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Dive into the research topics where Sanne L. Nijhof is active.

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Featured researches published by Sanne L. Nijhof.


The Lancet | 2012

Effectiveness of internet-based cognitive behavioural treatment for adolescents with chronic fatigue syndrome (FITNET): a randomised controlled trial

Sanne L. Nijhof; Gijs Bleijenberg; Cuno S.P.M. Uiterwaal; Jan L. L. Kimpen; Elise M. van de Putte

BACKGROUND Chronic fatigue syndrome is characterised by persistent fatigue and severe disability. Cognitive behavioural therapy seems to be a promising treatment, but its availability is restricted. We developed Fatigue In Teenagers on the interNET (FITNET), the first dedicated internet-based therapeutic program for adolescents with this disorder, and compared its effectiveness with that of usual care. METHODS Adolescents aged 12-18 years with chronic fatigue syndrome were assigned to FITNET or usual care in a 1:1 ratio at one tertiary treatment centre in the Netherlands by use of a computer-generated blocked randomisation allocation schedule. The study was open label. Primary outcomes were school attendance, fatigue severity, and physical functioning, and were assessed at 6 months with computerised questionnaires. Analysis was by intention to treat. Thereafter, all patients were offered FITNET if needed. This trial is registered, number ISRCTN59878666. FINDINGS 68 of 135 adolescents were assigned to FITNET and 67 to usual care, and 67 and 64, respectively, were analysed. FITNET was significantly more effective than was usual care for all dichotomised primary outcomes at 6 months-full school attendance (50 [75%] vs 10 [16%], relative risk 4·8, 95% CI 2·7-8·9; p<0·0001), absence of severe fatigue (57 [85%] vs 17 [27%], 3·2, 2·1-4·9; p<0·0001), and normal physical functioning (52 [78%] vs 13 [20%], 3·8, 2·3-6·3; p<0·0001). No serious adverse events were reported. INTERPRETATION FITNET offers a readily accessible and highly effective treatment for adolescents with chronic fatigue syndrome. The results of this study justify implementation on a broader scale. FUNDING Netherlands Organisation for Health Research and Development.


Psychoneuroendocrinology | 2014

The role of hypocortisolism in chronic fatigue syndrome.

Sanne L. Nijhof; Juliette M.T.M. Rutten; Cuno S.P.M. Uiterwaal; Gijs Bleijenberg; Jan L. L. Kimpen; Elise M. van de Putte

BACKGROUND There is accumulating evidence of hypothalamic-pituitary-adrenal (HPA) axis hypofunction in chronic fatigue syndrome (CFS). However, knowledge of this hypofunction has so far come exclusively from research in adulthood, and its clinical significance remains unclear. The objective of the current study was to assess the role of the HPA-axis in adolescent CFS and recovery from adolescent CFS. METHOD Before treatment, we compared the salivary cortisol awakening response of 108 diagnosed adolescent CFS patients with that of a reference group of 38 healthy peers. Salivary cortisol awakening response was measured again after 6 months of treatment in CFS patients. RESULTS Pre-treatment salivary cortisol levels were significantly lower in CFS-patients than in healthy controls. After treatment recovered patients had a significant rise in salivary cortisol output attaining normalization, whereas non-recovered patients improved slightly, but not significantly. The hypocortisolism found in CFS-patients was significantly correlated to the amount of sleep. Logistic regression analysis showed that an increase of one standard deviation in the difference between pre- and post-treatment salivary cortisol awakening response was associated with a 93% higher odds of recovery (adjusted OR 1.93 (1.18 to 3.17), p=0.009). Pre-treatment salivary cortisol did not predict recovery. CONCLUSIONS Hypocortisolism is associated with adolescent CFS. It is not pre-treatment cortisol but its change to normalization that is associated with treatment success. We suggest that this finding may have clinical implications regarding the adaptation of future treatment strategies.


