- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02984059
Study Assessing Risk Factors for Abdominal Pain in Children With Inflammatory Bowel Disease
A Pilot Study Assessing Risk Factors for Abdominal Pain in Children With Inflammatory Bowel Disease: The ALLAY Study
To characterize persistent abdominal pain in children with inflammatory bowel disease (IBD) by examining factors such as disease type, activity and location, psychosocial factors, and genetics.
The investigators hypothesize that by using patient pain and psychological assessments in addition to analysis of blood, stool and colonic biopsies, we can better characterize factors that predispose children and adolescents with IBD to have persistent and/or disproportionate abdominal pain.
Study Overview
Status
Conditions
Detailed Description
This is a prospective longitudinal inception cohort pilot study. The study will hopefully provide information about why there is persistent abdominal pain in children with IBD by examining factors such as disease type, activity and location, psychosocial factors, and genetics. Fifty newly diagnosed pediatric IBD patients, age 8-17 years will be enrolled into the study. There will be 2 control groups as well: pain control population: 20 patients with irritable bowel syndrome (IBS) or functional abdominal pain (FAP) diagnosis who have no evidence of bowel inflammation will serve as a pain control population for patients with no active inflammation. To serve as a control population for patients with no abdominal pain or inflammation, the investigators will include 10 patients with no gastrointestinal symptoms, who undergo colonoscopy for various reasons such as painless rectal bleeding, polyp surveillance, etc. The investigators anticipate completing enrollment in 12 months and allowed another 12 months for follow-up.
The study participants will be seen every 3 months for a year and they will have the following procedures/test performed:
- Standard of care blood and stool samples
- Pediatric Ulcerative Colitis Activity Index (PUCAI) or Pediatric Crohn's Disease Activity Index (PCDAI)
They will have an endoscopy performed at diagnosis then at 12 months from enrollment.
A magnetic resonance enterography (MRE) will be done at diagnosis.
The following pain and anxiety tests will be performed throughout the study:
Pain:
Pain Severity Duration Scale (PSDS) Pediatric Catastrophizing Scale-Child/Parents (PCS-C/P) Pain Burden Interview (PBI) Adolescent Pediatric Pain Tool (APPT)
Anxiety:
Revised Children's Anxiety and Depression Scale (RCADS-25) Children's Somatization Index (CSI-24) Adult Responses to Children's Symptoms (ARCS)
Blood, rectal biopsies and stool specimens will be obtained throughout various time points of the study to look at hematology, sed rates, C-reactive protein, genomic DNA, colon RNA, stool microbiome and stool calprotectin.
In summary, the investigators will be examining:
Relationship between clinical factors and persistent abdominal pain in patients with IBD
- Disease type
- Location of disease at diagnosis
- Extent of disease at diagnosis
- Markers of inflammation at diagnosis and over the course of follow up
- Active disease vs. inactive disease over the course of follow up
Relationship between psychosocial factors persistent abdominal pain, and remission status, specifically in patients with:
- Inactive IBD vs. active IBD
- Inactive IBD vs. IBS/FAP
- We will compare the parental report to patient report in the above mentioned groups
Relationship between gene expression, microbiome, persistent abdominal pain, and remission status, specifically in patients with:
- Inactive IBD vs. active IBD
- Inactive IBD vs. IBS/FAP
- Inactive IBD vs. controls with no abdominal pain
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Connecticut
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Hartford, Connecticut, United States, 06106
- CT Children's Medical Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Age ≥ 8 years or < 18 years (achieved 8th birthday but not yet their 18th birthday)
- IBD established by standard criteria
- Anticipated availability for follow up for ≥ 1 year
- Informed consent/assent
Exclusion Criteria:
- Prior abdominal surgery unrelated to IBD
- Active gastrointestinal infection at time of diagnosis (e.g., C. difficile)
- Other co-morbidities that contribute to abdominal pain (e.g., Familial Mediterranean Fever, metabolic disease)
- Preexisting chronic pain disorder (e.g., fibromyalgia)
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
IBD w/abdominal pain
Patients with IBD with abdominal pain. Extra colonic biopsies for RNA analysis. If blood and stool samples are collected for standard of care:blood analyzed for both genomic DNA and calprotectin, and stool analyzed for microbiome. If no blood is drawn then a buccal swab done for the genomic DNA analysis and stool analyzed for calprotectin. Pain questionnaires: Pain Frequency-Severity-Duration Scale Pain Catastrophizing Scale-Child Version Pain Burden Interview Pediatric Quality of Life Inventory Adolescent Pediatric Pain Tool Anxiety/Depression Questionnaires Revised Children's Anxiety and Depression Scale Children's Somatization Inventory Adult Responses to Children's Symptoms |
blood draw
Mucosal Biopsy via colonoscopy
Stool microbiome
stool or blood analysis for calprotectin
PSDS PCS-C/P PBI APPT
RCADS-25 CSI-24 ARCS
|
IBD w/out abdominal pain
Patients with IBD and no abdominal pain. Colonoscopy done for standard of care, extra colonic biopsies for RNA analysis. If blood and stool samples are collected for standard of care:blood analyzed for genomic DNA and calprotectin and stool analyzed for microbiome. If no blood is drawn then a buccal swab for the genomic DNA analysis and stool analyzed for calprotectin. Pain questionnaires: Pain Frequency-Severity-Duration Scale Pain Catastrophizing Scale-Child Version Pain Burden Interview Pediatric Quality of Life Inventory Adolescent Pediatric Pain Tool Anxiety/Depression Questionnaires Revised Children's Anxiety and Depression Scale Children's Somatization Inventory Adult Responses to Children's Symptoms |
blood draw
Mucosal Biopsy via colonoscopy
Stool microbiome
stool or blood analysis for calprotectin
PSDS PCS-C/P PBI APPT
RCADS-25 CSI-24 ARCS
|
Colonoscopy other reasons no abd pain
Patients who have a colonoscopy for other reasons, rectal bleeding or polyp surveillance, no abdominal pain.
Extra colonic biopsies for RNA analysis.
If blood and stool samples are collected for standard of care:blood analyzed for genomic DNA and calprotectin and stool analyzed for microbiome.
If no blood is drawn then a buccal swab for the genomic DNA analysis and stool analyzed for calprotectin.
|
blood draw
Mucosal Biopsy via colonoscopy
Stool microbiome
stool or blood analysis for calprotectin
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Changes in abdominal pain from baseline at 3, 6, 9, and 12 months will be assessed using questionnaires
Time Frame: Assessed at baseline then at months 3, 6, 9, and 12
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Changes in abdominal pain from baseline then assessed again at 3, 6, 9, and 12 months.
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Assessed at baseline then at months 3, 6, 9, and 12
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Collaborators and Investigators
Investigators
- Principal Investigator: Victoria Grossi, DO, Connecticut Children's Medical Center
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- The ALLAY Study
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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