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CompletedNCT00521872Updated Jun 26, 2008

Stapled Trans Anal Rectal Resection (STARR) for Outlet Obstruction: Functional and Morphological Outcome

A Phase 4 interventional study of STARR Operation in Surgery and Constipation, sponsored by University of Zurich. Completed at 1 site in Switzerland. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2008-06-26.

Sponsored by University of Zurich · Phase 4, Interventional, and Diagnostic

Phase
Phase 4
Study type
Interventional
Allocation
Non-randomized
Ages
18 Years and older
Sex
All
01

Study summary

This study compares pre- and postoperative (at 6 month) quality of life and pathomorphology of the pelvis (by MRI defecation) after a STARR procedure for outlet obstruction.

  • Trial with surgical intervention
02

Conditions studied

  • Surgery
  • Constipation

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Keywords

  • surgery (STARR operation)
03

In context

Constipation

1,018 studies on the registry are indexed under Constipation; 139 are open to participants now.

Browse Constipation studies →

Lead sponsor

University of Zurich is the lead sponsor of 1,030 studies on the registry; 130 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • All patients at our institution treated with the STARR operation

Exclusion criteria

Exclusion criteria:

  • Age under 18,
  • Chronic or acute inflammatory disease of the bowel or rectum
05

Study design

Phase
Phase 4
Primary purpose
Diagnostic
Allocation
Non-randomized
Intervention model
Single group
Masking
None (open label)

Interventions

  • ProcedureSTARR Operation
06

What researchers measure

Primary outcomes

  1. Pathomorphological changes of the pelvis (by MRI): intussuception, rectocele, defecation angles

07

Study locations

1 site
  • UniversitätsSpital Zürich
    Zurich, Switzerland
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jun 26, 2008, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT00521872
Lead sponsor
University of Zurich
First posted
Aug 28, 2007
Start date
Apr 2004
Completion
Oct 2007
Last update
Jun 26, 2008

Study contacts

01 Studienregister MasterAdmins
study director · UniversitaetsSpital Zuerich

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Aug 2007. You cannot join it, but the record below documents what was studied.

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