Altitude
← Encyclopedia

Treatment-Resistant Depression

Clinical

Depression not responsive to treatment.

Example: This is the exact indication behind the highest-revenue branded psychiatric drugs on the market today — see our breakdown of who's actually making money on it.

What counts as treatment-resistant depression?

Generally, depression that hasn't adequately responded to at least two different antidepressant trials at an adequate dose and duration — though the exact clinical definition varies by study and regulator.

What psychedelic treatments are being studied for treatment-resistant depression?

Esketamine (Spravato) is already FDA-approved for it; psilocybin (COMP360) and 5-MeO-DMT (GH001) are both in active trials targeting the same indication.

Why is treatment-resistant depression such a major commercial target?

It's the exact indication behind the highest-revenue branded psychiatric drugs on the market today. See our breakdown of who's actually making money on it.