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Clinical Study of ALLO-ASC-SHEET in Subjects With Diabetic Wagner Grade II Foot Ulcers

Primary Purpose

Diabetic Foot Ulcer

Status
Recruiting
Phase
Phase 2
Locations
United States
Study Type
Interventional
Intervention
ALLO-ASC-SHEET
Sponsored by
Anterogen Co., Ltd.
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Diabetic Foot Ulcer

Eligibility Criteria

18 Years - 80 Years (Adult, Older Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria:

  1. Male or female between 18 and 80 years of age.
  2. Diagnosed with Type I or Type II diabetes and has Wagner Grade II diabetic foot ulcers for longer than 4 weeks at the time of screening.
  3. Foot ulcer located in the plantar or dorsal, with ulcer size between1.5 cm2 and 15 cm2.
  4. Ulcer, Graded II by Wagner grade, and extended to muscle periosteum, muscle, tendon, or joint capsule, but not to bone.
  5. Ulcer is free of necrotic debris,exhibits no signs of clinical infection.
  6. Ulcer area blood circulation meets 1 of the following criteria:

    A. Blood vessels around the ulcer detected by Doppler Test to have biphasic or triphasic flow B. Range of Ankle Brachial Index(ABI) is>0.7 to <1.3 C. Transcutaneous oxygen pressure (TcPO2) >30 mmHg.

  7. Is able to give written informed consent prior to study start and to comply with the study requirements.

Exclusion Criteria:

  1. Ulcer is of non-diabetic pathophysiology.
  2. The ulcer has increased or decreased in size by ≥30% during 2 weeks screening period.
  3. Patient is currently on higher dose antibiotic therapy as defined by increased dose or change in therapy from the initial treatment regimen at screening to treat index wound infection or patient is on suppressive antibiotic therapy for diabetic foot wound infection.
  4. The longest dimension of the index wound exceeds 15 cm at the baseline visit.
  5. Patient with skin lesion confirmed by biopsy (when Investigator deems suspicious) and then judged by Investigator to be an etiology other than diabetic foot ulcer (i.e.,example skin cancer in situ, pyoderma).
  6. Current evidence of active charcot, osteomyelitis, cellulitis, or evidence of other infection including fever or purulentdrainage from wound site.
  7. Is Human Immunodeficiency Virus (HIV) positive
  8. Havesevere hepatic deficiencies.
  9. Have a glycated hemoglobin A1c (HbA1c) level of >10%.
  10. Have an allergic or hypersensitive reaction to bovine-derived proteins or fibrin glue.
  11. Have severe renal function insufficiency documented with creatinine greater than 3.0 mg/dL.
  12. Pregnant or breast-feeding.
  13. Is unwilling to use an "effective" method of contraception during the study.
  14. Have evidence of current infection including purulent drainage from the wound site.
  15. Have a clinically relevant history of alcohol or drugs abuse.
  16. Have postprandialblood sugar >350 mg/dL at screening.
  17. Is not able to comply with the study requirements.
  18. Is considered by the Investigator to have a significant disease which might impact the study.
  19. Is considered not suitable for the study by Investigator.
  20. Have a history of malignancy within the last 5 years (except basal cell carcinoma in situ).
  21. Is currently or were enrolled in another clinical study within 60 days of screening.
  22. Have undergone wound treatments with growth factors, dermal substitutes, or other biological therapies within the last 30 days.
  23. Is receiving oral or parenteral corticosteroids (In doses greater than 10 mg per day), any immunosuppressive, or cytotoxic agents with unstable dose prior to 4 weeks from screening.
  24. Cannot maintain off-loading process.
  25. Panel reactive antibody (PRA) levels ≥ 20% at screening.
  26. Venereal Disease Research Laboratory test (VDRL) or RPR positive

Sites / Locations

  • University of Southern CaliforniaRecruiting

Arms of the Study

Arm 1

Arm 2

Arm Type

Experimental

Placebo Comparator

Arm Label

ALLO-ASC-SHEET

Hydrogel SHEET(Vehicle control)

Arm Description

ALLO-ASC-SHEET Hydrogel sheet containing allogenic adipose-derived mesenchymal stem cells

Vehicle Control Hydrogel sheet without allogenic adipose-derived mesenchymal stem cells

Outcomes

Primary Outcome Measures

Proportions of subjects who achieved complete wound closure.
Proportions of subjects who achieved complete wound closure during the 12 weeks.

