. Everyone in the study will receive both surlorian and a placebo (a "dummy" treatment) at different times, but neither the participants nor the study staff will know which one they are getting during each period.

During Treatment period 1, participants will be randomly assigned to receive either surlorian or a placebo, which will be followed up by a washout period. Following the washout, in Treatment period 2, participants will switch and receive the opposite treatment from what they received in the first period. This main part of the study lasts about 16 weeks.

After finishing the main, placebo-controlled part of the study participants may be able to join an open-label extension lasting approximately 12 months. In this extension, everyone receives surlorian.

Tipo di studio

Interventistico

Iscrizione (Stimato)

28

Fase

  • Fase 2

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Contatto studio

Luoghi di studio

  • Francia
      • Paris, Francia, 73013
        • Institut de Myologie - Hôpital de La Pitié-Salpétrière
    • Bouches-du-Rhône
      • Marseille, Bouches-du-Rhône, Francia, 13385
        • AP-HM- Hôpital de La Timone
  • Germania
    • Baden-Wurttemberg
      • Ulm, Baden-Wurttemberg, Germania, 89081
        • Universitatsklinikum Ulm
    • State of Berlin
      • Berlin, State of Berlin, Germania, 13125
        • Charité - Campus Berlin Buch
  • Olanda
    • Gelderland
      • Nijmegen, Gelderland, Olanda, 6500 HB
        • Radboud Universitair Medisch Centrum
  • Regno Unito
      • London, Regno Unito, WC1N 3BG
        • University College Hospital - PPDS
    • Shropshire
      • Oswestry, Shropshire, Regno Unito, SY10 7AG
        • The Robert Jones and Agnes Hunt Orthopaedic Hospital
  • Spagna
    • Barcelona
      • Barcelona, Barcelona, Spagna, 8035
        • Hospital Universitario Vall d'Hebron - PPDS
    • Guipúzcoa
      • San Sebastián, Guipúzcoa, Spagna, 20014
        • Hospital Universitario DE Donostia

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

  • Adulto
  • Adulto più anziano

Accetta volontari sani

No

Descrizione

Inclusion Criteria:

  • Can understand the written informed consent, provides signed and witnessed written informed consent, and agrees to comply with all protocol requirements
  • Confirmed genetic diagnosis of RYR1-RM with autosomal dominant mutation
  • Clinical evidence of weakness affecting any proximal muscle group(s) as assessed by the Investigator
  • Can walk 10 m with or without a cane (no other walking aid allowed)
  • Is either a female of non-childbearing potential or male or female, who agrees to use highly effective contraception/preventive exposure measures from the time of first dose of IP (for a male participant) or the signing of the informed consent form (ICF) (for a female participant) during the trial, and until 7 days after the last dose of IP.

Exclusion Criteria:

  • Unable or unwilling to understand and comply with protocol requirements or unlikely to complete the study as planned, as judged by the Investigator
  • Any clinically significant medical condition that, in the opinion of the Investigator, would interfere with the study
  • Females who are pregnant, breastfeeding or intend to become pregnant, or of childbearing potential not using adequate contraceptive methods
  • Participants with severe pulmonary dysfunction at screening, or evidence of pulmonary exacerbation (defined as an acute worsening of respiratory symptoms that result from a decline in lung function)
  • Cardiac disease by history or at screening that, in the Investigator's opinion, is likely to worsen overall performance of efficacy measures during the study
  • History of seizure disorder, neurologic disease, or neuromuscular disease other than RYR1-RM
  • History of chronic orthopedic issues, acute injury, or expected surgery during the study that may affect the ability to complete study assessments
  • Positive test results at screening for human immunodeficiency virus (HIV), hepatitis B surface antigen (HBsAg), or hepatitis C virus (HCV)
  • Participants with screening alanine aminotransferase (ALT) levels >3 × upper limit of normal (ULN) or screening aspartate aminotransferase (AST) levels >5 × ULN (isolated elevations of total bilirubin <2 × ULN with direct bilirubin below the ULN will be included)
  • History within the past year of alcohol or other drug substance abuse
  • Known hypersensitivity to the investigational product of related compounds
  • Treatment with statins, proton pump inhibitors or H2 blockers within 7 days or 5 half-lives, whichever is longer, prior to the first dose of the study drug
  • Treatment with sensitive or narrow therapeutic index CYP3A4 substrates within 7 days or 5 half-lives, whichever is longer, prior to first dose of the study drug
  • Treatment with strong or moderate CYP2C8 inhibitor or inducers within 7 days or 5 half-lives, whichever is longer, prior to the first dose of the study drug
  • Currently enrolled in another study or received treatment with any other investigational drug within 30 days or > 5 half-lives, whichever is longer, prior to screening
  • Has reported any suicide ideation of Category 4 or 5 on the C-SSRS within 6 months prior to screening or any suicidal behavior in the last two years prior to screening as indicated by any 'yes' answers on the suicidal behavior section of the C-SSRS

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Trattamento
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione incrociata
  • Mascheramento: Doppio

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: Gruppo A
Droga: Surlorian
300 mg administered once a day
Altri nomi:
  • ARM210 (S48168)
Comparatore placebo: Gruppo B
Altro: Placebo
administered once a day

