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Device for Treating Generalized Anxiety

2026년 9월 15일 업데이트: BTL Industries Ltd.

Evaluation of the Efficacy and Safety of an Accelerated Protocol for Treating Generalized Anxiety Disorder Using the BTL-699-2 Device

The goal of this clinical trial is to learn if treatment with the BTL-699-2 device (non-invasive repetitive transcranial magnetic stimulation) can decrease anxiety symptoms in adults (aged 22 years and older) diagnosed with Generalized Anxiety Disorder (GAD). The main questions it aims to answer are:

Does the accelerated treatment protocol using the BTL-699-2 device reduce self-reported anxiety symptoms (as measured by the GAD-7 scale) 3 months after the final treatment? What are the safety and side effects associated with the use of the BTL-699-2 device during this accelerated protocol? Researchers will compare the active treatment group (Group A, receiving stimulation intensity of up to 70% of the individual's motor threshold) to a sham control group (Group B, receiving an inactive stimulation intensity of 5% of their motor threshold) to see if the active brain stimulation works to treat Generalized Anxiety Disorder.

Participants will:

  • Attend a screening/baseline visit to confirm GAD diagnosis (using the MINI diagnostic interview), review medical history, and establish their individual motor threshold.
  • Complete 8 study treatment visits scheduled twice weekly (2 to 4 days apart) over approximately 4 weeks. Each visit will consist of two consecutive 19-minute treatment sessions delivered at least 15 minutes apart (for a total of 16 treatments).
  • Complete self-reported and clinician-reported questionnaires assessing anxiety (GAD-7, HAM-A), depressive symptoms (PHQ-9), well-being (WEMWBS), suicidal risk (CSSRS), clinical improvement (CGI-I, PGI-I), and treatment comfort/satisfaction (TCQ, SSQ) at designated baseline, treatment, and follow-up visits.
  • Undergo a urine pregnancy test at baseline and once weekly (every other treatment visit) if they are women of childbearing potential.
  • Attend 2 follow-up visits scheduled at 1 month and 3 months after the final treatment to evaluate long-term outcomes and safety

연구 개요

연구 유형

중재적

등록 (추정된)

40

단계

  • 해당 없음

연락처 및 위치

이 섹션에서는 연구를 수행하는 사람들의 연락처 정보와 이 연구가 수행되는 장소에 대한 정보를 제공합니다.

연구 장소

    • Colorado
      • Denver, Colorado, 미국, 80211
        • 모병
        • Aria Integrative Health
        • 연락하다:
    • Illinois
      • Chicago, Illinois, 미국, 60611
        • 모병
        • The Study by AC
        • 연락하다:
    • Indiana
      • Newburgh, Indiana, 미국, 47630
        • 모병
        • Cady Wellness Institute
        • 연락하다:

참여기준

연구원은 적격성 기준이라는 특정 설명에 맞는 사람을 찾습니다. 이러한 기준의 몇 가지 예는 개인의 일반적인 건강 상태 또는 이전 치료입니다.

자격 기준

공부할 수 있는 나이

  • 성인
  • 고령자

건강한 자원 봉사자를 받아들입니다

아니

설명

Inclusion Criteria:

  • Age ≥ 22 years
  • A diagnosis of GAD according to DSM-5 criteria, confirmed by a qualified clinician at screening
  • Ability to determine the motor threshold of the participant. The participant's motor threshold could be established as the minimum stimulus required to induce contraction of the right thumb
  • Subjects willing and able to abstain from partaking in any treatments other than the pre-procedure therapy regime for the treatment of anxiety, including non-invasive brain stimulation treatments other than the study procedure during study participation
  • Willingness to comply with study instructions and to return to the clinic for the required visits
  • Women of child-bearing potential* are required to use birth control measures during the whole duration of the study
  • If applicable, subjects must be maintained on their pre-study psychotherapeutic regimen and any prescribed chronic medications at a stable therapeutic dose for ≥4 weeks prior to enrollment, with no dose or usage frequency changes permitted during the study

    • Women of childbearing potential are defined as any female who has experienced menarche and who is NOT permanently sterile or postmenopausal. Postmenopausal is defined as 12 consecutive months with no menses without an alternative medical cause.

