Sensorion’s vertigo drug hits tolerability endpoint in phase 2

A phase 2a trial of Sensorion’s vertigo seliforant has met its major tolerability endpoint. The trial discovered the histamine kind 4 receptor antagonist had no impact on vigilance and cognitive efficiency, suggesting it could have an edge over present vertigo remedies comparable to meclizine.

Meclizine, a histamine H1 receptor antagonist, is used to deal with acute vertigo however may cause sedation, impaired motor perform and different unwanted side effects. These hostile occasions are significantly problematic in the therapy of vertigo as sedated sufferers are unable to start the vestibular rehabilitation remedy that might assist alleviate their issues.

France’s Sensorion thinks seliforant, a small molecule previously often known as SENS-111, can inhibit vestibular neuron exercise and thereby deal with vertigo with out inflicting the sedation related to the off-label use of meclizine.


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To check that concept, Sensorion enrolled 32 individuals in a crossover trial and randomized them to obtain considered one of two doses of seliforant, meclizine or placebo one week aside in a random order. The topics have been healthy volunteers who have been uncovered to “experimental motion.” Sensorion assessed the impact of the medication on individuals utilizing a psychomotor check battery and a vigilance and monitoring check.

Sensorion is but to share information from the trial however has disclosed that the examine “met its tolerability primary endpoint in a statistically significant manner.” Unlike meclizine, seliforant was not linked to adverse CNS unwanted side effects.

The discovering is small, however given Sensorion’s positioning of seliforant, it is an essential step in the advance of the candidate. CNS unwanted side effects would have undermined a key plank of Sensorion’s pitch to get seliforant established in the vertigo market.

None of that can matter if seliforant falls quick on the efficacy entrance, although. The large check of that side of the drug will come in the second half of subsequent 12 months when Sensorion releases information from an ongoing phase 2 proof-of-concept medical trial. 

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