A Study of Granexin Gel in the Treatment of Diabetic Foot Ulcer



Status:Recruiting
Conditions:Gastrointestinal, Podiatry, Diabetes
Therapuetic Areas:Endocrinology, Gastroenterology, Orthopedics / Podiatry
Healthy:No
Age Range:18 - Any
Updated:2/27/2019
Start Date:July 2015
End Date:May 2020
Contact:Gautam S. Ghatnekar, Ph.D.
Email:info@firststringresearch.com
Phone:8433883276

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A Phase 3, Randomized, Double-blind, Parallel-group, Vehicle Controlled, Multicenter Study of the Efficacy and Safety of Granexin Gel in the Treatment of Diabetic Foot Ulcer (GAIT 1)

The purpose of this study is to determine whether Granexin gel is safe and effective in the
treatment of diabetic foot ulcers.

DFU patients will undergo a one week screening period and those with changes in ulcer size of
less than 30% will be eligible for randomization providing all other criteria are met.
Participants enrolled in the study will receive treatment based on randomization into 1 of 3
treatment arms for up to 12 weeks. The participants will have an additional 12 week follow-up
period beyond the treatment period to assess durability of wound closure.

Inclusion Criteria:

Both male and female participants may participate in the study.

To be eligible for entry into this study, a patient must meet all of the following
Inclusion criteria:

1. Age 18 years or older

2. Established diagnosis of diabetes mellitus (type I or II)

3. Glycosylated hemoglobin (HbA1c) value < 10.0% at the screening visit

4. Diagnosis of neuropathic foot ulcer by 10g monofilament test, tuning fork (128 Hz), or
cotton wisp

5. Designated foot ulcer meets the following criteria at both the screening and baseline
visits:

1. Present for at least 4 weeks

2. Full-thickness cutaneous ulcer below the ankle surface

3. University of Texas grade A1

4. Wound area (after debridement) 1 to 40.0 cm2

5. Viable, granulating wound (investigator discretion)

6. Ankle brachial index ≤ 0.7 at both the screening and baseline visits. If the ABI is
>1.30, one of the following confirmatory tests must be performed for the patient to be
considered eligible:

1. Does Not have a monophonic or biphasic flow (with the loss of reverse flow) in
the artery of the foot with the target ulcer via doppler waveform analysis of the
dorsalis pedis and posterior tibial arteries, as determined by standard practices
of the investigator and the site.

2. Transcutaneous oxygen pressure (TcPO2) at the foot >40 mmHg

Additionally, patients must meet all other protocol-defined eligibility criteria.

7. Signed informed consent

8. 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 investigational product. Male patients must also agree to
use contraception such as a condom.

Exclusion Criteria:

Patients will not be eligible for enrollment in the study if they meet any of the exclusion
criterial listed below:

1. Change (decrease or increase) in size of the designated target ulcer by ≥ 30% during
the 7-day screening period

2. Cannot tolerate the off-loading methods or cannot comply with study related procedures

3. Has an ulcer that meets any of the following criteria:

1. Shows signs of severe clinical infection, defined as pus oozing from the ulcer
site

2. Requires surgical debridement

3. Is positive for β-hemolytic streptococci upon culture performed prior to
screening debridement procedure

4. Has > 50% slough, significant necrotic tissue, bone, tendon, or capsule exposure

5. Is highly exuding (i.e., requires daily change of dressing)

4. Requires total contact cast

5. Ankle brachial pressure index < 0.7

6. Has a local or systemic infection or local lymphangitis ≥ 0.5 cm

7. Has any 1 of the following (only 1 of the 2 tests is required):

1. A monophasic or biphasic flow (with loss of reverse flow) in the artery of the
foot with the target ulcer via doppler waveform analysis of the dorsalis pedis
and posterior tibial arteries

2. Transcutaneous oxygen pressure (TcPO2) at the foot <40 mgHg

8. Presence of active malignant or benign tumor of any kind, (with the exception to
nonmelanoma skin cancer as per investigator's discretion)

9. Congestive heart failure (New York Heart Association class II-IV)

10. Coronary heart disease with ST segment elevation myocardial infarction or coronary
artery bypass graft or percutaneous transluminal coronary angioplasty within the last
6 months

11. Active osteomyelitis of the foot with the target ulcer detected by x-ray, CT scan, or
MRI

12. Active connective tissue disease

13. Acute or chronic Charcot's neuro-arthropathy as determined by clinical and/or
radiographic examination

14. Active treatment with systemic corticosteroids or topical corticosteroids (for
treatment of the target ulcer or any area of the foot). This does not include inhaled
corticosteroids used for conditions other than treating the target ulcer or any area
of the foot. Wash out period for systemic corticosteroids is 14 days for inclusion in
this study. Wash out period for topical corticosteroids (for treatment of the target
ulcer or any area of the foot) is 14 days for inclusion in the study)

15. Active treatment with systemic antibiotics (wash out period for systemic antibiotics
is 7 days for the inclusion in the study)

16. Previous or current radiation therapy to the distal lower extremity or likelihood to
receive this therapy during study participation

17. Pregnant or nursing mothers

18. Uncontrolled anemia (hemoglobin < 10 g/dL in females and < 12 g/dL in males)

19. Estimated glomerular filtration rate < 25 mL/min

20. Poor nutritional status, defined as an albumin < 25 g/L (< 2,500 mg/dl)

21. Significant peripheral edema as per investigator's discretion

22. Known inability or unavailability of a patient to complete required study visits
during study participation

23. 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

24. Use of a platelet-derived growth factor within 28 days before screening

25. Use of any investigational drug or therapy within 28 days before screening

26. Has any other factor which may, in the opinion of the investigator, compromise
participation and/or follow-up in the study
We found this trial at
11
sites
Clermont, Florida 34711
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Arlington, Texas 76015
Phone: 817-276-4600
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Hialeah, Florida
Phone: 305-828-3555
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Los Angeles, California 90063
Phone: 323-264-6157
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Los Angeles, CA
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Miami, FL
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4300 Southwest 73rd Avenue
Miami, Florida 33155
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Miami, Florida 33193
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1400 NW 12th Ave
Miami, Florida 33136
(305) 689-5511
University of Miami Hospital The University of Miami changed the face of modern health care...
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Pasadena, California 91105
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Salem, VA
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Toronto, Ontario
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