NCT01846338

Brief Summary

The aim of this study is to investigate the therapeutic effects of green tea extract on acne treatment and related hormone peptides by a double-blinded, randomized and controlled clinical trial.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
80

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Oct 2012

Geographic Reach
1 country

1 active site

Status
unknown

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

October 1, 2012

Completed
7 months until next milestone

First Submitted

Initial submission to the registry

May 1, 2013

Completed
2 days until next milestone

First Posted

Study publicly available on registry

May 3, 2013

Completed
29 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2013

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2013

Completed
Last Updated

May 3, 2013

Status Verified

May 1, 2013

Enrollment Period

8 months

First QC Date

May 1, 2013

Last Update Submit

May 2, 2013

Conditions

Keywords

acne, EGCG, green tea

Outcome Measures

Primary Outcomes (1)

  • acne lesion counts

    four weeks

Secondary Outcomes (1)

  • quality of life, SF-12

    four weeks

Study Arms (2)

green tea extract EGCG

EXPERIMENTAL

experimental: green tea extract EGCG, 500mg , tid, 4 weeks

Dietary Supplement: green tea extract EGCG

cellulose

PLACEBO COMPARATOR

Placebo Comparator: cellulose, 500 mg tid, 4 weeks

Dietary Supplement: green tea extract EGCG

Interventions

green tea extract EGCGDIETARY_SUPPLEMENT

EGCG, 500mg, tid, 4 weeks

cellulosegreen tea extract EGCG

Eligibility Criteria

Age20 Years - 45 Years
Sexfemale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Female patient
  • to 45 years of age
  • moderate or severe acne vulgaris as defined by the Investigator's Global Assessment (IGA; score of 3 or 4 on a scale from 0 to 5)

You may not qualify if:

  • Received systemic retinoid or hormone treatment in the previous 3 months.
  • Abnormal liver enzymes or kidney function tests (1.5 times higher than the upper normal limit)
  • abnormal blood chemistry
  • Pregnant or breast feeding women or the intention of becoming pregnant
  • Concurrent systemic illness
  • PCOS
  • Very severe acne(IGA score5)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Taipei City Hospital

Taipei, Taiwan, 886, Taiwan

Location

Related Publications (2)

  • Hsu CH, Tsai TH, Kao YH, Hwang KC, Tseng TY, Chou P. Effect of green tea extract on obese women: a randomized, double-blind, placebo-controlled clinical trial. Clin Nutr. 2008 Jun;27(3):363-70. doi: 10.1016/j.clnu.2008.03.007. Epub 2008 May 12.

    PMID: 18468736BACKGROUND
  • Hsu CH, Liao YL, Lin SC, Tsai TH, Huang CJ, Chou P. Does supplementation with green tea extract improve insulin resistance in obese type 2 diabetics? A randomized, double-blind, and placebo-controlled clinical trial. Altern Med Rev. 2011 Jun;16(2):157-63.

    PMID: 21649457BACKGROUND

MeSH Terms

Conditions

Acne Vulgaris

Condition Hierarchy (Ancestors)

Acneiform EruptionsSkin DiseasesSkin and Connective Tissue DiseasesSebaceous Gland Diseases

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associated Professor

Study Record Dates

First Submitted

May 1, 2013

First Posted

May 3, 2013

Study Start

October 1, 2012

Primary Completion

June 1, 2013

Study Completion

September 1, 2013

Last Updated

May 3, 2013

Record last verified: 2013-05

Locations