Irritable Bowel Syndrome Clinical Trial
Official title:
Internet-delivered CBT for Irritable Bowel Syndrome in Adolescents - a Randomized Controlled Study
Verified date | August 2018 |
Source | Karolinska Institutet |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This randomized controlled trial aims to evaluate the treatment effects of an internet-delivered CBT-program for adolescents with irritable bowel syndrome.
Status | Completed |
Enrollment | 101 |
Est. completion date | November 18, 2017 |
Est. primary completion date | May 2016 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 13 Years to 17 Years |
Eligibility |
Inclusion Criteria: - Age 13-17 at inclusion date. - fulfilling Rome III-criteria for IBS with a written statement from patient's physician confirming a diagnosis of IBS and negative required tests (Blood samples: C-reactive protein or erythrocyte sedimentation rate, Blood count and IgA-Transglutaminase. Stool: f-Calprotectin). Exclusion Criteria: - concurrent serious medical conditions. - a psychiatric diagnosis, judged to be a more important treatment target than the abdominal pain. - on-going psychological treatment. - absence from school exceeding an average of 2 days a week is a cause for exclusion since high absence demands more intensive interventions than can be offered in ICBT. - on-going abuse or severe parental psychiatric illness in the family. - since treatment format assumes normal reading and writing skills, pronounced language skill deficits and learning difficulties lead to exclusion from the study. - lack of regular internet-access. |
Country | Name | City | State |
---|---|---|---|
Sweden | Child and Adolescent Psychiatry (CAP) Research Center | Stockholm | County Of Stockholm |
Lead Sponsor | Collaborator |
---|---|
Karolinska Institutet |
Sweden,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Gastrointestinal Symptom Rating Scale-IBS Version (GSRS-IBS). | Change in gastrointestinal symptoms measured with a self-rating scale from baseline to 10 weeks for analysis of effect. The GSRS-IBS have 13 items about weekly gastrointestinal symptoms like bloating, hard stool, abdominal pain etc. It is a seven-point Likert scale from 1 (no discomfort at all) to 7 (very severe discomfort). The GSRS-IBS has excellent psychometric properties with internal consistency between a = .74 (for abdominal pain) to a = .85 (for satiety). | Baseline to 10 weeks. | |
Primary | Gastrointestinal Symptom Rating Scale-IBS Version (GSRS-IBS). | Change in gastrointestinal symptoms measured with a self-rating scale from baseline to 9 months for analysis of effect. The GSRS-IBS have 13 items about weekly gastrointestinal symptoms like bloating, hard stool, abdominal pain etc. It is a seven-point Likert scale from 1 (no discomfort at all) to 7 (very severe discomfort). The GSRS-IBS has excellent psychometric properties with internal consistency between a = .74 (for abdominal pain) to a = .85 (for satiety). | Baseline to 9 months. | |
Primary | Gastrointestinal Symptom Rating Scale-IBS Version (GSRS-IBS). | Change in gastrointestinal symptoms measured with a self-rating scale from baseline to 15 months baseline for analysis of effect. The GSRS-IBS have 13 items about weekly gastrointestinal symptoms like bloating, hard stool, abdominal pain etc. It is a seven-point Likert scale from 1 (no discomfort at all) to 7 (very severe discomfort). The GSRS-IBS has excellent psychometric properties with internal consistency between a = .74 (for abdominal pain) to a = .85 (for satiety). | Baseline to 15 months. | |
Primary | Gastrointestinal Symptom Rating Scale-IBS Version (GSRS-IBS). | Change in gastrointestinal symptoms measured with a self-rating scale from baseline to 27 months for analysis of effect. The GSRS-IBS have 13 items about weekly gastrointestinal symptoms like bloating, hard stool, abdominal pain etc. It is a seven-point Likert scale from 1 (no discomfort at all) to 7 (very severe discomfort). The GSRS-IBS has excellent psychometric properties with internal consistency between a = .74 (for abdominal pain) to a = .85 (for satiety). | Baseline to 27 months. | |
Secondary | Faces pain scale - R | Change in pain intensity measured with a self-rating scale weekly during treatment for mediation analyses, and from baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months for analysis of effect.The Faces Pain Scale is a self-report measure used to assess the intensity of children's pain. Faces have four faces representing least pain and most pain on equal intervals on a scale from 0-10. Its validity is supported by a strong positive correlation (r=0.93, N=76) with a visual analogue scale (VAS) measure in children aged 5-12 years. The metric for scoring (0-10) conforms closely to a linear interval scale. | Weekly during treatment (treatment week 1-9). Baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months. | |
