Treating Depression in Adults with TMS - The Evidence

Can depression be treated with transcranial magnetic stimulation?

TMS treatment for depression not only improves patients’ symptoms but the majority recover completely.

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What is the Recommended Treatment for Depression?

NHS Choices states that if you have depression that is not improving your GP should in the first instance recommend a talking therapy. There are different types of talking therapy for depression, such as cognitive behavioural therapy (CBT) provided by self-referral psychological therapy services such as IAPT. If you have moderate to severe depression, antidepressant medication may be recommended. There are almost 30 different types of antidepressants, which can be prescribed by a doctor. Your GP should recommend that you take a course of antidepressants plus talking therapy, particularly if your depression is quite severe. A combination of an antidepressant and CBT usually works better than having just one of these treatments. If you have severe depression, you should be referred to a multidisciplinary mental health team. These teams should provide intensive specialist talking treatments as well as prescribed medication.

Research indicates that with intensive psychological treatment and several courses of different medication there is a 60-70% chance of being cured of the depression. However, this unfortunately means that 30%-40% of people may end up with chronic depression that is resistant to conventional treatment.

 

How Does Transcranial Magnetic Stimulation (TMS) Work?

TMS is a strong pulsing magnetic field that stimulates brain cells. The passage of an electric current in the coil induces a transient, high-intensity magnetic pulse that penetrates the scalp and painlessly reaches the neurons of the targeted cortical area. High frequency TMS increases activity in the brain cells of the frontal cortex of the brain. It causes increased connectivity between brain cells and the release of chemical messengers.

The treatment of depression requires between 15 and 30 sessions administered over several weeks.

 

What are the Recommendations for TMS?

The FDA approved TMS for the treatment of depression in the USA in 2008 following extensive research with multiple randomised controlled studies. NICE approved TMS for depression in the UK in 2015 and noted a “consistently positive outcomes in many studies and a good safety profile… commentary from patients was positive and they described significant benefits to their quality of life including the advantages for some patients of being able to stop oral antidepressant medications”.

In 2017, the Royal College of Psychiatrists stated that the “Efficacy for rTMS treatment for major depression has been well established over the recent years…. over the past decade rTMS has been widely used for the treatment of depression and is now an established safe and effective treatment option for depression and treatment resistant depression.”

 

How Effective is TMS for the Treatment of Depression?

An analysis was conducted on a case series of 428 patients treated at Smart TMS for Unipolar Depression. These individuals had previously shown resistance to both psychological intervention and/or antidepressant medication. Out of the 428 patients, 222 met the selection criteria, with 55% achieving remission. Moreover, 74% experience a notable 20% or more reduction in their depression symptoms. Additionally, 27% achieved complete elimination of all depression symptoms. These results are generally better than those reported in the scientific literature. In 2012, Carpenter reviewed 307 patients treated at 42 TMS clinics in the USA and found that the remission rate for patients with depression was 40%.

 

Conclusion and Recommendations:

It is strongly recommended that patients who have already tried all the conventional treatment for depression or do not like the idea of taking medication should seriously consider rTMS.

 

Dr Leigh A Neal MB BCh FRCPsych MRCGP MD
Consultant in Psychiatry and Neuromodulation
Medical Director: Smart TMS

What our Patients Say

I’m still not taking any medication – This is the longest I have been off of anti-depressants in almost 10 years and I am loving not having to cope with the side effects.

Jaime-Lee

For the first time in 24 years, I now feel significantly better; I’ve even started playing guitar and spending time outdoors again. My brain feels alive and the sadness I’ve felt for so long has been replaced by a smile

Gary

At the time I received treatment I was my lowest. TMS was a life changer for me. I am certain it saved my life.

George