Single Centre Study to Compare Harmonic Scalpel to Conventional Diathermy in Free Tissue Transfer Breast Reconstruction (HARMONIC001)

May 16, 2016 updated by: St Andrew's Centre for Plastic Surgery

Comparison of Harmonic Scalpel to Conventional Diathermy in Free Tissue Transfer for Breast Reconstruction

The purpose of this single centre study is to evaluate whether the use of Harmonic Synergy Dissecting Hook (Harmonic Scalpel) in breast reconstruction surgery is superior to conventional diathermy in terms of improving ease and speed of perforator dissection, reducing postoperative pain, days of hospital stay and time taken to return to daily activities.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Withdrawn

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United Kingdom
      • Chelmsford, United Kingdom
        • St. Andrew's Centre for Plastic Surgery, Broomfield Hospital,

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

14 years to 76 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Female

Description

Inclusion Criteria:

  1. Female patients aged between 18 and 80 years old
  2. Able to comprehend, follow, and provide written informed consent.
  3. Willingness to comply with study requirements including follow-up visits

Exclusion Criteria:

  1. Patients who have a pacemaker
  2. Pregnant or breast feeding females.
  3. General contraindication for surgery as deemed by the PI (e.g. physically unfit)
  4. Patients who smoke
  5. Diabetic patients
  6. Patients who are receiving permanent analgesics
  7. Patients receiving anti-coagulation therapy.
  8. Patients with a physical or psychological condition which would impair participation in the study.
  9. Participation in any other device or drug study within 90 days prior to enrollment.
  10. Planned participation in any other medical device study during the timeframe of this study.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Supportive Care
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Active Comparator: 2
Procedure: Electrocautery Diathermy
Electrosurgery uses high temperatures (150-400oC) and causes obliterative coagulation. Diathermy is the use of high frequency electric current to produce heat. In surgery it is used to cut or destroy tissue and/or to produce coagulation. The electrical frequency produced in diathermy is in the range of 300kHz to 3MHz.
Active Comparator: 1
Procedure: Harmonic Synergy Dissecting Hook (Harmonic Scalpel)
Harmonic Synergy Dissecting Hook (Harmonic Scalpel) uses ultrasound waves to coagulate and cut in surgery. It is available on the market, holds a CE mark and is coded as a Class IIb medical device.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Time Frame
The speed of flap harvest measured as the time from "knife to skin" to the flap being removed from the patient.
Time Frame: At surgery
At surgery

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Time Frame
Ease of flap harvest: the subjective opinion of the surgeon based on structured questionnaire
Time Frame: At surgery
At surgery
Post operative pain, based on the visual analogue scale at 3, 6, 12 and 24 weeks post operatively.
Time Frame: 3, 6, 12 and 24 weeks post operation
3, 6, 12 and 24 weeks post operation
Rates of post operative infection
Time Frame: post operation for 6 months
post operation for 6 months
Incidence of abdominal (donor site) wound dehiscence
Time Frame: post operation for 6 months
post operation for 6 months
Bleeding complications
Time Frame: intra operation and for 6 months post op
intra operation and for 6 months post op
Return to theatre
Time Frame: post operation for 6 months
post operation for 6 months
Incidence of seroma
Time Frame: post operation for 6 months
post operation for 6 months
Post operative drainage from the wound
Time Frame: post operation for 6 months
post operation for 6 months
Impact on daily activities (SF-36 Questionnaire) at 3, 6, 12 and 24 weeks post operatively
Time Frame: 3, 6, 12, and 24 weeks post operation
3, 6, 12, and 24 weeks post operation
Number of days of hospitalisation
Time Frame: post operation for 6 months
post operation for 6 months
Re-operation required
Time Frame: post operation for 6 months
post operation for 6 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
St Andrew's Centre for Plastic Surgery

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: V Ramakrishnan, St Andrew's Centre for Plastic Surgery

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
November 1, 2008

Primary Completion (Anticipated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
September 1, 2009

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
October 22, 2008

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
October 22, 2008

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
October 24, 2008

Study Record Updates

Last Update Posted (Estimate)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
May 17, 2016

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
May 16, 2016

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
October 1, 2008

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • Harmonic Scalpel HARMONIC 001

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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