Acne | The Effect of Doxycycline 100mg and Doxycycline 20mg in Treatment of Mild and Moderate Acne

Acne research study

What is the primary objective of this study?

The purpose of this study is to compare the safety and efficacy of twice daily subantimicrobial dose doxycycline 20mg with daily doxycycline 100mg in treatment of mild and moderate Acne.

Who is eligible to participate?

Inclusion Criteria: - Acne Exclusion Criteria: - Pregnancy

Which medical condition, disease, disorder, syndrome, illness, or injury is researched?



Study Interventions

Interventions can include giving participants drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available or noninvasive approaches such as surveys, education, and interviews.


Study Arms

Research studies and clinical trials typically have two or more research arms. An arm is a group of people who receive the same treatment in the study.

Study Status

Unknown status

Start Date: October 2005

Completed Date: October 2006

Phase: Phase 2/Phase 3

Type: Interventional


Primary Outcome:

Secondary Outcome:

Study sponsors, principal investigator, and references

Principal Investigator: Parviz Toossi, M.D.

Lead Sponsor: Shahid Beheshti University of Medical Sciences


More information:

Discuss Doxycycline