Interventions for the Treatment and Management of Chronic Fatigue Syndrome: A Systematic Review

• Published in: JAMA : the journal of the American Medical Association Vol. 286; no. 11; pp. 1360 - 1368
• Main Authors: Whiting, Penny, Bagnall, Anne-Marie, Sowden, Amanda J, Cornell, John E, Mulrow, Cynthia D, Ramírez, Gilbert
• Format: Journal Article
• Language: English
• Published: Chicago, IL American Medical Association 19.09.2001
• Subjects: Adult; Biological and medical sciences; Child; Chronic illnesses; Clinical Trials as Topic; Cognitive Behavioral Therapy; Complementary Therapies; Dietary Supplements; Effectiveness; Exercise Therapy; Fatigue; Fatigue Syndrome, Chronic - drug therapy; Fatigue Syndrome, Chronic - therapy; Humans; Immunotherapy; Intervention; Medical sciences; Nervous system involvement in other diseases. Miscellaneous; Neurology; Outcome and Process Assessment (Health Care); Reproducibility of Results; Statistical analysis; Studies; Systematic review; Human; Nervous system diseases; Immunology; Prognosis; Treatment; Pharmacology; Behavior therapy; Fatty acids; Chronic fatigue syndrome; Bibliographic review; Food supplement; Quality of life
• DOI: 10.1001/jama.286.11.1360
• ISSN: 0098-7484

CONTEXT A variety of interventions have been used in the treatment and management of chronic fatigue syndrome (CFS). Currently, debate exists among health care professionals and patients about appropriate strategies for management. OBJECTIVE To assess the effectiveness of all interventions that have been evaluated for use in the treatment or management of CFS in adults or children. DATA SOURCES Nineteen specialist databases were searched from inception to either January or July 2000 for published or unpublished studies in any language. The search was updated through October 2000 using PubMed. Other sources included scanning citations, Internet searching, contacting experts, and online requests for articles. STUDY SELECTION Controlled trials (randomized or nonrandomized) that evaluated interventions in patients diagnosed as having CFS according to any criteria were included. Study inclusion was assessed independently by 2 reviewers. Of 350 studies initially identified, 44 met inclusion criteria, including 36 randomized controlled trials and 8 controlled trials. DATA EXTRACTION Data extraction was conducted by 1 reviewer and checked by a second. Validity assessment was carried out by 2 reviewers with disagreements resolved by consensus. A qualitative synthesis was carried out and studies were grouped according to type of intervention and outcomes assessed. DATA SYNTHESIS The number of participants included in each trial ranged from 12 to 326, with a total of 2801 participants included in the 44 trials combined. Across the studies, 38 different outcomes were evaluated using about 130 different scales or types of measurement. Studies were grouped into 6 different categories. In the behavioral category, graded exercise therapy and cognitive behavioral therapy showed positive results and also scored highly on the validity assessment. In the immunological category, both immunoglobulin and hydrocortisone showed some limited effects but, overall, the evidence was inconclusive. There was insufficient evidence about effectiveness in the other 4 categories (pharmacological, supplements, complementary/alternative, and other interventions). CONCLUSIONS Overall, the interventions demonstrated mixed results in terms of effectiveness. All conclusions about effectiveness should be considered together with the methodological inadequacies of the studies. Interventions which have shown promising results include cognitive behavioral therapy and graded exercise therapy. Further research into these and other treatments is required using standardized outcome measures.