NCT04105504

Brief Summary

The objective of the study was to evaluate the efficacy and safety of oral glutathione for 12 weeks, used as a skin-whitening agent. The study was a randomized, double-blind, placebo-controlled, multicenter study, set at Dermatology outpatient clinic at three different hospitals in Indonesia, Gatot Seobroto Army Hospital Jakarta, Dr. dr. Wahiddin Soedirohoesodo Hospital Makassar, and University of Sumatera Utara Teaching Hospital Medan. Ninety healthy females, aged between 33 and 50 years, were randomized to receive either glutathione capsules or placebo for 12 weeks and evaluated every 4 weeks. The main outcome was total reduction (improvement) of spot UV, spot polarization, and skin tone measured at five different sites for each indices, recorded by Janus Facial Analysis System®.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
90

participants targeted

Target at P75+ for phase_1

Timeline
Completed

Started Apr 2018

Shorter than P25 for phase_1

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 8, 2018

Completed
2 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 6, 2018

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2018

Completed
1 year until next milestone

First Submitted

Initial submission to the registry

August 8, 2019

Completed
2 months until next milestone

First Posted

Study publicly available on registry

September 26, 2019

Completed
Last Updated

September 26, 2019

Status Verified

September 1, 2019

Enrollment Period

2 months

First QC Date

August 8, 2019

Last Update Submit

September 24, 2019

Conditions

Keywords

glutathionewhitening

Outcome Measures

Primary Outcomes (9)

  • Change from Baseline Spot UV at 4 weeks

    Total reduction (improvement) of spot UV

    4 weeks

  • Change from Baseline Spot Polarization at 4 weeks

    Total reduction (improvement) of spot polarization

    4 weeks

  • Change from Baseline Skin Tone at 4 weeks

    Improvement of skin tone

    4 weeks

  • Change from Baseline Spot UV at 8 weeks

    Total reduction (improvement) of spot UV

    8 weeks

  • Change from Baseline Spot Polarization at 8 weeks

    Total reduction (improvement) of spot polarization

    8 weeks

  • Change from Baseline Skin Tone at 8 weeks

    Improvement of skin tone

    8 weeks

  • Change from Baseline Spot UV at 12 weeks

    Total reduction (improvement) of spot UV

    12 weeks

  • Change from Baseline Spot Polarization at 12 weeks

    Total reduction (improvement) of spot polarization

    12 weeks

  • Change from Baseline Skin Tone at 12 weeks

    Improvement of skin tone

    12 weeks

Secondary Outcomes (6)

  • Subjective Improvement at 4 weeks

    4 weeks

  • Adverse events at 4 weeks

    4 weeks

  • Subjective Improvement at 8 weeks

    8 weeks

  • Adverse events at 8 weeks

    8 weeks

  • Subjective Improvement at 12 weeks

    12 weeks

  • +1 more secondary outcomes

Study Arms (2)

Glutathione Group

EXPERIMENTAL

Subjects were randomised to receive Glutathione capsules. The capsules were taken once daily for 12 weeks and evaluated every 4 weeks.

Drug: Glutathione

Placebo Group

PLACEBO COMPARATOR

Subjects were randomised to receive Placebo capsules, which were identical in appearance and packaged in identical-looking containers with the Glutathione capsules. The capsules were taken once daily for 12 weeks and evaluated every 4 weeks.

Drug: Placebo oral tablet

Interventions

Oral glutathione capsule (500 mg), were taken once daily by the subjects.

Also known as: L-Gluthatione
Glutathione Group

Placebo oral capsule were taken once daily by the subjects.

Placebo Group

Eligibility Criteria

Age30 Years - 55 Years
Sexfemale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Healthy subjects with skin type Fitzpatrick IV and V
  • Women aged from 30 to 55 years with an understanding of all the information given by a written consent form
  • Working indoor office jobs (for minimum 8 hours)

You may not qualify if:

  • Personal or family history of skin cancer, especially melanoma
  • Consumption of any preparations containing glutathione within 1 month of enrollment
  • Use of any topical skin brightening or whitening preparations within 1 month of enrollment
  • Pigmentary disorders or any dermatoses, which may affect the measurement within the study areas
  • A pregnant or breastfeeding mother
  • Personal history of drug allergy or skin disorder due to side effects of oral therapy

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Faculty of Medicine, Universitas Indonesia

Jakarta Pusat, 10430, Indonesia

Location

Related Publications (1)

  • Sitohang IBS, Anwar AI, Jusuf NK, Arimuko A, Norawati L, Veronica S. Evaluating Oral Glutathione Plus Ascorbic Acid, Alpha-lipoic Acid, and Zinc Aspartate as a Skin-lightening Agent: An Indonesian Multicenter, Randomized, Controlled Trial. J Clin Aesthet Dermatol. 2021 Jul;14(7):E53-E58. Epub 2021 Jul 1.

MeSH Terms

Interventions

Glutathione

Intervention Hierarchy (Ancestors)

OligopeptidesPeptidesAmino Acids, Peptides, and Proteins

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Dr. dr. Irma Bernadette S. Sitohang, SpKK(K) - Head of Cosmetic Dermatology Division of Dermatology and Venereology Department of Faculty of Medicine Universitas Indonesia / Cipto Mangunkusumo Hospital

Study Record Dates

First Submitted

August 8, 2019

First Posted

September 26, 2019

Study Start

April 8, 2018

Primary Completion

June 6, 2018

Study Completion

August 1, 2018

Last Updated

September 26, 2019

Record last verified: 2019-09

Data Sharing

IPD Sharing
Will not share

Locations