Speedairang was approved by the State Food and Drug Administration of China under the trade name of Speedairang. The active ingredient in Speedalon is esketamine, which can be obtained from ketamine.

Existing antidepressants usually take 4~6 weeks to exert their effect, while the use of nasal spray administration of Speedelon can quickly take effect, and the improvement of depressive symptoms can be observed 4 hours after the first dose. More data is needed in the future to prove that Speedalang does provide these benefits.