rTMS in Children and Adolescents With ADHD:

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

NOT_YET_RECRUITING

Clinical Phase

NA

Total Enrollment

60 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-10-10

Study Completion Date

2026-10-31

Brief Summary

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Assess the effect of RTMS on ADHD symptoms and assessment of this effect clinically and objectively.

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Detailed Description

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Sixty children with ADHD of both sexes and ages ranging between 8 and 16 years old were included in the study. Randomization of patients: Our patients in each subgroup were randomly allocated to intervention arms (real versus sham) by using serially numbered opaque closed envelopes. Each patient was placed in the appropriate group after opening the corresponding sealed envelope. The official sheet of the assiut university of Psychiatry was used for the assessment and interview. This includes demographic data, personal and family history, medical history, and mental state examination. All subjects were then assessed using the Full psychiatric interview (Kiddie Schedule for Affective Disorders and Schizophrenia for School-Age Children-Present and Lifetime Version (K-SADS-PL) to diagnose ADHD and to exclude other diagnoses according to DSM5 classification, which took place in the first interview with the participants before the start of the study. An informed written consent was offered for the parents of the patients participating in the study. All participants were on drugs (stimulants and non-stimulants), and all other medications were stopped 2 weeks before the beginning of the study. Atomoxetine was (from 0.5 to 1.2 mg/ kg/day )(24-25-26) . thirty participants were allocated to the rTMS group who received 15 sessions of rTMS over the right DLPC, in conjunction with Atomoxetine 1.2 mg/kg/day. The other 30 participants were allocated to the Sham control group who received 15 sessions of sham rTMS and atomoxetine 1.2 mg/kg/day. All participants underwent assessments of the severity of ADHD symptoms done at 3 points, before the beginning of treatment (pre), after receiving 15 sessions of rTMS/Sham rTMS (post), and on follow-up 1 month after treatment (FU) (27), using Arabic version Conners' Parent Rating Scale - Revised Long form ,Clinical Global Impression and the resting motor threshold (RMT). The scores pre, post, and follow-up were compared to evaluate the improvement of clinical symptoms, and the therapeutic effects among the 2 groups were also compared. rTMS was delivered through a figure of 8 coil (the outer diameter of each wing is 9 cm, the maximum field strength=1.9 tesla) attached to a Magstim (UK) super rapid magnetic stimulator, (28) which administered at 10 Hz directed to the right dorsolateral prefrontal cortex, located at the F4 location from the EEG 10-20 system. The pulse intensity was set at 80% of the observed motor threshold, 4 s on-train, 26 s off inter-train interval with 2000 pulses per session(29) for 5 sessions per week, for 15 sessions total (i.e., 30,000 pulses total in treatment course) in the active TMS condition. For the sham rTMS, the coil was tilted over the right dorsolateral pre-frontal cortex without touching the scalp. Participants who received less than 75% of the number of sessions (12 sessions) were considered dropouts.

Conditions

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ADHD

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Caregivers Investigators

Study Groups

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Real group

rTMS administered at 10 Hz directed to the right dorsolateral prefrontal cortex. The pulse intensity was set at 80% of the observed motor threshold, 4 s on-train, 26 s off inter-train interval with 2000 pulses per session(29) for 5 sessions per week, for 15 sessions total (i.e., 30,000 pulses total in treatment course).

Group Type ACTIVE_COMPARATOR

rTMS (repetitive transcranial magnetic stimulation)

Intervention Type DEVICE

non invasive repetitive transcranial magnetic stimulation rTMS was administered at 10 Hz directed to the right dorsolateral prefrontal cortex. The pulse intensity was set at 80% of the observed motor threshold, 4 s on-train, 26 s off inter-train interval with 2000 pulses per session for 5 sessions per week, for 15 sessions total (i.e., 30,000 pulses total in treatment course) in the active TMS condition. For the sham rTMS, the coil was tilted over the right dorsolateral pre-frontal cortex without touching the scalp.

Sham control group

the rTMS coil was tilted over the right dorsolateral pre-frontal cortex without touching the scalp administered at 10 Hz. The pulse intensity was set at 80% of the observed motor threshold, 4 s on-train, 26 s off inter-train interval with 2000 pulses per session for 5 sessions per week. for 15 sessions total.

Group Type SHAM_COMPARATOR

rTMS (repetitive transcranial magnetic stimulation)

Intervention Type DEVICE

non invasive repetitive transcranial magnetic stimulation rTMS was administered at 10 Hz directed to the right dorsolateral prefrontal cortex. The pulse intensity was set at 80% of the observed motor threshold, 4 s on-train, 26 s off inter-train interval with 2000 pulses per session for 5 sessions per week, for 15 sessions total (i.e., 30,000 pulses total in treatment course) in the active TMS condition. For the sham rTMS, the coil was tilted over the right dorsolateral pre-frontal cortex without touching the scalp.

Interventions

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rTMS (repetitive transcranial magnetic stimulation)

non invasive repetitive transcranial magnetic stimulation rTMS was administered at 10 Hz directed to the right dorsolateral prefrontal cortex. The pulse intensity was set at 80% of the observed motor threshold, 4 s on-train, 26 s off inter-train interval with 2000 pulses per session for 5 sessions per week, for 15 sessions total (i.e., 30,000 pulses total in treatment course) in the active TMS condition. For the sham rTMS, the coil was tilted over the right dorsolateral pre-frontal cortex without touching the scalp.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

.Clinical diagnosis of ADHD met the diagnostic criteria for ADHD in the (DSM-5) of the American Psychiatric association.

.Must be able to swallow tablets.

.both sexes will be included in the study.

.Age will be 6-18 years.

.IQ≥70.

Exclusion Criteria

* comorbid diagnosis of autism spectrum disorder, bipolar disorder, obsessive-compulsive disorder, conduct disorder, Tourette disorder or other tic disorders, schizophrenia, schizoaffective disorder, any other psychotic disorder or other.
* contraindications to magnetic stimulation such as any metallic object implanted in the skull (except for oral dental devices), an implanted medication pump or cochlear implant, implanted intra-cardiac lines or pacemaker.
* increase the risk of seizure with TMS such as a history of a seizure disorder, febrile seizures during childhood, known brain lesions, or a history of major head trauma involving loss of consciousness for more than 5 min were excluded from the study.
* major neurological deficits, disease, cerebral palsy other heart, liver, lung, kidney, or other serious somatic diseases.
* other medications or other treatment rather than treatment for ADHD. .Mood regulating medications within 14 days. .recent treatment with TMS.
* refuse to participate in the study or their caregiver refusing to give informed consent.

Minimum Eligible Age

6 Years

Maximum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes