TMS for OCD: FDA-Cleared and Available in Pocatello

By Kyle Roth, FNP-BC, APRN, MSN, MHA | Roth Family Medicine and Mental Health | Pocatello, Idaho

Obsessive-compulsive disorder (OCD) is one of the most debilitating mental health conditions — and one of the most undertreated. Despite affecting approximately 2–3% of the population, OCD is frequently misdiagnosed, inadequately treated, and poorly understood by both patients and providers.

The standard treatments for OCD — SSRIs at high doses and exposure and response prevention (ERP) therapy — are effective for many patients. But a substantial minority, estimated at 40–60%, do not achieve adequate symptom control with these approaches. For these patients, options have historically been limited.

That changed in 2018, when the FDA cleared deep transcranial magnetic stimulation (dTMS) for the treatment of OCD. This was a significant milestone — the first new FDA-cleared treatment for OCD in over a decade. Yet awareness of this option remains remarkably low, even among mental health professionals.

At Roth Family Medicine and Mental Health in Pocatello, we offer TMS for OCD as part of our comprehensive approach to treatment-resistant mental health conditions. This article explains what TMS for OCD is, what the evidence shows, and who might benefit.

OCD is characterized by two core features:

Obsessions: Intrusive, unwanted thoughts, images, or urges that cause significant anxiety or distress. Common obsessions include fears of contamination, fears of harming oneself or others, fears of making mistakes, and intrusive sexual or religious thoughts.

Compulsions: Repetitive behaviors or mental acts performed in response to obsessions, aimed at reducing anxiety or preventing a feared outcome. Common compulsions include washing, checking, counting, arranging, and mental rituals.

The defining feature of OCD is that the obsessions and compulsions are time-consuming (more than 1 hour per day), cause significant distress, and interfere with functioning. OCD is not about being "neat" or "organized" — it is a serious neurological condition that can be profoundly disabling.

OCD is fundamentally a disorder of cortico-striato-thalamo-cortical (CSTC) circuits — the neural loops that connect the prefrontal cortex, striatum, and thalamus. In OCD, these circuits become hyperactive and dysregulated, creating a "stuck" pattern of intrusive thoughts and compulsive responses.

Neuroimaging studies consistently show:

• Hyperactivity in the orbitofrontal cortex (OFC) — the region involved in detecting errors and threats
• Hyperactivity in the caudate nucleus — part of the striatum involved in habit formation
• Dysregulation of the anterior cingulate cortex (ACC) — involved in conflict monitoring and error detection

This circuit hyperactivity is why OCD feels like a "broken record" — the brain's error-detection system is stuck in the "on" position, generating repeated false alarms that the patient cannot simply reason their way out of.

The FDA-cleared TMS protocol for OCD uses deep TMS (dTMS) with the H7 coil, which is specifically designed to reach the medial prefrontal cortex and anterior cingulate cortex — key nodes in the OCD circuit.

The protocol involves a unique feature called symptom provocation: before each TMS session, patients are briefly exposed to their OCD triggers (e.g., a contamination-related image or object) to activate the OCD circuit. The TMS is then delivered while the circuit is active, allowing the magnetic pulses to modulate the hyperactive neural activity more effectively.

This provocation-then-stimulation approach is what distinguishes the OCD TMS protocol from the depression protocol. It's based on the principle that stimulating an active circuit produces more robust and lasting changes than stimulating a quiescent one.

The standard OCD TMS protocol consists of:

• 29 sessions over approximately 6 weeks
• Daily sessions (Monday through Friday)
• Each session lasting approximately 20 minutes
• Symptom provocation for 30 seconds before stimulation

The FDA clearance for dTMS in OCD was based on a pivotal multicenter randomized controlled trial published in the American Journal of Psychiatry in 2019.

Key findings from this trial:

• 38% of patients in the active TMS group achieved a clinically meaningful response (≥30% reduction in Y-BOCS scores), compared to 11% in the sham group
• The response rate was 3.5 times higher in the active group
• Responders showed significant improvements in both obsessions and compulsions
• The treatment was well-tolerated, with no serious adverse events

Subsequent real-world studies have shown response rates ranging from 35–55% in patients with treatment-resistant OCD — patients who had already failed multiple medication trials and often ERP therapy as well.

