- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02144610
Efficacy and Safety of AMG0001 in Subjects With Critical Limb Ischemia (AGILITY)
A Phase 3 Double-Blind, Randomized, Placebo-Controlled Study to Evaluate the Safety and Efficacy of AMG0001 in Subjects With Critical Limb Ischemia
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
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Edegem, Belgium, 2650
- Antwerpen University Hospital
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Genk, Belgium, 3600
- Ziekenhuis Oost Limburg
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Gent, Belgium, 9000
- Universitair Ziekenhuis Gent
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Quebec
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Montreal, Quebec, Canada, H3T 1E2
- Jewish General Hospital
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Viborg, Denmark, 8800
- Regionshospitalet Viborg
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Helsinki, Finland, 00290
- Helsinki University Hospital
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Kuopio, Finland, 70029
- Kuopio University Hospital
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Kuopio, Finland, 70210
- Kuopio University Hospital
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Tampere, Finland, 33520
- Tampere University Hospital
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Amiens, France, 80054
- CHU Amiens - Groupe Hospitalier Hopital Sud
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Bordeaux, France, 33075
- Hopital Saint Andre
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Grenoble, France, 38043
- CHU de Grenoble - Hôpital Albert Michallon
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Nord
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Lille Cedex, Nord, France, 59037
- Hopital Cardiologique - CHU Lille
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Budapest, Hungary, 1134
- Magyar Honvedseg Egeszsegugyi Kozpont
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Debrecen, Hungary, 4032
- Debreceni Egyetem Klinikai Kozpont, Belgyogyaszati Klinika
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Gyula, Hungary
- Bekes Megyei Pandy Kalman Korhaz
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Gyula, Hungary, 5700
- Bekes Megyei Pandy Kalman Korhaz Ersebeszet
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Györ, Hungary, 9024
- Petz Aladár Megyei Oktató Kórház
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Kaposvar, Hungary, 7400
- Somogy Megyei Kaposi Mor Oktato Korhaz Altalanos- Mellkas es Ersebeszeti Osztaly
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Miskolc, Hungary, 3526
- Borsod-Abauj-Zemplen Megyei Korhaz es Egyetemi Oktato Korhaz
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Nyiregyhaza, Hungary, 4400
- SzSzB Megyei Korhazak es Egyetemi Oktatokorhaz
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Pecs, Hungary, 7623
- Pecsi Tudomanyegyetem AOK
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Szeged, Hungary, 6720
- Szegedi Tudomanyegyetem Szent-Gyorgyi Albert Klinika Központ
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Szekesfehervar, Hungary, 8000
- Fejer Megyei Szent Gyorgy Egyetemi Oktato Korhaz
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Roma, Italy, 00168
- Universita Cattolica Policlinico Gemelli
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Leiden, Netherlands, 2333 ZA
- Leiden Universitair Medisch Centrum
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Maastricht, Netherlands, 6229 HX
- Maastricht University Medical Center
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Utrecht, Netherlands, 3584 CX
- Universitair Medisch Centrum Utrecht
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Bydgoszcz, Poland, 85-094
- Szpital Uniwersytecki nr 1 im. Dr A. Jurasza w Bydgoszczy
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Gdansk, Poland, 80-952
- Uniwersyteckie Centrum Kliniczne
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Poznan, Poland, 61-848
- Szpital Kliniczny Przemienienia Panskiego Uniwersytetu Medycznego im. Karola Marcinkowskiego
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Stockholm, Sweden, 171 76
- Karlkirurgiska Kliniken, Karolinska Universitetssjukhuset
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Arizona
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Tucson, Arizona, United States, 85745
- Carondelet Heart and Vascular Institute
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Arkansas
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Little Rock, Arkansas, United States, 72205
- Central Arkansas Veteran's Healthcare System
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California
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La Jolla, California, United States, 92037-1300
- University of California, San Diego (UCSD)
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Laguna Hills, California, United States, 92653
- Alliance Research Centers
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San Francisco, California, United States, 94121
- San Francisco Veterans Affairs Medical Center
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Florida
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Gainesville, Florida, United States, 32610
- University of Florida
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Sarasota, Florida, United States, 34239
- Sarasota Memorial Hospital Clinical Research Center
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Georgia
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Atlanta, Georgia, United States, 30322
- Emory University
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Rome, Georgia, United States, 30165
- Harbin Clinic, LLC
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Illinois
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Chicago, Illinois, United States, 60611
- Northwestern University
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Winfield, Illinois, United States, 60190
- Northwestern Medicine Central DuPage Hospital
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Maryland
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Salisbury, Maryland, United States, 21801
- Peninsula Region Medical Center
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Massachusetts
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Boston, Massachusetts, United States, 02215
- Beth Israel Deaconess Medical Center
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Boston, Massachusetts, United States, 02118
- Boston University School of Medicine
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Missouri
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Kansas City, Missouri, United States, 64111
- Saint Luke's Hospital
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Kansas City, Missouri, United States, 64116
- Kansas City Vascular P.C.
