Safety and Efficacy of Different Intervals of Pulsed Dye Laser Sessions on Improvement of Surgical Scars - Full Text View

Purpose

The appearance of skin after surgery plays an important role in patient's self confidence and life style. In fact, Keloids and hypertrophic scars are abnormal wound responses appearing in predisposed individuals after surgery. Among different kind of lasers, used to improve the appearance of hypertrophic scars and keloids, pulsed dye laser is now being used successfully in treatment of scars. Pulsed dye laser is effective in improving the color, height, texture, and elasticity of scars. Also, treatment with this technique is noninvasive, minimally uncomfortable, and requires no anesthesia. This study will assess the efficacy and safety of different intervals of pulsed dye laser sessions on improvement of surgical scars.

Condition	Intervention
Scar	Procedure: pulsed dye laser therapy

MedlinePlus related topics:

Scars

U.S. FDA Resources

Study Type:	Interventional
Study Design:	Prevention, Randomized, Double Blind (Subject, Investigator, Outcomes Assessor), Factorial Assignment, Safety/Efficacy Study

Official Title:	The Effect of Different Intervals of 595-nm Pulsed Dye Laser Sessions on Improvement of Surgical Scars: A Double Blind Randomised Clinical Trial

Further study details as provided by Tehran University of Medical Sciences:

Primary Outcome Measures:

pigmentation, pliability, width and height of surgical scars [ Time Frame: baseline, middle of the study, 1 and 3 months after the last treatment session ] [ Designated as safety issue: No ]

Secondary Outcome Measures:

1- Clinical appearance of surgical scars 2- Patient's satisfaction (scar erythema, scar thickness and scar induration) 3- Adverse events [ Time Frame: 1 and 3 months after the last treatment session ] [ Designated as safety issue: Yes ]

Estimated Enrollment:	15
Study Start Date:	July 2007
Estimated Study Completion Date:	January 2009
Estimated Primary Completion Date:	November 2008 (Final data collection date for primary outcome measure)

Arms	Assigned Interventions
A: Experimental pulsed dye laser and dynamic cooling device at 3 weeks intervals	Procedure: pulsed dye laser therapy Treatment will begin on the day of suture removal. Each scar will be divided into 3 equal parts. One part will be randomly allocated to be treated with pulsed dye laser and dynamic cooling device at 3 weeks intervals for 6 sessions. Another part will be treated with pulsed dye laser and dynamic cooling device at 6 weeks intervals for 6 sessions. Only dynamic cooling device will be used for remaining part serving as control.
B: Active Comparator pulsed dye laser and dynamic cooling device at 6 weeks intervals	Procedure: pulsed dye laser therapy Treatment will begin on the day of suture removal. Each scar will be divided into 3 equal parts. One part will be randomly allocated to be treated with pulsed dye laser and dynamic cooling device at 3 weeks intervals for 6 sessions. Another part will be treated with pulsed dye laser and dynamic cooling device at 6 weeks intervals for 6 sessions. Only dynamic cooling device will be used for remaining part serving as control.
C: Sham Comparator dynamic cooling device	Procedure: pulsed dye laser therapy Treatment will begin on the day of suture removal. Each scar will be divided into 3 equal parts. One part will be randomly allocated to be treated with pulsed dye laser and dynamic cooling device at 3 weeks intervals for 6 sessions. Another part will be treated with pulsed dye laser and dynamic cooling device at 6 weeks intervals for 6 sessions. Only dynamic cooling device will be used for remaining part serving as control.

Eligibility

Ages Eligible for Study:	18 Years to 80 Years
Genders Eligible for Study:	Both
Accepts Healthy Volunteers:	No

Criteria

Inclusion Criteria:

Surgical scar with minimum length of 6 cm

Exclusion Criteria:

History of light sensitivity or photodermatoses
History of adverse reactions to laser treatment

Contacts and Locations

Please refer to this study by its ClinicalTrials.gov identifier: NCT00506090

Contacts


Contact: Parastoo Davari, MD	00989123711337	davaripa@yahoo.com

Locations


Iran, Islamic Republic of
	Center for research and training in skin diseases and leprosy	Recruiting
	Tehran, Iran, Islamic Republic of, 14166
	Principal Investigator: Alireza Firooz, MD

Sponsors and Collaborators

Tehran University of Medical Sciences

Investigators


Principal Investigator:	Alireza Firooz, MD	Tehran University of Medical Sciences

More Information

Publications:

Nouri K, Jimenez GP, Harrison-Balestra C, Elgart GW. 585-nm pulsed dye laser in the treatment of surgical scars starting on the suture removal day. Dermatol Surg. 2003 Jan;29(1):65-73; discussion 73.

Conologue TD, Norwood C. Treatment of surgical scars with the cryogen-cooled 595 nm pulsed dye laser starting on the day of suture removal. Dermatol Surg. 2006 Jan;32(1):13-20.

Paquet P, Hermanns JF, Pierard GE. Effect of the 585 nm flashlamp-pumped pulsed dye laser for the treatment of keloids. Dermatol Surg. 2001 Feb;27(2):171-4.

Alster TS, Williams CM. Treatment of keloid sternotomy scars with 585 nm flashlamp-pumped pulsed-dye laser. Lancet. 1995 May 13;345(8959):1198-200.

Alam M, Pon K, Van Laborde S, Kaminer MS, Arndt KA, Dover JS. Clinical effect of a single pulsed dye laser treatment of fresh surgical scars: randomized controlled trial. Dermatol Surg. 2006 Jan;32(1):21-5.

Manuskiatti W, Wanitphakdeedecha R, Fitzpatrick RE. Effect of pulse width of a 595-nm flashlamp-pumped pulsed dye laser on the treatment response of keloidal and hypertrophic sternotomy scars. Dermatol Surg. 2007 Feb;33(2):152-61.

Responsible Party:	Tehran University of Medical Sciences ( Center for research and training in skin diseases and leprosy )
Study ID Numbers:	423/2224-A
First Received:	July 23, 2007
Last Updated:	January 13, 2008
ClinicalTrials.gov Identifier:	NCT00506090
Health Authority:	Iran: Ministry of Health

Keywords provided by Tehran University of Medical Sciences:

scar

surgery

lasers

Study placed in the following topic categories:

Skin Diseases

Cicatrix

ClinicalTrials.gov processed this record on September 05, 2008

Sponsored by:	Tehran University of Medical Sciences
Information provided by:	Tehran University of Medical Sciences
ClinicalTrials.gov Identifier:	NCT00506090