Bilateral Lateral OFC rTMS in Obsessive Compulsive Disorder

Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18-65
SponsorCentre Hospitalier Henri Laborit

About this trial

According to the literature the lateral part of the Orbito Frontal Cortex (lOFC) is a relevant bilateral target for repetitive Trans-cranial Magnetic Stimulation (rTMS) in Obsessive Compulsive Disorder (OCD). Both hemispheres are concerned in terms of target.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Age: Participants will be both males and females, 18-65 years of age included.

diagnosis of OCD

all the patients must have failed to respond to at least two different pharmacological treatment used for at least 6 weeks

Affiliation to a social security system (recipient or assignee),

Disqualifiers

The exclusion criteria are a diagnosis of another psychiatric disorder (except for anxious disorders), a diagnosis of a significant active medical illness, pregnancy or other neurological illness

In accordance with the safety criteria for rTMS, patients with a history of seizure or bearing pacemakers, mobile metal implants, implanted medical pumps, or metal clips placed inside the skull will also be excluded

The patients won't be allowed to change their medication during the trial. The treatment must be stable at least 3 week before day 0.

Female subject who is pregnant, or of child-bearing age, sexually active and not using reliable contraception or who is nursing,

Trial design

Design model

Parallel

Treatments tested in this trial

  • rTMS Treatment

    Device

    1 Hz rTMS

Treatment groups

136 Participants
are divided into 2 treatment groups
Group A: Active stimulationExperimental treatment 1 intervention
Group B: Sham StimulationSham comparator 1 intervention

Trial outcomes

Primary outcomes

1

Yale Brown Obsessive Compulsive Scale score

Significant clinical change (≥ 25%) from baseline to two weeks after the treatment sequence, assessed by a significant reduction in YBOCS scores at day 25

Time frame
baseline and 25 days

Secondary outcomes

1

Yale Brown Obsessive Compulsive Scale

Significant clinical change of the YBOCS score (≥25% decrease), from baseline to day 70

Time frame
baseline and 70 days
2

general assessement functioning (GAF)

Change of the general assessement functioning (GAF) at day 25

Time frame
baseline and 25 days
3

general assessement functioning (GAF)

Change of the general assessement functioning (GAF) at day 70

Time frame
baseline and 70 days
4

Clinical Global Impression (CGI)

Clinical Global Impressions (CGI) change at day 25

Time frame
baseline and 25 days

Other outcomes

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