What's Happening?
Flow Neuroscience has launched FL-100 in the United States, making it the first FDA-approved at-home transcranial direct current stimulation (tDCS) treatment for depression available by prescription. FL-100 is intended for adults aged 18 and older with
moderate to severe major depressive disorder in their current episode, either as a standalone treatment or as an adjunctive therapy, provided they are not considered treatment-refractory to medication. The treatment combines the FL-100 Headset, which applies a gentle electrical current to the left dorsolateral prefrontal cortex, with a companion app that guides treatment, tracks symptom changes, and allows data sharing with clinicians. The pivotal clinical trial for Flow demonstrated that 57% of patients achieved remission (MADRS ≤12) at 10 weeks with a protocol of 15 sessions over the first three weeks, followed by three sessions per week thereafter. This study was published in Nature Medicine. The U.S. launch follows several years of international use, with over 65,000 people globally having used Flow and more than 1,200 healthcare professionals prescribing it.
Why It's Important?
The introduction of FL-100 in the U.S. represents a significant advancement in mental healthcare, offering a novel, non-pharmacological, and accessible treatment option for depression. Depression remains a major public health challenge in the United States, with 19.7 million adults experiencing a major depressive episode in the previous year and an estimated economic burden of $382.4 billion in 2023. Existing treatments like antidepressants and psychotherapy do not meet everyone's needs, and FL-100 provides an additional evidence-based modality. By enabling at-home use, FL-100 removes many practical barriers associated with traditional brain stimulation therapies, such as the need for frequent clinic visits, thereby increasing access to care for eligible patients. This could lead to improved treatment adherence and outcomes, particularly for individuals who face geographical or logistical challenges in accessing in-person treatments. The FDA approval also provides a strong regulatory endorsement, instilling confidence in both clinicians and patients regarding its safety and efficacy.
What's Next?
Flow Neuroscience is actively training clinicians nationwide and establishing streamlined prescription pathways to facilitate the integration of FL-100 into routine clinical care. Patients can be evaluated for a prescription either in person or via telehealth, including through Flow Care, a telemedicine access pathway provided by independent licensed healthcare professionals. Flow Neuroscience will also continue to provide training and support to licensed healthcare professionals interested in prescribing FL-100. The company aims to expand the reach of this brain stimulation treatment, making it easier for clinicians to incorporate it into comprehensive treatment plans for their patients. Continued monitoring of real-world outcomes and patient adherence will be crucial to further establish the long-term impact and benefits of this at-home therapy.
Beyond the Headlines
The launch of FL-100 signifies a broader trend towards the decentralization of mental health treatments and the integration of technology into therapeutic interventions. The ability to deliver brain stimulation therapy at home, under clinical supervision, could revolutionize how mental health conditions are managed, particularly in underserved areas. This approach also raises important questions about patient autonomy, remote monitoring, and the ethical considerations of at-home medical devices. The success of FL-100 could pave the way for other home-based neurostimulation therapies for various neurological and psychiatric conditions, potentially transforming the landscape of mental healthcare. Furthermore, the economic impact of reducing the burden of depression through more accessible treatments could be substantial, leading to improved productivity and quality of life for millions of Americans.













