Back to resultsAllogeneic Bone Marrow-Derived Mesenchymal Stem Cell Therapy for Idiopathic Parkinson's Disease
Primary Purpose
Parkinson's Disease
Status
Completed
Phase
Phase 1
Locations
United States
Study Type
Interventional
Intervention
Allogeneic bone marrow-derived MSCs (1 x 10 6 MSC/kg)
Allogeneic bone marrow-derived MSCs (3 x 10 6 MSC/kg)
Allogeneic bone marrow-derived MSCs (6 x 10 6 MSC/kg)
Allogeneic bone marrow-derived MSCs (10 x 10 6 MSC/kg)
Sponsored by
About this trial
This is an interventional treatment trial for Parkinson's Disease focused on measuring mesenchymal stem cells
Eligibility Criteria
Inclusion Criteria:
- Men and women between the ages of 45 and 70. The 45-year-old age cutoff ensures that we do not enroll juvenile PD patients.
- Diagnosis of Parkinson disease by the United Kingdom (UK) brain bank criteria including the presence of 2 cardinal signs of PD plus bradykinesia. Diagnosis will be confirmed by the PI or other specialists in Movement Disorders and based on medical history, physical and neurological exams. Patients should have an asymmetric onset, unilateral symptoms and a negative pull test. (See Appendix A)
- Moderate to severe microsmia (UPSIT <29).
- A modified Hoehn and Yahr stage of 3 or less in the levodopa OFF state. (See Appendix B)
- Diagnosis of PD between 4 to 7 years.
- Robust response to dopaminergic therapy (defined as greater than 33% reduction in symptoms (on the Unified Parkinson's Disease Rating Scale; UPDRS) when measured in the ON medicine state compared to OFF state.
- If subject is taking any central nervous system acting medications (e.g., benzodiazepines, antidepressants, hypnotics) regimen must be optimized and stable for 90 days prior to the screening visit.
- A stable Parkinson's disease symptomatic therapy for at least 90 days prior to screening and not projected to require additional Parkinson's disease symptomatic therapy for at least one year from the baseline visit.
- Women of childbearing potential will be required to use a reliable form of contraception from 30 days prior to baseline visit until 6 months after the final dose of the study drug.
Exclusion Criteria:
- Atypical or drug-induced Parkinsonism.
- A UPDRS rest tremor score of 3 or greater for any limb.
- A Montreal Cognitive Assessment (MoCA) score of less than 25. (See Appendix C)
- Clinical features of psychosis or refractory hallucinations.
- Uncontrolled seizure disorder, defined as a seizure within the last 6 months.
- Developmental delay.
- Chronic kidney disease defined as glomerular filtration rate (GFR) < 50 mL/min/m2.
- Hepatic disease or altered liver function as defined by alanine transaminase (ALT) >150 U/L and or T. Bilirubin >1.6 mg/dl at admission.
- Presence of clinically refractory orthostatic hypotension at the screening or baseline visit defined as greater than or equal to 20 mmHg change in systolic BP and greater than or equal to 10 mmHg change in diastolic BP from sitting position to standing after 2 minutes that does not respond to medical treatment or baseline sitting BP less than 90/60.
- History of congestive heart failure, clinically significant bradycardia, presence of 2nd or 3rd degree atrioventricular block.
- Pulmonary disease: chronic obstructive pulmonary disease (COPD) with oxygen-requirement at rest or with ambulation; or moderate to severe asthma.
- Active malignancy or diagnosis of malignancy within 5 years prior to the start of screening (Cancer free for at least 5 years is permitted; skin cancers, except for melanoma, are permitted).
- Any diagnosis of autoimmune disease or immunocompromised state, including chemotherapy administration within last 3 years or current immunosuppression as defined by white blood cell (WBC) <3 x 103 cells/ml.
- History of strokes or traumatic brain injury.
- Major surgery within the previous 3 months or planned in the ensuing 6 months.
- Clinically significant abnormalities in the Screening Visit laboratory studies.
- History of use of an investigational drug within 30 days prior to the screening visit.
- History of brain surgery for PD.
- Unable to return for follow-up visits for clinical evaluation, laboratory studies, or imaging evaluation.
- Substance abuse disorder.
- Active anticoagulation treatment.
