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Orexin (/ ɒ ˈ r ɛ k s ɪ n /), also known as hypocretin, is a neuropeptide that regulates arousal, wakefulness, and appetite. [5] It exists in the forms of orexin-A and orexin-B.The most common form of narcolepsy, type 1, in which the individual experiences brief losses of muscle tone ("drop attacks" or cataplexy), is caused by a lack of orexin in the brain due to destruction of the cells ...
An orexigenic, or appetite stimulant, is a drug, hormone, or compound that increases appetite and may induce hyperphagia.This can be a medication or a naturally occurring neuropeptide hormone, such as ghrelin, orexin or neuropeptide Y, [1] [2] which increases hunger and therefore enhances food consumption.
A major part of the study took place at the Providence Portland Medical Center.. The Oregon health insurance experiment (sometimes abbreviated OHIE) [1] was a research study looking at the effects of the 2008 Medicaid expansion in the U.S. state of Oregon, which occurred based on lottery drawings from a waiting list and thus offered an opportunity to conduct a randomized experiment by ...
Visualisation of Numbeo's 2023 cost of living index by country. The cost of living is the cost of maintaining a certain standard of living for an individual or a household. Changes in the cost of living over time can be measured in a cost-of-living index. Cost of living calculations are also used to compare the cost of maintaining a certain ...
However, orexin-B shows a 5- to 10-fold selectivity for orexin receptor type 2, whilst orexin-A is equipotent at both receptors. [2] [3] Several orexin receptor antagonists are in development for potential use in sleep disorders. [4] The first of these, suvorexant, has been on the market in the United States since 2015. [5]
The new study analyzed nationwide data from 50 cohorts of schoolchildren from January 2005 to August 2016, before the law took effect, and data from September 2016 to March 2020, after it was ...
An orexin receptor antagonist, or orexin antagonist, is a drug that inhibits the effect of orexin by acting as a receptor antagonist of one (selective orexin receptor antagonist or SORA) or both (dual orexin receptor antagonis or DORA) of the orexin receptors, OX 1 and OX 2. [1] Medical applications include treatment of sleep disorders such as ...
Lemborexant is used in the treatment of insomnia in adults. [3]A major systematic review and network meta-analysis of medications for the treatment of insomnia published in 2022 found that lemborexant had an effect size (standardized mean difference (SMD)) against placebo for treatment of insomnia at 4 weeks of 0.36 (95% CI Tooltip confidence interval 0.08 to 0.63) and at 3 months of 0.41 (95% ...