Exclusion Criteria:

  • Metallic objects in or near the head rTMS devices are contraindicated for use in patients who have conductive, ferromagnetic or other magnetic-sensitive metals implanted in their head or within 12 in (30 cm) of the treatment coil.*
  • Implanted stimulator devices
  • Active or inactive implants (including device leads), including deep brain stimulators, cochlear implants, ocular implants and vagus nerve stimulators. Contraindicated use could result in serious injury or death.
  • Drug pumps
  • Application in the heart area
  • Persons with a tendency to seizure (e.g., persons suffering from hypotonia and epilepsy)
  • Anticoagulation therapy
  • Severe or life-threatening condition
  • Pulmonary insufficiency
  • Heart disorders
  • Renal insufficiency
  • Decompensated** hemorrhagic conditions
  • Decompensated** blood coagulation disorders
  • Decompensated** cardiovascular diseases
  • Malignant tumor or benign tumor
  • Fever
  • Pregnancy
  • Active suicidal intent***
  • History of suicide attempts in the last 3 years
  • History or concurrent use of electroconvulsive therapy or vagus nerve stimulation
  • Substance-induced depression or depression secondary to a general medical condition
  • Seasonal affective disorder
  • Substance abuse
  • Substance dependence 3 months prior
  • A psychotic disorder including schizoaffective disorder, bipolar disease, borderline personality disorder or major depression with psychotic features
  • Neurological disorders, including a history of seizures, cerebrovascular disease, primary or secondary tumors in CNS, cerebral aneurysm, dementia, or movement disorders
  • Ongoing intake disorders such as bulimia or anorexia, or intake disorder in the past fiscal year
  • History of increased intracranial pressure or head trauma
  • Nursing
  • Any other disease or condition at the investigator's discretion that may pose risk to the patient or compromise the study

    • Examples include cochlear implants, implanted electrodes/stimulators, aneurysm clips or coils, stents, bullet fragments, jewelry and hair barrettes. Failure to follow this restriction could result in serious injury or death. Certain exceptions apply to mouth implants, such as standard amalgam dental fillings, single post dental implants, dental bridge work, and braces. If these items are present, the therapy can still be administered.

      • By means of decompensation, it means a patient with a proven medical history of a decompensated health condition and long-term medication. Patients who use certain medications only for preventive purposes, without any proven previous health condition failure, are not considered contraindicated.

        • Defined by a score of Level 4 or Level 5 on the Columbia-Suicide Severity Rating Scale (CSSRS).

공부 계획

이 섹션에서는 연구 설계 방법과 연구가 측정하는 내용을 포함하여 연구 계획에 대한 세부 정보를 제공합니다.

연구는 어떻게 설계됩니까?

디자인 세부사항

  • 주 목적: 치료
  • 할당: 무작위
  • 중재 모델: 병렬 할당
  • 마스킹: 하나의

무기와 개입

참가자 그룹 / 팔
개입 / 치료
실험적: Treatment with BTL-699-2
Participants will receive active treatment with BTL-699-2, at an intensity of 80% of motor threshold
Participants will receive sixteen transcranial magnetic stimulation treatment sessions during 8 treatment visits (each treatment visit will include two treatment sessions) with the BTL-699-2 device over the left dorsolateral prefrontal cortex. The intensity will be adjusted according to the subject's feedback, up to 80% of the individual's motor threshold. The treatment visits will be spaced 2 - 4 days apart.
가짜 비교기: Sham Treatment with BTL-699-2
Participants will receive sham treatment with BTL-699-2, at an intensity of 5% of motor threshold
Participants will receive sixteen transcranial magnetic stimulation treatment sessions during 8 treatment visits (each treatment visit will include two treatment sessions) with the BTL-699-2 device over the left dorsolateral prefrontal cortex. The intensity will be set to 5% of the individual's motor threshold. The treatment visits will be spaced 2 - 4 days apart.

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Evaluation of the change in self-reported anxiety symptoms 3 months post-treatment.
기간: Baseline and 3 months
Evaluation of the change in self-reported anxiety symptoms based on the Generalized Anxiety Disorder Assessment (GAD-7). The GAD-7 baseline score will be compared to the 3-month follow-up score. The 3-month score change will be compared between the active and sham groups. Subjects rate seven symptoms based on their frequency over the preceding two-week period. Each item is scored from 0 (not at all) to 3 (nearly every day), resulting in a total score range of 0 to 21, with higher scores indicating greater anxiety severity.
Baseline and 3 months