- Any other condition that the investigator feels would pose a significant hazard to the patient if enrolled or complicate the study assessments.
Sites / Locations
- The University of Texas Health Science Center at Houston
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Arm Type
Experimental
Experimental
Experimental
Experimental
Arm Label
Bone marrow-derived MSC transplantation (1 x 10 6 MSC/kg)
Bone marrow-derived MSC transplantation (3 x 10 6 MSC/kg)
Bone marrow-derived MSC transplantation (6 x 10 6 MSC/kg)
Bone marrow-derived MSC transplantation (10 x 10 6 MSC/kg)
Arm Description
Allogeneic bone marrow-derived MSCs will be delivered intravenously.
Allogeneic bone marrow-derived MSCs will be delivered intravenously.
Allogeneic bone marrow-derived MSCs will be delivered intravenously.
Allogeneic bone marrow-derived MSCs will be delivered intravenously.
Outcomes
Primary Outcome Measures
Safety of allogeneic MSC therapy in patients with iPD as indicated by the presence of adverse events that are confirmed to be related to the therapy
Adverse events include renal failure, liver failure, and hemolytic anemia.
Safety of allogeneic MSC therapy in patients with iPD as indicated by the presence of adverse events that are confirmed to be related to the therapy
Adverse events include renal failure, liver failure, and hemolytic anemia.
Safety of allogeneic MSC therapy in patients with iPD as indicated by the presence of adverse events that are confirmed to be related to the therapy
Adverse events include renal failure, liver failure, and hemolytic anemia.
Safety of allogeneic MSC therapy in patients with iPD as indicated by the presence of adverse events that are confirmed to be related to the therapy
Adverse events include renal failure, liver failure, and hemolytic anemia.
Secondary Outcome Measures
Change in motor function as assessed by the Unified Parkinson's Disease Rating Scale (UPDRS) Total score
The UPDRS serves as a disability and impairment scale for progression follow-up and is divided into four sections.
Part I: evaluation of mentation, behavior, and mood (13 questions).
Part II: evaluation of activities of daily living including speech, swallowing, handwriting, dressing, hygiene, falling, salivating, turning in bed, walking, and cutting food (13 questions).
Part III: motor examination (33 scores based on 18 questions with right, left or other body distributions scores)
Part IV: motor complications (6 questions)
All items have 5 response options with uniform anchors of: 0 = normal, 1 = slight (symptoms/signs with sufficiently low frequency or intensity to cause no impact on function), 2 = mild (symptoms/signs of frequency or intensity sufficient to cause a modest impact on function, 3 = moderate (symptoms/signs sufficiently frequent or intense to impact considerably, but not prevent function), 4 = severe (symptoms/signs that prevent function).
Change in motor function as assessed by the Unified Parkinson's Disease Rating Scale (UPDRS) Total score
The UPDRS serves as a disability and impairment scale for progression follow-up and is divided into four sections.
Part I: evaluation of mentation, behavior, and mood (13 questions).
Part II: evaluation of activities of daily living including speech, swallowing, handwriting, dressing, hygiene, falling, salivating, turning in bed, walking, and cutting food (13 questions).
Part III: motor examination (33 scores based on 18 questions with right, left or other body distributions scores)
Part IV: motor complications (6 questions)
All items have 5 response options with uniform anchors of: 0 = normal, 1 = slight (symptoms/signs with sufficiently low frequency or intensity to cause no impact on function), 2 = mild (symptoms/signs of frequency or intensity sufficient to cause a modest impact on function, 3 = moderate (symptoms/signs sufficiently frequent or intense to impact considerably, but not prevent function), 4 = severe (symptoms/signs that prevent function).
Change in motor function as assessed by the Unified Parkinson's Disease Rating Scale (UPDRS) Total score
The UPDRS serves as a disability and impairment scale for progression follow-up and is divided into four sections.
Part I: evaluation of mentation, behavior, and mood (13 questions).
Part II: evaluation of activities of daily living including speech, swallowing, handwriting, dressing, hygiene, falling, salivating, turning in bed, walking, and cutting food (13 questions).
