NCT01099033

Brief Summary

The study will examine potential biological and genetic mechanisms leading to hiatal and paraesophageal hernia formation in predisposed individuals. It is expected that these patients will have defects in the normal production and maturation of collagen and other connective tissue proteins, thus leading to weakness in the diaphragm that may allow for spontaneous herniation. Comparison of tissue and blood samples from these patients (study group) will be made to those from individuals undergoing lower esophageal surgery who have not developed a concurrent hernia (i.e. esophageal myotomy for achalasia and laparoscopic gastric bypass or laparoscopic adjustable gastric banding for morbid obesity - control group).

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
151

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Aug 2007

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

August 1, 2007

Completed
2.7 years until next milestone

First Submitted

Initial submission to the registry

April 2, 2010

Completed
4 days until next milestone

First Posted

Study publicly available on registry

April 6, 2010

Completed
1.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 1, 2011

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

October 1, 2011

Completed
Last Updated

May 14, 2018

Status Verified

May 1, 2018

Enrollment Period

4.2 years

First QC Date

April 2, 2010

Last Update Submit

May 7, 2018

Conditions

Keywords

hiatal herniaparaesophageal herniabiologic meshMMPsHiatal/Paraesophageal hernia

Study Arms (2)

Hiatal/Paraesophageal hernia patients

patients with hiatal or paraesophageal hernias

control group

patients without hiatal or paraesophageal hernias who are undergoing crural dissection for heller myotomy, or who are undergoing gastric bypass surgery

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Patients to be enrolled in the study will be standard referrals to our group from primary care physicians or other specialists who feel that surgical correction of a diaphragmatic hernia or achalasia is necessary. Additionally, patients referred to our practice for weight reduction surgery will also be considered eligible for enrollment.

You may qualify if:

  • Any patient undergoing paraesophageal hernia repair, esophageal myotomy, laparoscopic gastric bypass, or laparoscopic adjustable gastric banding.

You may not qualify if:

  • Pregnant females, minors, prisoners

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Washington University School of Medicine

St Louis, Missouri, 63110, United States

Location

Related Publications (2)

  • Jansen PL, Mertens Pr Pr, Klinge U, Schumpelick V. The biology of hernia formation. Surgery. 2004 Jul;136(1):1-4. doi: 10.1016/j.surg.2004.01.004. No abstract available.

    PMID: 15232531BACKGROUND
  • Klinge U, Si ZY, Zheng H, Schumpelick V, Bhardwaj RS, Klosterhalfen B. Abnormal collagen I to III distribution in the skin of patients with incisional hernia. Eur Surg Res. 2000;32(1):43-8. doi: 10.1159/000008740.

    PMID: 10720845BACKGROUND

Biospecimen

Retention: SAMPLES WITH DNA

small tissue biopsies of gastrohepatic, gastrophrenic, and phrenoesophageal ligaments

MeSH Terms

Conditions

Hernia, Hiatal

Condition Hierarchy (Ancestors)

Hernia, DiaphragmaticInternal HerniaHerniaPathological Conditions, AnatomicalPathological Conditions, Signs and Symptoms

Study Officials

  • Brent D Matthews, MD

    Washington University School of Medicine

    PRINCIPAL INVESTIGATOR
  • Corey Deeken, PhD

    Washington University School of Medicine

    STUDY DIRECTOR
  • Peggy Frisella, RN

    Washington University School of Medicine

    STUDY CHAIR

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 2, 2010

First Posted

April 6, 2010

Study Start

August 1, 2007

Primary Completion

October 1, 2011

Study Completion

October 1, 2011

Last Updated

May 14, 2018

Record last verified: 2018-05

Locations