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Meta-Analysis
. 2020 Apr 16;4(4):CD012005.
doi: 10.1002/14651858.CD012005.pub2.

Interventions for fatigue in inflammatory bowel disease

Affiliations
Meta-Analysis

Interventions for fatigue in inflammatory bowel disease

Dawn Farrell et al. Cochrane Database Syst Rev. .

Abstract

Background: Inflammatory bowel disease (IBD) is an umbrella term used to describe a group of chronic, progressive inflammatory disorders of the digestive tract. Crohn's disease and ulcerative colitis are the two main types. Fatigue is a common, debilitating and burdensome symptom experienced by individuals with IBD. The subjective, complex nature of fatigue can often hamper its management. The efficacy and safety of pharmacological or non-pharmacological treatments for fatigue in IBD is not yet established through systematic review of studies.

Objectives: To assess the efficacy and safety of pharmacological and non-pharmacological interventions for managing fatigue in IBD compared to no treatment, placebo or active comparator.

Search methods: A systematic search of the databases Embase, MEDLINE, Cochrane Library, CINAHL, PsycINFO was undertaken from inception to July 2018. A top-up search was run in October 2019. We also searched the Cochrane IBD Group Specialized Register, the Cochrane Central Register of Controlled Trials, ongoing trials and research registers, conference abstracts and reference lists for potentially eligible studies.

Selection criteria: Randomised controlled trials of pharmacological and non-pharmacological interventions in children or adults with IBD, where fatigue was assessed as a primary or secondary outcome using a generic or disease-specific fatigue measure, a subscale of a larger quality of life scale or as a single-item measure, were included.

Data collection and analysis: Two authors independently screened search results and four authors extracted and assessed bias independently using the Cochrane 'Risk of bias' tool. The primary outcome was fatigue and the secondary outcomes included quality of life, adverse events (AEs), serious AEs and withdrawal due to AEs. Standard methodological procedures were used.

Main results: We included 14 studies (3741 participants): nine trials of pharmacological interventions and five trials of non-pharmacological interventions. Thirty ongoing studies were identified, and five studies are awaiting classification. Data on fatigue were available from nine trials (1344 participants). In only four trials was managing fatigue the primary intention of the intervention (electroacupuncture, physical activity advice, cognitive behavioural therapy and solution-focused therapy). Electroacupuncture Fatigue was measured with Functional Assessment of Chronic Illness Therapy - Fatigue (FACIT-F) (scores range from 0 to 52). The FACIT-F score at week eight was 8.00 points higher (better) in participants receiving electroacupuncture compared with no treatment (mean difference (MD) 8.00, 95% CI 6.45 to 9.55; 1 RCT; 27 participants; low-certainty evidence). Results at week 16 could not be calculated. FACIT-F scores were also higher with electroacupuncture compared to sham electroacupuncture at week eight (MD 5.10, 95% CI 3.49 to 6.71; 1 RCT; 30 participants; low-certainty evidence) but not at week 16 (MD 2.60, 95% CI 0.74 to 4.46; 1 RCT; 30 participants; low-certainty evidence). No adverse events were reported, except for one adverse event in the sham electroacupuncture group. Cognitive behavioural therapy (CBT) and solution-focused therapy Compared with a fatigue information leaflet, the effects of CBT on fatigue are very uncertain (Inflammatory Bowel Disease-Fatigue (IBD-F) section I: MD -2.16, 95% CI -6.13 to 1.81; IBD-F section II: MD -21.62, 95% CI -45.02 to 1.78; 1 RCT, 18 participants, very low-certainty evidence). The efficacy of solution-focused therapy on fatigue is also very uncertain, because standard summary data were not reported (1 RCT, 98 participants). Physical activity advice One 2 x 2 factorial trial (45 participants) found physical activity advice may reduce fatigue but the evidence is very uncertain. At week 12, compared to a control group receiving no physical activity advice plus omega 3 capsules, FACIT-F scores were higher (better) in the physical activity advice plus omega 3 group (FACIT-F MD 6.40, 95% CI -1.80 to 14.60, very low-certainty evidence) and the physical activity advice plus placebo group (FACIT-F MD 9.00, 95% CI 1.64 to 16.36, very low-certainty evidence). Adverse events were predominantly gastrointestinal and similar across physical activity groups, although more adverse events were reported in the no physical activity advice plus omega 3 group. Pharmacological interventions Compared with placebo, adalimumab 40 mg, administered every other week ('eow') (only for those known to respond to adalimumab induction therapy), may reduce fatigue in patients with moderately-to-severely active Crohn's disease, but the evidence is very uncertain (FACIT-F MD 4.30, 95% CI 1.75 to 6.85; very low-certainty evidence). The adalimumab 40 mg eow group was less likely to experience serious adverse events (OR 0.56, 95% CI 0.33 to 0.96; 521 participants; moderate-certainty evidence) and withdrawal due to adverse events (OR 0.48, 95%CI 0.26 to 0.87; 521 participants; moderate-certainty evidence). Ferric maltol may result in a slight increase in fatigue, with better SF-36 vitality scores reported in the placebo group compared to the treatment group following 12 weeks of treatment (MD -9.31, 95% CI -17.15 to -1.47; 118 participants; low-certainty evidence). There may be little or no difference in adverse events (OR 0.55, 95% CI 0.26 to 1.18; 120 participants; low-certainty evidence) AUTHORS' CONCLUSIONS: The effects of interventions for the management of fatigue in IBD are uncertain. No firm conclusions regarding the efficacy and safety of interventions can be drawn. Further high-quality studies, with a larger number of participants, are required to assess the potential benefits and harms of therapies. Future studies should assess interventions specifically designed for fatigue management, targeted at selected IBD populations, and measure fatigue as the primary outcome.

