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Daily Symptom Fluctuations and Functional Impact in Fibromyalgia

12 septembre 2026 mis à jour par: Hatice Gözde Sümer, Mardin Artuklu University

Relationship Between Daily Symptom Fluctuations and Functional Impact in Fibromyalgia

Fibromyalgia is a chronic condition that commonly causes widespread pain, fatigue, and difficulty in daily activities. These symptoms may change from day to day, even when their average severity is similar.

This study aims to examine whether daily changes in pain and fatigue are related to functional impact in adults with fibromyalgia. Participants will complete clinical questionnaires at the first visit and record their pain and fatigue levels for seven days. Sleep quality and perceived control over symptoms will also be recorded. No treatment or additional medical procedure will be given as part of the study.

Aperçu de l'étude

Statut

Recrutement

Les conditions

Description détaillée

Fibromyalgia symptoms do not always remain at the same level. Pain and fatigue may increase or decrease between days and may also change between morning and evening. Clinical assessments usually focus on the average severity of these symptoms. However, patients with similar average pain or fatigue levels may have different levels of difficulty in daily life. This study will therefore examine whether symptom fluctuation provides additional information about functional impact beyond average symptom severity.

Adults diagnosed with fibromyalgia according to the 2016 American College of Rheumatology criteria will be included. At the initial visit, demographic and clinical information will be recorded. Functional impact will be assessed using the Fibromyalgia Impact Questionnaire. Anxiety and depression symptoms will be assessed using the Hospital Anxiety and Depression Scale, and symptoms related to central sensitization will be assessed using the Central Sensitization Inventory.

After the initial visit, participants will record pain and fatigue levels every morning and evening for seven days using 0-10 numerical rating scales. They will also record their sleep quality each morning and their perceived control over symptoms once daily. These records will be used to calculate average pain and fatigue levels, daily fluctuations in these symptoms, maximum symptom levels, and the degree to which pain and fatigue change together within each participant.

The main analysis will examine the relationship between pain and fatigue fluctuations and functional impact. It will also evaluate whether symptom fluctuation is related to functional impact after considering average pain and fatigue levels, age, sex, and disease duration. Additional analyses will examine the relationships of pain-fatigue synchrony, sleep quality, maximum symptom levels, and perceived symptom control with functional impact. The study is observational and is not designed to determine cause-and-effect relationships.

Type d'étude

Observationnel

Inscription (Estimé)

150

Contacts et emplacements

Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.

Coordonnées de l'étude

Sauvegarde des contacts de l'étude

  • Nom: Hatice Gözde Sümer, M.D.
  • Numéro de téléphone: +90 532 157 72 99
  • E-mail: gzdsmr@outlook.com

Lieux d'étude

Critères de participation

Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.

Critère d'éligibilité

Âges éligibles pour étudier

  • Adulte
  • Adulte plus âgé

Accepte les volontaires sains

Non

Méthode d'échantillonnage

Échantillon non probabiliste

Population étudiée

The study population will consist of adults aged 18-65 years who attend the Physical Medicine and Rehabilitation outpatient clinic of Mardin Training and Research Hospital and meet the 2016 American College of Rheumatology criteria for fibromyalgia. Both female and male participants will be included. All participants must be able to complete the seven-day symptom records and provide written informed consent. No healthy control group will be included.

La description

Inclusion Criteria:

  • Diagnosis of fibromyalgia according to the 2016 American College of Rheumatology criteria
  • Age between 18 and 65 years
  • Ability to understand and complete the daily symptom records
  • Ability and willingness to provide written informed consent

Exclusion Criteria:

  • Active inflammatory rheumatic disease
  • Major neurological disease
  • Major change in fibromyalgia treatment within the previous three months
  • Pregnancy, postpartum period, or breastfeeding
  • Cognitive impairment or inability to provide informed consent
  • Completion of less than 70% of the required daily symptom records
  • Major change in fibromyalgia treatment during the seven-day monitoring period

Plan d'étude

Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.

Comment l'étude est-elle conçue ?

Détails de conception

Cohortes et interventions

Groupe / Cohorte
Adults With Fibromyalgia
Adults aged 18-65 years who meet the 2016 American College of Rheumatology criteria for fibromyalgia will be included. Participants will complete clinical questionnaires at the initial visit and record pain and fatigue levels for seven days. Sleep quality and perceived symptom control will also be recorded. No treatment or experimental intervention will be administered as part of the study.

Que mesure l'étude ?

Principaux critères de jugement

Mesure des résultats
Description de la mesure
Délai
Functional Impact Assessed by the Fibromyalgia Impact Questionnaire
Délai: At the initial visit
Functional impact will be assessed using the Fibromyalgia Impact Questionnaire (FIQ). The total score ranges from 0 to 100, with higher scores indicating greater impact of fibromyalgia. The main analysis will examine whether within-person variability in pain and fatigue over seven days is associated with the FIQ score independently of average pain and fatigue levels.
At the initial visit

Mesures de résultats secondaires

Mesure des résultats
Description de la mesure
Délai
Within-Person Association Between Pain and Fatigue
Délai: During the 7-day monitoring period
Participants will rate pain and fatigue every morning and evening for seven days using 0-10 numerical rating scales. The within-person correlation between paired pain and fatigue ratings will be calculated for each participant. The relationship between this correlation and the FIQ total score will be examined.
During the 7-day monitoring period
Maximum Pain and Fatigue Levels
Délai: During the 7-day monitoring period
The highest pain rating and the highest fatigue rating reported by each participant during the seven-day monitoring period will be identified separately. Both are measured on scales from 0 to 10, with higher scores indicating greater symptom severity. Their relationships with the FIQ total score will be examined.
During the 7-day monitoring period
Perceived Symptom Control
Délai: During the 7-day monitoring period
Participants will rate their perceived control over their symptoms once daily for seven days using a scale from 0 to 10. The relationship between perceived symptom control and the FIQ total score will be examined.
During the 7-day monitoring period
Sleep Quality
Délai: During the 7-day monitoring period
Participants will rate the quality of the previous night's sleep each morning for seven days using a scale from 0 to 10. The relationships of sleep quality with pain, fatigue, and the FIQ total score will be examined.
During the 7-day monitoring period

Collaborateurs et enquêteurs

C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.

Parrainer

Mardin Artuklu University

Publications et liens utiles

La personne responsable de la saisie des informations sur l'étude fournit volontairement ces publications. Il peut s'agir de tout ce qui concerne l'étude.

Publications générales

Dates d'enregistrement des études

Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.

Dates principales de l'étude

Début de l'étude (Réel)

1 août 2026

Achèvement primaire (Estimé)

15 février 2027

Achèvement de l'étude (Estimé)

15 février 2027

Dates d'inscription aux études

Première soumission

12 septembre 2026

Première soumission répondant aux critères de contrôle qualité

12 septembre 2026

Première publication (Réel)

17 septembre 2026

Mises à jour des dossiers d'étude

Dernière mise à jour publiée (Réel)

17 septembre 2026

Dernière mise à jour soumise répondant aux critères de contrôle qualité

12 septembre 2026

Dernière vérification

1 septembre 2026

Plus d'information

Termes liés à cette étude

Mots clés

Termes MeSH pertinents supplémentaires

Autres numéros d'identification d'étude

  • MTRH-PMR-TYY3

Plan pour les données individuelles des participants (IPD)

Prévoyez-vous de partager les données individuelles des participants (DPI) ?

NON

Informations sur les médicaments et les dispositifs, documents d'étude

Étudie un produit pharmaceutique réglementé par la FDA américaine

Non

Étudie un produit d'appareil réglementé par la FDA américaine

Non

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