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EFFECT OF ANODAL TRANSCRANIAL DIRECT CURRENT STIMULATION (tDCS) OF PRIMARY MOTOR CORTEX ON HEADACHE FREQUENCY IN PATIENTS WITH CHRONIC MIGRAINE

29 de julio de 2026 actualizado por: Dr Ashish Kumar Duggal, Dr. Ram Manohar Lohia Hospital

Migraine is a common, heterogeneous neurological disorder affecting approximately 10-15% of the global population and is the third most prevalent disease worldwide. A wide range of pharmacological agents is available for migraine prophylaxis, with treatment selection generally guided by the patient's clinical profile, associated comorbidities, and individual tolerability. However, the effectiveness of preventive medications is often limited by adverse effects, leading to poor treatment adherence and discontinuation. Consequently, non-pharmacological interventions, particularly neuromodulation techniques, have gained increasing attention as potential therapeutic options for chronic migraine.

Transcranial direct current stimulation (tDCS) is a non-invasive neuromodulation technique that has demonstrated efficacy in modulating refractory pain in patients with chronic migraine, fibromyalgia, spinal cord injury, and trigeminal neuralgia. In addition, it has shown therapeutic benefits in several neurological and psychiatric disorders, including depression, stroke, epilepsy, and Parkinson's disease. The present study aims to evaluate the efficacy of anodal tDCS applied over the primary motor cortex as an adjunctive therapy for reducing headache frequency in patients with chronic migraine.

A total of 32 participants with chronic migraine will be enrolled and randomized using block randomization with a block size of four, stratified according to the presence or absence of medication-overuse headache (MOH), through an online randomization generator. Participants will be allocated to receive either active or sham tDCS. Before randomization, all eligible patients will maintain a baseline headache diary for four weeks while continuing their existing prophylactic medications. Thereafter, they will undergo three 20-minute stimulation sessions administered during weeks 1, 5, and 9. Treatment outcomes will be evaluated at weeks 5, 9, and 12 using headache diary records and predefined objective assessment tools.

Descripción general del estudio

Tipo de estudio

Intervencionista

Inscripción (Estimado)

32

Fase

  • Fase 3

Contactos y Ubicaciones

Esta sección proporciona los datos de contacto de quienes realizan el estudio e información sobre dónde se lleva a cabo este estudio.

Estudio Contacto

Copia de seguridad de contactos de estudio

Ubicaciones de estudio

      • New Delhi, India, 110001
        • Atal Bihari Vajpayee Institute of Medical Sciences and Dr. Ram Manohar Lohia Hospital
        • Contacto:
        • Contacto:

Criterios de participación

Los investigadores buscan personas que se ajusten a una determinada descripción, denominada criterio de elegibilidad. Algunos ejemplos de estos criterios son el estado de salud general de una persona o tratamientos previos.

Criterio de elegibilidad

Edades elegibles para estudiar

  • Adulto

Acepta Voluntarios Saludables

No

Descripción

Inclusion Criteria:

  1. Patients aged 18-60 years diagnosed with chronic migraine as per ICHD-3.
  2. Patients who were on a minimum of one concomitant preventive medication for not less than three months duration and a dose that was stable for at least one month prior to randomization.
  3. Willingness to provide informed consent and maintain a headache diary.

Exclusion Criteria:

  1. Patients with neurologic diseases such as tumours, seizures, dementia, meningitis, stroke, etc.
  2. Patients with barbiturate/opioid overuse or complications due to NSAID overuse.
  3. Patients failing to complete headache diary for more than 6 non-consecutive days during baseline.
  4. Illiterate patients without a caregiver to maintain the diary.
  5. Patients with pacemakers, cochlear implants.
  6. Pregnant women.

Plan de estudios

Esta sección proporciona detalles del plan de estudio, incluido cómo está diseñado el estudio y qué mide el estudio.

¿Cómo está diseñado el estudio?