Pediatrics | 2013

Internet-Based Therapy for Adolescents With Chronic Fatigue Syndrome: Long-term Follow-up

Sanne L. Nijhof; L. P. Priesterbach; C S P M Uiterwaal; Gijs Bleijenberg; Jan L. L. Kimpen; E. M. van de Putte

OBJECTIVE: Cognitive behavioral therapy (CBT) is known to be an effective treatment of adolescents with chronic fatigue syndrome (CFS), but its availability is limited. Fatigue in Teenagers on the Internet (FITNET), an Internet-based CBT program for adolescents with CFS, has been developed as an alternative to face-to-face CBT. Recently, its short-term effectiveness has been proven in a randomized clinical trial. Here we aimed to assess the long-term outcome of CFS in adolescents after FITNET treatment and after usual care. In addition, factors related to recovery at long-term follow-up (LTFU) for adolescents treated with the FITNET program were investigated. METHODS: The study was an LTFU of participants of the FITNET trial. Data were completed for 112 (88.2%) of 127 approached FITNET study participants. Primary outcomes were fatigue severity (Checklist Individual Strength–20), physical functioning (87-item Child Health Questionnaire), and school/work attendance. RESULTS: After a mean follow-up of 2.7 years, 66 (58.9%) adolescents had recovered from CFS. Most adolescents who recovered directly after treatment with FITNET were still recovered at LTFU. At LTFU there was no difference between the recovery rates for the different treatment strategies (original randomization: FITNET [64%] versus any form of usual care [52.8%]). Per additional month of “pretreatment disease duration,” the odds for recovery were 4% lower (odds ratio: 0.96; 95% confidence interval: 0.93–0.99; P = .016), and per added point on “focus on bodily symptoms” (Body Consciousness Scale) of the mother (0–20 points) the odds for recovery were 11% lower (odds ratio: 0.89; 95% confidence interval: 0.80–0.99; P = .029). CONCLUSIONS: The short-term effectiveness of Internet-based CBT on adolescent CFS is maintained at LTFU. At LTFU, usual care led to similar recovery rates, although these rates were achieved at a slower pace.


BMC Neurology | 2011

Fatigue In Teenagers on the interNET - The FITNET Trial. A randomized clinical trial of web-based cognitive behavioural therapy for adolescents with chronic fatigue syndrome: study protocol. (ISRCTN59878666)

Sanne L. Nijhof; Gijs Bleijenberg; Cuno S.P.M. Uiterwaal; Jan L. L. Kimpen; Elise M. van de Putte

BackgroundChronic Fatigue Syndrome (CFS) is increasingly recognized as a cause of disability and inactivity in adolescents in the Netherlands. CFS is characterized by unexplained fatigue lasting more than 6 months. Cognitive Behavioural Therapy (CBT) has proven to be effective. However, CBT availability for adolescents with CFS is limited and requires special therapeutic skills not always readily available. An alternative to the face-to-face CBT is FITNET, a web-based therapeutic program designed specifically for adolescents diagnosed with CFS, and their parents. This new CBT approach appeals to the modern youth, who grow up with internet as their main source of information. A web-based program offers the opportunity to lower thresholds for the acceptance and realization of healthcare. This treatment can be activated at any chosen time. The communication between patient and therapist can elapse asynchronously. If effective, this web-based program would greatly increase the therapeutic accessibility.Methods/DesignA randomized clinical trial is currently conducted. One-hundred-forty adolescents aged 12-18 years diagnosed with CFS will be recruited and randomized to one of two groups: FITNET or usual care. After 6 months, the usual care group will have access to the FITNET program. Outcomes will be assessed at baseline, post intervention, and at 6 months follow-up. Primary outcome measures are school presence, fatigue severity, and physical functioning.DiscussionThe FITNET study is the first randomized clinical trial which evaluates the effect of web-based CBT versus usual care in adolescents with CFS. The intervention is based on a theoretical existing model of CBT for patients with CFS. The results of this study will provide information about the possibility and efficacy of web-based CBT for adolescents with CFS and will reveal predictors of efficacy.Trial registrationISRCTN: ISRCTN59878666 and ClinicalTrials.gov: NCT00893438


