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PHARMASPIRE - Volume 15, Issue 02, 2023, April- June

Pages: 80-86

Date of Publication: 07-Sep-2023

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Daridorexant: A drug to treat insomnia

Author: Harsh Tyagi, Amit Sharma, Nikita Khera, Bintoo Sharma, Megha Bajaj, Mandeep Kaur

Category: Pharmacy Practice


In this review, we have explained the drug “Daridorexant” which is been used for the treatment of insomnia. Clinical research has shown, however, that individuals with insomnia have inconsistent reporting of subjective (i.e., self-reported diaries) and objective (i.e., polysomnography) estimations of their sleep characteristics. Idorsia Pharmaceuticals Ltd. is developing daridorexant (Quviviq™), an orally given dual orexin Type 1 and Type 2 (OX1 and OX2) receptor antagonist (DORA), for the treatment of insomnia. Daridorexant was chosen from a pool of medication candidates because it had estimated effect duration of 8 h at a dosage of 25 mg and a half-life designed to minimize residual effects that might impede daytime functioning. Symptoms have been self-reported by approximately 30% of the general population and can cause a wide range of daily impacts such as fatigue, decreased energy, mood changes, and cognitive impairments. We have explained the pharmacokinetics and pharmacodynamics profile of Daridorexant. It preferentially targets orexin neurons and inhibits downstream neuronal pathways that promote wakefulness; however, it does not affect neuronal pathways that induce adverse effects found with positive allosteric gamma-aminobutyric acid-A receptor modulators. In the context of arrestin-mediated pathways, the possibility of biased signaling is being investigated. The drugs used in the orexinergic system are also included in this review.

Keywords: Allosteric gamma-aminobutyric acid-A receptor modulators, Arrestin-mediated pathway, Daridorexant, Insomnia, Oxinergic system

DOI: 10.56933/Pharmaspire.2023.15114



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