Healthy volunteers help define 'Normal' for anal function testing
NCT ID NCT06805240
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study measured normal anal function in 90 healthy adults aged 18-65. Researchers compared two types of catheters to establish baseline values. The goal was to improve future diagnosis of bowel disorders.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
-
90 people
The number who actually took part.
- Started
-
Jan 2025
- Finished
-
Apr 2025
- Lead sponsor
-
A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Healthy male and female adults, 18-65 years old
- Ages
-
18 to 65 years
- Sex
-
Anyone
- Healthy volunteers
-
Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * 1\. Male and female volunteers, 18-65 years old * 2\. Willing to provide informed consent * 3\. Willing and able to follow instructions for ARM procedure Exclusion Criteria: * 1\. Documented history of gastrointestinal disorders such as: * a. fecal incontinence, * b. irritable bowel syndrome (IBS), * c. functional constipation, as defined by two or more of these symptoms for at least 25% of the time over the past 3 months: * i. excessive straining, * ii. hard or lumpy stools, * iii. sensation of incomplete evacuation, * iv. a feeling of anorectal blockage, * v. manual maneuvers to facilitate defecation, * vi. or fewer than 3 bowel movements per week. * d. functional diarrhea, as defined by the following symptoms over the past 3 months: * i. Loose or watery stools * ii. Lack of pain with diarrhea * iii. Diarrhea occurring in at least 75% of bowel movements * iv. No identifiable causes * 2\. Use of medications that may affect gastrointestinal motility as determined by healthcare professional. * 3\. Prior pelvic radiation, * 4\. Prior anorectal surgical procedures, including treatment for hemorrhoids, * 5\. Risk factors for pelvic floor trauma: * a. more than 4 vaginal deliveries, * b. vaginal delivery with birthweight greater than 4500gms (macrosomia), * c. known 4th degree perineal tear or known forceps use during delivery. * 6\. Contraindicated for ARM testing * 7\. Has gastrointestinal symptoms and is indicated for ARM testing * 8\. Subject is currently pregnant or plans to become pregnant during the course of their enrollment in the study, as self-reported.
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for Healthy are added.
Genom att skicka in godkänner du våra Användarvillkor
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Augusta University Digestive Health Center
Augusta, Georgia, 30912, United States
-
Digestive Health Center of the Four States, LLC
Joplin, Missouri, 64804, United States
-
Southwest Gastroenterology
New Lenox, Illinois, 60451, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a chewable postbiotic tablet keep plaque and gum inflammation at bay?
- Can a new oral drug safely help older adults manage weight?
- Can a protein powder with creatine and fiber boost everyday Well-Being?
- Green tech or hidden stress? bus Drivers' hearts monitored behind the wheel
- Shout it out: can growls and screams raise pain tolerance?
- Scientists probe why brain stimulation works for some and not others