ClinicalTrials.gg
RecruitingNCT06562283FANTASI-SMARTUpdated May 6, 2026

Evaluation of the Reproducibility of a Fatigability Test Fitted to Patients With Spinal Muscular Atrophy

An interventional study of Thumb test and Grip test in Spinal Amyotrophy, Infantile Spinal Muscular Atrophy and Juvenile Spinal Muscular Atrophy, sponsored by Centre Hospitalier Universitaire de Saint Etienne. Recruiting at 4 sites in France. Open to participants aged 6 Years and older. Per ClinicalTrials.gov, last updated 2026-05-06.

Primary conditionSpinal Muscular Atrophies of ChildhoodRegistry: Muscular Atrophy, SpinalReclassifiedWhy we changed it
Registry
Muscular Atrophy, Spinal — the first condition term the registry derived for this study.
ClinicalTrials.gg
Spinal Muscular Atrophies of Childhood
Why
  1. The study's listed conditions name Spinal Muscular Atrophies of Childhood, a narrower term within Muscular Atrophy, Spinal.
Confidence
High: the new condition is named in the study's own listed conditions. Of 351 hand-checked studies reclassified this way, 68% were exactly right and 84% in the right disease family; the registry's first term was right for 5% (measured 2026-10-21). How we classify →
Wrong?
Tell us the study's main condition →

Sponsored by Centre Hospitalier Universitaire de Saint Etienne · Not applicable, Interventional, and Other

From the registry’s dates

  • Started Dec 2024; still recruiting 1 year 11 months later.
Phase
Not applicable
Study type
Interventional
Enrollment
80
Allocation
Non-randomized
Ages
6 Years and older
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-13

Among 11 studies in Spinal Muscular Atrophies of Childhood with a site in France — 3 open to participants now, 5 under way, 2 of them phase 3. Spinal Muscular Atrophies of Childhood · France.

Planned enrollment
6th of 11
80 · median 80
Started
2024
with 1 other
No phase
6 of 11
2 open now
Registered
10th of 11
by date
Lead sponsor
1 of 11
Centre Hospitalier Universitaire de Saint Etienne

Among the 11 studies in Spinal Muscular Atrophies of Childhood with a site in France, this one is the 6th largest by planned enrollment, is one of 2 that started in 2024, is one of 6 with no phase, and was the 10th registered.

Spinal Muscular Atrophies of Childhood

61 studies on the registry are indexed under Spinal Muscular Atrophies of Childhood; 18 are open to participants now.

Browse Spinal Muscular Atrophies of Childhood studies →

Open to participants now

3 of the 11 studies in Spinal Muscular Atrophies of Childhood with a site in France are open now. Recruiting first, the newest first:

All 3 open studies →

A study can be open while its sites in France have not opened yet or have stopped. Only those recruiting at a site in France →

Who these studies take

Of the 12 Spinal Muscular Atrophies of Childhood studies recruiting now, 5 (42%) set no upper age limit and 7 (58%) stop at 75 or younger; 11 take children under 18; 2 take healthy volunteers.

This study: 6 Years and older · all sexes · no healthy volunteers.

The full table on the hub →

This tab as a report to print or save as PDF → With an account.

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Watch this landscapeDownload CSVNarrow it in search →With an account: a weekly mail of what changed among 11 studies in Spinal Muscular Atrophies of Childhood with a site in France, or all of them as a file.
02

Study summary

Spinal muscular atrophy (SMA) is an autosomal recessive neuromuscular disease caused by the degeneration of motor neurons in the anterior horn of the spinal cord, due to the absence of the SMN1 gene and the resulting lack of SMN protein. Some patients with particularly severe forms (types 0 or 1) die before the age of 2 in the absence of treatment, while others retain autonomous walking throughout their lives, with no reduction in life expectancy. Three treatments aimed at restoring SMN (TRS) protein expression have recently been approved by the US Food and Drug Administration and the European Medicines Agency (i.e. Nusinersen / Onasemnogene Abeparvovec / Risdiplam). Patients treated with TRS after the onset of symptoms (symptomatic patients) may show significant motor improvement, but retain difficulties such as muscle weakness and fatigue leading to limitations in activities of daily living. The aim of this study is to adapt a fatigability test, widely validated in its original version in different populations (QIF test), but adapted in this protocol to the motor level and low abilities of certain SMA patients. Our objectives are to determine whether these assessments are feasible in SMA patients, reproducible, and relevant for monitoring this population, either routinely or for future clinical trials.