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Conflict of interest statement

Dawn Farrell: This paper presents independent research funded by the Health Research Board of Ireland under the Cochrane Fellowship programme (Reference Number CFT‐2014‐887). Infrastructure support was provided from the host institution, University College Cork, to conduct this review.

Micol Artom: This paper presents independent research funded by the UK National Institute for Health Research (NIHR) under its Programme Grants for Applied Research Programme (Reference Number RP‐PG‐0216‐20001). The views expressed are those of the author and not necessarily those of the NHS, the NIHR or the Department of Health.

Wladyslawa Czuber‐Dochan: Serves as a member of Scientific Committee for Crohn's and Colitis UK, and Nurse‐European Crohn's and Colitis Organisation. She has also received speaker fees from Pfizer. This paper presents independent research funded by the UK National Institute for Health Research (NIHR) under its Programme Grants for Applied Research Programme (Reference Number RP‐PG‐0216‐20001). The views expressed are those of the author and not necessarily those of the NHS, the NIHR or the Department of Health.

Lars‐Petter Jelsness‐Jørgensen has received unrestricted research grants from Ferring Pharmaceuticals and Tillots Pharma. and has also acted as consultant and speaker for Abbvie. All of these activities are outside the submitted work.

Christine Norton: Tillotts, Takeda, AbbVie, Ferring (lecture fees) (outside submitted work). This paper presents independent research funded by the UK National Institute for Health Research (NIHR) under its Programme Grants for Applied Research Programme (Reference Number RP‐PG‐0216‐20001). The views expressed are those of the author and not necessarily those of the NHS, the NIHR or the Department of Health.

Eileen Savage: None known.