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Lasso di tempo
Change from baseline in the 1-minute sit-to-stand test (1-MSST)
Lasso di tempo: Day 1 to day 28 [approximately]
Day 1 to day 28 [approximately]

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Change from baseline in the 6-Minute Walk Test (6-MNWT)
Lasso di tempo: Day 1 to day 28 [approximately]
Day 1 to day 28 [approximately]
Change from baseline in the Timed Up and Go Test (TUG)
Lasso di tempo: Day 1 to day 28 [approximately]
Day 1 to day 28 [approximately]
Change from baseline in the 4-Stair Climb Test (4-SCT)
Lasso di tempo: Day 1 to day 28 [approximately]
Day 1 to day 28 [approximately]
Change from baseline Quantitative Muscle Assessment (QMA)
Lasso di tempo: Day 1 to day 28 [approximately]
Day 1 to day 28 [approximately]
Change from baseline Manual Muscle Testing (MMT)
Lasso di tempo: Day 1 to day 28 [approximately]
Day 1 to day 28 [approximately]
Change from baseline in Patient-Reported Outcomes Measurement Information System-fatigue (PROMIS-F)
Lasso di tempo: Day 1 to day 28 [approximately]
Day 1 to day 28 [approximately]
Change from baseline in Patient-Reported Outcomes Measurement Information System-physical fatigue (PROMIS-PF)
Lasso di tempo: Day 1 to day 28 [approximately]
Day 1 to day 28 [approximately]
Chage in International Physical Activity Questionnaire (IPAQ)
Lasso di tempo: Day 1 to day 28 [approximately]
Day 1 to day 28 [approximately]
Number of Adverse Events
Lasso di tempo: Day 1 to end of study [approximately 68 weeks]
Day 1 to end of study [approximately 68 weeks]
Change from baseline in systolic blood pressure
Lasso di tempo: Day 1 to end of study [approximately 68 weeks]
Systolic blood pressure will be measured in millimeters of mercury (mmHg)
Day 1 to end of study [approximately 68 weeks]
Change from baseline in diastolic blood pressure
Lasso di tempo: Day 1 to end of study [approximately 68 weeks]
Diastolic blood pressure will be measured in millimeters of mercury (mmHg)
Day 1 to end of study [approximately 68 weeks]
Change from baseline in temperature
Lasso di tempo: Day 1 to end of study [approximately 68 weeks]
Temperature will be measured in degrees Centigrade (°C)
Day 1 to end of study [approximately 68 weeks]
Change from baseline in hemoglobin
Lasso di tempo: Day 1 to end of study [approximately 68 weeks]
Hemoglobin concentration will be measured in grams per liter (g/L) using standard hematology laboratory methods
Day 1 to end of study [approximately 68 weeks]
Change from baseline in white blood cell count
Lasso di tempo: Day 1 to end of study [approximately 68 weeks]
White blood cell count will be measured in ×10⁹/L using standard hematology laboratory methods
Day 1 to end of study [approximately 68 weeks]
Change from baseline in platelet count
Lasso di tempo: Day 1 to end of study [approximately 68 weeks]
Platelet count will be measured in ×10⁹/L using standard hematology laboratory methods
Day 1 to end of study [approximately 68 weeks]
Change from baseline in serum creatinine
Lasso di tempo: Day 1 to end of study [approximately 68 weeks]
Serum creatinine will be measured in micromoles per liter (µmol/L) using standard clinical chemistry methods
Day 1 to end of study [approximately 68 weeks]
Change from baseline in estimated glomerular filtration rate
Lasso di tempo: Day 1 to end of study [approximately 68 weeks]
Estimated glomerular filtration rate (eGFR) will be calculated from serum creatinine using the Chronic Kidney Disease Epidemiology Collaboration equation
Day 1 to end of study [approximately 68 weeks]
Change from baseline in serum glucose
Lasso di tempo: Day 1 to end of study [approximately 68 weeks]
Serum glucose concentration will be measured in millimoles per liter (mmol/L) using standard clinical chemistry methods
Day 1 to end of study [approximately 68 weeks]
Change from baseline in QTc interval
Lasso di tempo: Day 1 to end of study [approximately 68 weeks]
Corrected QT interval (QTcF) will be measured in milliseconds using triplicate 12-lead electrocardiograms
Day 1 to end of study [approximately 68 weeks]
Change from baseline in urine protein
Lasso di tempo: Day 1 to end of study [approximately 68 weeks]
Urine protein will be measured in milligrams per liter (mg/L) using standard urinalysis methods
Day 1 to end of study [approximately 68 weeks]

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

RyCarma Therapeutics, Inc.

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Stimato)

15 aprile 2026

Completamento primario (Stimato)

27 agosto 2027

Completamento dello studio (Stimato)

27 agosto 2028

Date di iscrizione allo studio

Primo inviato

7 aprile 2026

Primo inviato che soddisfa i criteri di controllo qualità

23 aprile 2026

Primo Inserito (Effettivo)

30 aprile 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

30 aprile 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

23 aprile 2026

Ultimo verificato

1 aprile 2026

Maggiori informazioni

Termini relativi a questo studio

Parole chiave

Altri numeri di identificazione dello studio

  • CL2-210-02
  • 2025-522343-18-00 (Ctis)

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

NO

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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