- ICH GCP
- Registr klinických studií v USA
- Klinická studie NCT07566650
High-Intensity Transcranial Alternating Current Stimulation (Hi-tACS) for Hypertension: A Randomized Controlled Trial
A Randomized Controlled Trial of High-Intensity Transcranial Alternating Current Stimulation (Hi-tACS) for the Treatment of Essential Hypertension
Přehled studie
Postavení
Podmínky
Detailní popis
Hypertension is a highly prevalent cardiovascular disease and a major risk factor for stroke, heart failure, and kidney disease. Many patients continue to have poorly controlled blood pressure despite standard medication, which may be due to excessive activity of the central sympathetic nervous system and poor long-term compliance. Conventional antihypertensive drugs mainly act on peripheral targets and lack regulation of the brain-heart axis, leaving a large clinical need for safe, non-pharmacological adjuvant treatments.
High-intensity transcranial alternating current stimulation (Hi-tACS) is a non-invasive neuromodulation technique that can modulate central autonomic networks and normalize sympathetic-parasympathetic balance. Recent studies and our preliminary data suggest that 77.5 Hz, 15 mA Hi-tACS may safely reduce blood pressure in individuals with elevated baseline levels. Therefore, we hypothesize that Hi-tACS can lower blood pressure in patients with primary hypertension by regulating brain autonomic function and reducing sympathetic overactivity.
This study aims to evaluate the efficacy and safety of Hi-tACS in adults with primary hypertension, explore its underlying neural and physiological mechanisms, and provide high-quality evidence for a new non-pharmacological approach to hypertension management.
Typ studie
Zápis (Odhadovaný)
Fáze
- Nelze použít
Kontakty a umístění
Studijní kontakt
- Jméno: Hongxing Wang, MD & PhD
- Telefonní číslo: +86 13911127385
- E-mail: wanghongxing@xwh.ccmu.edu.cn
Studijní místa
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Beijing Municipality
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Beijing, Beijing Municipality, Čína
- Xuanwu Hospital, Capital Medical University
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Kritéria účasti
Kritéria způsobilosti
Věk způsobilý ke studiu
- Dospělý
- Starší dospělý
Přijímá zdravé dobrovolníky
Popis
Inclusion Criteria:
- Clinical diagnosis of primary hypertension (Grade 1-3) as defined by the Chinese Hypertension Guidelines (Revised Edition 2024).
- For females of childbearing potential, agreement to use contraception during the study.
- Willing and able to comply with study procedures and provide written informed consent.
Exclusion Criteria:
- Women who are pregnant, breastfeeding, or planning pregnancy during the study period.
- Resistant hypertension (blood pressure uncontrolled despite adherence to ≥3 antihypertensive drugs of different classes at optimal doses, including a diuretic ), or known secondary hypertension.
- History of severe cardiovascular or cerebrovascular disease (e.g., myocardial infarction, stroke, heart failure NYHA Class III-IV) within the past 6 months, or severe hepatic or renal dysfunction (defined as ALT/AST >3× upper limit of normal [ULN], or eGFR <30 mL/min/1.73 m²).
- Uncontrolled sleep apnea syndrome, active infectious diseases, chronic wasting diseases, or significant cognitive impairment.
- Current major psychiatric disorder as assessed by the Mini-International Neuropsychiatric Interview (M.I.N.I.).
- Contraindications to tACS or MRI: implanted electronic devices, intracranial metal implants, or known history of seizures.
- Skin lesions, eczema, or broken skin at the intended electrode placement sites.
- Participation in another clinical trial involving an investigational product or device within 30 days prior to screening.
- Any condition that, in the opinion of the investigator, would jeopardize the patient's safety or compliance with the study protocol, or interfere with data interpretation.
Studijní plán
Jak je studie koncipována?
Detaily designu
- Primární účel: Léčba
- Přidělení: Randomizované
- Intervenční model: Paralelní přiřazení
- Maskování: Dvojnásobek
Zbraně a zásahy
Skupina účastníků / Arm |
Intervence / Léčba |
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Experimentální: Active High-Intensity Transcranial Alternating Current Stimulation (Hi-tACS)
Participants receive high-intensity transcranial alternating current stimulation (Hi-tACS) at 77.5 Hz, 15 mA for 40 minutes per session, one session per day, 5 days per week, for 4 weeks (total 20 sessions).
Electrodes are placed on the forehead (Fpz, Fp1, Fp2 regions) and bilateral mastoid regions.
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Active Hi-tACS delivered using a transcranial alternating current stimulation device.
Parameters: 77.5 Hz sinusoidal alternating current, 15 mA (peak-to-peak), 40 minutes per session.
Electrode montage: one 8 cm × 4 cm electrode placed horizontally on the forehead (covering Fpz, Fp1, Fp2 regions) and two 6 cm × 2.9 cm electrodes placed on bilateral mastoid regions.
Conductive gel ensures impedance <10 kΩ.