Part III: motor examination (33 scores based on 18 questions with right, left or other body distributions scores)
Part IV: motor complications (6 questions)
All items have 5 response options with uniform anchors of: 0 = normal, 1 = slight (symptoms/signs with sufficiently low frequency or intensity to cause no impact on function), 2 = mild (symptoms/signs of frequency or intensity sufficient to cause a modest impact on function, 3 = moderate (symptoms/signs sufficiently frequent or intense to impact considerably, but not prevent function), 4 = severe (symptoms/signs that prevent function).
Change in motor function as assessed by the Unified Parkinson's Disease Rating Scale (UPDRS) Total score
The UPDRS serves as a disability and impairment scale for progression follow-up and is divided into four sections.
Part I: evaluation of mentation, behavior, and mood (13 questions).
Part II: evaluation of activities of daily living including speech, swallowing, handwriting, dressing, hygiene, falling, salivating, turning in bed, walking, and cutting food (13 questions).
Part III: motor examination (33 scores based on 18 questions with right, left or other body distributions scores)
Part IV: motor complications (6 questions)
All items have 5 response options with uniform anchors of: 0 = normal, 1 = slight (symptoms/signs with sufficiently low frequency or intensity to cause no impact on function), 2 = mild (symptoms/signs of frequency or intensity sufficient to cause a modest impact on function, 3 = moderate (symptoms/signs sufficiently frequent or intense to impact considerably, but not prevent function), 4 = severe (symptoms/signs that prevent function).
Change in motor function as assessed by the UPDRS Motor score
Parts III and IV of the UPDRS will be performed as described above.
Change in motor function as assessed by the UPDRS Motor score
Parts III and IV of the UPDRS will be performed as described above.
Change in motor function as assessed by the UPDRS Motor score
Parts III and IV of the UPDRS will be performed as described above.
Change in motor function as assessed by the UPDRS Motor score
Parts III and IV of the UPDRS will be performed as described above.
Change in motor function as assessed by Timed-Up-and-Go (TUG)
Time in seconds required to stand from a chair, walk 7meters, turn, walk back to the chair and sit down.
Change in motor function as assessed by Timed-Up-and-Go (TUG)
Time in seconds required to stand from a chair, walk 7meters, turn, walk back to the chair and sit down.
Change in motor function as assessed by Timed-Up-and-Go (TUG)
Time in seconds required to stand from a chair, walk 7meters, turn, walk back to the chair and sit down.
Change in motor function as assessed by Timed-Up-and-Go (TUG)
Time in seconds required to stand from a chair, walk 7meters, turn, walk back to the chair and sit down.
Change in disability as measured by the Modified Hoehn and Yahr Scale
The Modified Hoehn and Yahr Scale is a staging instrument that defines broad categories of motor function in Parkinson's disease, starting at Stage 0: no signs of disease to the highest stage 5: wheelchair bound or bedridden unless aided.
Change in disability as measured by the Modified Hoehn and Yahr Scale
The Modified Hoehn and Yahr Scale is a staging instrument that defines broad categories of motor function in Parkinson's disease, starting at Stage 0: no signs of disease to the highest stage 5: wheelchair bound or bedridden unless aided.
Change in disability as measured by the Modified Hoehn and Yahr Scale
The Modified Hoehn and Yahr Scale is a staging instrument that defines broad categories of motor function in Parkinson's disease, starting at Stage 0: no signs of disease to the highest stage 5: wheelchair bound or bedridden unless aided.
Change in disability as measured by the Modified Hoehn and Yahr Scale
The Modified Hoehn and Yahr Scale is a staging instrument that defines broad categories of motor function in Parkinson's disease, starting at Stage 0: no signs of disease to the highest stage 5: wheelchair bound or bedridden unless aided.
functional connectivity between substantia nigra and dorsal striatum as assessed by resting state functional magnetic resonance imaging (fMRI)
Diffusion tensor and T2 imaging with the resting state functional connectivity technique will be used.
perfusion as assessed by arterial spin-labeled (ASL) perfusion MRI
Resting cerebral blood flow (CBF) will be measured using a pseudo-continuous arterial spin labeling (pCASL) MRI sequence with gradient-echo echo-planar imaging (EPI), which allows for a non-invasive quantification of CBF.