Figures

1
1
Study flow diagram
2
2
Risk of bias summary: review authors' judgements about each risk of bias item for each included study.
3
3
Risk of bias graph: review authors' judgements about each risk of bias item presented as percentages across all included studies.
1.1
1.1. Analysis
Comparison 1 Adalimumab maintenance versus placebo, Outcome 1 Fatigue: SF‐36 Vitality.
1.2
1.2. Analysis
Comparison 1 Adalimumab maintenance versus placebo, Outcome 2 Quality of life: SF‐36 PCS.
1.3
1.3. Analysis
Comparison 1 Adalimumab maintenance versus placebo, Outcome 3 Quality of life: SF‐36 MCS.
1.4
1.4. Analysis
Comparison 1 Adalimumab maintenance versus placebo, Outcome 4 Quality of life: IBDQ.
1.5
1.5. Analysis
Comparison 1 Adalimumab maintenance versus placebo, Outcome 5 Adverse events.
1.6
1.6. Analysis
Comparison 1 Adalimumab maintenance versus placebo, Outcome 6 Serious AEs.
1.7
1.7. Analysis
Comparison 1 Adalimumab maintenance versus placebo, Outcome 7 Withdrawal due to AEs.
2.1
2.1. Analysis
Comparison 2 Adalimumab 40 mg eow versus placebo, Outcome 1 Fatigue: FACIT‐ F.
2.2
2.2. Analysis
Comparison 2 Adalimumab 40 mg eow versus placebo, Outcome 2 Fatigue: SF‐36 Vitality.
2.3
2.3. Analysis
Comparison 2 Adalimumab 40 mg eow versus placebo, Outcome 3 Quality of life: SF‐36 PCS.
2.4
2.4. Analysis
Comparison 2 Adalimumab 40 mg eow versus placebo, Outcome 4 Quality of life: SF‐36 MCS.
2.5
2.5. Analysis
Comparison 2 Adalimumab 40 mg eow versus placebo, Outcome 5 Quality of life: IBDQ.
2.6
2.6. Analysis
Comparison 2 Adalimumab 40 mg eow versus placebo, Outcome 6 Adverse events.
2.7
2.7. Analysis
Comparison 2 Adalimumab 40 mg eow versus placebo, Outcome 7 Serious AEs.
2.8
2.8. Analysis
Comparison 2 Adalimumab 40 mg eow versus placebo, Outcome 8 Withdrawal due to AEs.
3.1
3.1. Analysis
Comparison 3 Adalimumab 40 mg weekly versus placebo, Outcome 1 Fatigue: FACIT‐Fatigue.
3.2
3.2. Analysis
Comparison 3 Adalimumab 40 mg weekly versus placebo, Outcome 2 Fatigue: SF‐36 vitality.
3.3
3.3. Analysis
Comparison 3 Adalimumab 40 mg weekly versus placebo, Outcome 3 Quality of life: SF‐36 PCS.
3.4
3.4. Analysis
Comparison 3 Adalimumab 40 mg weekly versus placebo, Outcome 4 Quality of life: SF‐36 MCS.
3.5
3.5. Analysis
Comparison 3 Adalimumab 40 mg weekly versus placebo, Outcome 5 Quality of life: IBDQ.
3.6
3.6. Analysis
Comparison 3 Adalimumab 40 mg weekly versus placebo, Outcome 6 Adverse events.
3.7
3.7. Analysis
Comparison 3 Adalimumab 40 mg weekly versus placebo, Outcome 7 Serious AEs.
3.8
3.8. Analysis
Comparison 3 Adalimumab 40 mg weekly versus placebo, Outcome 8 Withdrawal due to AEs.
4.1
4.1. Analysis
Comparison 4 AndoSan versus placebo, Outcome 1 Fatigue: Total Fatigue Score.
4.2
4.2. Analysis
Comparison 4 AndoSan versus placebo, Outcome 2 Fatigue: SF‐36 Vitality subscale.
5.1
5.1. Analysis
Comparison 5 Ferric maltol versus placebo, Outcome 1 Fatigue: SF‐36 Vitality subscale.
5.2
5.2. Analysis
Comparison 5 Ferric maltol versus placebo, Outcome 2 Quality of life: IBDQ.
5.3
5.3. Analysis
Comparison 5 Ferric maltol versus placebo, Outcome 3 Adverse events.
5.4
5.4. Analysis
Comparison 5 Ferric maltol versus placebo, Outcome 4 Serious AEs.
5.5
5.5. Analysis
Comparison 5 Ferric maltol versus placebo, Outcome 5 Withdrawal due to AEs.
6.1
6.1. Analysis
Comparison 6 Electroacupuncture versus no treatment, Outcome 1 Fatigue: FACIT‐F.
6.2
6.2. Analysis
Comparison 6 Electroacupuncture versus no treatment, Outcome 2 Quality of life: IBDQ‐9.
6.3
6.3. Analysis
Comparison 6 Electroacupuncture versus no treatment, Outcome 3 Adverse events.
6.4
6.4. Analysis
Comparison 6 Electroacupuncture versus no treatment, Outcome 4 Serious AEs.
6.5
6.5. Analysis
Comparison 6 Electroacupuncture versus no treatment, Outcome 5 Withdrawal due to AEs.
7.1
7.1. Analysis
