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

Diabetic Foot Ulcer Clinical Trial

Official title:

A Phase 2 Clinical Study to Evaluate the Efficacy and Safety of ALLO-ASC-SHEET in Subjects With Diabetic Foot Ulcers

Clinical Trial Details — Status: Active, not recruiting

Administrative data

• NCT number: NCT03754465
• Other study ID #: ALLO-ASC-SHEET-102
• Status: Active, not recruiting
• Phase: Phase 2
• Start date: May 9, 2019
• Est. completion date: May 2024

Study information

• Verified date: August 2023
• Source: Anterogen Co., Ltd.
• Contact: n/a
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

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

Description:

1. Active Group: ALLO-ASC-SHEET

2. Control Group: Hydrogel SHEET (vehicle control)

3. Study Type: Interventional

4. Study Design: Randomized, Comparator-controlled, Double-blind, multi-center study.

Recruitment information / eligibility

• Status: Active, not recruiting
• Enrollment: 56
• Est. completion date: May 2024
• Est. primary completion date: November 2023
• Accepts healthy volunteers: No
• Gender: All
• Age group: 18 Years to 80 Years

Eligibility

Inclusion Criteria:

1. Male or female subjects between 18 and 80 years of age.

2. Diagnosed with Type I or Type II diabetics and has diabetic foot ulcers for longer than 4 weeks at the screening visit.

3. Foot ulcer located in the instep, border or sole of the foot, with ulcer size between 1 cm2 and 15 cm2.

4. Ulcer graded I by Wagner grade, and extended to skin, subcutaneous tissue, but without exposure of muscle, tendon, bone or joint capsule.

5. Ulcer is free of necrotic debris, exhibits no signs of clinical infection.

6. Ulcer area blood circulation meets one of the following criteria

• A. Blood vessels around the ulcer detected by Doppler Test

• B. range of Ankle Brachial Index(ABI) was > 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 the week after the Screening Visit.

3. Is Human Immunodeficiency Virus (HIV) positive?

4. Have severe hepatic deficiencies.

5. Have a glycated hemoglobin A1c (HbA1c) level of > 10%.

6. Have allergic or hypersensitive reaction to bovine-derived proteins or fibrin glue.

7. Require intravenous (IV) antibiotics to treat the target wound infection.

8. Have severe renal failure including subject on renal dialysis.

9. Pregnant or breast-feeding.

10. Is unwilling to use an "effective" method of contraception during the study.

11. Have evidence of current infection including pus drainage from the wound site.

12. Have a clinically relevant history of alcohol or drugs abuse.

13. Have postprandial blood sugar > 350 mg/dl.

14. Is not able to understand the objective of this study or to comply with the study requirements.

15. Is considered by the investigator to have a significant disease which might have impacted the study.

16. Is considered not suitable for the study by investigator.

17. Have a history of malignancy within the last five years (except basal cell carcinoam in situ).

18. Is currently or were enrolled in another clinical study within 60 days of screening.

19. Have undergone wound treatments with growth factors, dermal substitutes, or other biological therapies within the last 30 days.

20. Is receiving oral or parenteral corticosteroids, immunosuppressive, or cytotoxic agents with unstable dose prior to 4 weeks from screening.

21. Cannot maintain off-loading process

22. Panel reactive antibody (PRA) levels = 20%

Related Conditions & MeSH terms

• Diabetic Foot
• Diabetic Foot Ulcer
• Foot Ulcer
• Ulcer

Intervention

Biological:
• ALLO-ASC-DFU
Application of ALLO-ASC-DFU Sheet to diabetic foot ulcer

Procedure:
• Hydrogel SHEET(Vehicle control)
Application of Hydrogel SHEET to diabetic foot ulcer

Locations

Country	Name	City	State
United States	University of Southern California	Los Angeles	California

Sponsors (1)

Lead Sponsor	Collaborator
Anterogen Co., Ltd.

Country where clinical trial is conducted

United States, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Proportions of subjects who achieved complete wound closure	Proportions of subjects who achieved complete wound closure	During 12 weeks
Secondary	Time to initial complete wound closure between the two groups	Time to initial complete wound closure between the two groups	During 12 weeks
Secondary	Changes in wound size compared to baseline between the two groups	Wound size is measured by using eKare 3D Wound Measurement system(Mobile Devices)	During 12 weeks
Secondary	Proportions of subjects who achieved complete wound closure by the classification of location of diabetic foot ulcer, Plantar and the other location between the two groups	Proportions of subjects who achieved complete wound closure	During 12 weeks(at every visit during treatment period)
Secondary	Durability of complete wound closure	Wound size is measured by using eKare 3D Wound Measurement system(Mobile Devices)	Follow up to 24 weeks from the initial complete wound closure.