BMJ Open | 2015

Chronic fatigue syndrome (CFS) or myalgic encephalomyelitis (ME) is different in children compared to in adults : a study of UK and Dutch clinical cohorts

Simon M Collin; Roberto Nuevo; Elise M. van de Putte; Sanne L. Nijhof; Esther Crawley

Objective To investigate differences between young children, adolescents and adults with chronic fatigue syndrome/myalgic encephalomyelitis (CFS/ME). Study design Comparison of clinical cohorts from 8 paediatric and 27 adult CFS/ME services in the UK and a paediatric randomised controlled trial from the Netherlands. Outcome measures include: fatigue (the UK—Chalder Fatigue Scale); Disability (the UK—SF-36 physical function subscale; the Netherlands—CHQ-CF87); school attendance, pain, anxiety and depression (the UK—Hospital Anxiety & Depression Scale, Spence Childrens Anxiety Scale; the Netherlands—Spielberger State-Trait Anxiety Inventory for Children, Childrens Depression Inventory); symptoms; time-to-assessment; and body mass index. We used multinomial regression to compare younger (aged <12 years) and older (aged 12–18 years) children with adults, and logistic regression to compare UK and Dutch adolescents. Results Younger children had a more equal gender balance compared to adolescents and adults. Adults had more disability and fatigue, and had been ill for longer. Younger children were less likely to have cognitive symptoms (OR 0.18 (95% CI 0.13 to 0.25)) and more likely to present with a sore throat (OR 1.42 (1.07 to 1.90). Adolescents were more likely to have headaches (81.1%, OR 1.56 (1.36% to 1.80%)) and less likely to have tender lymph nodes, palpitations, dizziness, general malaise and pain, compared to adults. Adolescents were more likely to have comorbid depression (OR 1.51 (1.33 to 1.72)) and less likely to have anxiety (OR 0.46 (0.41 to 0.53)) compared to adults. Conclusions Paediatricians need to recognise that children with CFS/ME present differently from adults. Whether these differences reflect an underlying aetiopathology requires further investigation. Trial registration numbers FITNET trial registration numbers are ISRCTN59878666 and NCT00893438. This paper includes secondary (post-results) analysis of data from this trial, but are unrelated to trial outcomes.


European Journal of Pediatrics | 2016

The impact of chronic fatigue syndrome on cognitive functioning in adolescents

Linde N. Nijhof; Sanne L. Nijhof; Gijs Bleijenberg; Rebecca K. Stellato; Jan L. L. Kimpen; Hilleke E. Hulshoff Pol; Elise M. van de Putte

AbstractChronic fatigue syndrome (CFS) is characterized by persistent fatigue and severe disability. Most adolescent patients report attention and concentration problems, with subsequent poor performance at school. This study investigated the impact of CFS on intellectual capacity by (1) assessing discrepancies between current intelligence quotient (IQ) and school level and (2) exploring differences in current IQ and pre-CFS school performance, compared with healthy individuals. Current data was cross-sectionally gathered and compared with retrospective pre-CFS school performance data. Fifty-nine CFS adolescents and 40 controls were evaluated on performance on age-appropriate intelligence tests and school level. Current IQ scores of CFS adolescents were lower than expected on the basis of their school level. Furthermore, there was a difference in intelligence performance across time when current IQ scores were compared with pre-CFS cognitive achievement. Healthy controls did not show any discrepancies. Conclusion: According to their pre-CFS intelligence assessments, CFS patients started with appropriate secondary school levels at the age of 12. Our data suggest that CFS may be accompanied by a decline in general cognitive functioning. Given the critical age for intellectual development, we recommend a timely diagnosis followed by appropriate treatment of CFS in adolescents.What is Known:• Adolescent chronic fatigue syndrome (CFS) is a debilitating condition with major impact on social and intellectual development.• Most patients report concentration problems, with subsequent poor performance at school. Little is known about the influence of CFS on intellectual performances.What is New:• IQ scores of CFS adolescents are lower than the IQ scores of healthy peers with an equivalent school level.• There is a decrease in intelligence performance across time when current IQ scores are compared with pre-CFS cognitive achievement. Healthy controls do not show any discrepancies between their current IQ, school level and previous cognitive functioning. This suggest that adolescent CFS may be accompanied by a decline in general cognitive functioning.


