Table 2.

Characteristics of studies with cognitive-behavioral therapies in fibromyalgia syndrome (FM). Studies are arranged in alphabetical order by author.

Study; Setting; ReferralMean age, yrs; Women, RaceExclusion CriteriaDiagnosis of FM; Comorbidities Assessed and ReportedPopulationTreatment GroupControl GroupOutcomes Usable for Metaanalysis; Latest Followup
N Screened Randomized (%)N Completing End of Therapy (%)N Completing End of Therapy (%)Treatment (duration)Treatment (duration) N Completing End of Therapy (%)Comedication Allowed; Other Cotherapies; Attendance Rates (all sessions); Side effects
Astin USA 2003: university outpatient based; radio/newspaper advertisement and local physicians48; 99% women, 91% WhiteInternal disease, major mental disorder, pending litigationACR;
Yes
NR128/65 (51)64/32 (50)Cognitive (MBSR) group: mindfulness meditation (1 × 1.5 h/8 wks) plus Qi-gong (1 × 1 h/8 wks) Total: 20 hAttention control: education and support; (8 × 2.5 h) Total 20 h 63/33 (51)NR



NR

IR
NR
Pain SF-36 Pain
Sleep NP
Fatigue NP
Depression BDI total
HRQOL FIQ total
SE Pain CSQ NP
HCSB NA; 6 mo
Burckhardt Sweden 1994; regional hospital outpatient based; Clinic register46.5; 100% women, 99% WhiteRheumatic diseaseACR;
no
120/99 (83)99/86 (87)31/28 (90)CBT group: education, relaxation, assertiveness training, coping strategies, problem solving techniques (1 × 1.5 h/6 wks) Total 9 hDelayed treatment control

35/30 (86) Study arm CBT plus physical therapy not used for comparison
Yes, not controlled for
NR
NR
NR
Pain VAS 0–10*
Sleep VAS 0–10 NA
Fatigue VAS 0–10*
Depression 0–10*
HRQOL FIQ total*
SE Pain SES NP
HCSB NA;
3 and 6 mo but not control group
Edinger USA 2005; university outpatient based; newspaper advertisement48.6; 92% women, 90% WhiteSomatic diseases associated with sleep disorder, mental disorder except dysthymiaACR;
Yes
106/47 (44)47/41 (87)16/15 (94)CBT group: insomnia therapy with education and stimulus control (1 × 1 h/6 wks) Total 6 hUsual care

11/9 (82)



Treatment arm sleep hygiene not used for comparison
Yes
NR
IR




NR
Pain: MPQ total
Sleep: ISQ total
Fatigue NA
Depression NA
HRQOL NA
SE Pain NA
HCSB NA; 6 mo
Garcia Spain 2006; university outpatient based; pain and rheumatology department49.9; 96% women, NRNo medication, request or lawsuit for disabilityACR, NoNR28/28 (100)7/7 (100)CBT group: Education, relaxation, cognitive techniques, self-instructions (1 × 1.5 h/9 wks) Total 13.5 hNontreatment 7/7 (100) Treatment arms pharmacological therapy and pharmacological therapy plus CBT not used for comparisonNo medication used for
FM
NR
NR
NR
Pain NP
Sleep NP
Fatigue NP
Depression NP
HRQOL: FIQ total
SE Pain NA
HCSB NA; 3 mo
Grossman Switzerland 2007; university outpatient based; local physician; self-help group54.4; 100% women, NRLife-threatening disease, mental disorder that could interfere with adherenceACR; 26% suggestive of a mental disorderNR58/52 (90)43/39 (91)Cognitive (MBSR) group: formal mindfulness practice, mindful awareness during yoga, stressful situations and social interactions (1 × 2.5 h/8 wks plus one day) Total 27 hAttention control group: nonspecific elements of MBSR: progressive relaxation, gentle stretching, group discussion (8 wks, 27 h)
15/13 (87)
NR

NR

IR

NR
Pain VAS 0–100
Sleep NA
Fatigue NA
Depression
HADS
HRQOL QoL**
SE Pain IPR
HCSB NA;

