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First-degree relatives of people with inflammatory bowel disease ("IBD," including Crohn's disease and ulcerative colitis) have an increased risk for developing IBD themselves. This study will follow unaffected first-degree relatives (who do not have IBD) over time to understand if their behaviors, diet, and biomarkers for IBD can help predict who gets IBD and if IBD can be prevented in these high-risk individuals. Participants will be asked once per year to complete a questionnaire and have their blood, stool, and urine collected. The anticipated length of the study (registry) is approximately 10 years or longer. Parts of this study, such as the questionnaires and stool and urine collection, may be done from home, while other parts, such as the blood draw, will need to be done from Massachusetts General Hospital.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Individuals who have a parent, sibling, or child with IBD but who do not have IBD themselves | Adult and adolescent (greater than 14 years of age) first-degree relatives (parents, siblings, or children) of patients with inflammatory bowel disease (including Crohn's disease, ulcerative colitis, or inflammatory bowel disease-unclassified/indeterminate colitis) but who do not have inflammatory bowel disease themselves. |
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| Measure | Description | Time Frame |
|---|---|---|
| Number of participants who develop inflammatory bowel disease | Participants will be queried annually on questionnaires for the development of inflammatory bowel disease (IBD), including Crohn's disease, ulcerative colitis, or IBD-U (self-reported outcome). Participants will then be asked for permission to obtain additional medical records, which will be reviewed by study investigators to confirm diagnosis of IBD. | Through study completion (an anticipated 10 years) |
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Inclusion Criteria:
Exclusion Criteria:
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First-degree relatives (FDRs) of those with IBD.
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Emily W Lopes, MD, MPH | Contact | 617-726-5560 | mghfindibd@mgb.org |
| Name | Affiliation | Role |
|---|---|---|
| Emily W Lopes, MD, MPH | Massachusetts General Hospital | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Massachusetts General Hospital | Recruiting | Boston | Massachusetts | 02114 | United States |
De-identified data may be available upon reasonable request and per Mass General Brigham IRB guidelines as outlined in the ICF and detailed protocol.
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Collaborators interested in requesting data must submit a valid scientific question, include a statistical analysis plan, complete a data request form, and Data Use Agreement (DUA), which limits subsequent use to the terms of the approved request and requires that users maintain data security, and refrain from any attempts to re-identify research participants or engage in any unauthorized uses of the data.
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Blood, stool, urine
| ID | Term |
|---|---|
| D015212 | Inflammatory Bowel Diseases |
| D003093 | Colitis, Ulcerative |
| D003424 | Crohn Disease |
| ID | Term |
|---|---|
| D005759 | Gastroenteritis |
| D005767 | Gastrointestinal Diseases |
| D004066 | Digestive System Diseases |
| D007410 | Intestinal Diseases |
| D003092 | Colitis |
| D003108 | Colonic Diseases |
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