FDA OKs 1st At-Home Stimulator for Depression

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FDA has approved the first at-home, prescription-only brain-stimulation device to treat major depressive disorder. Flow Neuroscience says its FL-100 system, a transcranial direct current stimulation (tDCS) device, is designed for adults with moderate to severe depression. It is intended as a stand-alone intervention or as an adjunct to existing treatments such as medication or psychotherapy.

tDCS delivers low-intensity electrical currents to the prefrontal cortex, a brain region involved in mood regulation and stress response, the company says. Flow’s headset pairs with a mobile app and applies stimulation in structured sessions under clinician oversight.

Clinical trial data were recently published in Nature Medicine, demonstrating symptom improvement beginning as early as three weeks. According to the company, the trial—described as the largest fully remote neuromodulation study for depression—showed:

  • Active tDCS significantly outperformed sham stimulation.
  • Two- to three-fold higher remission and response rates compared with placebo.
  • 58% of participants in remission after 10 weeks of treatment.

Flow also reported strong real-world outcomes from more than 55,000 users in Europe, with 77% seeing symptom improvement within three weeks. Adverse events observed with FL-100 are typically mild and temporary, including skin redness, irritation, dryness, or a transient headache. Stinging or itching under the electrodes is common, it says, adding that skin burns may occur if electrode pads are reused or applied when dry.

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