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Status unknownNCT01992406Updated Jul 17, 2015

Feasibility, Safety and Outcome of Transrectal Hybrid-NOTES Anterior Resection

An observational study in Sigmoid Diverticulosis, Sigmoid Diverticulitis and Colon Adenoma, sponsored by Cantonal Hosptal, Baselland. Status unknown at 1 site in Switzerland. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2015-07-17.

Sponsored by Cantonal Hosptal, Baselland · Observational

The sponsor has not verified this record recently (last verified Jul 2015), so the status shown — last known as Recruiting — may be out of date.
Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
60
Ages
18 Years and older
Sex
All
01

Study summary

Natural orifice transluminal endoscopic surgery has become an important topic. NOTES access routes give the opportunity to reduce surgical access trauma leading to a more painless surgery and enhancing a fast postoperative recovery. Experience with transvaginal laparoscopic cholecystectomy and transvaginal anterior resection for diverticulitis show that such NOTES procedures are feasible and safe. The complication rate to conventional laparoscopic procedures is similar. Since transvaginal access is impossible in men, an alternative route is missing. There are experimental studies and small case series reporting the feasibility of transrectal anterior resection. However any prospective feasibility study demonstrating the safety of the procedure and functional outcomes (sphincter function) are missing. This study investigates the feasibility, practicability, safety and subjective as well as functional outcome of transrectal hybrid-NOTES anterior resection.

Read the detailed description

Primary endpoint:

To demonstrate in a prospective cohort study the feasibility (specimen extraction through rectum possible to perform or not), safety (complications graded according to Clavien-Dindo) and postoperative outcome (gastrointestinal quality of life questionnaire and anal sphincter manometry) of routine hybrid-NOTES transrectal anterior resection for benign indication in men and women.

Secondary endpoints:

  • quality of life 6 months after surgery
  • continence 6 months after surgery
  • pain postoperative
  • complication rate
  • duration of procedure
  • lengh of stay

Hypothesis:

The investigators expect specimen extraction through the rectum to be feasible in 80% of cases (in the others an alternative mini-laparotomy has to be performed).

study design: This is an open cohort study on 60 patients. The patients are included before surgery and baseline parameters are put in a registry. There are clinical controls 6 weeks, 3 and 6 months postoperative. 3 and 6 months postoperative as well as preoperative a anorectal manometry is performed.

Inclusion criteria:

  • benign indication for left sided colectomy.

exclusion criteria:

  • age \<18 years
  • patient unable to understand informed consent or missing informed consent
  • emergency surgery

power calculation: A feasibility of 80% with a precision of 15% is estimated. Given a 5% drop out rate 36 patients are to be included in the study.

02

Conditions studied

  • Sigmoid Diverticulosis
  • Sigmoid Diverticulitis
  • Colon Adenoma
  • Rectal Prolapse

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03

In context

Rectal Prolapse

55 studies on the registry are indexed under Rectal Prolapse; 12 are open to participants now.

This study's planned enrollment of 60 is below the median of 200 across 21 observational studies indexed under Rectal Prolapse.

Browse Rectal Prolapse studies →

Lead sponsor

Cantonal Hosptal, Baselland is the lead sponsor of 13 studies on the registry; none 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
Sampling method
Non-probability sample

Study population

Patients with benign indication for left sided colectomy

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • benign indication for left sided colectomy

Exclusion criteria

Exclusion Criteria:

  • age below 18 years
  • unable to understand of missing informed consent
  • emergency surgery
Terms in these criteria, in plain language(1)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

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You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
60 participants (estimated)
Target follow-up
6 Months
Patient registry
Yes

Groups and cohorts

  • Transrectal hybrid-NOTES anterior resection
06

What researchers measure

Primary outcomes

  1. Transanal specimen extraction possible or not

    Feasibility to remove the specimen (sigmoid colon) through the rectum/anus. If this is not possible during surgery (due to bulky specimen or narrow pelvis) an alternative mini-laparotomy has to be performed.

    Time frame: at surgery

Secondary outcomes

  1. Number of Participants with postoperative complications (and severity of complications according Clavien-Dindo)

    Postoperative complications are recorded and graded according to Clavien-Dindo classification. Complication rates and especially occurence of anastomotic leakage and pelvic sepsis will be compared to the literature of current techniques.

    Time frame: up to 6 weeks postoperative

  2. continence 6 months postoperative

    Time frame: 6 months postoperative

  3. quality of life

    Time frame: 6 months postoperative

07

Study locations

1 of 1 sites recruiting
  • Kantonsspital Baselland, Department of Surgery, Bruderholz
    Bruderholz, 4101, Switzerland
    Recruiting
    • Daniel C Steinemann, MD · Contact
    • Sebastian Lamm, MD · Contact
    • Daniel C Steinemann, MD · Principal investigator
    • Sebastian Lamm, MD · Principal investigator
    • Andreas Zerz, MD · Principal investigator
08

References and documents

Publications

  • Steinemann DC, Zerz A, Germann S, Lamm SH. Anorectal Function and Quality of Life after Transrectal Rigid-Hybrid Natural Orifice Translumenal Endoscopic Sigmoidectomy. J Am Coll Surg. 2016 Aug;223(2):299-307. doi: 10.1016/j.jamcollsurg.2016.04.002. Epub 2016 Apr 13. PubMed 27086090 ↗
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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jul 17, 2015, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT01992406
Lead sponsor
Cantonal Hosptal, Baselland
Responsible party
Daniel Steinemann, MD (Principle Investigator, Cantonal Hosptal, Baselland) — Principal investigator
First posted
Nov 25, 2013
Start date
Nov 2013
Primary completion
Nov 2016 (estimated)
Last update
Jul 17, 2015

Study contacts

Daniel C Steinemann, MD
Contact
daniel.steinemann@ksbl.ch
+41 61 436 36 36
Sebastian Lamm, MD
Contact
sebastian.lamm@ksbl.ch
+41 61 436 36 36
Andreas Zerz, MD
study chair · Kantonsspital Baselland, Department of Surgery, Bruderholz

Oversight

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

Not currently enrolling

This study is status unknown, as verified in Jul 2015. You cannot join it, but the record below documents what was studied.

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