- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04460404
The Predictive Value of Alarm Symptoms in Patients With Function Constipation Based on Roman IV
July 1, 2020 updated by: Second Affiliated Hospital of Xi'an Jiaotong University
Functional constipation is one of the five most common gastrointestinal diseases in outpatient visits.
It is known that the global prevalence of chronic constipation is estimated to be 14%, and the prevalence of adults in my country is about 4.0% to 10.0%.
It is generally believed that the diagnosis of functional constipation is based on a thorough history and physical examination.
However, these standards are mainly used in clinical research and are not always strictly applicable to clinical practice.
Therefore, in addition to the main symptoms, the medical history should include evidence of organic diseases (alarm symptoms).
Rectal bleeding, anemia, weight loss, fever, family history of colon cancer and the age of onset over 50 years are considered as alarm symptoms of severe gastrointestinal diseases, but the value of alarm symptoms in distinguishing organic diseases from functional diseases is still not Ok, further research is still needed.
In 2016, the Rome IV standard was updated and released, with some updates in the definition and diagnostic criteria for functional constipation.
However, there are few studies on the clinical practice based on Rome IV.
The advantages and disadvantages of adjusting the diagnostic criteria of Rome IV compared to Rome III in clinical application are still unclear.
In order to evaluate the predictive value of the alarm symptoms of functional constipation based on Roman IV, we designed this cross-sectional study.
It is used to evaluate the predictive value of alarm symptoms for functional constipation and organic bowel disease, as well as the predictive value of alarm symptoms of benign and malignant intestinal diseases related to functional constipation symptoms.
Study Overview
Status
Unknown
Conditions
Intervention / Treatment
Study Type
Observational
Enrollment (Anticipated)
500
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
Shaanxi
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Xi'an, Shaanxi, China, 710004
- The Second Affiliated Hospital of Xi'an Jiaotong University
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-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years to 75 years (Adult, Older Adult)
Accepts Healthy Volunteers
N/A
Genders Eligible for Study
All
Sampling Method
Non-Probability Sample
Study Population
Patients with constipation that meet the Rome IV diagnostic criteria are the subjects
Description
Inclusion Criteria:
Patients with constipation that meet the diagnostic criteria for functional constipation in Rome III or IV (specific conditions are as follows) (1) Must include two or more of the following:
- More than 25% of bowel movements feel laborious;
- Over 25% of the bowel movements are dry ball dung or hard dung; (Bristol Manure Character Scale Type 1-2)
- More than 25% of bowel movements have an inexhaustible feeling;
- More than 25% of bowel movements require manual assistance;
- More than 25% of bowel movements need to be assisted by manual techniques (such as assisting bowel movements with fingers and basin support);
- Less than 3 times per week (spontaneous defecation). (2) Dirty feces rarely occur when laxatives are not used. (3) Does not meet the diagnostic criteria for irritable bowel syndrome. (Symptoms appear at least 6 months before diagnosis, and meet the above (existence) diagnostic criteria within the past 3 months)
- Age ≥18 years old;
- From 2020.07 to 2020.12, visit the outpatient clinic of our hospital and perform colonoscopy;
- Blood routine, fecal routine and fecal occult blood examination within 6 months.
Exclusion Criteria:
- Inflammatory bowel disease, celiac disease and other organic intestinal diseases, history of metabolic diseases (abnormal thyroid function and diabetes, etc.);
- Severe neurological, mental and psychological diseases, or those with severe organ dysfunction;
- Abdominal surgery;
- Patients during pregnancy, possible pregnancy and lactation;
- Those who have a history of colonoscopy within the past 6 months, and those who have evaluated intestinal status;
- Refuse to participate in this study.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Observational Models: Case-Only
- Time Perspectives: Prospective
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
the predictive value of alarm symptoms for functional constipation
Time Frame: 2020/12/31
|
When a patient with constipation is accompanied by one or several alarm symptoms, the result of colonoscopy is confirmed as organic bowel disease
|
2020/12/31
|
Predictive value of warning symptoms to malignant intestinal tumors
Time Frame: 2020/12/31
|
When a patient with constipation is accompanied by one or more alarm symptoms, the result of colonoscopy is confirmed as malignant intestinal tumor
|
2020/12/31
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Anticipated)
July 1, 2020
Primary Completion (Anticipated)
December 31, 2020
Study Completion (Anticipated)
December 31, 2020
Study Registration Dates
First Submitted
June 26, 2020
First Submitted That Met QC Criteria
July 1, 2020
First Posted (Actual)
July 7, 2020
Study Record Updates
Last Update Posted (Actual)
July 7, 2020
Last Update Submitted That Met QC Criteria
July 1, 2020
Last Verified
July 1, 2020
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 20200626
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
No
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
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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