Comparison 7 Electroacupuncture versus sham electroacupuncture, Outcome 1 Fatigue: FACIT‐F.
7.2
7.2. Analysis
Comparison 7 Electroacupuncture versus sham electroacupuncture, Outcome 2 Quality of life: IBDQ‐9.
7.3
7.3. Analysis
Comparison 7 Electroacupuncture versus sham electroacupuncture, Outcome 3 Adverse events.
7.4
7.4. Analysis
Comparison 7 Electroacupuncture versus sham electroacupuncture, Outcome 4 Serious AEs.
7.5
7.5. Analysis
Comparison 7 Electroacupuncture versus sham electroacupuncture, Outcome 5 Withdrawal due to AEs.
8.1
8.1. Analysis
Comparison 8 Guided stress management versus conventional medical treatment, Outcome 1 Fatigue: Average frequency symptom (tiredness).
8.2
8.2. Analysis
Comparison 8 Guided stress management versus conventional medical treatment, Outcome 2 Fatigue: Average severity of tiredness.
9.1
9.1. Analysis
Comparison 9 Self‐directed stress management versus conventional medical treatment, Outcome 1 Fatigue: Average frequency of tiredness.
9.2
9.2. Analysis
Comparison 9 Self‐directed stress management versus conventional medical treatment, Outcome 2 Fatigue: Average severity of tiredness.
10.1
10.1. Analysis
Comparison 10 CBT with therapist support versus fatigue information leaflet only, Outcome 1 Fatigue: IBD‐F Section I.
10.2
10.2. Analysis
Comparison 10 CBT with therapist support versus fatigue information leaflet only, Outcome 2 Fatigue: IBD‐F Section II.
10.3
10.3. Analysis
Comparison 10 CBT with therapist support versus fatigue information leaflet only, Outcome 3 Quality of life: UK‐IBDQ.
11.1
11.1. Analysis
Comparison 11 Physical activity advice plus omega 3 versus no physical activity advice plus omega 3, Outcome 1 Fatigue: FACIT‐F.
11.2
11.2. Analysis
Comparison 11 Physical activity advice plus omega 3 versus no physical activity advice plus omega 3, Outcome 2 Fatigue: MFI.
11.3
11.3. Analysis
Comparison 11 Physical activity advice plus omega 3 versus no physical activity advice plus omega 3, Outcome 3 Fatigue: IBD‐F Section I.
11.4
11.4. Analysis
Comparison 11 Physical activity advice plus omega 3 versus no physical activity advice plus omega 3, Outcome 4 Fatigue: IBD‐F Section II.
11.5
11.5. Analysis
Comparison 11 Physical activity advice plus omega 3 versus no physical activity advice plus omega 3, Outcome 5 Quality of life: IBDQ.
12.1
12.1. Analysis
Comparison 12 Physical activity advice plus placebo versus no physical activity advice plus placebo, Outcome 1 Fatigue: FACIT‐F.
12.2
12.2. Analysis
Comparison 12 Physical activity advice plus placebo versus no physical activity advice plus placebo, Outcome 2 Fatigue: MFI.
12.3
12.3. Analysis
Comparison 12 Physical activity advice plus placebo versus no physical activity advice plus placebo, Outcome 3 Fatigue: IBD‐F Section I.
12.4
12.4. Analysis
Comparison 12 Physical activity advice plus placebo versus no physical activity advice plus placebo, Outcome 4 Fatigue: IBD‐F Section II.
12.5
12.5. Analysis
Comparison 12 Physical activity advice plus placebo versus no physical activity advice plus placebo, Outcome 5 Quality of life: IBDQ.
13.1
13.1. Analysis
Comparison 13 Physical activity advice plus placebo versus no physical activity advice plus omega 3, Outcome 1 Fatigue: FACIT‐F.
13.2
13.2. Analysis
Comparison 13 Physical activity advice plus placebo versus no physical activity advice plus omega 3, Outcome 2 Fatigue: MFI.
13.3
13.3. Analysis
Comparison 13 Physical activity advice plus placebo versus no physical activity advice plus omega 3, Outcome 3 Fatigue: IBD‐F Section I.
13.4
13.4. Analysis
Comparison 13 Physical activity advice plus placebo versus no physical activity advice plus omega 3, Outcome 4 Fatigue: IBD‐F Section II.
13.5
13.5. Analysis
Comparison 13 Physical activity advice plus placebo versus no physical activity advice plus omega 3, Outcome 5 Quality of life: IBDQ.

