Completed

Comparison of Cosmetic Outcomes of Straight Line and W-plasty Techniques for Linear Wound Closure: a Randomized Evaluator Blinded Split Wound Comparative Effectiveness Trial

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What is being tested

W-plasty/Linear closure

Procedure
Who is being recruted

Over 18 Years
+9 Eligibility Criteria
See all eligibility criteria
How is the trial designed

Other Study

Interventional
Study Start: February 2018
See protocol details

Summary

Principal SponsorUniversity of California, Davis
Last updated: January 28, 2026
Sourced from a government-validated database.Claim as a partner

Study start date: February 26, 2018

Actual date on which the first participant was enrolled.

Optimizing the cosmetic appearance of surgical scars is an important element of cutaneous surgery, especially for procedures performed on conspicuous areas of the body such as the head and face. Multiple factors have been shown to affect the aesthetic outcome of scars resulting from cutaneous surgery including the amount of tension on the resultant surgical wound, suture technique and type of sutures used. The use of various wound closure techniques including linear straight-line (SL) and geometric broken-line closure techniques (Z-plasty, W-plasty) to achieve a superior cosmetic scar outcome, has been debated in the dermatology and plastic surgery literature with few studies comparing SL and broken-line closure techniques and mixed results as to which modality provides a superior cosmetic outcome \[2\]. A study of forehead donor site closure in in 31 undergoing a paramedian forehead flap procedure showed that W-plasty provided a superior cosmetic outcome over straight-line closure, however another study in 30 patients undergoing tempo-parietal facial flaps found that W-plasty resulted in an inferior cosmetic outcome compared to linear closure. In addition, a large national survey of over 800 lay public participants found that linear scars were perceived as more cosmetically favorable than zig-zag scars in three facial locations (temple, cheek and forehead). Currently, there are no studies comparing the two closure techniques in a split-scar design, which can ameliorate many potentially confounding individual patient factors that could affect scar outcome. Full-thickness skin grafts (FTSGs) are a commonly utilized reconstructive option in cutaneous surgery, and are typically harvested from behind the ear (postauricular) to close surgical defects on the head and face following surgical removal of both benign and malignant cutaneous tumors. This study aims to investigate whether the choice of straight-line linear closure versus a zig-zag broken line cutaneous closure technique (W-plasty) affects the cosmetic outcome of postauricular scars resulting from donor site closure following FTSG harvest. Additionally, skin lesions removed behind the ear present another opportunity to compare outcomes of these two techniques in an inconspicuous location.

Official TitleComparison of Cosmetic Outcomes of Straight Line and W-plasty Techniques for Linear Wound Closure: a Randomized Evaluator Blinded Split Wound Comparative Effectiveness Trial
Principal SponsorUniversity of California, Davis
Last updated: January 28, 2026
Sourced from a government-validated database.Claim as a partner

Protocol

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

50 patients to be enrolled

Total number of participants that the clinical trial aims to recruit.

Other Study

Some studies explore topics that don't fall into a specific category. These might include innovative research, new technologies, or emerging healthcare areas.


Eligibility

Researchers look for people who fit a certain description, called eligibility criteria: person's general health condition or prior treatments.
Criteria

Any sex

Biological sex of participants that are eligible to enroll.

Over 18 Years

Range of ages for which participants are eligible to join.

Healthy volunteers not allowed

If individuals who are healthy and do not have the condition being studied can participate.

Criteria

4 inclusion criteria required to participate
18 years of age or older

Able to give informed consent themselves

Patient scheduled for cutaneous surgical procedure on the head or face for which a full thickness skin graft will be used as part of the reconstruction or has a lesion that will be excised in mastoid area of the neck, behind the ear.

Willing to return for follow up visit.

5 exclusion criteria prevent from participating
Wounds predicted to be less than 3 cm in size after closure.

Unable to understand written and oral English

Incarceration

Under 18 years of age

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Study Plan

Find out more about all the medication administered in this study, their detailed description and what they involve.
Treatment Groups
Study Objectives

2 intervention groups are designated in this study

This study does not include a placebo group 

Treatment Groups

Group I

Active Comparator
The cosmetic appearance of scars closed in a standard "straight line" fashion (linear closure).

Group II

Active Comparator
The cosmetic appearance of scars closed in a in a "zig-zag" " fashion (W-plasty).

Study Objectives

Primary Objectives

Study Centers

These are the hospitals, clinics, or research facilities where the trial is being conducted. You can find the location closest to you and its status.

This study has 1 location

Suspended

University of California, Davis

Sacramento, United StatesOpen University of California, Davis in Google Maps
CompletedOne Study Center