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A Clinical Trial to Determine the Effects of 40 Mg Doxycycline Versus a Placebo Control for the Treatment of Rosacea

Phase 3
Completed
Conditions
Rosacea
Registration Number
NCT00126399
Lead Sponsor
CollaGenex Pharmaceuticals
Brief Summary

The objective of this study is to evaluate the safety and efficacy of 40 mg doxycycline controlled-release capsules administered once daily for the treatment of rosacea compared with a placebo.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
528
Inclusion Criteria
  • Healthy patients with rosacea
  • Males and females ≥18 years of age
  • 10 to 40 papules and pustules and ≤2 nodules
  • Score of 2 to 4 on the IGA
  • Presence of telangiectasia
  • Moderate to severe erythema

Main

Exclusion Criteria
  • Use of topical acne treatments or topical or systemic antibiotics
  • Use of systemic retinoids within 90 days of baseline
  • Use of an investigational drug within 90 days of baseline
  • Pregnant or nursing women
  • Women of childbearing potential not using an adequate form of contraception
  • Change in method of contraception within 4 months of baseline
  • Known hypersensitivity to tetracyclines
  • Surgeries that bypass or exclude the duodenum or achlorhydria

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Primary Outcome Measures
NameTimeMethod
Change in total inflammatory lesion count
Secondary Outcome Measures
NameTimeMethod
Change from baseline in erythema scale scores
change from baseline in the investigator's global assessment (IGA) score
proportion of patients being clear or near-clear at endpoint
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