For many individuals, TMS brings long-term relief or even full remission. That’s why some describe it as a cure for their depression, especially after other treatments failed.

While technically not labeled a cure, TMS can dramatically reduce or eliminate symptoms for months or even years. It targets the brain activity that drives depression, without the daily burden of pills, sedation, or memory issues. For those who’ve tried multiple treatments without success, TMS can feel like a true reset, clearer thinking, lifted mood, and a real return to life.

How Effective Is TMS for Long-Term Depression Relief?

TMS is one of the best tools for people who haven’t gotten better with other treatments. Some people feel fully better after it. But for others, depression comes back over time.

The truth is, no treatment, meds, therapy, or brain stimulation is technically labeled a cure for depression. It’s more like high blood pressure or diabetes. You manage it over time to stay well.

What TMS does is this:

• Targets underactive areas of the brain involved in mood regulation.
• Stimulates neural activity without medication.
• Helps reduce or eliminate symptoms in people with treatment-resistant depression.

According to Harvard Health, about 50% to 60% of patients who didn’t improve with medication do respond to TMS, and about one-third reach full remission. (1)

That’s significant, especially for individuals who’ve tried multiple antidepressants with little relief. But remission doesn’t equal cure. It means symptoms are in check. Some patients may need maintenance sessions to stay well.

The Role of Maintenance and Preservation TMS

Depression has a well-documented relapse rate, even when treatment is successful. That extends to TMS treatment as well. Nearly half of TMS patients who reach remission experience a return of symptoms within six months (2).

That’s why ongoing support through follow-up care is worth considering.

Preservation TMS begins right after completing the initial course. These sessions are scheduled weekly, biweekly, or monthly to prevent symptoms from returning. It’s a proactive step, designed to reinforce progress before any decline begins.

Maintenance TMS is different. It’s used if symptoms start to come back after a period of stability. A short series of sessions can help restore the improvements made during the first round of treatment.

Here’s what else to know:

• Some stay well for years without needing additional treatment. Others benefit from staying on a regular preservation plan.

• Session frequency can be adjusted based on how you’re feeling and what’s happening in your life.

• If a relapse does occur, restarting TMS is often just as effective the second time.

TMS also works well alongside medication or talk therapy, helping strengthen long-term results and sometimes lowering the need for other treatments.

Importantly, TMS remains one of the safest options for treating depression. Side effects are usually mild and short-lived, such as scalp sensitivity or a brief headache. TMS doesn’t cause weight gain, sexual side effects, or brain fog.

With preservation or maintenance TMS, staying well doesn’t have to mean starting over.

TMS Success Rates: What the Research Shows

TMS has become one of the most evidence-backed options for treatment-resistant depression, especially in patients who haven’t improved with multiple antidepressants. A growing body of research supports both the effectiveness and safety of this method.

• Meta-Analysis by Gaynes et al.
  A comprehensive review by Gaynes and colleagues evaluated 18 studies comparing rTMS to sham treatments in patients with treatment-resistant depression, those who had failed at least two antidepressants. The findings were compelling: patients receiving rTMS were over three times more likely to respond and five times more likely to achieve remission than those receiving sham stimulation. Additionally, rTMS significantly reduced scores on the Hamilton Depression Rating Scale (HDRS), confirming a clinically meaningful impact on symptom severity (3).
• Deep TMS in Older Adults
  A large phase IV open-label study titled Never Too Late assessed Deep TMS in adults aged 60 to 91 with major depressive disorder. After 30 sessions, HDRS clinician-rated outcomes showed an 89% response rate and a 78% remission rate. Even after just 20 sessions, both response and remission rates reached 73%. The treatment was well tolerated, with no serious adverse events reported, supporting its use in older populations where brain atrophy may reduce the effectiveness of standard TMS coils (4).
• Real-World Results from the NeuroStar® Registry
  One of the largest outcome datasets for TMS comes from the NeuroStar® Advanced Therapy System Clinical Outcomes Registry, which tracked over 7,700 patients across 103 clinical sites. In the intent-to-treat (ITT) group of 5,010 adults with MDD, response rates ranged from 58% to 83%, and remission rates from 28% to 62%, based on both patient-reported and clinician-administered measures. These outcomes demonstrate that TMS not only works in controlled trials, it works in everyday clinical settings (5).

The fact that outcomes hold up both in research and in real-world practice makes TMS a serious contender. Its not just as a backup, but as a front-line treatment for major depression.

Talk to Us at the TMS Institute of Arizona

The TMS Institute of Arizona has helped hundreds of people move from feeling stuck to feeling steady, present, and more like themselves. We take time to understand what you’ve been through, and we don’t follow a script. From those barely getting through the day to those ready to rebuild, we’ve seen TMS help people reconnect with their lives in real, lasting ways.

If symptoms return, we act quickly, adjusting treatment based on what’s actually happening, not a fixed plan. Whether you continue with TMS, add therapy, or just need regular check-ins, we stay involved. You don’t have to keep feeling flat, lost, or frustrated. Contact us or visit our website. We’re here when you’re ready.

References

1. Stern, A. P. (2018, February 23). Transcranial magnetic stimulation (TMS): Hope for stubborn depression – Harvard Health. Harvard Health. https://www.health.harvard.edu/blog/transcranial-magnetic-stimulation-for-depression-2018022313335
2. Pridmore, S., Rybak, M., & Turnier-Shea, Y. (2024). TMS item number rules – what the evidence suggests. Australasian Psychiatry, 32(4), 396–396. https://doi.org/10.1177/10398562241244931
3. Gaynes, B. N., Lloyd, S. W., Lux, L., Gartlehner, G., Hansen, R. A., Brode, S., Jonas, D. E., Evans, T. S., Viswanathan, M., & Lohr, K. N. (2014). Repetitive Transcranial Magnetic Stimulation for Treatment-Resistant Depression. The Journal of Clinical Psychiatry, 75(05), 477–489. https://doi.org/10.4088/jcp.13r08815
4. Roth, Y., Faisal Munasifi, Harvey, S. A., Grammer, G., Hanlon, C. A., & Tendler, A. (2024). Never Too Late: Safety and Efficacy of Deep TMS for Late-Life Depression. Journal of Clinical Medicine, 13(3), 816–816. https://doi.org/10.3390/jcm13030816
5. Sackeim, H. A., Aaronson, S. T., Carpenter, L. L., Hutton, T. M., Mina, M., Pages, K., Verdoliva, S., & West, W. S. (2020). Clinical outcomes in a large registry of patients with major depressive disorder treated with Transcranial Magnetic Stimulation. Journal of Affective Disorders, 277, 65–74. https://doi.org/10.1016/j.jad.2020.08.005