A 2021 meta-analysis of TMS for OCD found a significant overall effect size (Hedges' g = 0.52) for TMS compared to sham, with the deepTMS H7 coil showing the strongest evidence.

TMS for OCD is typically considered for patients who:

• Have a confirmed diagnosis of OCD
• Have tried at least one SSRI at an adequate dose and duration without sufficient response
• Have ideally tried ERP therapy (or are willing to engage in it concurrently)
• Do not have contraindications to TMS (see below)

Patients with more severe OCD, longer duration of illness, and prior treatment resistance tend to have lower response rates — but many still benefit meaningfully. Even a 30–40% reduction in OCD symptoms can represent a dramatic improvement in quality of life for someone with severe OCD.

Contraindications to TMS include:

• Metal implants in or near the head (cochlear implants, deep brain stimulators, aneurysm clips)
• History of seizures or epilepsy
• Active brain tumor
• Pregnancy (relative contraindication)

Patients who are familiar with TMS for depression should be aware of several important differences in the OCD protocol:

The symptom provocation component is the most significant difference. Patients should be prepared for brief but intentional exposure to their OCD triggers before each session. This is done in a controlled, supportive environment and is an essential part of the protocol's effectiveness.

The evidence strongly supports combining TMS with exposure and response prevention (ERP) therapy for OCD. ERP is the gold-standard psychotherapy for OCD — it involves gradual, systematic exposure to feared stimuli while refraining from compulsive responses.

TMS may enhance ERP in several ways:

• By reducing the intensity of obsessive thoughts, making exposure exercises more tolerable
• By increasing neuroplasticity, making it easier to form new, non-compulsive response patterns
• By reducing the anxiety that drives avoidance of ERP

At Roth Family Medicine, we coordinate with ERP-trained therapists in the Pocatello area to provide integrated care for our OCD patients.

Initial consultation: We begin with a comprehensive evaluation to confirm the OCD diagnosis, review prior treatment history, assess for contraindications, and discuss realistic expectations.

Symptom provocation: Before each session, a member of our clinical team will briefly expose you to your OCD triggers — this might involve looking at a contamination-related image, handling an object that triggers checking urges, or engaging with a thought that provokes intrusive obsessions. This is done gently and collaboratively.

The TMS session: You'll sit comfortably in a chair while the H7 coil is positioned over your head. You'll feel a tapping or knocking sensation on your scalp. Sessions last approximately 20 minutes.

Side effects: The most common side effect is mild scalp discomfort or headache during or after sessions, which typically diminishes over the first week. There is no sedation, no systemic side effects, and no cognitive impairment.

Response timeline: Some patients notice improvement within the first 2 weeks. Others don't see significant changes until weeks 4–6. The full benefit often continues to develop for several weeks after the course is complete.

Insurance coverage for TMS for OCD is improving but remains inconsistent. Many major insurers now cover TMS for OCD when medical necessity criteria are met — typically requiring documentation of:

• Confirmed OCD diagnosis
• Adequate trials of at least one SSRI
• Prior ERP therapy (or documented inability to access it)

Our team will verify your insurance benefits before beginning treatment and work with you to navigate the prior authorization process.

One of the most important things I want patients with OCD to know is this: OCD is one of the most treatable mental health conditions we have. With the right combination of medication, therapy, and — when needed — neuromodulation like TMS, the majority of patients can achieve significant symptom reduction and meaningful improvement in quality of life.

If you've been struggling with OCD and haven't found adequate relief with medications and therapy alone, TMS may be the next step worth exploring.

Roth Family Medicine and Mental Health offers TMS for OCD in Pocatello, Idaho. We serve patients throughout Southeast Idaho, including Chubbuck, Blackfoot, American Falls, Twin Falls, and the surrounding region.

Book online: ZocDoc Call us: 208-904-4705 Location: 444 Hospital Way, Suite 422, Pocatello, Idaho 83201

Kyle Roth, FNP-BC, APRN, MSN, MHA is a board-certified family nurse practitioner specializing in TMS therapy, treatment-resistant depression, OCD, and integrative mental health care at Roth Family Medicine and Mental Health in Pocatello, Idaho.