Secondary | IBS-behavioral responses questionnaire (IBS-BRQ). | Change in IBS-specific behaviors measured with a self-rating scale weekly during treatment for mediation analyses, and from baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months for analysis of effect. IBS-BRQ is a self-rating scale measuring IBS-specific behavioral responses shown to be unhelpful and probably maintain IBS-symptoms. The scale consists of 26 items on a seven-point Likert scale from 1 (never) to 7 (always). The scale includes items related to avoidance behavior such as "I avoid certain social situations (e.g. restaurants) because of my IBS" and to toilet behavior such as "I spend more time on the toilet than ideally I would like". IBS-BRQ is both reliable and valid with a high degree of internal consistency for adults with IBS (Cronbach's a=.86). The scale differentiate significantly between IBS patients and healthy controls (F=221, P<.01). | Weekly during treatment (treatment week 1-9). Baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months. | |
Secondary | Percieved Stress scale (PSS 10) | Change in perceived stress measured with a self-rating scale weekly during treatment for mediation analyses, and from baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months for analysis of effect. The PSS measures the degree to which situations are appraised as stressful. It is a self-report scale with 10 items on daily hassles and the current feeling of being able to handle problems that need to be addressed. It is a five-point Likert scale ranging from 0 (never) to 4 (very often). It is a widely used questionnaire to measure perceived stress and has adequate internal and test-retest reliability. | Weekly during treatment (treatment week 1-9). Baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months. | |
Secondary | Pain reactivity Scale (PRS) | Change in pain reactivity measured with a self-report scale, pain reactivity scale (PRS), at baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months. PRS have 5 items about reactivity to and worry about pain. Three items are about emotional reactions to current pain. Two items affect frequency of worry about not being able to do things now, and in the future because of the pain. Questions are answered on a 6-point scale from 0 ("not at all") to 6 ("very much"). PRS has been reported to have satisfactory psychometric properties (Wicksell et al, 2011) | Baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months. | |
Secondary | Pain interference index (PII) | Change in pain interference measured with a self-report scale at baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months. Pain interference index (PII), have 6 items about interference on various activities because of pain. Questions are answered on a 6-point scale from 0 ("not at all") to 6 ("very much"). According to preliminary analysis, the instrument has satisfactory psychometric properties (Wicksell et al., 2011) | Baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months. | |
Secondary | Functional disability index (FDI) | Change in function measured with a self-report scale at baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months. Functional disability index (FDI) have15 items on daily activities. Questions are related to specific activities such as climbing stairs, running 100 meters and to go shopping, and general activities such as eating meals and being in school all day. The scale ranges from 1 (no problem at all) to 5 (impossible). It is validated for children and adolescents with chronic abdominal pain with high internal consistency, a = .86 for boys and a = .91 for girls (Claar and Walker, 2006). FDI is the scale that is recommended in pediatric pain studies to measure the influence of pain on function (McGrath et al., 2008). | Baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months. | |
Secondary | Visceral sensitivity Index (IBS-VSI) | Change in visceral sensitivity from baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months measured with a self-report scale that measures gastrointestinal symptom-specific anxiety. VSI is a 15-item scale and has a scale ranging from 0 (not at all) to 5 (totally agree). The scale has demonstrated excellent reliability as well as good content, convergent, divergent and predictive validity. | Baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months. | |
