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Improvement in Fatigue during Natalizumab Treatment is Linked to Improvement in Depression and Day-Time Sleepiness.


ABSTRACT: BACKGROUND:Fatigue is a frequent symptom in multiple sclerosis (MS) and often interrelated with depression and sleep disorders making symptomatic treatment decisions difficult. In the single-arm, observational phase IV TYNERGY study, relapsing-remitting MS patients showed a clinically meaningful decrease in fatigue over 1?year of treatment with natalizumab. OBJECTIVE:To evaluate whether fatigue improvement might be directly linked to improved depression and day-time sleepiness. METHODS:Patients were assessed regarding fatigue, depression, and day-time sleepiness. The relation between changes of the two latter symptoms and changes in fatigue was analyzed. RESULTS:After 1?year of natalizumab treatment, the majority of patients (>92%) remained stable or improved in total, motor, and cognitive fatigue. Proportion of patients without depression increased by 17% while proportions of mildly depressed patients or patients with potential major depression decreased by 5 and 12%, respectively. Proportion of patients classified as not being sleepy increased by 13% while proportions of sleepy and very sleepy patients decreased by 11 and 2%, respectively. Most importantly, improved depression and sleepiness were significantly related to improved fatigue. CONCLUSION:Our findings highlight the importance of patient-reported outcomes in identifying potential benefits of drug treatment beyond its well-established effects on disease activity and disability progression.

SUBMITTER: Penner IK 

PROVIDER: S-EPMC4337367 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Improvement in Fatigue during Natalizumab Treatment is Linked to Improvement in Depression and Day-Time Sleepiness.

Penner Iris-Katharina IK   Sivertsdotter Eva Catharina EC   Celius Elisabeth G EG   Fuchs Siegrid S   Schreiber Karen K   Berkö Sara S   Svenningsson Anders A  

Frontiers in neurology 20150223


<h4>Background</h4>Fatigue is a frequent symptom in multiple sclerosis (MS) and often interrelated with depression and sleep disorders making symptomatic treatment decisions difficult. In the single-arm, observational phase IV TYNERGY study, relapsing-remitting MS patients showed a clinically meaningful decrease in fatigue over 1 year of treatment with natalizumab.<h4>Objective</h4>To evaluate whether fatigue improvement might be directly linked to improved depression and day-time sleepiness.<h4  ...[more]

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