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临床试验/NCT04569409
NCT04569409已完成3 期

Phase 3 Clinical Study to Evaluate Efficacy and Safety of ALLO-ASC-DFU in Patients With Diabetic Wagner Grade 2 Foot Ulcers: A Randomized, Comparator-controlled, Double-blind, Parallel-group, Multi-center Study

Anterogen Co., Ltd.5 个研究点 分布在 1 个国家目标入组 104 人开始时间: 2020年7月14日最近更新:
适应症
干预措施
相关药物

试验速览

阶段
3 期
状态
已完成
发起方
入组人数
104
试验地点
5
主要终点
Proportions of subjects who achieved complete wound closure

研究概览

简要总结

This is a phase III double-blind study to evaluate the efficacy and safety of ALLO-ASC-DFU in patients with Diabetic Wagner grade 2 Foot Ulcer, compared to placebo therapy.

详细描述

Experimental: ALLO-ASC-DFU, Placebo Comparator: Vehicle Sheet, Study type: Interventional, Study design: Randomized, Placebo-controlled, Double blind, Parallel-group, Multi-center Study

研究设计

研究类型
Interventional
分配方式
Randomized
干预模型
Parallel
主要目的
Treatment
盲法
Double (Participant, Investigator)

入排标准

年龄范围
19 Years 至 75 Years(Adult, Older Adult)
性别
All
接受健康志愿者

入选标准

  • Subject is between 19 and 75 years of age.
  • Subject is diagnosed with Type I or Type II diabetics.
  • Diabetic foot ulcer has been more than 4 weeks but less than 52 weeks at the screening visit.
  • Ulcer located in the foot and ulcer size is between 1.5~15 cm
  • Ulcer graded 2 by Wagner grade.
  • Foot ulcer extended to ligament, tendon, joint capsule, fascia, muscle and periosteum.
  • Ulcer is free of necrotic debris.
  • Ulcer area blood circulation meets one of the following criteria;
  • Blood vessels around the ulcer detected by Doppler Test
  • Range of Ankle Brachial Index (ABI) is > 0.7 to < 1.3
  • Transcutaneous Oxygen Pressure (TcPO2) > 30mmHg or Toe Blood Pressure (TBP) > 40mmHg.
  • Skin Perfusion Pressure (SPP) > 30mmHg
  • Subject is able to give written informed consent prior to study start and willing to comply with the study requirements.

排除标准

  • Ulcer is of non-diabetic pathophysiology.
  • There is gangrene in any part of the target foot ulcer.
  • The longest dimension of the target foot ulcer exceeds 15 cm at the enrollment visit.
  • Other wounds within 2cm of the target foot ulcer.
  • The ulcer has increased or decreased in size by ≥ 30% during two weeks after the screening visit.
  • Patient requiring intravenous (IV) antibiotics to treat foot wound infection at the screening and enrollment visit.
  • Current evidence of active charcot on the study foot, osteomyelitis, cellulitis, or evidence of other infection including fever or purulent drainage from wound site.
  • 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.
  • An active malignant tumor(malignant melanoma, squamous cell carcinoma, basal cell carcinoma) on the body or skin.
  • Have a glycated hemoglobin A1c (HbA1c) level of > 14%
  • Have random blood sugar > 450mg/dL
  • Have severe renal failure with creatinine > 3.0mg/dL.
  • Have severe hepatic deficiencies
  • Total bilirubin ≥ 1.5×upper normal limit(UNL)
  • AST, ALT ≥ 2.0×UNL
  • Serum albumin < 2.0mg/dL
  • Is Human Immunodeficiency Virus (HIV) positive
  • Have a known history of allergic or hypersensitive reaction to bovine-derived proteins or fibrin glue
  • Pregnant or breast-feeding.
  • Is unwilling to use an acceptable method of birth control during the whole study.
  • Have a clinically relevant history of alcohol or drugs abuse at the screening visit.
  • Is not able to understand the objective of the study or 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 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, any immunosuppressive, or cytotoxic agents with unstable dose within the last 30 days
  • Cannot maintain off-loading process and device.

研究组 & 干预措施

ALLO-ASC-DFU

Experimental

Hydrogel sheet containing allogenic adipose-derived mesenchymal stem cells

干预措施: ALLO-ASC-DFU (Biological)

Vehicle sheet

Placebo Comparator

Hydrogel sheet without allogenic mesenchymal stem cell

干预措施: Vehicle Sheet (Procedure)

结局指标

主要结局

Proportions of subjects who achieved complete wound closure

时间窗: During 12 weeks

次要结局

  • Time taken to complete wound closure(During 12 weeks)
  • Proportions of subjects who achieved complete wound closure at every visit(During 12 weeks)
  • Change rates in wound size and depth compared to baseline groups(During 12 weeks)

研究者

发起方
Anterogen Co., Ltd.
申办方类型
Industry
责任方
Sponsor

研究点 (5)

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