Bilateral Lateral OFC rTMS in Obsessive Compulsive Disorder

Inclusion Criteria: * 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), * Signed written inform consent form Exclusion Criteria: * 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, * Patient under curators * Patient hospitalized under duress * Patient unable to give his or hers informed consent