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Nerve pain linked to poor sleep in ankylosing spondylitis patients

NCT ID NCT04809168

Knowledge-focused Sponsor: Bozyaka Training and Research Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 investigates how common spinal nerve pain is in people with ankylosing spondylitis (AS) and whether it affects their sleep. Researchers will use questionnaires to assess pain, sleep quality, quality of life, and fatigue in 292 AS patients. The goal is to better understand the relationship between nerve pain and sleep problems in this condition.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this study could highlight the need to better manage neuropathic pain in ankylosing spondylitis to improve sleep and quality of life.
What could go wrong
This is an observational study, not a treatment trial. It only measures associations, so it cannot prove cause and effect or lead directly to new therapies.

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.

Participants

292 people

The number who actually took part.

Started

Apr 2021

Expected to finish

Dec 2026

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.

Who is studied

AS patients and age- and sex-matched control subjects will be chosen among individuals submitting to our out-patient clinic with nociceptive/mechanical pain complaint lasting more than three months.

Ages

18 to 70 years

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: * Being diagnosed with AS according to the 1984 Modified New York Criteria * Visual Analogue Scale (VAS) spinal pain score ≥ 2 Exclusion Criteria: * Diabetes mellitus, renal insufficiency, hypothyroidism * Carpal tunnel syndrome, postherpetic neuralgia, spinal cord compression * Neurological diseases leading to neuropathic pain * Cervical and lumbar radiculopathy * Fibromyalgia * Malignancy * Severe cardiac disease * Pregnancy * Muscle weakness or hypoesthesia indicating peripheral nerve injury * In the last three months medical treatment leading to neuropathy (colchicine etc.) * In the last three months drug use for the treatment of fibromyalgia, depression and anxiety

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Conditions

The condition(s) this trial relates to.

ankylosing spondylitis

As listed by the trial registrant

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

Ankylosing spondylitis

Contacts and locations

Locations

  • Izmir Bozyaka Training and Research Hospital

    Izmir, Turkey (Türkiye)

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