Detalles de diseño

  • Propósito principal: Investigación de servicios de salud
  • Asignación: Aleatorizado
  • Modelo Intervencionista: Asignación paralela
  • Enmascaramiento: Cuadruplicar

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Experimental: Anodal TDCS Arm (will receive true tDCS)
Will receive true Anodal tDCS
Patients in group A will receive true anodal stimulation
Patients in group B will receive Sham stimulation
Comparador falso: Sham tDCS Arm (will receive sham stimulation)
Will receive sham tDCS stimulation
Patients in group A will receive true anodal stimulation
Patients in group B will receive Sham stimulation

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Change in frequency of moderate-severe headache days (week 12 vs baseline).
Periodo de tiempo: 12 weeks
Change in the number of monthly moderate-to-severe headache days from baseline to Week 12, as recorded in the participant headache diary.
12 weeks

Medidas de resultado secundarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Change in migraine days (week 12 vs baseline).
Periodo de tiempo: 12 weeks
Change in the frequency of monthly migraine days from baseline to Week 12, as recorded in the participant headache diary.
12 weeks
50% responder rate
Periodo de tiempo: 12 weeks
The number of patients having a 50% reduction in migraine days per month in both groups was calculated at week 12
12 weeks
Change in headache severity (week 12 vs baseline).
Periodo de tiempo: 12 weeks
The change in headache severity will be assessed at week 12 from baseline in terms of visual analogue score (0-3)
12 weeks
Change in number of days with acute medication use (week 12 vs baseline)
Periodo de tiempo: 12 weeks
Change in the number of days requiring acute migraine medication use per month from baseline to Week 12, as recorded in the participant headache diary.
12 weeks
Change in PHQ-9 scores (week 12 vs baseline)
Periodo de tiempo: 12 weeks
Change in Patient Health Questionnaire-9 (PHQ-9) scores from baseline to Week 12
12 weeks
Change in MIDAS score (week 12 vs baseline)
Periodo de tiempo: 12 weeks
Change in Migraine Disability Assessment (MIDAS) scores from baseline to Week 12, assessing changes in migraine-related disability.
12 weeks
Change in HIT - 6 scores (week 12 vs baseline)
Periodo de tiempo: 12 weeks
Change in Headache Impact Test-6 (HIT-6) scores from baseline to Week 12, assessing the impact of headache on daily functioning and health-related quality of life.
12 weeks
Change in Migraine specific Quality of Life (week 12 vs baseline)
Periodo de tiempo: 12 weeks
Change in Migraine-Specific Quality of Life (MSQ) scores from baseline to Week 12, assessing changes in migraine-related quality of life.
12 weeks
Safety Outcome - Adverse events reported by the patients after each session of tDCS
Periodo de tiempo: 12 weeks
Incidence and severity of adverse events reported by participants following each transcranial direct current stimulation (tDCS) session, monitored throughout the study period.
12 weeks

Colaboradores e Investigadores

Aquí es donde encontrará personas y organizaciones involucradas en este estudio.

Investigadores

  • Investigador principal: Ashish K Duggal, DM Neurology, ABVIMS and Dr RML Hospital, New Delhi

Fechas de registro del estudio

Estas fechas rastrean el progreso del registro del estudio y los envíos de resultados resumidos a ClinicalTrials.gov. Los registros del estudio y los resultados informados son revisados ​​por la Biblioteca Nacional de Medicina (NLM) para asegurarse de que cumplan con los estándares de control de calidad específicos antes de publicarlos en el sitio web público.

Fechas importantes del estudio

Inicio del estudio (Estimado)

1 de agosto de 2026

Finalización primaria (Estimado)

31 de enero de 2027

Finalización del estudio (Estimado)

31 de enero de 2027

Fechas de registro del estudio

Enviado por primera vez

29 de julio de 2026

Primero enviado que cumplió con los criterios de control de calidad

29 de julio de 2026

Publicado por primera vez (Actual)

4 de agosto de 2026

Actualizaciones de registros de estudio

Última actualización publicada (Actual)

4 de agosto de 2026

Última actualización enviada que cumplió con los criterios de control de calidad

29 de julio de 2026

Última verificación

1 de julio de 2026

Más información

Términos relacionados con este estudio

Plan de datos de participantes individuales (IPD)

¿Planea compartir datos de participantes individuales (IPD)?

SÍ

Descripción del plan IPD

IPD collected throughout the trial will be available from the Principle Investigator upon reasonable request.

Tipo de información de apoyo para compartir IPD

  • PROTOCOLO DE ESTUDIO
  • SAVIA
  • CIF

Información sobre medicamentos y dispositivos, documentos del estudio

Estudia un producto farmacéutico regulado por la FDA de EE. UU.

No

Estudia un producto de dispositivo regulado por la FDA de EE. UU.

No

Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .

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