Pain Medicine | 2013

Functional improvement is accompanied by reduced pain in adolescent chronic fatigue syndrome

Sanne L. Nijhof; Loudy P. Priesterbach; Gijs Bleijenberg; Raoul H.H. Engelbert; Elise M. van de Putte

Dear Editor: Chronic fatigue syndrome (CFS) in adolescents is a complex, disabling condition characterized by severe and unexplained fatigue lasting more than 6 months, and often accompanied by pain symptoms. CFS in adolescents has substantial long-term consequences for educational and social development ⇓. Chronic pain symptoms in CFS are disabling and affect physical and social functioning ⇓. Adult patients with CFS show lower pain thresholds than healthy subjects ⇓. In a recently published review about pain in patients with CFS, Nijs et al. stated that pain appears to be one out of many symptoms related to central sensitization in adult CFS ⇓. They concluded that pain-catastrophizing thoughts and depression partly account for these pain symptoms. They suggested that it is important to understand the symptoms of pain in CFS better in order to assess whether it requires a specific treatment approach other than the main treatment focused on fatigue ⇓. Previous research has suggested to view the pathophysiological state of pain in CFS as an increase in the excitability and synaptic efficacy of neurons in central nociceptive pathways ⇓. We present original data on pain symptoms in adolescent CFS and their relation to treatment focused on fatigue. We hypothesized that adolescent CFS patients have a lowered pain threshold at the time of diagnosis and that both pain experience and pain threshold improve when CFS is successfully treated. Between November 2008 and February 2010, 83 adolescents (12–18 years) participating in the Fatigue In Teenagers on the interNET (FITNET) trial ⇓ were invited to participate in this longitudinal study on pain in adolescents with CFS, when attending their initial assessment at the University Medical Center Utrecht for the original FITNET trial ⇓. All patients agreed to participate (100%). They all complied with the U.S. Centers …


Critical Reviews in Oncology Hematology | 2018

Physical activity reduces fatigue in patients with cancer and hematopoietic stem cell transplant recipients: A systematic review and meta-analysis of randomized trials

Sapna Oberoi; Paula D. Robinson; Danielle Cataudella; S. Nicole Culos-Reed; Hailey Davis; Nathan Duong; Faith Gibson; Miriam Götte; Pamela S. Hinds; Sanne L. Nijhof; Deborah Tomlinson; Patrick van der Torre; Sandra Cabral; L. Lee Dupuis; Lillian Sung

PURPOSE Objective was to determine whether physical activity reduces the severity of fatigue in patients with cancer or hematopoietic stem cell transplant (HSCT) recipients. METHODS We conducted a meta-analysis of randomized trials comparing physical activity with control interventions for the management of fatigue in patients with cancer or HSCT recipients. RESULTS There were 170 trials included. Physical activity reduced the severity of fatigue when compared to all control groups (standardized mean difference -0.49, 95% confidence interval -0.60 to -0.37; P < 0.00001). Aerobic, neuromotor, resistance and combination exercises were all effective in reducing fatigue although smaller effects were observed with resistance exercises (P interaction = 0.01). Other intervention and patient characteristics did not influence the effect of physical activity on the severity of fatigue. CONCLUSIONS Physical activity was effective at reducing fatigue in patients with cancer and HSCT recipients across patient sub-groups. Determining the best approaches for safe implementation should be a priority.


