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Chronic Fatigue Syndrome | Sodium Oxybate in Patients With Chronic Fatigue Syndrome.

Chronic Fatigue Syndrome research study

What is the primary objective of this study?

Chronic fatigue syndrome (CFS) is a disabling, unexplained disorder characterized by physical and mental exhaustion. Complaints of disturbed and unrefreshing sleep are very common in CFS patients, however, the relationship between (disturbed) sleep quality and fatigue is still not fully elucidated. To evaluate the effect of sodium oxybate on fatigue and to explore the interdependence of sleep quality and fatigue in CFS, a double blind, randomized, placebo controlled cross-over trial with sodium oxybate is carried out in CFS patients. The aim of this study is to address the issue of the effect of sodium oxybate on fatigue as a presenting symptom in chronic fatigue (CF) and CFS patients, in the absence of underlying medical or psychiatric illness. The answer to this question may shed further light on the enigmatic relationship between sleep and fatigue. We also want to investigate the effect of sodium oxybate on sleepiness and general health in the same target population. Zero-hypothesis: there is no effect.

Who is eligible to participate?

Inclusion Criteria: - Patients suffering from chronic, disabling, unexplained fatigue with at least 4 minor criteria for CFS, according to the 1994 Fukuda case definition; - Negatively screened for fibromyalgia syndrome(FMS) according to the American College of Rheumatology (ACR) classification criteria; - 18 years or older; - 65 years or less; - Female patient of childbearing potential (premenopausal female biologically capable of becoming pregnant) has a confirmed negative pregnancy test at the start of the trial and has to employ an acceptable method of birth control (double barrier method of contraception); - Written, signed and dated informed consent must be obtained from each patient; - Patient able to understand and follow the requirements of the study - Willing to abstain from taking any medication or treatment prohibited in the protocol Exclusion Criteria: - FMS; - Presence of an inflammatory rheumatic disease or a painful disorder other than FMS; - Fatigue that is explained by medical or psychiatric causes; - Older than 65 or younger than 18 years of age; - Apnea/hypopnea index (AHI) > or equal to 15 on polysomnography (PSG) (exempted if receiving continuous positive airway pressure CPAP and shown good compliance) - Deficiency in succinic semialdehyde dehydrogenase; - Porphyria; - Breathing or lung problems; - Unsufficiently controlled hypertension (high blood pressure: > 140/90 mmHg); - Heart failure; - Liver or kidney problems (serum creatinine level > 2,0 mg/dl); - Presence of a seizure disorder or epilepsy; - Sodium oxybate treatment in the past; - Primary history of substance abuse (including abuse of alcohol); - Inability to withdraw from psychoactive drugs; - Current use of sedative (benzodiazepine and non-benzodiazepine GABA-ergic agonists), opioids or antidepressant medication or a drug-free interval of less than 4 weeks; - Female patient who is pregnant, lactating or has a positive pregnancy test result. - Occupation that requires night-shift work; - Willing to abstain from using alcohol

Which medical condition, disease, disorder, syndrome, illness, or injury is researched?

Chronic Fatigue Syndrome

Study Interventions

Interventions can include giving participants drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available or noninvasive approaches such as surveys, education, and interviews.

Drug:Sodium oxybateTreatment is started and continued for 6 weeks at patient's home. Patients receive 3g/night during the first week, and 4,5 g/night during the second week. After the second week, patients have their dose increased to 6 g/night during 6 weeks. A washout period of 4 weeks is installed to withdraw from treatment. Patients receive 4,5 g/night for 1 week, followed by 3g/night for 1 week. The next 2 weeks, patients are not treated.

Drug:PlaceboPlacebo treatment is started and continued for 6 weeks at patient's home. Patients receive 3 g/night during the first week and 4.5 g/night during the second week. After the second week, patients have their dose increased to 6 g/night during 6 weeks. A washout period of 4 weeks is installed to withdraw from treatment. Patients receive 4.5 g/night for 1 week, followed by 3 g/night for 1 week. The next 2 weeks, patients are not treated.

Study Arms

Research studies and clinical trials typically have two or more research arms. An arm is a group of people who receive the same treatment in the study.

Sodium oxybatePatient group receives sodium oxybate as treatment.

PlaceboPatient group receives placebo as treatment.

Study Status

Unknown status

Start Date: June 2013

Completed Date: December 2015

Phase: Phase 4

Type: Interventional

Design:

Primary Outcome: Measurement of the effect of sodium oxybate on fatigue with questionnaires.

Secondary Outcome: Effect of sodium oxybate on sleepiness.

Study sponsors, principal investigator, and references

Principal Investigator: An Mariman, MD

Lead Sponsor: University Hospital, Ghent

Collaborator: UCB Pharma

More information:https://clinicaltrials.gov/show/NCT01584934

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