36 mo, but not control group
Kashikar-Zuck USA 2005; university outpatient based; pediatric rheumatology clinic15.8; 100% women, 93% WhiteRheumatic disease, depressive disorderJPFM;
No
44/30 (68)30/27 (90)15/14 (93)CBT single. Group and with parents: relaxation, distraction; activity pacing, cognitive and problem-solving techniques (1 × 1.5 h/8 wks) Total 12 hActive control; Single: self-monitoring with diary 15/13 (87)NR


NR


90%
NR
Pain VAS 0–10
Sleep NA
Fatigue NA
Depression CDI
HRQOL NA
SE Pain PCQ
HCSB NA;
No followup
Nicassio USA 1997; university outpatient-based; community, private and hospital rheumatologists, FMS support groups53.1; 89% women, 86% WhiteRheumatic disease, other serious illness, psychosis or bipolar disorderACR;
No
94/86 (92)86/71 (82)48/36 (75)CBT group: education, relaxation, activity pacing, pain coping, involvement of support person reinforcing adherence to protocol (1 × 1.5 h/10 wks) Total 15 hAttention control, Group: lectures, group discussion, support (10 wks, 1.5 h/wk) Total 15 h 38/35 (92)Yes, not controlled for


NR

NR
NR
Pain Index
Sleep NA
Fatigue NA
Depression
CES-D
HRQOL QWB
SE Pain RAI
HCSB NA;
6 mo
Redondo Spain 2004; university general practitionersNR; 100% women, NRSerious concomitant diseasesACR; No56/40 (71)40/31 (77)21/16 (76)CBT group: education, relaxation, coping with pain and daily activities, problem solving, prevention of relapses (1 × 2.5 h/8 wks) Total 20 hActive control: pool and cycle ergometer (5 × wk 0.45 h; 8 wks) Total 30 h 19/15 (79)Flexible medication with NSAID, amitriptyline and acetaminophen allowed
NR
72%
NR
Pain VAS 0–10
Fatigue VAS 0–10
Sleep VAS 0–10
Depression BDI total
HRQOL FIQ total
SE Pain CPSS
HCSB NA; 12 mo
Sephton USA 2007; university outpatient based; television broadcast and newspaper advertisement48; 100% women, 94% WhiteSevere mental illnessACR;
Yes
282/91 (32)91/78 (86)51/41 (80)Cognitive (MBSR) group: stress reduction by sitting meditation, hatha yoga and body scan; meditation retreat (1 × 2.5 h/8 wks plus one day; daily home practice of 30–45min encouraged) Total 28 hDelayed treatment control 40/27 (68)Flexible comedication allowed
NR
69%
NR
Pain NA
Sleep NA
Fatigue NA
Depression BDI total
HRQOL NA
SE Pain NA
HCSB NA; 2 mo
Soares Sweden 2002; university outpatient based; practitioners45; 100% women, NRSerious somatic diseases, substance abuse, other therapiesACR;
No
85/53 (62)60/53 (88)20/18 (90)CBT single and group: education, problem solving, pain- and self-management [10 wks (2x2 h individual, 15 × 2 h group)] Total 34 hAttention control, Group: education, discussion (10 wks, total 102 h) 20/18 (90) Waiting list control not used for comparison because of lack of followup assessmentNo other therapy

No other therapy
NR
NR
Pain MPQ total
Sleep KSQ
Sleep Quality
Fatigue NA
Depression NA
HRQOL FIQ total
SE Pain ASES
Pain
HCSB NA; 6 mo
Thieme Germany 2003; inpatient-based; district hospital, district hospital for rheumatic diseases46.6; 100% women, NRSerious somatic diseases, major psychiatric disorderACR;
No
NR61/61 (100)40/40 (100)Behavior group: education; structured time-contingent exercises, reduction of medication, increase of bodily activity, reduction of interference of pain with daily activities; reduction of healthcare utilization; assertiveness training 5 wks DNR Total 75 hActive control: Group: education, antidepressants, passive physical therapy 21/21 (100) (5 wks, 5 days a wk) Total 75 hReduction of medication