Update of

References

References to studies included in this review

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Colombel 2007 {published data only}
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    1. Rubin D, Rutgeerts P, Colombel J, Wu E, Yu A, Chao J, et al. Adalimumab maintenance therapy and health related quality of life in TNT‐antagonist‐naïve patients with Crohn’s disease. Journal of the Canadian Association of Gastroenterology 2009;23(1):S118.
Colombel 2017 {published data only}
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    1. Panaccione R, Colombel JF, Bossuyt P, Baert F, Vanasek T, Danalioglu A, et al. DOP071 Tight control with adalimumab‐based treatment is associated with improved quality of life outcomes in patients with moderate to severely active Crohn’s disease: data from CALM. Journal of Crohn's and Colitis 2018;12:S078‐9.
Feagan 2013 {published data only}
    1. Feagan BG, Rutgeerts P, Sands BE, Hanauer S, Colombel JF, Sandborn WJ, et al. Vedolizumab as induction and maintenance therapy for ulcerative colitis. New England Journal of Medicine 2013;369(8):699‐710. - PubMed
    1. NCT00783718. A phase 3, randomized, placebo‐controlled, blinded, multicenter study of the induction and maintenance of clinical response and remission by MLN0002 in patients with moderate to severe ulcerative colitis. clinicaltrials.gov/ct2/show/NCT00783718 (first received 2 November 2008).
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García‐Vega 2004 {published data only}
    1. García‐Vega E, Fernandez‐Rodriguez C. A stress management programme for Crohn’s disease. Behaviour Research and Therapy 2004;42(4):367‐83. - PubMed
Gasche 2015 {published data only}
    1. Gasche C, Ahmad T, Tulassay Z, Baumgart DC, Bokemeyer B, Büning C, et al. Ferric Maltol is effective in correcting iron deficiency anaemia in patients with inflammatory bowel disease: results from a Phase‐3 clinical trial program. Inflammatory Bowel Diseases 2015;21(3):579‐88. - PMC - PubMed
Hetzel 2013a {published data only}
    1. Hetzel D, Barish C, Dahl N, Bernard K, Lau G, Strauss W. Efficacy and safety of intravenous Ferunoxytol for the treatment of iron deficiency anaemia in patients with inflammatory bowel disease. Inflammatory Bowel Diseases 2013;19(Supplement 1):S81‐2.
    1. Hetzel D, Ford D, Dahl N, Strauss W. Intravenous (IV) ferumoxytol (FER) for the treatment of iron deficiency anaemia (IDA) in patients with inflammatory bowel disease (IBD): efficacy, safety and health‐related quality of life (HRQOL). Journal of Crohn's and Colitis 2014;8:S248‐9.
Horta 2017 {published and unpublished data}
    1. Horta D, Sanchez‐Lloansi M, Lira A, Villoria A, Teggiachi M, Garcia D, et al. A prospective randomised study: electroacupuncture vs. sham procedure for the treatment of fatigue in patients with quiescent inflammatory bowel disease. United European Gastroenterology Journal 2017;5(Supplement 1):A293‐4.
McNelly 2016 {published data only}
    1. McNelly AS, Nathan I, Monti M, Grimble GK, Norton C, Bredin F, et al. Inflammatory bowel disease and fatigue: the effect of physical activity and/or omega‐3 supplementation. Journal of Crohn's and Colitis 2016;10:S370‐1.
    1. McNelly AS, Nathan I, Monti M, Grimble GK, Norton C, Bredin F, et al. The effect of increasing physical activity and/or omega‐3 supplementation on fatigue in inflammatory bowel disease. Gastrointestinal Nursing 2016;14(8):39‐50.
Raftery 2013 {published data only}
    1. NCT01792388. Vitamin D and its effects on inflammation and intestinal permeability in Crohn's disease in remission. clinicaltrials.gov/ct2/show/NCT01792388 (first received 15 February 2013).
    1. Raftery TC, Healy M, Cox G, McNamara D, O’ Sullivan M. Vitamin D supplementation improves muscles strength, fatigue and quality of life in patients with Crohn’s disease in remission: results of a randomised double‐blind placebo‐controlled study. Gastroenterology 2013;144(5):S227.
Sandborn 2013 {published data only}
    1. NCT00783692. A phase 3, randomized, placebo‐controlled, blinded, multicenter study of the induction and maintenance of clinical response and remission by vedolizumab (MLN0002) in patients with moderate to severe Crohn's Disease. clinicaltrials.gov/ct2/show/study/NCT00783692 (first received 2 November 2008).
    1. Rubin DT, Tudor D, Khalid JM, Patel H. P570 Improvements in subcomponents of the inflammatory bowel disease questionnaire in patients treated with vedolizumab: results from GEMINI trial data. Journal of Crohn's and Colitis 2018;12(Supplement 1):S394‐5.
    1. Sandborn WJ, Feagan BG, Rutgeerts P, Hanauer S, Colombel JF, Sands BE, et al. Vedolizumab as induction and maintenance therapy for Crohn's disease. New England Journal of Medicine 2013;369(8):711‐21. - PubMed
Therkelsen 2016a {published data only}
    1. Therkelsen SP, Hetland G, Lyberg T, Lygren I, Johnson E. Effect of a medicinal agaricus blazei murill‐based mushroom extract, AndoSan™, on symptoms, fatigue and quality of life in patients with ulcerative colitis in a randomized single‐blinded placebo controlled study. PlOS One 2016;11(3):e0150191. - PMC - PubMed
Therkelsen 2016b {published data only}
    1. Therkelsen SP, Hetland G, Lyberg T, Lygren I, Johnson E. Effect of the medicinal agaricus blazei murill‐based mushroom extract, AndoSanTM, on symptoms, fatigue and quality of life in patients with Crohn’s Disease in a randomized single‐blinded placebo controlled study. PLOS One 2016;11(7):e0159288. - PMC - PubMed
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References to studies excluded from this review

