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Effect of Cold Air Cooling on the Incidence of Post Inflammatory Hyperpigmentation Following a Q-Switched Nd:YAG Laser Treatment of Acquired Bilateral Nevus of Ota-Like Macules


N/A
18 Years
60 Years
Not Enrolling
Both
Nevus, Hyperpigmentation

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Trial Information

Effect of Cold Air Cooling on the Incidence of Post Inflammatory Hyperpigmentation Following a Q-Switched Nd:YAG Laser Treatment of Acquired Bilateral Nevus of Ota-Like Macules


- 70% incidence of post inflammatory hyperpigmentation has been reported following a
Q-switched nd:YAG laser treatment of acquired bilateral nevus of Ota-like macules.

- We assumed that epidermal cooling may minimize the non-specific injury to the epidermis
caused during laser irradiation, leading to the decreased incidence of post
inflammatory hyperpigmentation.


Inclusion Criteria:



- Subjects with acquired bilateral nevus of Ota-like macules.

- At least 18 years old

- No previous treatment on the condition for a minimum period of 1 month.

Exclusion Criteria:

- Subjects diagnosed of scleroderma, connective tissue disorders, hematologic
disorders, hepatitis, infection, or uncontrolled DM

- History of keloid and/or hypertrophic scar.

- Currently on anti-coagulant

Type of Study:

Interventional

Study Design:

Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Double Blind (Subject, Outcomes Assessor)

Outcome Measure:

Incidence of post inflammatory hyperpigmentation

Outcome Time Frame:

2 weeks

Safety Issue:

Yes

Principal Investigator

Woraphong - Manuskiatti, M.D.

Investigator Role:

Principal Investigator

Investigator Affiliation:

Mahidol University

Authority:

Thailand: Ethical Committee

Study ID:

185/2005

NCT ID:

NCT00287001

Start Date:

December 2005

Completion Date:

April 2006

Related Keywords:

  • Nevus
  • Hyperpigmentation
  • Acquired bilateral nevus of Ota-like macules
  • Postinflammatory hyperpigmentation
  • Cold air cooling
  • Nevus
  • Nevus, Pigmented
  • Nevus of Ota
  • Hyperpigmentation
  • Pigmentation Disorders

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