03

Conditions studied

  • Spinal Amyotrophy
  • Infantile Spinal Muscular Atrophy
  • Juvenile Spinal Muscular Atrophy

Browse trials for

Keywords

  • Spinal Muscle Atrophy
  • Neuromuscular performance
  • Fatigue
  • Peripheral fatigue
04

In context

Spinal Muscular Atrophies of Childhood Reclassified

61 studies on the registry are indexed under Spinal Muscular Atrophies of Childhood; 18 are open to participants now.

This study's planned enrollment of 80 is above the median of 15 across 41 interventional studies indexed under Spinal Muscular Atrophies of Childhood.

Browse Spinal Muscular Atrophies of Childhood studies →

Lead sponsor

Centre Hospitalier Universitaire de Saint Etienne is the lead sponsor of 597 studies on the registry; 127 are open to participants now.

Compared within Spinal Muscular Atrophies of Childhood, this study's primary condition as ClinicalTrials.gg classifies it; the registry's first condition term is Muscular Atrophy, Spinal. The counts are of registry records indexed under each term, refreshed daily. How we classify →

05

Who can participate

Ages eligible
6 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Genetically confirmed spinal muscular atrophy
  • Age ≥ 6 years
  • No orthopaedic surgery in the 6 months prior to inclusion
  • signed by the patient(s) or parent(s)/legal guardian(s) and assent of the patient
  • Affiliated or beneficiary of a health insurance scheme (for inclusion in France)

Exclusion criteria

Exclusion Criteria:

  • Other condition that may significantly interfere with the assessment of the SMA and which is clearly unrelated to the disease
  • Other associated neurological disease
  • Joint deformities that prevent correct and comfortable positioning with the various different measuring devices (thumb-index clamp, handgrip and QIF-test)
  • to transcranial magnetic stimulation
Terms in these criteria, in plain language(2)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

Contraindication

A reason a treatment, test or procedure should not be given to a particular person, such as an allergy, another illness or a medicine they take.

06

Study design

Phase
Not applicable
Primary purpose
Other
Allocation
Non-randomized
Intervention model
Crossover assignment
Masking
None (open label)
Enrollment
80 participants (estimated)

Study arms

  • Experimental
    Ambulatory patients (SMA-AMB)

    The patient is said to be "ambulant" if he or she is able to walk and perform a muscle contraction test with the quadriceps.

    Other: Grip test · Other: Quadriceps Intermittent Fatigue test (QIF test))

  • Experimental
    Non-ambulatory patients capable of effective grasping (SMA-PRE)

    The patient is said to be "non-ambulant", with the ability to grasp the hand.

    Other: Thumb test · Other: Grip test

  • Experimental
    Non-ambulatory patients without grasping ability (SMA-POU)

    The patient is said to be "non-ambulant", with the ability to contract the thumb, but without the ability to grasp the hand.

    Other: Thumb test

Interventions

  • OtherThumb test

    Thumb adduction test consisting of intermittent, repetitive isometric contractions lasting 5 seconds at incremental percentages of maximum force.

  • OtherGrip test

    Muscle contraction gripping test, consisting of intermittent, repetitive isometric contractions lasting 5 seconds at incremental percentages of maximum force.

  • OtherQuadriceps Intermittent Fatigue test (QIF test))

    Quadriceps muscle contraction test consisting of intermittent, repetitive isometric contractions lasting 5 seconds at incremental percentages of maximum force.

07

What researchers measure

Primary outcomes

  1. Feasibility of a fatigability test adapted to the motor level of the entire population of patients with spinal muscular atrophy.

    Feasibility will be assessed by the patient's success in performing the fatigability test: i.e. performing at least 2 incremental steps (i.e. at least 10 contractions at 10% of their maximum strength, then 10 contractions at 20% of their maximum strength). Validation of the feasibility of the fatigability test will be obtained if at least 80% of patients are able to perform at least the first 2 stages.

