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NCT Number: NCT05356962

STOP? II: Testing of a Toolbox for Structured Communication in the Operating Room

The purpose of the study is to test the impact of the StOP?-protocol - an intra-operative communication briefing, on post-operative mortality and important patient outcomes.

Recruiting

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Tirol Kliniken GmbH, Innsbruck, Austria

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About this study

The StOP?-protocol is a communication briefing initiated by the responsible surgeon during a surgical operation. The surgeon informs the team present in the operating room about the current Status of the operation, the Objectives of the next steps and the potential Problems the surgical team may meet; the responsible surgeon encourages the team to voice any question or concern (?).

To test the impact of the StOP?-protocol on patient outcomes, the study is designed as a randomized controlled trial. Surgeons will be randomized either (a) in the intervention group and be trained to perform the StOP?-protocol or (b) in the control group and will communicate as they prefer during their operations. Post-operative patient outcomes of the surgeons in the intervention and the control group will be compared to evaluate the effects of the StOP?-protocol.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

For the clusters (surgeons)

Inclusion criteria

  • Board-certified surgeons with specialization in one of the following disciplines: general, visceral, thoracic, vascular surgery, surgical urology, or gynecology.

Exclusion criteria

  • Surgeons who are already performing StOP?-protocol. (Potentially, surgeons who took part in the first study (StOP-I) may still perform StOP?).
  • Surgeon who were previously enrolled in the StOP?-II trial (this is relevant for surgeons who move or rotate between departments/hospitals and might therefore be working at different participating sites).

For the patients:

Inclusion criteria

  • Patients operated by cluster surgeons during the cluster-specific time period
  • General consent from the patients, allowing the use of healthcare-related data that are the result of the patient's treatment. In case no written document from the general consent is available despite documented efforts of the participating center, article 34 HRA (Swiss law) will be applied, allowing the use of the healthcare-related patient data.

Exclusion criteria

  • Patient age below 18 years
  • Previous operation at the same site up to 30 days prior the index operation
  • Procedures not done in operating rooms but in outpatient clinics, on wards, etc.
  • Mainly diagnostic endoscopic procedures (e.g. colonoscopy, gastroscopy, bronchoscopy)
  • Percutaneous interventions (e.g., transurethral interventions)
  • Documented refusal for the use of healthcare related data

Treatment and study plan

StOP?-protocol

Behavioral

The StOP?-protocol is an intra-operative briefing initiated by the responsible surgeon. When performing a StOP?-protocol, the surgeons inform the team present in the operating room about the Status (St) of the operation, the Objectives (O) of the operations, the potential problems (P) they may meet and encourage the team to ask questions or voice concerns (?). The responsible surgeon announces at the team timeout when they plan to perform the StOP-protocol(s).

Primary outcomes

  1. Mortality within 30 days after the operation

    Time frame: 30 days after the index operation

    Mortality within 30 days after the operation in the intervention arm compared to the control arm

Secondary outcomes

  1. Unplanned reoperations within 30 days after the operation

    Time frame: 30 days after the index operation

    Unplanned reoperations within 30 days after the operation in the intervention arm compared to the control arm

  2. Length of hospital stay

    Time frame: It is reasonable to estimate that the information will be available after 60 post-operative days for most patients

    Length of hospital stay in the intervention arm compared to the control arm

  3. Unplanned hospital readmissions within 30 days after the operation

    Time frame: 30 days after the index operation

    Unplanned hospital readmissions within 30 days after the operation in the intervention arm compared to the control arm

Other outcomes

  1. Surgical site infections (SSI) within 30 days after the index operation

    Time frame: 30 days after the index operation

    Surgical site infections as defined by the Centers for Disease Control and Prevention (CDC) and collected by Swissnoso (a national surveillance programme for surgical site infections in Switzerland) in the intervention arm compared to the control arm. Note. SSI will be collected only for a pragmatic subsample of patients

Study contacts

Contact information is provided by the study sponsor or research team.

Guido Beldi, MD

CONTACT

[email protected]

+41 31 63 2 48 18

Sandra Keller, PhD

CONTACT

[email protected]

+41 31 66 4 21 76

Sponsors and collaborators

Lead sponsor

Insel Gruppe AG, University Hospital Bern

Other

Collaborators

  • Fachhochschule Nordwestschweiz
  • Swiss National Science Foundation
  • University of Bern

Registry information

Official study title

STOP? II Trial: Cluster Randomized Clinical Trial to Test the Implementation of a Toolbox for Structured Communication in the Operating Room

Acronym: StOP?

Important dates

Study start
2022
Primary completion
2026
Study completion
2026
First posted
May 2, 2022
Registry last updated
Nov 18, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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