New Depression Medications in the Works
- Shannon Coulson
- Oct 8, 2025
- 1 min read
🧪 Drugs / Treatments in Development / Emerging
Hydroxynorketamine (HNK)
Being studied as a metabolite of ketamine with the hope that it may have rapid antidepressant effects without some of the dissociative side effects of ketamine. National Institute of Mental Health+1
NRX-101 / NRX-100 (by NRx Pharmaceuticals)
These are being developed for severe cases, including suicidal depression and bipolar depression. One is an IV ketamine formulation (NRX-100), the other is a combination (D-cycloserine + lurasidone) aimed at bipolar depression and suicidal ideation




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