Secondary | Gastrointestinal Symptom Rating Scale-IBS Version (GSRS-IBS). | Change in gastrointestinal symptoms measured weekly with a self-rating scale during treatment for mediation analyses. The GSRS-IBS have 13 items about weekly gastrointestinal symptoms like bloating, hard stool, abdominal pain etc. It is a seven-point Likert scale from 1 (no discomfort at all) to 7 (very severe discomfort). The GSRS-IBS has excellent psychometric properties with internal consistency between a = .74 (for abdominal pain) to a = .85 (for satiety). | Weekly during treatment (treatment week 1-9). | |
Secondary | Pediatric Quality of Life Inventory (PedsQL) Generic Core scales age 13-18 | Change in quality of life from baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months measured with a self-report scale that measures quality of life in adolescents. PedsQL Generic Core scales is a 23-item scale ranging from 0 (never) to 4 (almost always). The PedsQL is shown to distinguishe between healthy children and adolescents and pediatric patients with acute or chronic health conditions and demonstrate acceptable reliability and validity. | Baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months. | |
Secondary | Pediatric Quality of Life Inventory (PedsQL) Gastrointestinal Symptom Scale | Change in gastrointestinal symptoms from baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months measured with a self-report scale that measures gastrointestinal symptoms in children and adolescents. The PedsQL Gastro is a 9-item scale ranging from 0 (never) to 4 (almost always). | Baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months. | |
Secondary | Children´s Somatization Inventory (CSI-24) | Change in inner symptoms from baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months measured with a self-report scale that measures inner symptoms (e.g., headache, nausea, heart racing) that often, but not necessarily, occur in the absence of identified disease, in children and adolescents. CSI-24 is a 24-item scale ranging from ranging from 0 '(not at all) to 4 (a whole lot). | Baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months. | |
Secondary | Spence Children's Anxiety Scale (SCAS-C) | Change in anxiety symptoms from baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months measured with a self-report scale that measures anxiety symptoms in children and adolescents. SCAS-C is a 45 -item scale ranging from ranging from 0 (never) to 3 (always). SCAS-C has demonstrated high internal consistency, high concurrent validity with other measures of child and adolescent anxiety, and adequate test-retest reliability. | Baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months. | |
Secondary | TiC-P Adolescents revised version | Change in healthcare utilization and productivity loss from baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months measured with a self-report scale that measures healthcare utilization and productivity. The scale has been revised to fit adolescents and consists in our study of 3 items assessing school absenteeism and 6 items assessing healthcare utilization. | Baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months. | |
Secondary | TIC-P Parent report | Change in parents healthcare utilization and productivity loss from baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months measured with a self-report scale that measures healthcare utilization and productivity. TIC-P consists of 10 items. | Baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months. | |
Secondary | Generalized Anxiety Disorder Screener (GAD-7) | Change in anxiety levels in parents from baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months measured with a self-report scale that measures anxiety symptoms. GAD-7 is a 7-item scale ranging from 0 (not at all) to 3 (almost every day). Evidence supports reliability and validity of the GAD-7 as a measure of anxiety in the general population. | Baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months. | |
Secondary | Patient Health Questionnaire (PHQ 9) | Change in depression levels in parents from baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months measured with a self-report scale that measures depression. The PHQ-9 is the depression module, which scores each of the 9 DSM-IV criteria as "0" (not at all) to "3" (nearly every day). PHQ-9 is shown to be a reliable and valid measure of depression severity in adults. | Baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months. | |
Secondary | ARCS | Change in parents responses to their children's abdominal pain from baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months measured with a self-report scale assessing protectiveness, minimizing, and encouraging responses to children's pain behavior. The ARCS is a 29-item scale. | Baseline to 10 weeks, baseline to 9 months, baseline to 15 months, baseline to 27 months. |
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