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SWS And Daytime Functioning in Chronic FatiguE Syndrome (SAFFE) — SAFFE  

Chronic Fatigue Syndrome Clinical Trial

Official title:
Slow-wave Sleep and Daytime Functioning in Chronic Fatigue Syndrome: Effects of Sodium Oxybate

Clinical Trial Summary

The investigators wish to investigate whether enhancement of SWS, which is seen after a drug called sodium oxybate, reduces the impact of sleep disruption in CFS on daytime function, specifically sleepiness and mental performance. This is a safe and well-tolerated drug that is licensed for excessive daytime sleepiness (EDS) and cataplexy associated with narcolepsy. The investigators will study 12 patients diagnosed with CFS using international diagnostic guidelines. The investigators will record overnight sleep with EEG (brainwave) measurement on the 1st and 4th nights of a 4 night period during which sodium oxybate and placebo will be taken nightly, and the investigators will measure next-day sleepiness, mental performance and fatigue, and compare drug and placebo nights.

Clinical Trial Description

Chronic fatigue syndrome (CFS), characterised by chronic disabling fatigue, sleep impairment and other symptoms, is associated with neither a currently identifiable disease process nor major psychiatric illness, and has an estimated prevalence in primary care of 1-2%. Sleep impairment is common in nearly everyone with CFS, with both daytime sleepiness and unrefreshing nighttime sleep reported, and consequent impact on daytime function. It may be that fundamental regulatory processes that control sleep are disturbed in CFS, leading to different effects on sleep and daytime symptoms depending on the subject's prior sleep, daytime routine, medication and other factors. The investigators contacts with patient groups have indicated that patients are generally confident that on days when their sleep is better they perform better in the day. There is growing evidence that deep, slow wave sleep (SWS) is altered in CFS, and this may suggest impairment of build up of sleep pressure during the day. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02055898
Study type Interventional
Source Imperial College London
Contact
Status Completed
Phase Phase 4
Start date April 2014
Completion date August 2015
View Details
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