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Heimüberwachung von erwachsenen Patienten mit SMA: eine Pilot-Multicenter-Validierungsstudie (SMA-AtHome)

2. November 2026 aktualisiert von: Institut de Myologie, France

There is no complete cure for SMA yet. However, the discovery of the genetic cause of SMA has led to the development of several treatment options that affect the genes involved in SMA - a gene replacement therapy called Zolgensma, and two drugs, called Nusinersen (Spinraza) and Risdiplam (Evyrsdi). In this context, the evaluation of efficacy and the long term follow-up of patients treated with these innovative treatments in clinical routine is one of the critical points. These evaluations are carried out in a medical context (clinical sites or research unit) using validated measurement tools and outcome measures. Carrying out these evaluations in a controlled environment can be considered from certain aspects as an advantage (reproducibility of measures, neutral environment, etc.), but also raises a certain number of questions regarding the impact on patients, the financial cost, or the relevance of the data obtained in an unnatural environment (stress, fatigue, patient motivation…). Also the regulatory authorities ask for longitudinal data for deciding to reimburse these expensive treatments. As such, the hospital cannot digest all these evaluations due to a lack of resources.

Studienübersicht

Status

Zurückgezogen

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

In the last few years, a number of therapeutic approaches have targeted a possible increase of the production of SMN protein in target motor neurons by genetic replacement of the defective SMN1 gene or by modifying pre-mRNA splicing in SMN2 to promote exon 7 inclusion by using an antisense oligonucleotide or small molecule drugs. Several clinical studies have focused on the evaluation of patients with SMA, whether they are ambulatory or not, adults, children or infants, treated or untreated.

Depending on the SMA type, age or ambulatory status of the patients, different assessments (motor function scales or questionnaires) have provided consistent results to measure the evolution of the patients, such as HFMSE, MFM, RULM, 6MWT, MRC scale, Chop Intend or HINE.

As these evaluations are generally carried out in a controlled environment, they are likely to present an environmental bias. Even if studies are designed to anticipate and avoid most of these issues, different factors can influence patient test results (fatigue, motivation, stress, day to day variability…). From an economical point of view, the evaluation of patients in a controlled environment also has a significant cost, which heavily impact the global cost of clinical research or standard care (transport, patients' accommodation and care…). This factor is even more important as a significant proportion of the SMA population is non-ambulatory.

New treatments are indicated to treat SMA with a major impact on pre-existing disease standards of care and patients care pathway. In particular, there is no consensus on appropriate measures to monitor disease progression and treatment effect in a real-world setting. Such measures are critically needed to discuss treatment indication (treatment initiation criteria and stopping rules, therapeutic goals) and treatment monitoring. While patient reported outcome measures (PROMs) become more represented, objective functional measures are still required to assess SMA. In spite of the development of digital measures, no validated patient self-reported functional measures can be used as a surrogate. Thus, the objective disease assessment is currently based on validated outcome measures for SMA, similar to those used in clinical studies. As compared to clinical trials, the feasibility to administer these measures to SMA patients is challenging. Major limiting factors are: (1) the high disease-prevalence, (2) time-consuming measures, (3) the need for trained expert evaluators, and (4) limited access to hospital-based resources. In addition, the burden of affected individuals and caregivers has not been evaluated as well as patient treatment monitoring expectations. A refined approach using modern tools and fitting with patient real life environment is needed.

Studientyp

Interventionell

Phase

  • Unzutreffend

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienorte

      • Angers, Frankreich, 49933
        • CHU d'Angers
      • Lille, Frankreich, 59000
        • CHU de Lille
      • Nantes, Frankreich, 44093
        • CHU de Nantes
      • Paris, Frankreich, 75013
        • Institute of Myology
      • Reims, Frankreich, 51092
        • CHU de Reims
      • Tours, Frankreich, 37044
        • CHRU de Tours

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

18 Jahre und älter (Erwachsene, Älterer Erwachsener)

Akzeptiert gesunde Freiwillige

Nein

Studienberechtigte Geschlechter

Alle

Beschreibung

Inclusion Criteria:

  • Age > 18 years
  • Confirmed SMA type 2 or 3 diagnostic
  • Written informed consent
  • Able to comply with all protocol requirements
  • Affiliate or beneficiary of a social security scheme

Non-Inclusion Criteria:

  • Inability to carry out assessments at home
  • Claustrophobia (only for patients from Paris and Lille sites)
  • Guardianship/trusteeship
  • Pregnant or nursing women

Exclusion criteria:

  • Inability to comply with protocol requirements
  • Any medical and social conditions that could interfere with the study under the appreciation of the medical coordinator

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Sonstiges
  • Zuteilung: Zufällig
  • Interventionsmodell: Parallele Zuordnung
  • Maskierung: Keine (Offenes Etikett)

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Sonstiges: Home to onsite monitoring

Patients will be monitored and evaluate in a first time at home then onsite.

