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New study probes hidden link between fatigue and muscle weakness in arthritis

NCT ID NCT03940911

Knowledge-focused Sponsor: University Hospital, Strasbourg, France Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at why people with axial spondyloarthritis often feel very tired and how that relates to muscle function. Researchers will measure exercise capacity in 122 adults starting a new targeted therapy. The goal is to better understand the connection between fatigue and muscle health.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 122 people

The number the study aims to enrol. It can still change while the study runs.

Started

Nov 2025

Expected to finish

Dec 2029

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion criteria: * Axial SA according to the ASAS criteria; * Targeted therapy naïve patients * Indication to start a targeted therapy; * Initiation of targeted therapy ≤ 15 days before inclusion * ≥ 18 years old, no upper age limit; * Subject affiliated to a social health insurance reimbursement; * Subject able to understand the aims and risks of the research and having signed a dated and informed consent * Subject informed of the results of the preliminary medical examination * Woman in childbearing age: negative beta-HCG test and effective contraception; * Sufficient understanding of French to follow the protocol. Exclusion criteria: * Targeted therapy in progress for \> 15 days prior to inclusion * Contraindication to the use of targeted therapy * Systemic corticosteroids in the 15 days preceding the V0 visit * Associated extramuscular inflammatory disease (s) (excluding ocular and cutaneous involvement) eg chronic inflammatory bowel disease * Associated fibromyalgia (Questionnaire score FiRST ≥5) achieved during the V0 visit * History of coronary artery disease: exercise angina, acute coronary syndrome and / or coronary angioplasty, * History of lower extremity arterial disease: vascular claudication and / or lower extremity angioplasty * COPD * Neuromuscular pathology * Insufficiency of organ (renal, hepatic pulmonary heart) * Sleep apnea * Impossibility of giving the subject informed information (subject in emergency situation, difficulties in understanding the subject, etc.) * Subject under the protection of justice * Subject under guardianship or curatorship * Breastfeeding * Pregnancy * Subject in exclusion period defined by another clinical study or participating in a study likely to impact the results of the research

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Conditions

The condition(s) this trial relates to.

Axial Spondyloarthritis Fatigue Sarcopenia spondyloarthropathy

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Exercise capacity Fatigue Spondyloarthritis, axial

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Hôpitaux Universitaires de Strasbourg

    RECRUITING

    Strasbourg, Bas-Rhin, 67000, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.