pBFS Guided 20min Inter-session Interval rTMS Treatment for MDD

Status Not yet recruiting

Clinical Trial Summary

The investigators aim to explore the efficacy and safety of rTMS therapies with different intervals between sessions for treating patients with moderate to severe depression.

Clinical Trial Description

FDA-approved intermittent theta burst stimulation (iTBS) for the treatment of depression disorder, reduces the duration of a single sequence treatment from 37 minutes to 3 minutes with traditional rTMS and gets the same antidepressant effect. Studies have shown that large doses and individualized target stimulation based on iTBS can improve the efficacy of rTMS and greatly save the time spent during patient treatment, but the effect of the interval between iTBS sessions on the efficacy is inconclusive. Previous studies on interval effect in rats based on iTBS have indirectly found that the waiting time between iTBS sessions of 50 to 90 minutes can maximize the cumulative effect of stimulation, so researchers mostly set the iTBS treatment interval to 50 minutes. However, most patients give up treatment because of the long wait time of 50 minutes, so it is urgent to explore the effect of short intervals of iTBS accepted easier by patients. In this study, we examined the intersession interval of 50 min vs. 20 min in the efficacy and safety of pBFS-guided TMS treatment in patients with moderate to severe depression. After being informed about the study and potential risks. All patients giving written informed consent will undergo a screening period to determine eligibility for study entry. At week 0, patients who meet the eligibility requirements will be randomized in a double-blind manner in a 4:4:1:1 ratio to a 50-minute active rTMS group, a 20-minute active rTMS group, a 50-minute sham-control group, and a 20-minute sham-control group. And then all participants will undergo a 21-day rTMS treatment followed by two-week and four-week follow-up visits. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05957341
Study type	Interventional
Source	Changping Laboratory
Contact	Hesheng Liu, Ph.D.
Phone	010-80726688
Email	heshengliu@cpl.ac.cn
Status	Not yet recruiting
Phase	N/A
Start date	July 30, 2023
Completion date	August 30, 2024

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.