Boye 2011 {published data only}
    1. Boye B, Lundin KE, Jantschek G, Leganger S, Mokleby K, Tangen T, et al. INSPIRE study: does stress management improve the course of inflammatory bowel disease and disease specific quality of life in distressed patients with ulcerative colitis or Crohn's disease? A randomised controlled trial. Inflammatory Bowel diseases 2011;17(9):1863‐73. - PubMed
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Dewint 2014 {published data only}
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Ford 2016 {published data only}
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Hetzel 2013b {published data only}
    1. Hetzel D, Strauss W, Bernard K. IV iron treatment of iron deficiency anaemia with ferumoxytol in patients with gastrointestinal disorders unable to take oral iron: a randomised controlled trial versus iron sucrose. Journal of Crohn's and Colitis 2013;7:S204.
Leiper 2001 {published data only}
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Lichtenstein 2002 {published data only}
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Loftus 2009 {published data only}
    1. Loftus E, Colombel J, Pollack P, Majethia S, Chen N. Adalimumab treatment associated with rapid and significant improvement in health‐related quality of life in patients with Crohn’s disease. Journal of the Canadian Association of Gastroenterology 2009;23(1).
Loftus 2017 {published data only}
    1. Loftus EV, Colombel JF, Feagan BG, Vermeire S, Sandborn WJ, Sands BE, et al. Long‐term efficacy of vedolizumab for ulcerative colitis. Journal of Crohn's and Colitis 2017;11(4):400‐11. - PubMed
Maragkoudaki 2016 {published data only}
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Mikocka‐Walus 2017 {published data only}
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Minderhoud 2007 {published data only}
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NCT01991314 {published data only}
    1. NCT01991314. Treatment of iron deficiency anaemia in adults and adolescents with inflammatory bowel disease using ferrous sulphate: tolerance and effects on haemoglobin, mood, quality of life and fatigue. clinicaltrials.gov/ct2/show/NCT01991314 (first received 25 November 2013).
NCT02148718 {published data only}
    1. NCT02148718. Rapidity of onset of response to adalimumab in luminal Crohn's disease (RAPIDA Study). clinicaltrials.gov/ct2/show/NCT02148718 (first received 28 May 2014).
NCT02162862 {published data only}
    1. NCT02162862. Treating disrupted sleep in individuals with inflammatory bowel disease: a novel adjunctive therapy for chronic inflammatory illness. clinicaltrials.gov/ct2/show/NCT02162862 (first received 13 June 2014).
Paramsothy 2017 {published data only}
    1. Paramsothy S, Kamm MA, Kaakoush NO, Walsh AJ, Bogaerde J, Samuel D, et al. Multidonor intensive faecal microbiota transplantation for active ulcerative colitis: a randomised placebo‐controlled trial. Lancet 2017;389(10075):1218‐28. - PubMed
Pena Rossi 2009 {published data only}
    1. Pena Rossi C, Hanauer SB, Tomasevic R, Hunter JO, Shafran I, Graffner H. Interferon beta‐1a for the maintenance of remission in patients with Crohn's disease: results of a phase II dose‐finding study. BMC Gastroenterology 2009;9:22. - PMC - PubMed
Persoons 2007 {published data only}
    1. Persoons P, Demyttenaere K, Vandenberghe J, Oudenhove L, Rugeerts P. The evolution of fatigue in patients with Crohn's disease after treatment with infliximab: a prospective study. Gastroenterology 2004;126(4):A476.
Reusch 2016 {published data only}
    1. Reusch A, Weiland R, Gerlich C, Dreger K, Derra C, Mainos D, et al. Self‐management education for rehabilitation inpatients suffering from inflammatory bowel disease: a cluster randomized controlled trial. Health Education Research 2016;31(6):782‐91. - PubMed
Sands 2008 {published data only}
    1. Sands BE, Sandborn WJ, Feagan B, Löfberg R, Hibi T, Wang T, et al. A randomised, double‐blind, sham‐controlled study of granulocyte/monocyte apheresis for active ulcerative colitis. Gastreoenterology 2008;135(2):400‐9. - PubMed
Sands 2013 {published data only}
    1. Sands BE, Katz S, Wolf DC, Feagan BG, Wang T, Gustofson L‐M, et al. A randomised, double‐blind, sham‐controlled study of granulocyte apheresis for moderate to severe Crohn's disease. Gut 2013;62(9):1288‐94. - PubMed
Schmidt 2016 {published data only}
    1. Schmidt C, Ahmad T, Tulassay Z, Baumgart DC, Bokemeyer B, Howaldt S, et al. Ferric maltol therapy for iron deficiency anaemia in patients with inflammatory bowel disease: long‐term extension data from a phase 3 study. Alimentary Pharmacology and Therapeutics 2016;44:259‐70. - PMC - PubMed
Scholten 2018 {published data only}
    1. Scholten AM, Vermeulen E, Dhonukshe‐Rutten RA, Verhagen T, Visscher A, Olivier A, et al. Surplus vitamin B12 use does not reduce fatigue in patients with irritable bowel syndrome or inflammatory bowel disease: a randomized double‐blind placebo‐controlled trial. Clinical Nutrition European Society for Clinical Nutrition and Metabolism 2018;23:48‐53. - PubMed
Schreiber 2007 {published data only}
    1. Schreiber S, Keshavarzian A, Isaacs KL, Schollenberger J, Guzman JP, Orlandi C, et al. A randomised, placebo‐controlled, phase II study of tetomilast in active ulcerative colitis. Gastroenterology 2007;132(1):76‐86. - PubMed
Smith 2011 {published data only}
    1. Smith JP, Bingaman SI, Ruggiero F, Mauger DT, Mukherjee A, McGovern CO, et al. Therapy with the opioid antagonist naltrexone promotes mucosal healing in active Crohn's disease: a randomised placebo‐controlled trial. Digestive Diseases and Sciences 2011;56(7):2088‐97. - PMC - PubMed
Smith 2013 {published data only}
    1. Smith JP, Field D, Bingaman S, Evans R, Mauger D. Safety and tolerability of low dose naltrexone therapy in children with moderate to severe Crohn's disease: a pilot study. Journal of Clinical Gastroenterology 2013;47(4):339‐45. - PMC - PubMed
Steinhart 2002 {published data only}
    1. Steinhart AH, Feagan BG, Wong CJ, Vandervoort M, Mikolainis S, Croitoru K, et al. Combined budesonide and antibiotic therapy for active Crohn's disease: a randomised controlled trial. Gastroenterology 2002;123(1):33‐40. - PubMed
Szigethy 2016 {published data only}
    1. Szigethy E, McAuliff K, Strassburger M, Hashash J, Vachon A, Rode NM, et al. Brief behavioral therapy and bupropion for sleep and fatigue in adolescents and young adults with inflammatory bowel disease. Journal of the American Academy of Child and Adolescent Psychiatry 2016;55(10):S210.
Targan 2007 {published data only}
    1. Targan SR, Feagan BG, Fedorak RN, Lashner BA, Panaccione R, Present DH, et al. Natalizumab for the treatment of active Crohn's disease: results of the ENCORE trial. Gastroenterology 2007;132(5):1672‐83. - PubMed
Valentine 2009 {published data only}
    1. Valentine JF, Fedorak RN, Feagan B, Fredlund P, Schmitt R, Ni P, et al. Steriod‐sparing properties of sargramostim in patients with corticosteroid‐dependent Crohn's disease: a randomised, double‐blind, placebo‐controlled, phase 2 study. Gut 2009;58(10):1354‐62. - PubMed
Van Assche 2012 {published data only}
    1. Assche G, Vermeire S, Ballet V, Gabriels F, Noman M, D'Haens G, et al. Switch to adalimumab in patients with Crohn's disease controlled by maintenance infliximab: prospective randomised SWITCH trial. Gut 2012;61(2):229‐34. - PubMed
Vermeire 2017 {published data only}
    1. Vermeire S, Loftus EV, Colombel JF, Feagan BG, Sandborn WJ, Sands BE. Long‐term efficacy of vedolizumab for Crohn’s Disease. Journal of Crohn's and Colitis 2017;11(4):412‐24. - PubMed

