Role of Oral Glutathione in Skin Whitening

November 17, 2009 updated by: Chulalongkorn University

Glutathione as an Oral Whitening Agent: a Randomized, Double-blind, Placebo-controlled Study

Oral and intravenous glutathione have been used widely to whiten the skin. The investigators tested this hypothesis by giving oral glutathione for 4 weeks to medical students.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

60

Phase

  • Phase 1

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

  • Thailand
      • Bangkok, Thailand, 10330
        • King Chulalongkorn Memorial 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

Ages Eligible for Study

16 years to 23 years (Adult)

Accepts Healthy Volunteers

N/A

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Healthy medical students

Exclusion Criteria:

  • history of skin cancer, especially melanoma
  • consumption of any preparations containing glutathione within 1 month of enrollment
  • pigmentary disorders or any dermatoses

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: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Triple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: oral glutathione
glutathione, 500 mg, taken orally twice daily
Drug: glutathione
250 mg capsules, twice daily, orally
Placebo Comparator: placebo capsules
identical-appearing placebo capsules
Drug: placebo
250 mg capsules, twice daily, orally

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Skin melanin index
Time Frame: 4 weeks
4 weeks

Collaborators and Investigators

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

Sponsor

Chulalongkorn University

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

February 1, 2009

Primary Completion (Actual)

May 1, 2009

Study Completion (Actual)

June 1, 2009

Study Registration Dates

First Submitted

November 17, 2009

First Submitted That Met QC Criteria

November 17, 2009

First Posted (Estimate)

November 18, 2009

Study Record Updates

Last Update Posted (Estimate)

November 18, 2009

Last Update Submitted That Met QC Criteria

November 17, 2009

Last Verified

November 1, 2009

More Information

Terms related to this study

Keywords

Other Study ID Numbers

  • COA840/2008

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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