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Efficacy of Anti-IL-6 Treatments on Migraine in Patients Treated With Anti-IL-6 for a Rheumatological Condition (RHUMIL-6)

2 juin 2026 mis à jour par: University Hospital, Clermont-Ferrand
Migraine affects approximately 15% of the global population. Its prevalence doubles or even triples in individuals with chronic inflammatory conditions, such as chronic inflammatory rheumatic diseases (34%), multiple sclerosis (MS) (46%), or endometriosis (35%). The prevalence of chronic migraine - defined as at least 15 headache days per month (on average over the past 3 months), of which at least 8 days have migrainous features - is also higher in certain conditions such as MS (4%) compared to the general population (1%). The mechanisms underlying migraine and its chronification remain uncertain, but inflammation appears to play an important role in its pathophysiology: it is present from the onset of a migraine attack, represented by the release of pro-inflammatory cytokines that sensitize the trigeminal system and promote the occurrence of new attacks. The investigators' recent bibliographic work has demonstrated elevated levels of interleukin-6 (IL-6), a pro-inflammatory cytokine, in the blood of episodic migraine patients between attacks (migrainous status) compared to non-migrainous subjects, and in chronic migraine patients compared to episodic migraine patients (chronic migraine status). IL-6 appears to play a role in the pathophysiology of migraine, and elevated levels may represent a marker of poorer response to prophylactic treatments. IL-6 levels are also elevated in inflammatory rheumatic diseases and are associated with disease severity. The efficacy of IL-6 pathway-blocking treatments in inflammatory rheumatic diseases is now well established, and these agents are commonly used for this indication. IL-6 could therefore represent a shared pathophysiological link between migraine and inflammatory rheumatic diseases. However, no study to date has measured the effect of IL-6-blocking treatments on migraine. This study therefore aims to assess the effect of anti-IL-6 treatments on migraine in migrainous patients followed in the rheumatology department of the Clermont-Ferrand University Hospital and treated with anti-IL-6 therapy for their rheumatological condition (rheumatoid arthritis, polymyalgia rheumatica, etc.). It will provide preliminary results regarding the effect of anti-IL-6 agents on migraine and could justify future therapeutic studies.

Aperçu de l'étude

Statut

Pas encore de recrutement

Les conditions

Intervention / Traitement

Description détaillée

In this study, the investigators aim to measure the proportion of patients experiencing a reduction in migraine among those treated with anti-IL-6 therapy for their rheumatological condition, in terms of migraine frequency or intensity (primary objective). The secondary objectives are to :

  • Measure the proportion of patients experiencing a reduction in migraine among those treated with anti-IL-6 therapy for their rheumatological condition, in terms of (a) frequency, (b) intensity, (c) both frequency and intensity of migraines.
  • Compare the proportion of patients experiencing a reduction in migraine in terms of frequency or intensity between those treated with anti-IL-6 and a group of patients treated with anti-TNF (tumor necrosis factor) therapy.

From a pre-established list compiled by the investigators of patients on anti-IL-6 therapy (anti-IL-6 group) and patients on anti-TNF therapy (control group), all patients will be contacted by phone to identify those with migraine, using the International Classification of Headache Disorders, version 3 (ICHD-3) criteria from the International Headache Society (IHS). In cases where migraine is present, the effect of anti-IL-6 (anti-IL-6 group) or anti-TNF (control group) treatment in terms of the proportion of patients experiencing a reduction in migraine will be assessed using the Patient Global Impression of Change (PGI-C) score: a validated tool, widely used, translated into French and made available by eProvide - Mapi Research Trust [https://eprovide.mapi-trust.org/instruments/patient-global-impressions-scale-change-improvement-severity#need_this_questionnaire]) (comparison: before vs. during treatment). The episodic or chronic nature of migraine will be determined during the telephone interview according to the following criteria: fewer than 15 monthly headache days for episodic migraine, and at least 15 monthly headache days - of which at least 8 days have migrainous features - for chronic migraine (IHS definition). All patients on this list who meet the inclusion and non-inclusion criteria and agree to participate in the study will be enrolled. The inclusion of a control group - comprising patients treated with a biotherapy other than anti-IL-6, namely anti-TNF agents - will strengthen the level of attribution of the measured effect to anti-IL-6 treatment and help offset recall bias.