NR

NR

NR
Pain MPI 0–6
Sleep NA
Fatigue NA
Depression NA
HRQOL MPI
Total Activity Scale
SE Pain MPI
HCSB, number of physician visits; 15 mo
Thieme Germany 2006; university outpatient based; rheumatology clinics45; 100% women, NRSerious somatic diseasesACR;
NR
131/125 (95)125/100 (80)OBT 43/40 (93)
CBT 42/40 (95)
Behavior group: education; structured time-contingent exercises; reduction of medication, increase of bodily activity, reduction of interference of pain with daily activities; reduction of healthcare utilization; assertiveness training CBT group: relaxation, problem-solving, stress and pain coping (Both groups: 1 × 2 h/15 wks) Total 30 hAttention control, Group: discussion (h NR) 40/20 (50)NR

NR

NR
2 dropouts because of depression in behavior and CBT each
Pain VAS 0–10**
Sleep NA
Fatigue VAS 0–10**
Depression VAS
0–10**
HRQOL FIQ total
SE Pain PRSS**
HCSB, number of physician visits; 12 mo
Vlaeyen Netherlands 1996; university outpatient based; regional general hospital44; 88% women, NRSomatic diseases, substance abuse, disability litigationACR;
No
290/131 (45)125/112 (90)49/39 (80)CBT group: education (24 h), imagination, EMG-supported relaxation; training to use relaxation skills in case of stimuli of muscle tension (1 × 2 h/12 wks) Total 48 hActive control: group education and low intensity physical exercise (12 wks, 2 h) Total 24 h 39/30 (77) Waiting list control not used for comparison because of lack of followup assessmentNR
NR
78%
1 dropout in CBT and 2 in control because of increase of symptoms
Pain Index
Sleep NA
Fatigue NA
Depression BDI
HRQOL***
SE Pain CSQ
HCSB***; 12 mo
Wigers Norway 1996; university outpatient; local patient association and outpatient department43; 90% women, NRNRACR; NR76/60 (79)60/48 (80)20/16 (80)CBT group: relaxation, stress management skills (1 × 1–1.5 h/14 wks) Total 21 hUsual care — 20/17 (85) Study arm aerobic from exercise not used for comparisonBaseline treatment unchanged Exclusion analysis if new therapies were initiated IR
No treatment related side effects
Pain VAS 0–100
Fatigue VAS 0–100
Sleep VAS 0–100
Depression VAS
0–100
HRQOL NA
SE Pain NA
HCSB NA; 48 mo
  • * SD substituted by the mean of SD of other trials on the same scale;

  • ** data provided on request;

  • *** HRQOL utilities as reported32 not suited for metaanalysis: HCSB-data as reported32. Reasons for exclusion from metaanalysis: see Discussion. ACR: American College of Rheumatology; ASES: Arthritis Self-Efficacy Scale; BDI: Beck Depression Inventory; CBT: cognitive-behavioral therapy; CDI: Children’s Depression Inventory; CES-D: Center for Epidemiological Studies Depression Scale; CSQ: Coping Strategies Questionnaire; DNR: details not reported; EMG: electromyography; FIQ: Fibromyalgia Impact Questionnaire; HADS: Hospital Anxiety and Depression Scale; HRQOL: health-related quality of life; HCSB: healthcare-seeking behavior; IPR: Inventory of Pain Regulation; IR: insufficiently reported; ISQ: Insomnia Symptom Questionnaire; JPMF: juvenile primary fibromyalgia; MMQ: Mild Motion Questionnaire; MPI: Multidimensional Pain Inventory; MPQ: McGill Pain Questionnaire; NA: not assessed; NP: not provided on request; NR: not reported; OBT: operant behavioral therapy; PCQ: Pain Coping Questionnaire; PRSS: Pain-related self-statement scale; QoL: Quality of life profile for the Chronically Ill; RAI: Rheumatology Attitude Index, subscale helplessness; SCL 90-R: Symptom Check List 90-revised; SE: self-efficacy; SES: Self-Efficacy Scale; SF-36: Short Form Health Survey; VAS: visual analog scale.