Accelerated TMS vs. Traditional TMS: Is Five Days Really as Good as Six Weeks?
Traditional TMS takes 36 visits over 6–9 weeks. Accelerated TMS delivers an equivalent FDA-cleared course in 5 days. A board-certified psychiatrist in Bryn Mawr explains the difference.
If you've researched transcranial magnetic stimulation for depression, you've probably encountered two very different pictures of the same treatment. In one, TMS means driving to a clinic every weekday for six to nine weeks — thirty-six separate appointments wedged into an already full life. In the other, the entire course is finished in five days. Same technology, same FDA clearance, radically different experience. As a psychiatrist who chose to offer only the accelerated format at my practice in Bryn Mawr, I want to explain the difference honestly — including why the six-week version became the default, and why it's no longer the only option.
First, what TMS actually is
Transcranial magnetic stimulation is a non-invasive, non-medication treatment for depression, FDA-cleared since 2008. Focused magnetic pulses stimulate the brain circuits involved in mood regulation — no anesthesia, no sedation, no systemic side effects. You drive yourself home after every session. It's typically considered when medication and therapy haven't provided adequate relief, or when someone prefers to treat depression without medication at all.
Why traditional TMS takes six weeks
Here's the part few clinics say out loud: the standard 36-session, once-daily schedule reflects how the treatment was originally studied and, just as importantly, how insurance reimburses it. It was not handed down as the biologically optimal schedule. It's simply the version payers cover — one brief session per day, five days a week, week after week.
For a working professional, that structure is often the treatment's biggest side effect. Thirty-six commutes. Thirty-six disrupted workdays. Two months of explaining a daily midday absence. Many of the patients who most need TMS never start it for exactly this reason.
What changed: the Stanford research and accelerated protocols
Researchers at Stanford asked a straightforward question: if the total treatment dose stays the same, can it be delivered faster? Their accelerated protocol compressed a full course into five consecutive days — multiple brief theta-burst sessions per day, with rest intervals between — and their randomized trial in treatment-resistant depression drew worldwide attention for its remission results. The broader research on accelerated schedules has shown symptom reduction and remission comparable to standard schedules, with one meaningful difference: relief tends to arrive in days rather than after a month or more of daily visits.
In 2026, the FDA cleared accelerated schedules of up to ten sessions per day on the MagVenture device platform — the same platform used in Stanford's studies, and the one we use at our practice.
The comparison, side by side
A traditional course means roughly 36 office visits across six to nine weeks, with expected response typically emerging around weeks four to six. An accelerated intensive means one treatment week — five consecutive days — with the same total stimulation delivered and response often emerging during or shortly after that week. Count the hidden costs too: dozens of hours of commuting and waiting-room time simply disappear.
What accelerated TMS does not do is cut corners. The dose is equivalent; the schedule is what's different. And to be equally honest in the other direction: not every patient responds to TMS in any format, the intensive format's evidence base is newer than the six-week format's, and a portion of responders benefit from maintenance sessions over time. Any practice that promises otherwise is marketing, not medicine.
Why our practice offers only the accelerated format
We made a deliberate decision not to offer traditional six-week TMS. Because we operate independently of insurance, we aren't bound to the reimbursable version of the treatment — we can offer the protocol the current research supports. We treat one intensive patient per week in a private boutique setting, and every program is personally directed by me: I perform your evaluation, map your treatment, see you daily during your treatment week, and manage your follow-up with standardized outcome measurement throughout.
Is the 5-day intensive right for you?
The honest answer requires a thorough evaluation — screening for contraindications, reviewing your treatment history, and having a candid conversation about expected outcomes. If your depression has outlasted medication trials, or you've decided medication isn't the path you want, and a six-week daily commitment has kept you from acting, the intensive format may be the option you've been waiting for.
Dr. Raena Khorram is a board-certified psychiatrist and founder of Bryn Mawr Mental Health and Wellness, a boutique private practice on the Main Line offering the region's 5-day accelerated TMS intensive.