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Saint Louis, Missouri, United States, 63141
- Mercy Hospital St. Louis
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Springfield, Missouri, United States, 65806
- Mercy Medical Research Institute
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New Hampshire
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Lebanon, New Hampshire, United States, 03756
- Dartmouth-Hitchcock Medical Center
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New Jersey
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Teaneck, New Jersey, United States, 07666
- Holy Name Medical Center
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New York
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New York, New York, United States, 10032
- New York Presbyterian Hospital - Columbia University Medical Center
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North Carolina
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Winston-Salem, North Carolina, United States, 27157
- Wake Forest Baptist Health
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Oklahoma
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Tulsa, Oklahoma, United States, 74104
- University of Oklahoma - Physicians Surgical Specialists
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Oregon
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Portland, Oregon, United States, 97239
- Oregon Health and Science University
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Pennsylvania
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Pittsburgh, Pennsylvania, United States, 15240
- Veterans Affairs Medical Center
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South Carolina
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Charleston, South Carolina, United States, 29425
- Medical University of South Carolina
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South Dakota
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Sioux Falls, South Dakota, United States, 57104
- Sanford Health
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Texas
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Houston, Texas, United States, 77030
- The Methodist Hospital Research Institute
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
Subjects with CLI (Severe Rutherford 4 and Rutherford 5) who have:
- No option for revascularization by endovascular intervention or surgical bypass
or
- Poor option (high risk) for revascularization by surgery and no option for an endovascular intervention (see Section 3.1 Study Population for full definition for appropriate inclusions).
- Subjects 40-90 years of either gender who have signed an informed consent form either directly or through a legally authorized representative.
- Subjects currently are taking a statin and an anti-platelet agent (e.g., clopidogrel, ticlopidine, aspirin, etc.) for 2 weeks or more prior to Day 0 as part of their standard of care, unless contraindicated. Subjects for whom these agents are contraindicated will have the reason for contraindication recorded in their case report form (CRF).
- If female, the subjects must not be of child bearing potential, e.g., post-menopausal or surgically sterile.
- If a male subject is of reproductive potential, he must agree to use an accepted and effective (barrier) form of birth control starting with the first dose of study product and continue for 12 weeks from the last dose of study product. This applies to both courses of treatment.
- Subjects with a previous medical history of myocardial infarction and/or stroke should have adequate management of risk factors to prevent secondary occurrence. (See Section 4.2 Medical History for guidelines on appropriate secondary prevention.)
Subjects should have the ability to understand the requirements of the protocol and agree to return for the required study visits, assessments and follow up.
- The index leg will be the leg with the greater severity of CLI disease. Entry requirements apply to the index leg. The index leg may also be referred to as the treated leg or affected leg in the text of this protocol or other study documents. If the subject has two legs that have the same Rutherford classification (severe Rutherford 4 or Rutherford 5) and are both eligible for treatment, the leg with greater disease severity (based on more extensive necrosis or more extensive/deeper ulceration(s), difference in ABI (ankle brachial index) or TBI (toe brachial index) ≥ 0.1, and/or more extensive vascular disease based on the angiogram) will be chosen as the index leg. If there is no clinical, hemodynamic or angiographic or other evidence to determine which leg has greater disease severity, the subject will be excluded from the study.
- These entry criteria will be enforced (prior to randomization) by the Sponsor, as well as an Entry Committee who will review all relevant clinical data including but not limited to medical illness, CLI status, the findings of an angiogram, ulcer photographs and measurements and hemodynamic data.
Exclusion Criteria:
- Subjects whose CLI status is unstable (spontaneous marked improvement or marked worsening during the screening period) or who have excessive tissue necrosis that is unlikely to benefit from medication, or those poor option subjects requiring immediate revascularization by surgery. Stability of the CLI status will be confirmed by the Principal Investigator prior to randomization and retrospectively reviewed by the Adjudication Committee.
- Subjects who may require a major amputation (amputation at or above the ankle) within 4 weeks of Day 0 (± 4 weeks of Day 0).
- Subjects with ulcers with exposure of tendons, osteomyelitis or uncontrolled infection or with the largest ulcer that is greater than 20 cm2 in area (>10 cm2 area if on the heel).
