- ICH GCP
- Amerikanska kliniska prövningsregistret
- Klinisk prövning NCT00406458
Clinical Trial of SB-509 in Subjects With Diabetic Neuropathy
A Phase 2 Repeat Dosing Clinical Trial of SB-509 in Subjects With Diabetic Neuropathy
Studieöversikt
Status
Intervention / Behandling
Detaljerad beskrivning
SB-509 contains the gene (DNA-a kind of biological "blueprint") for a protein. When a researcher injects SB-509 into your legs, the drug enters the muscle and nerve cells around the injection site and causes these cells to make a protein. This protein causes your cells to increase production of another protein called vascular endothelial growth factor (VEGF), which may improve the structure and function of nerves. In addition, there are changes in the levels of 28 additional proteins in your cells. These proteins function to promote the growth of cells, are structures in cells, help synthesize products, and affect immune cells, and some have unknown functions. This increase in your own VEGF proteins may protect and repair the damaged nerves caused by diabetic neuropathy.
The study doctor will test SB-509 (60 mg) and placebo. Everyone in this study will receive intramuscular (IM-directly into the muscle) injections into both legs. This will happen 3 times over about 4 months. Two out of every 3 participants will receive SB-509 and 1 out of every 3 will receive placebo. You will not know, and the study doctor will not know, whether you will receive SB-509 or whether you will receive placebo.
Studietyp
Inskrivning (Faktisk)
Fas
- Fas 2
Kontakter och platser
Studieorter
-
-
California
-
La Jolla, California, Förenta staterna, 92037
- Coordinated Clinical Research
-
Lakewood, California, Förenta staterna, 90712
- Advanced Medical Research, LLC
-
San Francisco, California, Förenta staterna, 94109
- SF Clinical Research Center
-
Walnut Creek, California, Förenta staterna, 94598
- Diablo Clinical Research
-
-
Florida
-
Bradenton, Florida, Förenta staterna, 34205
- Bradenton Research Center
-
Miami, Florida, Förenta staterna, 33136
- University of Miami, Diabetes Research Institute
-
Sunrise, Florida, Förenta staterna, 33351
- Neurology Clinical Research
-
-
Kansas
-
Kansas City, Kansas, Förenta staterna, 66160
- University of Kansas Medical Center
-
-
Nebraska
-
Omaha, Nebraska, Förenta staterna, 68131
- Creighton Diabetes Center
-
-
New York
-
Albany, New York, Förenta staterna, 12205
- Upstate Clinical Research
-
New York, New York, Förenta staterna, 10022
- Peripheral Neuropathy Center, Weill Medical College of Cornell University
-
-
Pennsylvania
-
Duncansville, Pennsylvania, Förenta staterna, 16635
- Altoona Center for Clinical Research
-
-
Texas
-
Houston, Texas, Förenta staterna, 77030
- Nerve and Muscle Center of Texas
-
San Antonio, Texas, Förenta staterna, 78229
- DGD Research
-
-
-
-
Col. Roma
-
Mexico City, Col. Roma, Mexiko, 06700
- Instituto Mexicano de Investigación Clinica
-
-
Deltagandekriterier
Urvalskriterier
Åldrar som är berättigade till studier
Tar emot friska volontärer
Kön som är behöriga för studier
Beskrivning
Key Inclusion Criteria:
- Have a clinical diagnosis of diabetes mellitus type I or II for at least 12 months prior to the study.
- Have received a diagnosis of mild to moderate sensorimotor diabetic neuropathy from a neurologist (a doctor who specializes in disorders of the nervous system) or endocrinologist (a doctor who specializes in diabetes). This type of neuropathy is a loss of sensation and muscle function that occurs in the legs and hands in a stocking and glove distribution. Subjects with diabetic neuropathy that results in loss of sensation or muscle function in only one nerve and results in loss of nerve function of the blood vessels and causes low blood pressure, will not be eligible.
- If female and of childbearing potential, agree to use a medically acceptable physical barrier method during the study.
- Have blood pressure < 140/90 mm Hg
- Body mass index (BMI) < 38 kg/m2
Key Exclusion Criteria:
Subjects with the following are NOT eligible to participate in this study:
- Have moderate to severe ischemic heart disease, any history of congestive heart failure, or have had a myocardial infarction (heart attack) within the previous 6 months.
- Have chronic foot or leg ulcers for >1 month, gangrene in the legs, or any previous amputation of the lower extremity.
- Have symptoms of intermittent claudication (or leg pain during exercise associated with peripheral artery disease) and/or an ankle brachial index (or a calculation of the difference between arm and leg blood pressures) of less than (<) 0.75.
- Have a history of cancer within the past 5 years (except for curable non-melanoma cancer of the skin, superficial bladder cancer in complete remission, or any other cancer that has been in complete remission for at least 5 years).
- Have colon polyps. If patients have a history of benign colonic polyps that have been removed, they must have evidence of a normal colonoscopy within the last 12 months.
- Require any drug that depresses patients' immune systems (such as methotrexate, cyclophosphamide, or cyclosporine) when they receive the study drug and for 30 days afterwards.
- Have a known disorder that affects patients' immune systems (such as HIV/AIDS, hepatitis B virus [HBV], hepatitis C virus [HCV], sarcoidosis, tuberculosis, rheumatoid arthritis, or autoimmune disorders).
Studieplan
Hur är studien utformad?
Designdetaljer
- Primärt syfte: Behandling
- Tilldelning: Randomiserad
- Interventionsmodell: Parallellt uppdrag
- Maskning: Dubbel
Vapen och interventioner
Deltagargrupp / Arm |
Intervention / Behandling |
---|---|
Experimentell: SB-509
60 mg SB-509 injected IM into lower limbs every 2 months
|
60 mg dose
|
Placebo-jämförare: Normal Saline
Normal saline injected IM into lower limbs every 2 months
|
Vad mäter studien?
Primära resultatmått
Resultatmått |
Tidsram |
---|---|
Visual analog scale for pain intensity (VASPI), Nerve Conduction Velocity (NCV), Total Neuropathy Score (TNS), Epidermal Nerve Fiber Density (ENFD) & Epidermal Nerve Fiber Density Regeneration (ENFDR)
Tidsram: One year
|
One year
|
Sekundära resultatmått
Resultatmått |
Tidsram |
---|---|
Säkerhet
Tidsram: Ett år
|
Ett år
|
Samarbetspartners och utredare
Sponsor
Samarbetspartners
Publikationer och användbara länkar
Användbara länkar
Studieavstämningsdatum
Studera stora datum
Studiestart
Primärt slutförande (Faktisk)
Avslutad studie (Faktisk)
Studieregistreringsdatum
Först inskickad
Först inskickad som uppfyllde QC-kriterierna
Första postat (Uppskatta)
Uppdateringar av studier
Senaste uppdatering publicerad (Uppskatta)
Senaste inskickade uppdateringen som uppfyllde QC-kriterierna
Senast verifierad
Mer information
Termer relaterade till denna studie
Nyckelord
Ytterligare relevanta MeSH-villkor
- Störningar i glukosmetabolism
- Metaboliska sjukdomar
- Sjukdomar i nervsystemet
- Immunsystemets sjukdomar
- Autoimmuna sjukdomar
- Sjukdomar i det endokrina systemet
- Diabeteskomplikationer
- Neuromuskulära sjukdomar
- Sjukdomar i det perifera nervsystemet
- Diabetes mellitus
- Diabetes mellitus, typ 2
- Diabetes mellitus, typ 1
- Polyneuropatier
- Diabetiska neuropatier
Andra studie-ID-nummer
- SB-509-0601
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