2차 결과 측정

결과 측정
측정값 설명
기간
Evaluation of the change in self-reported depressive symptoms.
기간: baseline and 3 monhts
The change in the score obtained from the self-reported Patient Health Questionnaire-9 (PHQ-9). The baseline score will be compared to the 3-month follow-up score. The total score from this 9-item questionnaire ranges from 0 to 27, with higher scores indicating greater depression severity. Improvement is considered a decrease in the obtained score.
baseline and 3 monhts
Evaluation of clinician's impression of improvement.
기간: baseline and 3 months
Change in the score obtained from the Clinical Global Impression - Improvements questionnaire (CGI-I). The CGI-I is a 7-point scale (1= very much improved, 7= very much worse), using which the clinician assesses how much the subject's condition has improved or worsened relative to the baseline state before the treatments. Lower scores indicate greater outcomes.
baseline and 3 months
Evaluation of the self-reported impression of improvement
기간: baseline and 3 months
Change in the score obtained from the Patient Global Impression - Improvement (PGI-I). PGI-I is a 7-point scale (1= very much better, 7= very much worse), used to assess the subject's perceived change of their condition relative to the baseline state before the treatments. Lower scores indicate greater outcomes.
baseline and 3 months
Evaluation of the change in mental well-being
기간: Baseline and 3 months
The change in the score obtained from the Warwick-Edinburgh Mental Well-being Scale (WEMWBS). The score ranges from 14 to 70, with higher scores indicating greater mental well-being and quality of life.
Baseline and 3 months
Evaluation of the safety of the treatment
기간: from baseline to 3-months follow-up
The occurrence of adverse events will be followed throughout the whole study and evaluated.
from baseline to 3-months follow-up
Evaluation of the change in clinician-reported anxiety symptoms.
기간: baseline and 3 months
Change in the score obtained from Hamilton Anxiety Rating Scale (HAM-A). It consists of 14 items, each defined by a series of symptoms, measuring both psychic anxiety and somatic anxiety. Each item is scored from 0 (not present) to 4 (very severe), with a total score of 0 to 56. Higher scores indicate greater anxiety severity.
baseline and 3 months
Evaluation of Subject Satisfaction
기간: last treatment and both follow-ups
Subject Satisfaction with treatment outcomes will be assessed using 5-point Likert Scale Subjects Satisfaction Questionnaire. The questionnaire will be administered after the last treatment, at the 1-month and 3-month follow-up visits. Responses to questions about satisfaction with the treatment outcomes will range from "strongly disagree" (1 point) to "strongly agree" (5 points). A higher score for each statement indicates better outcomes.
last treatment and both follow-ups
Evaluation of Therapy Comfort
기간: Last Treatment
Therapy Comfort questionnaire consists of two questions and will be used for evaluating the comfort and pain during the treatment sessions. The Therapy Comfort questionnaire will be administered after the last treatment. The first question "I found the treatment comfortable", to which responses are based on a 5-point Likert scale (1 = "strongly disagree", and 5 = "strongly agree"). A higher score for the statement "I found the treatment comfortable" indicates higher therapy comfort. The second question includes a 10-point Numeric Analog Scale for pain (0 = no pain, 10 = worst possible pain). Lower scores on the Numeric Analog Scale indicate lower levels of pain.
Last Treatment

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

연구 기록 날짜

이 날짜는 ClinicalTrials.gov에 대한 연구 기록 및 요약 결과 제출의 진행 상황을 추적합니다. 연구 기록 및 보고된 결과는 공개 웹사이트에 게시되기 전에 특정 품질 관리 기준을 충족하는지 확인하기 위해 국립 의학 도서관(NLM)에서 검토합니다.

연구 주요 날짜

연구 시작 (추정된)

2026년 9월 9일

기본 완료 (추정된)

2027년 4월 9일

연구 완료 (추정된)

2027년 4월 9일

연구 등록 날짜

최초 제출

2026년 9월 9일

QC 기준을 충족하는 최초 제출

2026년 9월 9일

처음 게시됨 (실제)

2026년 9월 15일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2026년 9월 18일

QC 기준을 충족하는 마지막 업데이트 제출

2026년 9월 15일

마지막으로 확인됨

2026년 9월 1일

추가 정보

이 연구와 관련된 용어

추가 관련 MeSH 약관

기타 연구 ID 번호

  • BTL-699_CTUS600

개별 참가자 데이터(IPD) 계획

개별 참가자 데이터(IPD)를 공유할 계획입니까?

아니요

약물 및 장치 정보, 연구 문서

미국 FDA 규제 의약품 연구

아니

미국 FDA 규제 기기 제품 연구

예

미국에서 제조되어 미국에서 수출되는 제품

예

이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .

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