The grip and pinch strength of the patient will be evaluate using dedicated devices (MyoGrip and MyoPinch)

Andere Namen:
  • MyoGrip/Pinch

Lower and upper limb capacities of the patients will be measured during timed tests

Andere Namen:
  • 10 mWT, 30 STS, 6 MWT, 9 HPT

Patient's motor functional abilities will be evaluated using specific motor scales (MFM32, RULM)

Patients and caregivers quality of life will be measured with different questionnaires (SMA-FRS, QOL-gNMD, SMAIS, PREM)

Patients physical activity will be measured at home using accelerometer sensors

Sub-group of patients will perform an NMR imaging to evaluate the intramuscular fatty infiltration in thighs and muscle volume in thighs

The patients' muscular and fatty volume will be evaluated using BIA technic (compared to MNR)

Sonstiges: Onsite to Home monitoring

Patients will be monitored and evaluate in a first time onsite then at home .

The grip and pinch strength of the patient will be evaluate using dedicated devices (MyoGrip and MyoPinch)

Andere Namen:
  • MyoGrip/Pinch

Lower and upper limb capacities of the patients will be measured during timed tests

Andere Namen:
  • 10 mWT, 30 STS, 6 MWT, 9 HPT

Patient's motor functional abilities will be evaluated using specific motor scales (MFM32, RULM)

Patients and caregivers quality of life will be measured with different questionnaires (SMA-FRS, QOL-gNMD, SMAIS, PREM)

Patients physical activity will be measured at home using accelerometer sensors

Sub-group of patients will perform an NMR imaging to evaluate the intramuscular fatty infiltration in thighs and muscle volume in thighs

The patients' muscular and fatty volume will be evaluated using BIA technic (compared to MNR)

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
To compare the results of physical evaluations between home and hospital
Zeitfenster: Through study completion, an average of 3 weeks

Evaluation of the correlations between results obtained during the physical evaluations at home compared to those obtained at hospital

Through study completion, an average of 3 weeks

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
To determine the barriers for evaluation at home
Zeitfenster: Through study completion, an average of 3 weeks

Inventory of items and assessments not carried out at home due to the environment

Through study completion, an average of 3 weeks
Correlation of home and hospital muscle volume measurement methods
Zeitfenster: Through study completion, an average of 3 weeks

Comparison of muscle volumes measured by bio-impedancemetry with those obtained by MRI.

Through study completion, an average of 3 weeks
Correlation of home and hospital MyoGrip measurement
Zeitfenster: Through study completion, an average of 3 weeks

Comparison of MyoGrip measurements obtained at home and at the hospital.

Through study completion, an average of 3 weeks
Correlation of home and hospital MyoPinch measurement
Zeitfenster: Through study completion, an average of 3 weeks

Comparison of MyoPinch measurements obtained at home and at the hospital.

Through study completion, an average of 3 weeks
Correlation of home and hospital MFM results
Zeitfenster: Through study completion, an average of 3 weeks

Comparison of MFM evaluation results obtained at home and at the hospital.

Through study completion, an average of 3 weeks
Correlation of home and hospital RULM results
Zeitfenster: Through study completion, an average of 3 weeks

Comparison of RULM evaluation results obtained at home and at the hospital.

Through study completion, an average of 3 weeks
Correlation of home and hospital 30STS tests results
Zeitfenster: Through study completion, an average of 3 weeks

Comparison of 30STS measurements obtained at home and at the hospital.

Through study completion, an average of 3 weeks
Correlation of home and hospital 9HPT results
Zeitfenster: Through study completion, an average of 3 weeks

Comparison of 9HPT measurements obtained at home and at the hospital.

Through study completion, an average of 3 weeks

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Mitarbeiter

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Tatsächlich)

6. Februar 2024

Primärer Abschluss (Tatsächlich)

1. März 2024

Studienabschluss (Tatsächlich)

1. März 2024

Studienanmeldedaten

Zuerst eingereicht

2. Dezember 2022

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

20. April 2023

Zuerst gepostet (Tatsächlich)

3. Mai 2023

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

4. November 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

2. November 2026

Zuletzt verifiziert

1. November 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Plan für individuelle Teilnehmerdaten (IPD)

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UNENTSCHIEDEN

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

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