Suvorexant: something new for sleep?

2014 ◽  
Vol 27 (1) ◽  
pp. 53-55 ◽  
Author(s):  
Abhishek Reddy ◽  
Sowmya C Puvvada ◽  
Satyanarayana Kommisetti ◽  
Rif S. El-Mallakh ◽  
Steven Lippmann

Orexin, also called hypocretin, is a neuropeptide that acts on central nervous system receptors to promote arousal. Suvorexant, its receptor antagonist, generates interest as a medication to treat insomnia. Suvorexant helps in decreasing wakefulness by counteracting orexin activity. Its low side effect potential may offer considerable benefit. Compared with other sleep aids, diminished drowsiness and less cognitive dysfunction is an advantage. Now approved for clinical use, an apparent lack of rebound insomnia or drug dependence potential might make suvorexant a good choice pharmacotherapy for patients with insomnia.

2011 ◽  
Vol 26 (8) ◽  
pp. 1119-1127 ◽  
Author(s):  
Erik T te Beek ◽  
Matthijs Moerland ◽  
Peter de Boer ◽  
Luc van Nueten ◽  
Marieke L de Kam ◽  
...  

2003 ◽  
Vol 39 (3) ◽  
pp. 283-287 ◽  
Author(s):  
Noémi Benitah ◽  
Louis-Philippe de Lorimier ◽  
Michele Gaspar ◽  
Barbara E. Kitchell

Chlorambucil is an alkylating agent commonly used in veterinary oncology for conditions including lymphoma. Chlorambucil neurotoxicity has been well recognized in human patients. Onsets of central nervous system signs, such as myoclonus, tremors, muscular twitching, agitation, and tonic-clonic seizures, have been reported in humans and laboratory animals treated with chlorambucil. This case of a cat with intestinal lymphoma represents the first veterinary patient reported to have chlorambucil-induced neurotoxicity. Neurotoxicity should be considered a potential side effect of chlorambucil therapy in veterinary patients.


Author(s):  
P.H. Mortimer

This paper briefly introduces animal disease aspects of ryegrass staggers IFiGS) and describes the occurence and the clinical signs of the disease. Recent suggestions for the production of a reversible biochemical lesion in the central nervous system are mentioned in relation to the apparent lack of specific morphological lesions found in sheep. The recent isolation of novel potent neurotoxins, the lolitrems, from toxic pasture material is reviewed. There is now strong circumstantial evidence that the lolitrems produce the neurotoxic disease of RGS and also that the lolitrems are elaborated in the close association of perennial ryegrass with its parasitic fungus, Lolium endophyte, in pastures. Under what conditions the lolitrems are produced, or their precise locus within the association, are not yet known.


1996 ◽  
Vol 71 ◽  
pp. 263
Author(s):  
Seiji Hori ◽  
Kunie Kamata ◽  
Yasushi Noguchi ◽  
Junko Sato ◽  
Mikio Nakamura ◽  
...  

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