An emerging treatment for clinical depression has reached an important milestone. This week, the Food and Drug Administration approved Johnson & Johnson’s ketamine-based nasal spray, Spravato, as a standalone therapy for cases of depression that haven’t responded to other options.

The US FDA has approved the first of its kind ketamine-based nasal spray which is supposed to act as a standalone therapy for treatment-resistant depression.

Spravato is now the first stand-alone therapy for treatment-resistant depression, for patients who haven’t responded to oral antidepressants. On Tuesday, the Food and Drug Administration (FDA) approved Johnson & Johnson’s nasal spray,