    Time frame: Day : 1

Secondary outcomes

  1. Tolerance of fatigability test - Pain

    The tolerance of the fatigability test will be measured by a visual analogue pain scale for adults and the FPS-R face scale for children, as recommended by the French National Authority for Health (HAS)

    Time frame: Day : 1

  2. Tolerance of fatigability test - RPE

    The tolerance of the fatigability test will be measured by perception of exertion (RPE) using the Borg scale (from 0 - rest to 10 - Maximal perceived effort).

    Time frame: Day : 1

  3. Tolerance of fatigability test - AEs

    The tolerance of the fatigability test will be measured by the recording of adverse events (AEs) such as pain, discomfort, cramp; before, at each stage and at the end of the test. Tolerability of the fatigability test will be achieved if at least 90% of patients are able to carry out the test without having to stop it early because of the occurrence of AEs.

    Time frame: Day : 1

  4. Reproducibility of the fatigability test

    The reproducibility of the fatigability test will be assessed by measuring and comparing the maximum voluntary force (MVC, en Nm) and the loss of force, assessed by the same assessor.

    Time frame: Day : 1

  5. Reproducibility of the central and peripheral components of fatigue - VA

    The reproducibility of the central and peripheral components of fatigue will be assessed by the difference in the level of voluntary activation (% Voluntary Activation, VA) assessed by the same assessor.

    Time frame: Day : 1

  6. Reproducibility of the central and peripheral components of fatigue - magnetic jerk

    The reproducibility of the central and peripheral parts of the fatigue will be evaluated by the difference in the amplitude of the magnetic jerk at rest (% jerk) of the muscles investigated, evaluated by the same evaluator.

    Time frame: Day : 1

  7. Perceived fatigue - FACIT-F

    Perceived fatigue will be measured by the FACIT-F questionnaire (Functional Assessment of Chronic Illness Therapy) for adult patients. The FACIT-F is the instrument most frequently used to assess fatigue in the various chronic pathologies associated with chronic fatigue. It consists of a short questionnaire with 13 questions, which the patient answers on a scale from 0 to 4. The scores are added together, inverting the scale for negative sentences, to give a score out of 52 points. The lower the score, the greater the fatigue.

    Time frame: Day : 1

  8. Perceived fatigue - PedsQL 4.0

    Perceived fatigue will be measured by the PedsQL 4.0 fatigue questionnaire in the youngest patients (questionnaire for 6-8 year olds, 8-12 year olds, 12-17 year olds). Scores are transformed on a scale from 0 to 100, with higher scores indicating better functioning, ie lower fatigue.

    Time frame: Day : 1

08

Study locations

4 of 4 sites recruiting
  • Unités de Myologie et de Médecine du Sport
    Saint-Etienne, France 42055, France
    Recruiting
  • HCL - Hôpital Croix Rousse
    Lyon, France
    Recruiting
    • Shams RIBAULT, MD · Contact
    • Shams RIBAULT, MD · Principal investigator
  • HFME - Hospices Civils de Lyon
    Lyon, France
    Recruiting
    • Carole VUILLEROT, MD PhD · Contact
    • Carole VUILLEROT, MD PhD · Principal investigator
  • Aphp - Hopital Pitie Salpetriere
    Paris, France
    Recruiting
    • Tanya STOJKOVIC, MD · Contact
    • Tanya STOJKOVIC, MD · Principal investigator
    • Anthony BEHIN, MD · Sub investigator
    • Jean-Yves HOGREL, MD · Sub investigator
09

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

10

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Started Dec 2024 (actual). Primary completion is estimated for Oct 2026, 22 months after the start.

How these figures are worked out, and which studies are left out of them.

Registered
Aug 5, 2024
First posted
Aug 20, 2024
StartActual
Dec 6, 2024
Primary completionEst.
Oct 2026
CompletionEst.
Oct 2026
Last update
May 6, 2026
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on May 6, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT06562283
Responsible party
Sponsor
First posted
Aug 20, 2024
Start date
Dec 6, 2024
Primary completion
Oct 2026 (estimated)
Completion
Oct 2026 (estimated)
Last update
May 6, 2026

Study contacts

Leonard FEASSON, MD PhD
Contact
leonard.feasson@chu-saint-etienne.fr
(0)4 77 12 03 83 ext. +33
Leonard FEASSON, MD PhD
principal investigator · Centre Hospitalier Universitaire de Saint Etienne

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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