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Comorbidity Between Attention Deficit Hyperactivity Disorder and Fibromyalgia

Not yet recruitingNot applicableNCT07443800
View the official record on ClinicalTrials.gov

Recruiting status changes often. Contact the study team listed on ClinicalTrials.gov, and talk to your doctor before joining a study.

This study has no listed site in Canada in this snapshot. It is included as part of the worldwide chronic pain corpus.

Brief summary (from the registry)

The overall objective of the research project presented here is to assess the prevalence of fibromyalgia in patients being treated for ADHD, the prevalence of ADHD in patients being treated for fibromyalgia, and the neurobiological correlates of ADHD-fibromyalgia comorbidity.

Study details

Official title
Comorbidity Between Attention Deficit Hyperactivity Disorder (ADHD) and Fibromyalgia: Cross-prevalence in Patients Treated for ADHD Who Are naïve to Methylphenidate, ADHD Treated With Methylphenidate, or Fibromyalgia, and Associated Metabolomic Factors
Conditions
Interventions
Sponsor
University Hospital, Tours
Start date
2026-07-01
Primary completion
2028-07-01
Sex
All
Age range
from 18 Years to 100 Years
Results posted
No results posted in this snapshot
Total sites listed
0

Eligibility criteria

Show eligibility criteria (verbatim from the registry)
Inclusion Criteria: For patients with fibromyalgia : * Men or women aged 18 or over * Diagnosis of fibromyalgia * Affiliated with a social security scheme * Having signed an informed consent form For patients with ADHD treated with methylphenidate * Men or women aged 18 or over * ADHD diagnosis * Current treatment with extended-release methylphenidate for at least 1 month, with stable dosage for at least 2 weeks * Affiliated with a social security scheme * Having signed an informed consent form For patients with ADHD but not treated with methylphenidate * Men or women aged 18 or over * ADHD diagnosis * Affiliated with a social security scheme * Having signed an informed consent form Exclusion Criteria: * For patients with fibromyalgia: existence of another condition explaining chronic pain * Severe cognitive impairment * Difficulties in understanding self-administered questionnaires * Difficulties in assessing pain intensity * Acute psychiatric disorder impacting the validity of self-report questionnaire data collection * Inability to take biological samples * Persons covered by Articles L1121-5 to L1121-8 of the CSP (corresponding to all protected persons: pregnant women, women in labor, nursing mothers, persons deprived of their liberty by judicial or administrative decision, minors, persons subject to legal protection measures: guardianship or curatorship).

Source: ClinicalTrials.gov (US National Library of Medicine), snapshot October 2026. Check the registry for current recruiting status. Record: https://clinicaltrials.gov/study/NCT07443800