Type d'étude

Observationnel

Inscription (Estimé)

320

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

Lieux d'étude

  • France
      • Clermont-Ferrand, France
        • CHU clermont-ferrand
        • Chercheur principal:
          • Sylvain MATHIEU
        • Contact:
        • Sous-enquêteur:
          • Emily STUCHFIELD-DENBY

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 de probabilité

Population étudiée

Migrainous patients, identified using the International Classification of Headache Disorders, version 3 (ICHD-3) criteria from the International Headache Society (IHS) during the telephone call, will complete the Patient Global Impression of Change (PGI-C) score to determine whether the treatment (anti-IL-6 or anti-TNF) is associated with a reduction in migraines or not.

La description

Inclusion Criteria (for screening) :

  • at least 18 years old
  • ongoing or previous anti-IL-6 (anti-IL-6 group) or anti-TNF (anti-TNF group) therapy, taken for at least 3 months

Inclusion Criteria (patients to be enrolled) : migrainous patients, identified using the International Classification of Headache Disorders, version 3 (ICHD-3) criteria from the International Headache Society (IHS) during the telephone call

Exclusion Criteria:

  • Biotherapy treatment in the context of a diagnosis of giant cell arteritis
  • Verbal communication not possible
  • No affiliation to the French national health insurance system, legal protection measure (guardianship, curatorship, judicial protection)

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
Intervention / Traitement
Anti-IL-6 group
Patient on anti-IL-6 therapy
Autre: Migraine assessement
Migraine frequency and intensity will be assessed in patients on anti-IL-6 (anti-IL-6 group) and anti-TNF (anti-TNF group).
Autre: Patient Global Impression of Change
Migraine frequency and intensity will be assessed in patients taking anti-IL-6 (anti-IL-6 group) and anti-TNF therapy (anti-TNF group) using the Patient Global Impression of Change (PGI-C) score.
Anti-TNF group
Patients on anti-TNF therapy
Autre: Migraine assessement
Migraine frequency and intensity will be assessed in patients on anti-IL-6 (anti-IL-6 group) and anti-TNF (anti-TNF group).
Autre: Patient Global Impression of Change
Migraine frequency and intensity will be assessed in patients taking anti-IL-6 (anti-IL-6 group) and anti-TNF therapy (anti-TNF group) using the Patient Global Impression of Change (PGI-C) score.

Que mesure l'étude ?

Principaux critères de jugement

Mesure des résultats
Description de la mesure
Délai
Patient Global Impression of Change (PGI-C) on migraine (frequency or intensity)
Délai: Day 1
Measure change in migraine under anti-IL-6, in terms of frequency or intensity, according to the PGI-C score.
Day 1

Mesures de résultats secondaires

Mesure des résultats
Description de la mesure
Délai
Patient Global Impression of Change on migraine (frequency)
Délai: Day 1
Measure change in migraine under anti-IL-6, in terms of migraine frequency, according to the PGI-C score.
Day 1
Patient Global Impression of Change on migraine (intensity)
Délai: Day 1
Measure change in migraine under anti-IL-6, in terms of migraine intensity, according to the PGI-C score.
Day 1
Patient Global Impression of Change on migraine (frequency and intensity)
Délai: Day 1
Measure change in migraine under anti-IL-6, in terms of both frequency and intensity, according to the PGI-C scores.
Day 1

Collaborateurs et enquêteurs

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

Parrainer

University Hospital, Clermont-Ferrand

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 (Estimé)

26 mai 2026

Achèvement primaire (Estimé)

26 mai 2027

Achèvement de l'étude (Estimé)

26 mai 2027

Dates d'inscription aux études

Première soumission

13 mai 2026

Première soumission répondant aux critères de contrôle qualité

13 mai 2026

Première publication (Réel)

20 mai 2026

Mises à jour des dossiers d'étude

Dernière mise à jour publiée (Réel)

4 juin 2026

Dernière mise à jour soumise répondant aux critères de contrôle qualité

2 juin 2026

Dernière vérification

1 mai 2026

Plus d'information

Termes liés à cette étude

Mots clés

Termes MeSH pertinents supplémentaires

Autres numéros d'identification d'étude

  • RNI 2025 MATHIEU

Plan pour les données individuelles des participants (IPD)

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INDÉCIS

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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