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Daily Symptom Fluctuations and Functional Impact in Fibromyalgia

12. september 2026 oppdatert av: 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.

Studieoversikt

Status

Rekruttering

Forhold

Detaljert beskrivelse

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.

Studietype

Observasjonsmessig

Registrering (Antatt)

150

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

Studer Kontakt Backup

  • Navn: Hatice Gözde Sümer, M.D.
  • Telefonnummer: +90 532 157 72 99
  • E-post: gzdsmr@outlook.com

Studiesteder

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Prøvetakingsmetode

Ikke-sannsynlighetsprøve

Studiepopulasjon

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.

Beskrivelse

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

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

Kohorter og intervensjoner

Gruppe / Kohort
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.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Functional Impact Assessed by the Fibromyalgia Impact Questionnaire
Tidsramme: 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

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Within-Person Association Between Pain and Fatigue
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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

Samarbeidspartnere og etterforskere

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Sponsor

Mardin Artuklu University

Publikasjoner og nyttige lenker

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Generelle publikasjoner

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

1. august 2026

Primær fullføring (Antatt)

15. februar 2027

Studiet fullført (Antatt)

15. februar 2027

Datoer for studieregistrering

Først innsendt

12. september 2026

Først innsendt som oppfylte QC-kriteriene

12. september 2026

Først lagt ut (Faktiske)

17. september 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

17. september 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

12. september 2026

Sist bekreftet

1. september 2026

Mer informasjon

Begreper knyttet til denne studien

Nøkkelord

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • MTRH-PMR-TYY3

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