Secondary Outcome Measures

Time to initial complete wound closure between the 2 groups.
Measure the time to initial complete wound closure between the 2 groups.
Changes in wound size compared to baseline between the 2 groups.
Wound size is measured by using eKare 3D Wound Measurement system(Mobile Devices).
Proportions of subjects who achieved complete wound closure between the 2 groups by the classification of wound size.
Proportions of subjects who achieved complete wound closure by the classification of wound size, 1.5~7 cm2 and 7.1~15 cm2 between the 2 groups at every visit.
Proportions of subjects who achieved complete wound closure between the 2 groups by the classification of location of diabetic foot ulcer.
Proportions of subjects who achieved complete wound closure by the classification of location of diabetic foot ulcer, plantar and dorsal between the 2 groups at every visit by post-hoc analysis.
Durability of complete wound closure for the additional 24 weeks.
Durability of complete wound closure for the additional 24 weeks from the initial complete wound closure. Wound size is measured by using eKare 3D Wound Measurement system(Mobile Devices).

Full Information

First Posted
May 15, 2020
Last Updated
August 23, 2023
Sponsor
Anterogen Co., Ltd.
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1. Study Identification

Unique Protocol Identification Number
NCT04497805
Brief Title
Clinical Study of ALLO-ASC-SHEET in Subjects With Diabetic Wagner Grade II Foot Ulcers
Official Title
A Phase 2 Clinical Study to Evaluate The Efficacy and Safety of ALLO-ASC-SHEET in the Subjects With Diabetic Wagner Grade II Foot Ulcers
Study Type
Interventional

2. Study Status

Record Verification Date
August 2023
Overall Recruitment Status
Recruiting
Study Start Date
September 8, 2020 (Actual)
Primary Completion Date
December 2024 (Anticipated)
Study Completion Date
June 2025 (Anticipated)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Anterogen Co., Ltd.

4. Oversight

Studies a U.S. FDA-regulated Drug Product
Yes
Studies a U.S. FDA-regulated Device Product
No

5. Study Description

Brief Summary
This is a phase 2 double-blind clinical study to evaluate the efficacy and Safety of ALLO-ASC-SHEET in subjects with Diabetic Wagner Grade II Foot Ulcers, compared to placebo therapy.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Diabetic Foot Ulcer

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 2
Interventional Study Model
Parallel Assignment
Masking
ParticipantCare ProviderInvestigatorOutcomes Assessor
Allocation
Randomized
Enrollment
64 (Anticipated)

8. Arms, Groups, and Interventions

Arm Title
ALLO-ASC-SHEET
Arm Type
Experimental
Arm Description
ALLO-ASC-SHEET Hydrogel sheet containing allogenic adipose-derived mesenchymal stem cells
Arm Title
Hydrogel SHEET(Vehicle control)
Arm Type
Placebo Comparator
Arm Description
Vehicle Control Hydrogel sheet without allogenic adipose-derived mesenchymal stem cells
Intervention Type
Biological
Intervention Name(s)
ALLO-ASC-SHEET
Other Intervention Name(s)
Hydrogel sheet containing Allogenic Mesenchymal Stem Cells
Intervention Description
Hydrogel sheet containing Allogenic Mesenchymal Stem Cells
Primary Outcome Measure Information:
Title
Proportions of subjects who achieved complete wound closure.
Description
Proportions of subjects who achieved complete wound closure during the 12 weeks.
Time Frame
During 12 weeks
Secondary Outcome Measure Information:
Title
Time to initial complete wound closure between the 2 groups.
Description
Measure the time to initial complete wound closure between the 2 groups.
Time Frame
During 12 weeks
Title
Changes in wound size compared to baseline between the 2 groups.
Description
Wound size is measured by using eKare 3D Wound Measurement system(Mobile Devices).
Time Frame
During 12 weeks
Title
Proportions of subjects who achieved complete wound closure between the 2 groups by the classification of wound size.
Description
Proportions of subjects who achieved complete wound closure by the classification of wound size, 1.5~7 cm2 and 7.1~15 cm2 between the 2 groups at every visit.
Time Frame
During 12 weeks
Title
Proportions of subjects who achieved complete wound closure between the 2 groups by the classification of location of diabetic foot ulcer.
Description
Proportions of subjects who achieved complete wound closure by the classification of location of diabetic foot ulcer, plantar and dorsal between the 2 groups at every visit by post-hoc analysis.
Time Frame
During 12 weeks
Title
Durability of complete wound closure for the additional 24 weeks.
Description
Durability of complete wound closure for the additional 24 weeks from the initial complete wound closure. Wound size is measured by using eKare 3D Wound Measurement system(Mobile Devices).
Time Frame
During 36 weeks