- Subjects with purely neuropathic, or with venous ulcers.
- Subjects in Rutherford 6 class.
- Subjects who have had revascularization by surgery or angioplasty within 3 months, unless the procedure has failed based on the anatomy or the hemodynamic measurements.
- Subjects with a diagnosis of Buerger's disease (Thrombo-angiitis Obliterans).
- Subjects currently receiving immunosuppressive, chemo or radiation therapy.
- Evidence or history of malignant neoplasm (clinical, laboratory or imaging) except for successfully excised basal cell or squamous cell carcinoma, or successfully excised early melanoma of the skin. Subjects, who had successful tumor resection or radio-chemotherapy of breast cancer more than 10 years prior to inclusion in the study, and with no recurrence, may be enrolled in the study. Subjects, who had successful tumor resection or radio-chemotherapy of all other tumor types and have been in remission for more than 5 years prior to inclusion in the study, and with no recurrence, may be enrolled in the study. A dermatological exam will have ruled out any skin cancer.
- Subjects who have proliferative retinopathy, or moderate or severe non-proliferative retinopathy, from any cause (ETDRS Score > 35), clinically significant macular oedema or previous panretinal photocoagulation therapy (Results from the Early Treatment Diabetic Retinopathy Study. Ophthalmology May 1991 Supplement 98: 823-833).
- Females of child-bearing potential defined as subjects that are not surgically sterile or post-menopausal.
- Subjects with severe renal disease defined as significant renal dysfunction evidenced by an estimated creatinine clearance of <30 mL/minute (calculated using the Cockcroft Gault formula), or receiving chronic hemodialysis therapy.
- Any co-morbid condition likely to interfere with assessment of safety or efficacy endpoints, acute cardiovascular events (i.e., CVA (cardiovascular accident), MI (myocardial infarction), etc.) within 3 months of treatment, or any disease that in the opinion of the Investigator may result in subject mortality in less than 3 months.
- Subjects with known liver disease (e.g., hepatitis B or C or cirrhosis of the liver).
- A subject with HIV, AIDS, severe uncontrolled inflammatory disease or severe uncontrolled autoimmune disease (e.g., ulcerative colitis, Crohn's disease, etc).
- Subjects who have a significant psychiatric disorder or mental disability that could interfere with the subject's ability to provide informed consent or comply with study procedures.
- Subjects with a current, uncorrected history of alcohol or substance abuse.
- Diabetic subjects with an uncorrected HbA1c > 9.0% during the screening period.
- Subjects that have been administered rhPDGF (e.g, becaplermin) or other growth factors locally within one month of randomization.
- Subjects who have received another investigational drug within 30 days of randomization or have previously received any gene transfer therapy within 3 years of entering the study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Gene Therapy HGF Plasmid (AMG0001)
Randomized subjects will receive 4 sets of intramuscular (IM) injections of HGF plasmid two weeks apart starting at Day 0 and again at Month 3 (first cycle) and at Month 9 and again at Month 12 (second cycle) in muscles of the affected lower limb.
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IM
Other Names:
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Placebo Comparator: Placebo
Randomized subjects will receive 4 sets of intramuscular (IM) injections of matching placebo two weeks apart starting at Day 0 and again at Month 3 (first cycle) and at Month 9 and again at Month 12 (second cycle) in muscles of the affected lower limb.
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IM
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Major Amputation or Revascularization (of the Index Leg), All-cause Death, and Incidence of Stroke and Myocardial Infarction (MI)
Time Frame: 18 months
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A frequency table for Day 0 to 6 months, Day 0 to 12 months and Day 0 to 18 months intervals by treatment group; the Fisher's Exact test was used for treatment comparison.
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18 months
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Change in Ischemic Rest Pain (in the Index Leg) From Baseline Using a 10 cm Visual Analog Scale (VAS) Scale
Time Frame: 18 months
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The severity of rest pain (based on the average over previous 7 days) recorded using the 10 cm visual analog scale (VAS). VAS is a 10-cm line (with score ranges 0 to 10), oriented horizontally; the left end of the line (0 mark) indicates "no pain"; the right end indicates "pain as bad as it can be."
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18 months
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Ulcer Improvement
Time Frame: 18 months
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A table showing the number of subjects with complete healing of the target ulcer by treatment.
Ulcer healing of the largest ulcer on the index limb was assessed clinically by the Principal Investigator by direct visual inspection at each study visit.
If the largest ulcer on the index leg was considered completely healed, photographs of the healed ulcer area was captured.
