Safety Study to Examine the Systemic Exposure of Granexin® Gel After Topical Application to Diabetic Foot Ulcers

Completed · Phase 1

Conditions studied: Diabetic Foot Ulcers

In brief

The purpose of this study is to determine the systemic exposure of Granexin® gel after topical application to human subjects' diabetic foot ulcers.

Key facts

Study ID

NCT02652754

Run by

Xequel Bio, Inc.

People needed

16

Starts

2015-09-01

Expected to finish

2018-05-01

Last updated by the study team

2018-08-01

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Age 18 or older
• Established diagnosis of diabetes mellitus (type I or II)
• Glycosylated hemoglobin (HbA1c) value < 10.0% at the screening visit
• Diagnosis of neuropathic foot ulcer(s)
• Designated foot ulcer meets the following criteria at both the screening an baseline visits. If the patient has multiple ulcers, at least one ulcer must meet the following criteria at both the screening and baseline visits: a) Present for at least 4 weeks; b) Full-thickness cutaneous ulcer below the ankle surface; c) University of Texas grade A1; d) Area (after debridement) > 4 square cm; e) Viable, granulating wound (investigator discretion)
• Ankle brachial index 0.7 to 1.3 at both the screening and baseline visits
• Signed informed consent
• Female patients of childbearing potential must have a negative pregnancy test at screening and must agree to use hormonal contraceptive, intrauterine device, diaphragm with spermicide, condom with spermicide, or abstinence throughout until 2 weeks after the last administration of study drug.

You may not qualify if…

• Decrease in size of the designated target ulcer(s) by ≥ 30% during the 7-day screening period.
• Impaired cognition determined by clinical investigator
• Cannot tolerate the off-loading method or cannot comply with study-defined standard-of-care treatment.
• Has an ulcer that meets any of the following criteria: a) Shows signs of severe clinical infection, defined as pus oozing from the ulcer site; b) Is positive for β-hemolytic streptococci upon culture; c) Has > 50% slough, significant necrotic tissue, bone, tendon, or capsule exposure; d) Is highly exuding (i.e., requires daily change of dressing)
• Requires total contact cast
• Ankle brachial pressure index <0.7 or > 1.3 or ankle systolic pressure <70 mmHg.
• Has a systemic infection
• Has any 1 of the following (only 1 of the 3 tests is required): a) On Doppler waveform analysis of the dorsalis pedis and posterior tibial arteries, a monophasic or biphasic flow (with loss of reverse flow) in either the artery of either foot; b) Toe: bracial index < 0.7 or > 1.3; c) Transcutaneous oxygen pressure < 40 mmHg
• Presence of active systemic or local cancer or tumor of any king (exception: nonmelanoma skin cancer allowable at investigator discretion)
• Congestive heart failure (New York Heart Association class II-IV) or coronary heart disease with ST segment elevation, myocardial infarction or coronary artery bypass graft, or percutaneous transluminal coronary angioplasty within the last 6 months.
• Active osteomyelitis of the foot with the target ulcer(s)
• Active connctive tissue disease
• Acute Charcot's neuro-arthropathy as determined by clinical and/or radiographic examination.
• Active treatment with systemic corticosteroids.
• Previous or current radiation therapy to the distal lower extremity or likelihood to receive this therapy during study participation.
• Pregnant or nursing.
• Uncontrolled anemia (hemoglobin < 10 g/dL in females and < 12 g/dL in males).
• Estimated glomerular filtration rate < 25 g/L.
• Poor nutritional status, defined as an albumin < 25 g/L.
• Significant peripheral edema as per investigator's discretion
• Known inability or unavailability to complete required study visits during study participation.
• A psychiatric condition (e.g., suicidal ideation) or chronic alcohol or drug abuse problem, determined from the patient's medical history, which in the opinion of the investigator, may pose a threat to patient compliance.
• Use of a platelet-derived growth factor within 28 days before screening.
• Use of any investigational drug or therapy within 28 days before screening.
• Has any other factor which may, in the opinion of the investigator, compromise participation and/or follow-up in the study.

Where it is running

• Aiyan Diabetes Center — Augusta, Georgia, United States
• Spartanburg Regional Healthcare System — Spartanburg, South Carolina, United States
• Salem VA Medical Center — Salem, Virginia, United States

Full record on ClinicalTrials.gov

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