References to studies awaiting assessment

Ghosh 2019 {published data only}
    1. Ghosh S, Aberra F, Cross R, Zhou W, Chen N, Lee WJ, et al. Effect of upadacitinib on patient‐reported symptoms by the new ulcerative colitis symptoms questionnaire (UC‐SQ) in patients with moderate to severe ulcerative colitis: data from the Phase 2b study U‐ACHIEVE. Journal of Crohn's and Colitis 2019;13:S247‐S248.
    1. NCT02819635. A multicenter, randomized, double‐blind, placebo‐controlled study to evaluate the safety and efficacy of upadacitinib (ABT‐494) for induction and maintenance therapy in subjects with moderately to severely active ulcerative colitis. clinicaltrials.gov/ct2/show/NCT02819635 (first received 30 June 2016).
Louis 2019 {published data only}
    1. Louis E, Sandborn WJ, D'Haens G, Baert F, Kalabic J, Wallace K, et al. Effect of risankizumab on improved and sustained quality of life in patients with moderate to severe Crohn's disease: phase 2 trial results. Journal of Crohn's and Colitis 2019;13:S291‐S292.
    1. NCT02031276. A phase II, multicenter, randomized, double‐blind, multiple dose, placebo‐controlled, parallel‐group study to evaluate the efficacy, pharmacokinetics, and safety of BI 655066/ABBV‐066 (risankizumab), and IL‐23 p19 antagonist monoclonal antibody in patients with ,moderately to severely active Crohn's disease who are naïve to, or were previously treated with, anti‐TNF therapy. clinicaltrials.gov/ct2/show/NCT02031276 (first received 9 January 2014).
O' Connor 2019 {published data only}
    1. NCT02709434. The efficacy of a structured psychoeducational inflammatory bowel disease group on the control of fatigue in an adult outpatient setting for patients with objectively quiescent disease. ClinicalTrials.gov/show/NCT02709434 (first received 16 March 2016).
    1. O'Connor A, Ratnakumaran R, Warren L, Pullen D, Errington A, Gracie DJ, et al. Randomized controlled trial: a pilot study of a psychoeducational intervention for fatigue in patients with quiescent inflammatory bowel disease. Therapeutic Advances in Chronic Disease 2019;10:1‐12. [DOI: 10.1177/2040622319838439] - DOI - PMC - PubMed
Sands 2018 {published data only}
    1. Sands BE, Pires A, Gasink C, Laliman V, Han C, Feagan BG. Post hoc analysis of the impact of ustekinumab treatment on specific items of the Inflammatory Bowel Disease Questionnaire in the Uniti‐1 & 2 programs. Gastroenterology 2018;154:S‐811.
Tew 2019 {published data only}
    1. ISRCTN13021107. A randomised controlled trial investigating the feasibility and acceptability of high‐intensity interval training and moderate‐intensity continuous training in adults with inactive or mildly active Crohn’s disease. www.isrctn.com/ISRCTN13021107 (first received 2 December 2015).
    1. Tew GA, Leighton D, Carpenter R, Anderson S, Langmead L, Ramage J, et al. High‐intensity interval training and moderate‐intensity continuous training in adults with Crohn's disease: a pilot randomised controlled trial. BMC Gastroenterology 2019;19(1):19. - PMC - PubMed