Trials | 2018

Investigating the effectiveness and cost-effectiveness of FITNET-NHS (Fatigue In Teenagers on the interNET in the NHS) compared to Activity Management to treat paediatric chronic fatigue syndrome (CFS)/myalgic encephalomyelitis (ME): protocol for a randomised controlled trial

Sarah Baos; Amberly L C Brigden; Emma L Anderson; William Hollingworth; Simon Price; Nicola Mills; Lucy Beasant; Daisy M Gaunt; Kirsty Garfield; Chris Metcalfe; Roxanne M Parslow; Harriet Downing; David Kessler; John Macleod; Paul Stallard; Hans Knoop; Elise M. van de Putte; Sanne L. Nijhof; Gijs Bleijenberg; Esther Crawley

BackgroundPaediatric chronic fatigue syndrome or myalgic encephalomyelitis (CFS/ME) is a relatively common and disabling condition. The National Institute for Health and Clinical Excellence (NICE) recommends Cognitive Behavioural Therapy (CBT) as a treatment option for paediatric CFS/ME because there is good evidence that it is effective. Despite this, most young people in the UK are unable to access local specialist CBT for CFS/ME. A randomised controlled trial (RCT) showed FITNET was effective in the Netherlands but we do not know if it is effective in the National Health Service (NHS) or if it is cost-effective. This trial will investigate whether FITNET-NHS is clinically effective and cost-effective in the NHS.MethodsSeven hundred and thirty-four paediatric patients (aged 11–17 years) with CFS/ ME will be randomised (1:1) to receive either FITNET-NHS (online CBT) or Activity Management (delivered via video call). The internal pilot study will use integrated qualitative methods to examine the feasibility of recruitment and the acceptability of treatment. The full trial will assess whether FITNET-NHS is clinically effective and cost-effective. The primary outcome is disability at 6 months, measured using the SF-36-PFS (Physical Function Scale) questionnaire. Cost-effectiveness is measured via cost-utility analysis from an NHS perspective. Secondary subgroup analysis will investigate the effectiveness of FITNET-NHS in those with co-morbid mood disorders.DiscussionIf FITNET-NHS is found to be feasible and acceptable (internal pilot) and effective and cost-effective (full trial), its provision by the NHS has the potential to deliver substantial health gains for the large number of young people suffering from CFS/ME but unable to access treatment because there is no local specialist service. This trial will provide further evidence evaluating the delivery of online CBT to young people with chronic conditions.Trial registrationISRCTN registry, registration number: ISRCTN18020851. Registered on 4 August 2016.


Critical Reviews in Oncology Hematology | 2017

Mind and body practices for fatigue reduction in patients with cancer and hematopoietic stem cell transplant recipients: A systematic review and meta-analysis

Nathan Duong; Hailey Davis; Paula D. Robinson; Sapna Oberoi; Danielle Cataudella; S. Nicole Culos-Reed; Faith Gibson; Miriam Götte; Pamela S. Hinds; Sanne L. Nijhof; Deborah Tomlinson; Patrick van der Torre; Elena J. Ladas; Sandra Cabral; L. Lee Dupuis; Lillian Sung

PURPOSE To determine whether non-physical activity mind and body practices reduce the severity of fatigue in patients with cancer or hematopoietic stem cell transplant (HSCT) recipients compared to control interventions. METHODS We included randomized trials which compared non-physical activity mind and body practices compared with control interventions for the management of fatigue in cancer and HSCT patients. RESULTS Among 55 trials (4975 patients), interventions were acupuncture or acupressure (n=12), mindfulness (n=11), relaxation techniques (n=10), massage (n=6), energy therapy (n=5), energizing yogic breathing (n=3) and others (n=8). When combined, all interventions significantly reduced fatigue severity compared to all controls (standardized mean difference -0.51, 95% confidence interval -0.73 to -0.29). More specifically, mindfulness and relaxation significantly reduced fatigue severity. CONCLUSIONS Mindfulness and relaxation were effective at reducing fatigue severity in patients with cancer and HSCT recipients. Future studies should evaluate how to translate these findings into clinical practice across different patient groups.

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Gijs Bleijenberg

Radboud University Nijmegen

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Jan L. L. Kimpen

Boston Children's Hospital

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Pamela S. Hinds

Children's National Medical Center

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Faith Gibson

Great Ormond Street Hospital for Children NHS Foundation Trust

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Danielle Cataudella

London Health Sciences Centre

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Deborah Tomlinson

Hospital for Sick Children

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