Study Stopped
Principal Investigator moved to Chile from Argentina
Safety and Efficacy of Arterial Delivery of Autologous Bone Marrow Cells in the Treatment of Insulin-Dependent Diabetes
Método Para Regenerar el páncreas Con localización in Vivo de médula ósea Total Autologa en Pacientes diabéticos Tipo 1. Estudio Fase IIB.
1 other identifier
interventional
34
1 country
1
Brief Summary
Diabetes mellitus is a long-term multi-organ disease with severe implications that constitute a major health problem worldwide. Type 1 diabetes is an autoimmune disorder in which the body's own immune system attacks and destroys the cells that make insulin. Exogenous administration of insulin is the primary method of controlling type 1 diabetes by regulating blood glucose levels, but this treatment does not reverse nor prevent disease progression. Our hypothesis is that when implanting stimulated total bone marrow by arterial injection directly into the pancreas, we will achieve functional recovery of insulin-producing cells. This study will include patients with chronic type 1 diabetes and absence of lesions in target organs. We will follow the evolution of patients receiving autologous total bone marrow implantation by selective catheterization and compare to a non-treatment control group. All subjects will continue to use insulin therapy as needed to maintain the best possible glucose control. The objective is to achieve a significant increase in C-peptide levels indicating a regeneration of the beta islet cells with a decrease in exogenous insulin usage in at least 70% of the patients. This study is a follow-up to our initial study in which 22 patients received autologous total bone marrow. The initial study was 100% safe but additional studies like the one described above are needed to show efficacy.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_2
Started Feb 2011
Shorter than P25 for phase_2
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
September 1, 2009
CompletedFirst Posted
Study publicly available on registry
September 3, 2009
CompletedStudy Start
First participant enrolled
February 1, 2011
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 1, 2011
CompletedStudy Completion
Last participant's last visit for all outcomes
February 1, 2012
CompletedJuly 27, 2011
July 1, 2011
Same day
September 1, 2009
July 26, 2011
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Significant increase in C-peptide levels after transplant in 70% of the patient.
1 month, 3 months, 6 months, 12 months, 18 months, 24 months
Secondary Outcomes (2)
Reduction by 50% of the insulin requirement after the transplant in 70% of the patients.
Two years
Normalization of the hemoglobin A1C after transplant in 70% of the patients. Normalization of blood glucose levels.
one year
Study Arms (2)
saline injection
SHAM COMPARATORAutologous bone marrow implantation
EXPERIMENTALInterventions
Filgrastim treatment before bone marrow aspiration that will then be implanted via pancreatic artery
Eligibility Criteria
You may qualify if:
- Between 18-30 years of age, diagnosed with diabetes mellitus Type 1 (insulin-dependent).
- Negative antibody titers for GAD and anti-islet.
- Measurements of serum C-peptide below normal values.
- BMI 20-25, men, 19-24, women
You may not qualify if:
- Diabetes type 2, gestational diabetes, and other types of secondary diabetes.
- Patients with acute metabolic complications of diabetes such as ketoacidosis at least within the last 6 months.
- Abdominal perimeter \>102 cm in men; \>88cm in women
- Fasting glycemia \>100 mg/dl, triglycerides \>150 mg/dl, HDL \< 40 mg/dl.
- Blood pressure: SBP \>135 mmHg and DBP \>85 mmHg at the time of randomization
- Patients with BMI \> 25 for men and \>24 for women.
- Patients weighing \< 40 kg.
- Patients with abnormal ECG indicative of acute or chronic ischemia or acute/chronic necrosis.
- Patients with anemias of any origin.
- Patients undergoing antibiotic treatment for acute infection.
- Patients with any blood abnormality.
- Patients with history of moderate to severe pancreatitis.
- A female subject who is breast-feeding, pregnant, intends to become pregnant or refuses to use a contraceptive method during the course of the study.
- Patients allergic to iodine or filgrastim.
- Patients using medications that could affect this study.
- +3 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
School of Medicine, Pontificia Universidad Catolica de Chile
Santiago, Santiago de Chile, Chile
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Alejandro D. Mesples, MD
University of Morón, School of Medicine
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
Study Record Dates
First Submitted
September 1, 2009
First Posted
September 3, 2009
Study Start
February 1, 2011
Primary Completion
February 1, 2011
Study Completion
February 1, 2012
Last Updated
July 27, 2011
Record last verified: 2011-07