References to ongoing studies

ACTN12617000586314P {published data only}
    1. ACTRN12617000586314P. A prospective randomized multicentre study to evaluate the effect of intravenous iron infusion compared to oral iron supplementation on the quality of life in inflammatory bowel disease with non‐anaemia hypoferritinanaemia. https://www.anzctr.org.au/Trial/Registration/TrialReview.aspx?id=372758 (first received 17 April 2017).
ACTRN12619000150145 {published data only}
    1. ACTRN12619000150145. Influence of extra virgin olive oil intake on disease activity and gut microbiota profile of community dwelling adults with ulcerative colitis in comparison to healthy subjects. https://www.anzctr.org.au/Trial/Registration/TrialReview.aspx?id=375208 (first received 24 January 2019).
EudraCT Number: 2008‐004277‐17 {published data only}
    1. EudraCT Number: 2008‐004277‐17. The effectiveness and tolerability of GlobiFer (haem iron) tablets compared to ferrous sulphate tablets in inflammatory bowel disease: a randomised‐controlled trial. https://www.clinicaltrialsregister.eu/ctr‐search/trial/2008‐004277‐17/GB (first received 15 March 2010).
EudraCT Number: 2011‐002122‐43 {published data only}
    1. EudraCT Number: 2011‐002122‐43. Iron therapy in IBD patients with normal levels of haemoglobin and chronic fatigue. https://www.clinicaltrialsregister.eu/ctr‐search/search?query=2011‐00212... (first received).
EudraCT Number: 2012‐005644‐26 {published data only}
    1. EUCTR2012‐005644‐26‐BE. Administration of intravenous ferric carboxymaltose to children with IBD. https://www.clinicaltrialsregister.eu/ctr‐search/search?query=EUCTR2012‐... (first received ).
ISRCTN11470370 {published data only}
    1. ISRCTN11470370. Effects of a 6‐month practical resistance training programme on muscle function and bone mineral density in adults with inactive or mildly active Crohn’s disease: Study protocol for a randomised controlled trial. http://www.isrctn.com/ISRCTN11470370 (first received 11 December 2017).
NCT02193750 {published data only}
    1. NCT02193750. Assessing the tolerability of oligosaccharide supplementation in patients with Crohn's disease: A randomized, controlled trial. https://clinicaltrials.gov/ct2/show/NCT02193750 (first received 18 July 2014).
NCT02208310 {published data only}
    1. NCT02208310. A randomised controlled trial of high‐dose vitamin D in Crohn's disease. https://clinicaltrials.gov/ct2/show/NCT02208310 (first received 5 August 2014).
NCT02517151 {published data only}
    1. NCT02517151. Effects of iron therapy in patients with chronic fatigue and IBD. https://clinicaltrials.gov/ct2/show/NCT02517151 (first received 6 August 2015).
NCT02704624 {published data only}
    1. NCT02704624. The impact of serum vitamin D and calcium levels on the body composition, bone mineral density, muscle strength, exercise tolerance, fatigue and inflammatory activity in patients with Crohn's disease: a randomized controlled trial. https://ClinicalTrials.gov/show/NCT02704624 (first received 10 March 2016).
NCT02707068 {published data only}
    1. NCT02707068. Quality Of LIfe Tool for IBD (QOLITI): pilot testing of a self‐administered intervention to target psychological distress in inflammatory bowel disease. https://clinicaltrials.gov/show/NCT02707068 (first received 14 March 2016).
NCT02772965 {published data only}
    1. NCT02772965. A randomized, double‐blind, placebo‐controlled, multi‐center pragmatic clinical trial to evaluate the effectiveness of low dose oral methotrexate in patients with pediatric Crohn's disease initiating anti‐TNF therapy. https://clinicaltrials.gov/ct2/show/NCT02772965 (first received 16 May 2016).
NCT02849717 {published data only}
    1. NCT02849717. Pre‐habilitation exercise intervention for patients scheduled for colorectal surgical resection. clinicaltrials.gov/ct2/show/NCT02849717 (first received 29 July 2016).
NCT02861053 {published data only}
    1. NCT02861053. Inflammatory Bowel Disease: Could a regular physical activity reduce patients fatigue?. https://clinicaltrials.gov/ct2/show/NCT02861053 (first received 10 August 2016).
NCT02891226 {published data only}
    1. NCT02891226. A phase 2, multicenter, randomized, parallel‐arm, placebo‐controlled study of LY3074828 in subjects with active Crohn's Disease (SERENITY). https://clinicaltrials.gov/ct2/show/NCT02891226 (first received 7 September 2016).
NCT02963246 {published data only}
    1. NCT02963246. Effects of a mindfulness therapy intervention for individuals with inflammatory bowel disease: a randomized controlled trial. https://clinicaltrials.gov/ct2/show/NCT02963246 (first received 15 November 2016).
NCT03104413 {published data only}
    1. NCT03104413. A multicenter, randomized, double‐blind, placebo‐controlled induction study to assess the efficacy and safety of Risankizumab in subjects with moderately to severely active Crohn's disease who failed prior biologic treatment. https://clinicaltrials.gov/show/NCT03104413 (first received 7 April 2017).
NCT03105102 {published data only}
    1. NCT03105102. A multicenter, randomized, double‐blind, placebo controlled 52‐week maintenance and an open‐label extension study of the efficacy and safety of Risankizumab in subjects with Crohn's disease who responded to induction treatment in M16‐006 or M15‐991; or completed M15‐989. ClinicalTrials.gov/show/NCT03105102 (first received 7 April 2017).
NCT03105128 {published data only}
    1. NCT03105128. A multicenter, randomized, double‐blind, placebo controlled induction study of the efficacy and safety of Risankizumab in subjects with moderately to severely active Crohn's disease. ClinicalTrials.gov/show/NCT03105128 (first received 7 April 2017).
NCT03107793 {published data only}
    1. NCT03107793. Study of treat to target versus routine care maintenance strategies in Crohn's disease patients treated with Ustekinumab. clinicaltrials.gov/ct2/show/NCT03107793 (first received 11 April 2017).
NCT03162575 {published data only}
    1. NCT03162575. The possible beneficial effects of mindfulness‐based cognitive therapy (MBCT) in fatigued adult patients with Inflammatory Bowel Disease (IBD). clinicaltrials.gov/ct2/show/NCT03162575 (first received 22 May 2017).
NCT03266484 {published data only}
    1. NCT03266484. Effect of dietary therapy with a probiotic mixture on the gut microbiome and fatigue symptoms in patients with quiescent inflammatory bowel disease ‐ A clinical trial. clinicaltrials.gov/ct2/show/NCT03266484 (first received 30 August 2017).
NCT03345823 {published data only}
    1. NCT03345823. A multicenter, randomized, double‐blind, placebo‐controlled maintenance and long‐term extension study of the efficacy and safety of Upadacitinib (ABT‐494) in subjects with Crohn's disease who completed the studies M14‐431 or M14‐433. clinicaltrials.gov/ct2/show/NCT03345823 (first received 17 November 2017).
NCT03345836 {published data only}
    1. NCT03345836. A multicenter, randomized, double‐blind, placebo‐controlled induction study of the efficacy and safety of Upadacitinib (ABT‐494) in subjects with moderately to severely active Crohn's disease who have inadequately responded to or are intolerant to biologic therapy. clinicaltrials.gov/ct2/show/NCT03345836 (first received 17 November 2017).
NCT03345849 {published data only}
    1. NCT03345849. A multicenter, randomized, double‐blind, placebo‐controlled induction study of the efficacy and safety of Upadacitinib (ABT‐494) in subjects with moderately to severely active Crohn's disease who have inadequately responded to or are Intolerant to conventional and/or biologic therapies. clinicaltrials.gov/ct2/show/NCT03345849 (first received 17 November 2017).
NCT03398135 {published data only}
    1. NCT03398135. A multicenter, randomized, double‐blind, placebo controlled 52‐week maintenance and an open‐label extension study of the efficacy and safety of Risankizumab in subjects with ulcerative colitis who responded to induction treatment in M16‐067 or M16‐065. clinicaltrials.gov/ct2/show/NCT03398135 (first received 12 January 2018).
NCT03398148 {published data only}
    1. NCT03398148. A multicenter, randomized, double‐blind, placebo controlled induction study to evaluate the efficacy and safety of Risankizumab in subjects with moderately to severely active ulcerative colitis who have failed prior biologic therapy. clinicaltrials.gov/ct2/show/NCT03398148 (first received 12 January 2018).
NCT03456752 {published data only}
    1. NCT03456752. The Impact of perioperative dexamethasone on postoperative outcome in inflammatory bowel diseases. clinicaltrials.gov/ct2/show/NCT03456752 (first received 7 March 2018).
NCT03466411 {published data only}
    1. NCT03466411. A phase 2/3, randomized, double‐blind, placebo‐ and active‐controlled, parallel‐group, multicenter protocol to evaluate the efficacy and safety of Guselkumab in participants with moderately to severely active Crohn's disease. clinicaltrials.gov/ct2/show/NCT03466411 (first received 15 March 2018).
NCT03574948 {published data only}
    1. NCT03574948. Multicentric, double‐blind, placebo controlled clinical trial with 5‐hydroxytryptophan (5‐HTP) in patients with inflammatory bowel disease in clinical and biologic remission: effect on fatigue scores. clinicaltrials.gov/ct2/show/NCT03574948 (first received 2 July 2018).

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