One session/day, 5 days/week for 4 weeks (total 20 sessions).
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Falešný srovnávač: Sham High-Intensity Transcranial Alternating Current Stimulation (Hi-tACS)
Participants receive sham stimulation with the same electrode placement.
Active stimulation is delivered only for the first 30 seconds, then ramped down to 0 mA over 10 seconds, with intermittent imperceptible skin-sensation signals for the remaining 40-minute session to mimic real stimulation.
Same session schedule (20 sessions over 4 weeks).
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Sham stimulation using the same device and electrode placement as the active arm.
Active stimulation is applied only for the first 30 seconds, then ramped down to 0 mA over 10 seconds.
For the remaining session duration, intermittent low-intensity signals producing imperceptible skin sensation are delivered to maintain blinding.
Same schedule: 40 minutes/session, one session/day, 5 days/week for 4 weeks (total 20 sessions).
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Co je měření studie?
Primární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
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Difference in systolic blood pressure at end of treatment
Časové okno: From baseline to week 4 (end of treatment)
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Comparison of the change from baseline in systolic blood pressure between the two treatment groups at the end of treatment (week 4)
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From baseline to week 4 (end of treatment)
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Sekundární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
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Difference in systolic blood pressure at week 12
Časové okno: From baseline to week 12
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Comparison of the change from baseline in diastolic blood pressure between the two groups at week 12
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From baseline to week 12
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Difference in diastolic blood pressure at the end of treatment
Časové okno: From baseline to week 4 (end of treatment)
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Comparison of the change from baseline in diastolic blood pressure (DBP) between the two groups at the end of treatment (week 4)
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From baseline to week 4 (end of treatment)
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Difference in 24-hour ambulatory blood pressure parameter at the end of treatment: Mean 24-hour systolic blood pressure
Časové okno: From baseline to week 4 (end of treatment)
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Comparison of the change from baseline in mean 24-hour systolic blood pressure between the two treatment groups at the end of treatment (week 4)
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From baseline to week 4 (end of treatment)
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Difference in rate of achieving target blood pressure at the end of treatment
Časové okno: From baseline to week 4 (end of treatment)
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Comparison of the proportion of patients achieving target blood pressure (defined as SBP/DBP <140/90 mmHg, or <130/80 mmHg for those with diabetes or chronic kidney disease) between the two groups at end of treatment (week 4)
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From baseline to week 4 (end of treatment)
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Difference in proportion of achieving target blood pressure at week 12
Časové okno: From baseline to week 12
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Comparison of the proportion of patients achieving target blood pressure (defined as SBP/DBP <140/90 mmHg, or <130/80 mmHg for those with diabetes or chronic kidney disease) between the two groups at week 12
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From baseline to week 12
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Spolupracovníci a vyšetřovatelé
Sponzor
Publikace a užitečné odkazy
Obecné publikace
- Wang HX, Wang L, Zhang WR, Xue Q, Peng M, Sun ZC, Li LP, Wang K, Yang XT, Jia Y, Zhou QL, Xu ZX, Li N, Dong K, Zhang Q, Song HQ, Zhan SQ, Min BQ, Fan CQ, Zhou AH, Guo XH, Li HB, Liang LR, Yin L, Si TM, Huang J, Yan TY, Cosci F, Kamiya A, Lu J, Wang YP. Effect of Transcranial Alternating Current Stimulation for the Treatment of Chronic Insomnia: A Randomized, Double-Blind, Parallel-Group, Placebo-Controlled Clinical Trial. Psychother Psychosom. 2020;89(1):38-47. doi: 10.1159/000504609. Epub 2019 Dec 17.
- Liu X, Wang K, Si T, Zhang X, Cosci F, Gao K, Wang H. The role of 15 mA and 77.5 Hz transcranial alternating current stimulation in blood pressure regulation: A post hoc analysis of a randomized controlled trial. J Affect Disord. 2025 Apr 1;374:91-98. doi: 10.1016/j.jad.2025.01.017. Epub 2025 Jan 9.
Termíny studijních záznamů
Hlavní termíny studia
Začátek studia (Odhadovaný)
Primární dokončení (Odhadovaný)
Dokončení studie (Odhadovaný)
Termíny zápisu do studia
První předloženo
První předloženo, které splnilo kritéria kontroly kvality
První zveřejněno (Aktuální)
Aktualizace studijních záznamů
Poslední zveřejněná aktualizace (Aktuální)
Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality
Naposledy ověřeno
Více informací
Termíny související s touto studií
Klíčová slova
Další relevantní podmínky MeSH
Další identifikační čísla studie
- Hi-tACS for HBP
- HZ2025PYLJ003 (Jiné číslo grantu/financování: Xuanwu Hospital, Capital Medical University)
Plán pro data jednotlivých účastníků (IPD)
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Informace o lécích a zařízeních, studijní dokumenty
Studuje lékový produkt regulovaný americkým FDA
Studuje produkt zařízení regulovaný americkým úřadem FDA
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