If an ulcer healed completely during the study period, the ulcer was re-evaluated 2 weeks later to confirm it has remained healed.
Confirmation of complete ulcer healing was made by an outside physician unconnected with the study and nominated for this purpose.
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18 months
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VAS Improvement
Time Frame: 18 months
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A table showing the number of subjects with improvement in VAS (≥ 20 mm) by treatment.
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18 months
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Hemodynamic Measurements - Mean Change From Baseline in Brachial (Right/Left) Systolic Pressure
Time Frame: 18 months
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Summary statistics were provided for baseline and change from baseline for right/left brachial systolic pressure by visit and treatment (only subjects with non-missing baseline and visit values).
A two-way analysis of covariance (ANCOVA) with treatment and region as fixed factors and baseline as a covariate were performed for each visit and LOCF.
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18 months
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Hemodynamic Measurements - Mean Change From Baseline in Ankle (Dorsalis Pedis/Posterior Tibial) Systolic Pressure
Time Frame: 18 months
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Summary statistics were provided for baseline and change from baseline for ankle systolic pressure measured at dorsalis pedis and posterior tibial by visit and treatment (only subjects with non-missing baseline and visit values).
A two-way analysis of covariance (ANCOVA) with treatment and region as fixed factors and baseline as a covariate were performed for each visit and LOCF.
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18 months
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Hemodynamic Measurements - Mean Change From Baseline in Toe Systolic Pressure
Time Frame: 18 months
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Summary statistics were provided for baseline and change from baseline for toe systolic pressure by visit and treatment (only subjects with non-missing baseline and visit values).
A two-way analysis of covariance (ANCOVA) with treatment and region as fixed factors and baseline as a covariate were performed for each visit and LOCF.
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18 months
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Hemodynamic Measurements - Mean Change From Baseline in ABI of Index Leg
Time Frame: 18 months
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Summary statistics were provided for baseline and change from baseline for calculated ABI by visit and treatment (only subjects with non-missing baseline and visit values).
A two-way analysis of covariance (ANCOVA) with treatment and region as fixed factors and baseline as a covariate were performed for each visit and LOCF.
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18 months
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Hemodynamic Measurements - Mean Change From Baseline in TBI of Index Leg
Time Frame: 18 months
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Summary statistics were provided for baseline and change from baseline for calculated TBI by visit and treatment (only subjects with non-missing baseline and visit values).
A two-way analysis of covariance (ANCOVA) with treatment and region as fixed factors and baseline as a covariate were performed for each visit and LOCF.
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18 months
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Changes in the Quality of Life Using the Vascular Quality of Life Questionnaire (VascuQol) Over 18 Months
Time Frame: 18 months
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The VascuQol contains 5 domains (pain, symptom, activities, social, and emotional functioning); responses were scored from 0 (lowest QOL, death) to 7 (best QOL, maximum health). Responses were averaged for composite overall and domain-specific scores, giving equal weight to each question and domain. The composite overall is the average of domain-specific scores. Responses after revascularization or major amputation were included in the analysis. In the event of death, subjects were scored as 0. For the effect of treatment on individual domains, pain, symptoms, and activities were considered the most important of the 5 domains. Summary statistics were provided for baseline and change from baseline by visit and treatment for VascuQol, including subscore, for subjects who had a non-missing value at both baseline and the specific visit. A two-way ANCOVA with treatment and region as fixed factors and baseline as a covariate were performed for each visit and LOCF. |
18 months
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Changes in the Quality of Life From Baseline Using the EQ-5D-5L Over 18 Months
Time Frame: 18 months
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The EQ-5D-5L descriptive system covers 5 dimensions (mobility, self-care, usual activities, pain/discomfort, and anxiety/depression). Each dimension has 5 levels: no problems (1), slight problems (2), moderate problems (3), severe problems (4), and extreme problems (5); death was coded as a worst case. The EQ-5D-5L health state for each subject, referred to as a 5 digit code that combines 1 level from each of the 5 dimensions, was converted into a single index value using a published weighing system. The index value ranges from -0.109 to 1, where 1 indicates no problems in all 5 dimensions, and is reduced when a patient reports increasing problems. Summary statistics were provided for baseline and change from baseline by visit and treatment for EQ-5D-5L, including subscore, for subjects who had a non-missing value at both baseline and the specific visit. A two-way ANCOVA with treatment and region as fixed factors and baseline as a covariate were performed for each visit and LOCF. |
18 months
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Richard J. Powell, MD, Dartmouth-Hitchcock Medical Center
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- AG-CLI-0206
- 2014-001129-34 (EudraCT Number)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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-
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