structural connectivity as assessed by diffusion-weighted MRI for diffusion tensor image (DTI) analysis
A set of diffusion-weighted image volumes (32-directions, high angular resolution) will be collected using the gradient overplus option with one B0 (non-diffusion weighted) image volume acquired before the acquisition of one repetition of the diffusion-weighted scans. Diffusion tensor and associated computations will be performed. White matter microstructure will be examined, which represents the structural pathways linking specific cortical and subcortical regions. It will be determined whether there is increased fractional anisotropy and decreased mean diffusivity along white matter fibers that link regions exhibiting increased functional connectivity, such as substantia nigra and dorsal striatum.
volume of subcortical structures as assessed by T1- and T2- weighted MRI with Fluid Attenuated Inversion Recovery
Anatomical imaging allows visualization of the brain structure at the level of about 1 cubic millimeter. These scans will be used to estimate the volume of subcortical structures (e.g., putamen, caudate nucleus).
cortical thickness as assessed by T1- and T2- weighted MRI with Fluid Attenuated Inversion Recovery
Anatomical imaging allows visualization of the brain structure at the level of about 1 cubic millimeter. These scans will be used to measure cortical thickness (e.g., gray matter density).
Change in gross brain structure as assessed by T1- and T2- weighted MRI with Fluid Attenuated Inversion Recovery
Anatomical imaging allows visualization of the brain structure at the level of about 1 cubic millimeter. These scans will be used to detect any gross structural changes or inflammation that appear during the course of treatment.
Change in brain activity as assessed by task state fMRI
Whole-brain echo-planar imaging (EPI) runs sensitive to BOLD contrast will be acquired while participants do self-paced finger tapping using their left and right hands at separate points in time, and during the resting state after being instructed to remain still and fixate on a white crosshair displayed on a black background during the functional acquisition. Functional imaging will be done in the OFF medication state. It will be determined whether there is a reduction in the abnormally high activity pattern in motor cortex and an increase in putamen activity.
Change in quality of life as assessed by the modified Schwab and England activities of daily living (ADL) score
The Schwab & England scale is a physician assessment of the subject's level of independence. The subject will be scored on a percentage scale reflective of his/her ability to perform acts of daily living in relation to what he/she did before Parkinson disease appeared. Scores range from 100% to 0% in increments of 10%, where 100% is completely independent and 0% is only vegetative functions.
Change in quality of life as assessed by the modified Schwab and England activities of daily living (ADL) score
The Schwab & England scale is a physician assessment of the subject's level of independence. The subject will be scored on a percentage scale reflective of his/her ability to perform acts of daily living in relation to what he/she did before Parkinson disease appeared. Scores range from 100% to 0% in increments of 10%, where 100% is completely independent and 0% is only vegetative functions.
Change in quality of life as assessed by the modified Schwab and England activities of daily living (ADL) score
The Schwab & England scale is a physician assessment of the subject's level of independence. The subject will be scored on a percentage scale reflective of his/her ability to perform acts of daily living in relation to what he/she did before Parkinson disease appeared. Scores range from 100% to 0% in increments of 10%, where 100% is completely independent and 0% is only vegetative functions.
Change in quality of life as assessed by the modified Schwab and England activities of daily living (ADL) score
The Schwab & England scale is a physician assessment of the subject's level of independence. The subject will be scored on a percentage scale reflective of his/her ability to perform acts of daily living in relation to what he/she did before Parkinson disease appeared. Scores range from 100% to 0% in increments of 10%, where 100% is completely independent and 0% is only vegetative functions.
Change in quality of life as assessed by the Parkinson's Disease Questionnaire (PDQ-39)
The PDQ-39 is a 39 questions Parkinson's Disease self-completed questionnaire that comprises 8 domains: mobility (10 items), activities of daily living (6 items), emotional well-being (6 items), stigma (4 items), social support (3 items), cognition (4 items), communication (3 items) and bodily discomfort (3 items). All items are assumed to impact QoL and must be answered to compute scores for each dimension. Questions are answered based on experiences from the preceding month using a 5-point ordinal scoring system: 0 = never, 1 = occasionally, 2 = sometimes, 3 = often, 4 = always. Each scores range from 0 = never have difficulty to 100 = always have difficulty.
