Continuous Theta Burst Stimulation as an add-on Treatment for Bipolar

Status Recruiting

Clinical Trial Summary

This study aims to investigate the clinical efficacy of continuous theta burst stimulation (cTBS) on the right DLPFC as an add-on treatment in bipolar depression. The study consists of three phases.

Phase 1: Bipolar depressed patients will be selected by a certified psychiatrist, who will administer (semi-)structured clinical interviews (M.I.N.I.-Plus 5.0.0, HRSD-17). The presence of exclusion criteria will be evaluated. Eligible patients will undergo MRI brain imaging for TMS neuronavigation

Phase 2: Baseline clinical, cognitive and psychomotor assessments will take place. Patients will also undergo blood samples for laboratory and research assessments.

TBS involves applying triple-pulse 50 Hz bursts given at a rate of 5 Hz uninterrupted trains (1). Patients will be treated with in total 20 continuous Theta Burst Stimulation (cTBS) session (900 pulses per session) over the right dorsolateral prefrontal cortex, which will be spread over 4 days. A stimulation intensity of 100% of the subject's resting motor threshold (rMT) of the right abductor pollicis brevis muscle will used.

Patients will be randomized to receive either the real cTBS or sham treatment. Sham stimulation will be applied with a sham coil. The sham coil produces identical sounds but is not associated with a stimulus sensation compared to the coil delivering real stimulation cTBS. The investigators expect that real cTBS treatment and not sham will result in a significant and clinical meaningful response.

Phase 3: Two post-treatment assessment moments will take place respectively 3 (max. 4) days and 10 (max. 11) days after the last treatment day. The assessments are the same clinical, cognitive and psychomotor assessments as in phase 2.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03603561
Study type	Interventional
Source	Universiteit Antwerpen
Contact	Kaat Hebbrecht, Dr
Phone	15304048
Email	kaat.hebbrecht@emmaus.be
Status	Recruiting
Phase	N/A
Start date	August 1, 2018
Completion date	July 2020

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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.

Continuous Theta Burst Stimulation as an add-on Treatment for Bipolar Depression

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms