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

> **NCT00521872** · PHASE4 · COMPLETED · sponsor: **University of Zurich**

## Conditions studied

- Surgery
- Constipation

## Interventions

- **PROCEDURE:** STARR Operation

## Key facts

- **NCT ID:** NCT00521872
- **Lead sponsor:** University of Zurich
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2004-04
- **Primary completion:** —
- **Final completion:** 2007-10
- **Target enrollment:** — (—)
- **Last updated:** 2008-06-26


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00521872

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00521872, "Stapled Trans Anal Rectal Resection (STARR) for Outlet Obstruction: Functional and Morphological Outcome". Retrieved via AI Analytics 2026-07-20 from https://api.ai-analytics.org/clinical/NCT00521872. Licensed CC0.

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