Change in quality of life as assessed by the Parkinson's Disease Questionnaire (PDQ-39)
The PDQ-39 is a 39 questions Parkinson's Disease self-completed questionnaire that comprises 8 domains: mobility (10 items), activities of daily living (6 items), emotional well-being (6 items), stigma (4 items), social support (3 items), cognition (4 items), communication (3 items) and bodily discomfort (3 items). All items are assumed to impact QoL and must be answered to compute scores for each dimension. Questions are answered based on experiences from the preceding month using a 5-point ordinal scoring system: 0 = never, 1 = occasionally, 2 = sometimes, 3 = often, 4 = always. Each scores range from 0 = never have difficulty to 100 = always have difficulty.
Change in quality of life as assessed by the Parkinson's Disease Questionnaire (PDQ-39)
The PDQ-39 is a 39 questions Parkinson's Disease self-completed questionnaire that comprises 8 domains: mobility (10 items), activities of daily living (6 items), emotional well-being (6 items), stigma (4 items), social support (3 items), cognition (4 items), communication (3 items) and bodily discomfort (3 items). All items are assumed to impact QoL and must be answered to compute scores for each dimension. Questions are answered based on experiences from the preceding month using a 5-point ordinal scoring system: 0 = never, 1 = occasionally, 2 = sometimes, 3 = often, 4 = always. Each scores range from 0 = never have difficulty to 100 = always have difficulty.
Change in quality of life as assessed by the Parkinson's Disease Questionnaire (PDQ-39)
The PDQ-39 is a 39 questions Parkinson's Disease self-completed questionnaire that comprises 8 domains: mobility (10 items), activities of daily living (6 items), emotional well-being (6 items), stigma (4 items), social support (3 items), cognition (4 items), communication (3 items) and bodily discomfort (3 items). All items are assumed to impact QoL and must be answered to compute scores for each dimension. Questions are answered based on experiences from the preceding month using a 5-point ordinal scoring system: 0 = never, 1 = occasionally, 2 = sometimes, 3 = often, 4 = always. Each scores range from 0 = never have difficulty to 100 = always have difficulty.
Change in cognitive function as assessed by the Montreal Cognitive Assessment (MoCA)
The Montreal Cognitive Assessment is a rapid screening instrument for working memory, visual-spatial abilities, executive function, attention, concentration, language and orientation. The total score ranges from 0 to 30; a score of 26 or above is considered normal.
Change in immunologic response as assessed by plasma concentrations of cytokines
Investigators will assess cytokines associated with inflammation [interleukin-6 (IL-6), Interleukin-1 beta (IL-1β), Tumor Necrosis Factor beta (TNFβ)]; cell growth and differentiation [Brain-derived neurotrophic factor (BDNF), Granulocyte-macrophage colony-stimulating factor (GM-CSF)]; monocyte migration [Fractalkine, Eotaxin, monocyte chemotactic protein 1 (MCP-1), Macrophage Inflammatory Protein 1 beta (MIP-1β)]; and adaptive immune response [interleukin 12 subunit beta (IL-12p40), interleukin 7 (IL-7), interleukin 9 (IL-9), interleukin 4 (IL-4)] will be measured.
Change in immunologic response as assessed by plasma concentrations of cytokines
Investigators will assess cytokines associated with inflammation [interleukin-6 (IL-6), Interleukin-1 beta (IL-1β), Tumor Necrosis Factor beta (TNFβ)]; cell growth and differentiation [Brain-derived neurotrophic factor (BDNF), Granulocyte-macrophage colony-stimulating factor (GM-CSF)]; monocyte migration [Fractalkine, Eotaxin, monocyte chemotactic protein 1 (MCP-1), Macrophage Inflammatory Protein 1 beta (MIP-1β)]; and adaptive immune response [interleukin 12 subunit beta (IL-12p40), interleukin 7 (IL-7), interleukin 9 (IL-9), interleukin 4 (IL-4)] will be measured.
Change in immunologic response as assessed by plasma concentrations of cytokines
Investigators will assess cytokines associated with inflammation [interleukin-6 (IL-6), Interleukin-1 beta (IL-1β), Tumor Necrosis Factor beta (TNFβ)]; cell growth and differentiation [Brain-derived neurotrophic factor (BDNF), Granulocyte-macrophage colony-stimulating factor (GM-CSF)]; monocyte migration [Fractalkine, Eotaxin, monocyte chemotactic protein 1 (MCP-1), Macrophage Inflammatory Protein 1 beta (MIP-1β)]; and adaptive immune response [interleukin 12 subunit beta (IL-12p40), interleukin 7 (IL-7), interleukin 9 (IL-9), interleukin 4 (IL-4)] will be measured.
