Safety Study of Topical Doxycycline Gel for Adult Diabetic Lower Extremity Ulcers
A Randomized, Double-Blind Study to Evaluate the Safety and Efficacy of NanoDOX™ Hydrogel(1.0% Doxycycline Monohydrate)in Diabetic Adult Subjects With Lower Extremity Ulcers Compared to Placebo Hydrogel.
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Detailed Description
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
Florida
-
Gainesville, Florida, United States, 32608
- North Florida / South Georgia Veterans Administration Hospital
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Have a documented history of type I or type II diabetes mellitus as defined by the American Diabetes Association
Women of childbearing potential must have a negative urine pregnancy test at screening and at baseline, and:
• Agree to use a double-barrier method of contraception during their participation in this study;
- condoms (with spermicide) and hormonal contraceptives OR
- condoms (with spermicide) and intrauterine device OR
- intrauterine device and hormonal contraceptives OR
- Abstains from sexual intercourse during their participation in this study OR
- Is with a same-sex partner and does not participate in bisexual activities where there is a risk of becoming pregnant
- Have an ulcer on the lower extremity (distal to a line connecting the medial and lateral malleoli) that has been present for at least 3 weeks and that is 1.2 cm2 to 4.0 cm2 at initial screening
- Be able to apply study drug to their ulcer, or have a caregiver do it
- Adequate blood flow to target ulcer extremity as measured by transcutaneous oxygen tension (TcpO2) of >30mmHg
- Target ulcer is Grade I according to the Wagner Grading Scale
- Quantitative bacterial count of of < 1.0 x 1.0E5 per gram of tissue for non-infected ulcers
- Quantitative bacterial count of ≥ 1.0 x 1.0E5 per gram of tissue for infected ulcers
Exclusion Criteria:
- Be a pregnant or lactating woman or a female of childbearing potential who is not practicing acceptable form of birth control.
- Allergy to tetracycline, minocycline, demeclocycline, or any other known tetracycline derivative
- Have more than three chronic ulcers present at baseline
- Have undergone treatment with system corticosteroid or immunosuppressive therapy in the past 2 months
- Have connective tissue disease
- Currently be going through kidney dialysis for renal failure
- Have undergone treatment with doxycycline, Procuren®, or Regranex® within the last 30 days
- Have participated in another clinical research trial within the last 30 days
- Have a known history of osteomyelitis affecting to the area where the target ulcer is present
- Have any other concomitant condition which, in the opinion of the investigator, would make the subject unsuitable for the study.
- Subject has ulcers resulting from any cause other than diabetes (electrical burn, arterial insufficiency, chemical or radiation insult)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: DOUBLE
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
EXPERIMENTAL: NanoDOX™ Hydrogel
1.0% doxycycline gel
|
1.0% doxycycline gel applied topically to the wound once daily for 20 weeks
|
|
PLACEBO_COMPARATOR: Placebo
placebo gel
|
placebo gel applied topically to the wound once daily for 20 weeks
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Number of Participants Without Adverse Events
Time Frame: every 2 weeks
|
Participants were monitored for 20 weeks during the study.
|
every 2 weeks
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Analyze the Molecular Changes in Pro-inflammatory Cytokine Levels That Occur in Diabetic Foot Ulcers as a Function of Healing Rate in the Presence /Absence of NanoDOX Hydrogel (1% Doxycycline Monohydrate Gel)
Time Frame: baseline, week 4, week 10, week 20
|
baseline, week 4, week 10, week 20
|
Collaborators and Investigators
Sponsor
Sponsor
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (ACTUAL)
Primary Completion
Study Completion (ACTUAL)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
First Posted
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Pathologic Processes
- Cardiovascular Diseases
- Vascular Diseases
- Skin Diseases
- Endocrine System Diseases
- Diabetic Angiopathies
- Skin Ulcer
- Diabetes Complications
- Diabetes Mellitus
- Diabetic Neuropathies
- Foot Diseases
- Diabetic Foot
- Foot Ulcer
- Ulcer
- Leg Ulcer
- Anti-Infective Agents
- Anti-Bacterial Agents
- Antiprotozoal Agents
- Antiparasitic Agents
- Antimalarials
- Doxycycline
Other Study ID Numbers
Other Study ID Numbers
- 2008-DOX-NT/003
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