ClinicalTrials.gg
Status unknownNCT00388778Updated Jan 23, 2008

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

A Phase 2/3 interventional study of Doxycycline in Acne and Inflammation, sponsored by Shahid Beheshti University of Medical Sciences. Status unknown at 1 site in Iran. Open to participants aged 18 Years to 40 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2008-01-23.

Sponsored by Shahid Beheshti University of Medical Sciences · Phase 2/3, Interventional, and Treatment

The sponsor has not verified this record recently (last verified Jan 2008), so the status shown — last known as Recruiting — may be out of date.
Phase
Phase 2/3
Study type
Interventional
Enrollment
100
Allocation
Randomized
Ages
18 Years to 40 Years
Sex
All
01

Study summary

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.

02

Conditions studied

  • Acne
  • Inflammation
03

In context

Acne Vulgaris

750 studies on the registry are indexed under Acne Vulgaris; 89 are open to participants now.

This study's planned enrollment of 100 is above the median of 69 across 647 interventional studies indexed under Acne Vulgaris.

Browse Acne Vulgaris studies →

Lead sponsor

Shahid Beheshti University of Medical Sciences is the lead sponsor of 229 studies on the registry; 19 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 40 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Acne

Exclusion criteria

Exclusion Criteria:

  • Pregnancy
05

Study design

Phase
Phase 2 / Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double
Enrollment
100 participants (estimated)

Interventions

06

Study locations

1 of 1 sites recruiting
  • Skin Research Center, Shaheed Beheshti Medical University
    Tehran, 19899, Iran
    • Parviz Toossi, M.D. · Contact · src@sbmu.ac.ir · 98-21-22744392
    • Parviz Toossi, M.D. · Principal investigator
    • Nahid Mohtasham, MD · Sub investigator
    Recruiting
07

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jan 23, 2008, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
08

Registry details

Key details

Study ID
NCT00388778
First posted
Oct 17, 2006
Start date
Oct 2005
Completion
Oct 2006
Last update
Jan 23, 2008

Study contacts

Parviz Toossi, M.D.
Contact
src@sbmu.ac.ir
98-21-22744392
Parviz Toossi, M.D.
principal investigator · Shahid Beheshti University of Medical Sciences
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is status unknown, as verified in Jan 2008. You cannot join it, but the record below documents what was studied.

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Studies of the drug tested here: Doxycycline

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