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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT03042858
Other study ID # 16020156
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date January 2017
Est. completion date December 2036

Study information

Verified date April 2024
Source Children's Mercy Hospital Kansas City
Contact Shawn D St. Peter, MD
Phone 816-234-3575
Email sspeter@cmh.edu
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

This will be a multi-center prospective observational study of all patients who undergo laparoscopic pyloromyotomy. Subjects who have PPV will be followed up to just before their 18th birthday through annual phone calls or emails to determine the incidence and timing of subsequent inguinal hernia.


Description:

Patients will be identified at the time the need for laparoscopic pyloromyotomy is determined by the consulting surgeon. After informed permission is obtained, demographic information will be collected on all subjects. Subjects who do not have PPV at the time of surgery will have no further data collected and their study participation will be complete. Subjects who have PPV will receive annual phone calls, emails, or other contact methods selected by the family, for up to before their 18th birthday or until they report having surgical inguinal hernia repair. Data will be recorded as noted on the master list and datasheet and entered into a REDCap database. All participating institutions will upload data into REDCap along with subject contact information so all follow up contact can be made by the coordinating center. All identifiable information in REDCap will be accessible by the coordinating center. Each enrolling center will have access to identifiers for their subjects only. Enrolling centers will be contacted and asked to update the contact information in REDCap if the coordinating center is not able to make contact with a subject. Subjects will also be given contact information for the coordinating center so they can provide updated information directly. Parents will be the main study contact for the duration of the study since no study interventions other than the phone call/email are required. During laparoscopy for pyloric stenosis, the surgeon will turn the camera downward to answer the first question, whether the inguinal canal is patent or closed. Many surgeons routinely perform this maneuver; it takes no more than 10 seconds to perform and adds no risk to the operation. The study will include a quick estimate of width and depth of the PPV as outlined in the datasheet to characterize the size of the opening. The first characterization will be the presence of CO2 in the scrotum/labia upon insufflation, which clarifies that the PPV provides wide continuity from the abdomen to beyond the inguinal canal. The second characterization will be an estimate of the width of the opening in millimeters. The next step will be to note whether the bottom of the defect is seen. This is, by definition, no if the answer to the first question is yes and this no longer applies. Therefore the no answer to this question will identify those with an open tunnel but no external insufflation. Finally, if the bottom is seen then an estimate will be made in millimeters. If there is no PPV, meaning the patient presents normal anatomy, the patient demographic data will be recorded and this will terminate their participation. If a PPV is present, the investigators will conduct annual phone calls, or other contact method of the family's choice, to ask questions about whether the child has been diagnosed with hernia, underwent hernia repair or currently has symptoms consistent with a hernia (questionnaire attached). Subjects will be followed until hernia repair or as long as possible, up to their 18th birthday.


Recruitment information / eligibility

Status Recruiting
Enrollment 1000
Est. completion date December 2036
Est. primary completion date December 2035
Accepts healthy volunteers No
Gender All
Age group 1 Day to 4 Months
Eligibility Inclusion Criteria: - All patients having laparoscopic surgery for pyloric stenosis. Subjects are anticipated to be less than four months of age at the time of enrollment. - Enrollment inclusion dates: 08/2016 (upon IRB approval) to 7/31/2025 Exclusion Criteria: - Patients who are anticipated to have a hostile abdomen for visualizing the inguinal rings (e.g. gastroschisis, necrotizing enterocolitis) - Patients who have unilateral or bilateral undescended testes - Patients undergoing open pyloromyotomy - Patients who have a known hernia

Study Design


Intervention

Other:
Infants with PPV
Data will be collected for up to 18 years to monitor for inguinal hernia.
Infants without PPV
Basic data will be collected regarding the surgery and the subject's study participation will be complete.

Locations

Country Name City State
United States Children's Mercy Hospital Kansas City Missouri

Sponsors (9)

Lead Sponsor Collaborator
Children's Mercy Hospital Kansas City American Family Children's Hospital, Ann & Robert H Lurie Children's Hospital of Chicago, C.S. Mott Children's Hospital, Children's Hospital and Health System Foundation, Wisconsin, James Whitcomb Riley Hospital for Children, Nationwide Children's Hospital, Norton Children's Hospital, University of Chicago

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Incidence of inguinal hernia frequency of the development of symptomatic inguinal hernia in infants who are found to have an opening in their inguinal canal during laparoscopy for pyloric stenosis 18 years
Secondary Time to development of inguinal hernia Timeframe to develop a symptomatic inguinal hernia in infants who are found to have an opening in their inguinal canal during laparoscopy for pyloric stenosis. 18 years
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