Role of Oral Glutathione in Skin Whitening
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT01016080 |
Recruitment Status :
Completed
First Posted : November 18, 2009
Last Update Posted : November 18, 2009
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Skin Whitening | Drug: glutathione Drug: placebo | Phase 1 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 60 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Triple (Participant, Investigator, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | Glutathione as an Oral Whitening Agent: a Randomized, Double-blind, Placebo-controlled Study |
Study Start Date : | February 2009 |
Actual Primary Completion Date : | May 2009 |
Actual Study Completion Date : | June 2009 |

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 |
- Skin melanin index [ Time Frame: 4 weeks ]

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years to 25 Years (Adult) |
Sexes Eligible for Study: | All |
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

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01016080
Thailand | |
King Chulalongkorn Memorial Hospital | |
Bangkok, Thailand, 10330 |
Responsible Party: | Pravit Asawanonda, Chulalongkorn University |
ClinicalTrials.gov Identifier: | NCT01016080 |
Other Study ID Numbers: |
COA840/2008 |
First Posted: | November 18, 2009 Key Record Dates |
Last Update Posted: | November 18, 2009 |
Last Verified: | November 2009 |
glutathione melanin whitening UV spots skin pigment |