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
80 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: Male or female between 18 and 80 years of age. Diagnosed with Type I or Type II diabetes and has Wagner Grade II diabetic foot ulcers for longer than 4 weeks at the time of screening. Foot ulcer located in the plantar or dorsal, with ulcer size between1.5 cm2 and 15 cm2. Ulcer, Graded II by Wagner grade, and extended to muscle periosteum, muscle, tendon, or joint capsule, but not to bone. Ulcer is free of necrotic debris,exhibits no signs of clinical infection. Ulcer area blood circulation meets 1 of the following criteria: A. Blood vessels around the ulcer detected by Doppler Test to have biphasic or triphasic flow B. Range of Ankle Brachial Index(ABI) is>0.7 to <1.3 C. Transcutaneous oxygen pressure (TcPO2) >30 mmHg. Is able to give written informed consent prior to study start and to comply with the study requirements. Exclusion Criteria: Ulcer is of non-diabetic pathophysiology. The ulcer has increased or decreased in size by ≥30% during 2 weeks screening period. Patient is currently on higher dose antibiotic therapy as defined by increased dose or change in therapy from the initial treatment regimen at screening to treat index wound infection or patient is on suppressive antibiotic therapy for diabetic foot wound infection. The longest dimension of the index wound exceeds 15 cm at the baseline visit. Patient with skin lesion confirmed by biopsy (when Investigator deems suspicious) and then judged by Investigator to be an etiology other than diabetic foot ulcer (i.e.,example skin cancer in situ, pyoderma). Current evidence of active charcot, osteomyelitis, cellulitis, or evidence of other infection including fever or purulentdrainage from wound site. Is Human Immunodeficiency Virus (HIV) positive Havesevere hepatic deficiencies. Have a glycated hemoglobin A1c (HbA1c) level of >10%. Have an allergic or hypersensitive reaction to bovine-derived proteins or fibrin glue. Have severe renal function insufficiency documented with creatinine greater than 3.0 mg/dL. Pregnant or breast-feeding. Is unwilling to use an "effective" method of contraception during the study. Have evidence of current infection including purulent drainage from the wound site. Have a clinically relevant history of alcohol or drugs abuse. Have postprandialblood sugar >350 mg/dL at screening. Is not able to comply with the study requirements. Is considered by the Investigator to have a significant disease which might impact the study. Is considered not suitable for the study by Investigator. Have a history of malignancy within the last 5 years (except basal cell carcinoma in situ). Is currently or were enrolled in another clinical study within 60 days of screening. Have undergone wound treatments with growth factors, dermal substitutes, or other biological therapies within the last 30 days. Is receiving oral or parenteral corticosteroids (In doses greater than 10 mg per day), any immunosuppressive, or cytotoxic agents with unstable dose prior to 4 weeks from screening. Cannot maintain off-loading process. Panel reactive antibody (PRA) levels ≥ 20% at screening. Venereal Disease Research Laboratory test (VDRL) or RPR positive
Central Contact Person:
First Name & Middle Initial & Last Name or Official Title & Degree
Yun Jung Choi, PM
Phone
82 10 9199 0164
Email
yunjungchoi@anterogen.com
First Name & Middle Initial & Last Name or Official Title & Degree
Jessi Choi, PM
Phone
82 10 9199 0164
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Yun Jung Choi, PM
Organizational Affiliation
Anterogen Co., Ltd.
Official's Role
Study Director
Facility Information:
Facility Name
University of Southern California
City
Los Angeles
State/Province
California
ZIP/Postal Code
90033
Country
United States
Individual Site Status
Recruiting
Facility Contact:
First Name & Middle Initial & Last Name & Degree
David Armstrong, MD

12. IPD Sharing Statement

Plan to Share IPD
No

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Clinical Study of ALLO-ASC-SHEET in Subjects With Diabetic Wagner Grade II Foot Ulcers

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