- ICH GCP
- USA klinikai vizsgálatok nyilvántartása
- Klinikai vizsgálat 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
A tanulmány áttekintése
Állapot
Körülmények
Részletes leírás
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.
Tanulmány típusa
Beiratkozás (Becsült)
Fázis
- Nem alkalmazható
Kapcsolatok és helyek
Tanulmányi kapcsolat
- Név: Hongxing Wang, MD & PhD
- Telefonszám: +86 13911127385
- E-mail: wanghongxing@xwh.ccmu.edu.cn
Tanulmányi helyek
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Beijing Municipality
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Beijing, Beijing Municipality, Kína
- Xuanwu Hospital, Capital Medical University
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Részvételi kritériumok
Jogosultsági kritériumok
Tanulmányozható életkorok
- Felnőtt
- Idősebb felnőtt
Egészséges önkénteseket fogad
Leírás
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.
Tanulási terv
Hogyan készül a tanulmány?
Tervezési részletek
- Elsődleges cél: Kezelés
- Kiosztás: Véletlenszerűsített
- Beavatkozó modell: Párhuzamos hozzárendelés
- Maszkolás: Kettős
Fegyverek és beavatkozások
Résztvevő csoport / kar |
Beavatkozás / kezelés |
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Kísérleti: 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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Sham Comparator: 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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Mit mér a tanulmány?
Elsődleges eredményintézkedések
Eredménymérő |
Intézkedés leírása |
Időkeret |
|---|---|---|
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Difference in systolic blood pressure at end of treatment
Időkeret: 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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Másodlagos eredményintézkedések
Eredménymérő |
Intézkedés leírása |
Időkeret |
|---|---|---|
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Difference in systolic blood pressure at week 12
Időkeret: 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
Időkeret: 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
Időkeret: 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
Időkeret: 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
Időkeret: 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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Együttműködők és nyomozók
Szponzor
Publikációk és hasznos linkek
Általános kiadványok
- 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.
Tanulmányi rekorddátumok
Tanulmány főbb dátumok
Tanulmány kezdete (Becsült)
Elsődleges befejezés (Becsült)
A tanulmány befejezése (Becsült)
Tanulmányi regisztráció dátumai
Először benyújtva
Először nyújtották be, amely megfelel a minőségbiztosítási kritériumoknak
Első közzététel (Tényleges)
Tanulmányi rekordok frissítései
Utolsó frissítés közzétéve (Tényleges)
Az utolsó frissítés elküldve, amely megfelel a minőségbiztosítási kritériumoknak
Utolsó ellenőrzés
Több információ
A tanulmányhoz kapcsolódó kifejezések
Kulcsszavak
További vonatkozó MeSH feltételek
Egyéb vizsgálati azonosító számok
- Hi-tACS for HBP
- HZ2025PYLJ003 (Egyéb támogatási/finanszírozási szám: Xuanwu Hospital, Capital Medical University)
Terv az egyéni résztvevői adatokhoz (IPD)
Tervezi megosztani az egyéni résztvevői adatokat (IPD)?
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