First study to compare ketamine therapies for patients with severe …

September 26, 2025

In a new study, investigators compared the effects of repeated intravenous (IV) ketamine and intranasal (IN) esketamine in patients with treatment-resistant depression and found both reduced depression severity, with IV ketamine showing relatively earlier and greater improvements.

https://news.harvard.edu/gazette/story/2025/09/first-study-to-compare-two-ketamine-therapies-for-patients-with-severe-depression/

First study to compare ketamine therapies for patients with severe … <body> <h1> Array ( [0] => dirst study to compare ketamine therapies for patients with severe … [1] => cirst study to compare ketamine therapies for patients with severe … [2] => virst study to compare ketamine therapies for patients with severe … [3] => girst study to compare ketamine therapies for patients with severe … [4] => tirst study to compare ketamine therapies for patients with severe … [5] => rirst study to compare ketamine therapies for patients with severe … [6] => furst study to compare ketamine therapies for patients with severe … [7] => fjrst study to compare ketamine therapies for patients with severe … [8] => fkrst study to compare ketamine therapies for patients with severe … [9] => forst study to compare ketamine therapies for patients with severe … [10] => f9rst study to compare ketamine therapies for patients with severe … [11] => f8rst study to compare ketamine therapies for patients with severe 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