Change in immunologic response as assessed by plasma concentrations of cytokines
Investigators will assess cytokines associated with inflammation [interleukin-6 (IL-6), Interleukin-1 beta (IL-1β), Tumor Necrosis Factor beta (TNFβ)]; cell growth and differentiation [Brain-derived neurotrophic factor (BDNF), Granulocyte-macrophage colony-stimulating factor (GM-CSF)]; monocyte migration [Fractalkine, Eotaxin, monocyte chemotactic protein 1 (MCP-1), Macrophage Inflammatory Protein 1 beta (MIP-1β)]; and adaptive immune response [interleukin 12 subunit beta (IL-12p40), interleukin 7 (IL-7), interleukin 9 (IL-9), interleukin 4 (IL-4)] will be measured.
Change in suicidal ideation or behaviors as assessed by and Columbia Suicide Severity Rating Scale (CSSRS)
The CSSRS rating scale is a set of questions directed towards eliciting verbalization of suicidal feelings or actions
Full Information
NCT ID
NCT02611167
First Posted
November 11, 2015
Last Updated
September 2, 2020
Sponsor
The University of Texas Health Science Center, Houston
1. Study Identification
Unique Protocol Identification Number
NCT02611167
Brief Title
Allogeneic Bone Marrow-Derived Mesenchymal Stem Cell Therapy for Idiopathic Parkinson's Disease
Official Title
Pilot Phase I Study of Allogeneic Bone Marrow-Derived Mesenchymal Stem Cell Therapy for Idiopathic Parkinson's Disease
Study Type
Interventional
2. Study Status
Record Verification Date
September 2020
Overall Recruitment Status
Completed
Study Start Date
November 1, 2017 (Actual)
Primary Completion Date
September 18, 2019 (Actual)
Study Completion Date
September 18, 2019 (Actual)
3. Sponsor/Collaborators
Responsible Party, by Official Title
Principal Investigator
Name of the Sponsor
The University of Texas Health Science Center, Houston
4. Oversight
Studies a U.S. FDA-regulated Drug Product
Yes
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
Yes
5. Study Description
Brief Summary
The purpose of this study is to assess the safety, feasibility, and efficacy of intravenous allogeneic bone marrow-derived mesenchymal stem cell (MSC) therapy for idiopathic Parkinson's disease (iPD).
Detailed Description
Allogeneic bone marrow-derived mesenchymal stem cells (MSCs) will be delivered intravenously at one of four doses: 1 x 10 6 MSC/kg, 3 x 10 6 MSC/kg, 6 x 10 6 MSC/kg, or 10 x 10 6 MSC/kg of body weight to a population of patients with idiopathic Parkinson's disease (iPD). The infusion will be at 1 week after the baseline visit, following two screening visits. Patients will be followed until 52 weeks after the infusion visit. The safety of the therapy, as well as the impact of the therapy on the rate of Parkinson's disease (PD) progression, will be assessed.
6. Conditions and Keywords
Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Parkinson's Disease
Keywords
mesenchymal stem cells
7. Study Design
Primary Purpose
Treatment
Study Phase
Phase 1
Interventional Study Model
Sequential Assignment
Masking
None (Open Label)
Allocation
Non-Randomized
Enrollment
20 (Actual)
8. Arms, Groups, and Interventions
Arm Title
Bone marrow-derived MSC transplantation (1 x 10 6 MSC/kg)
Arm Type
Experimental
Arm Description
Allogeneic bone marrow-derived MSCs will be delivered intravenously.
Arm Title
Bone marrow-derived MSC transplantation (3 x 10 6 MSC/kg)
Arm Type
Experimental
Arm Description
Allogeneic bone marrow-derived MSCs will be delivered intravenously.
Arm Title
Bone marrow-derived MSC transplantation (6 x 10 6 MSC/kg)
Arm Type
Experimental
Arm Description
Allogeneic bone marrow-derived MSCs will be delivered intravenously.
Arm Title
Bone marrow-derived MSC transplantation (10 x 10 6 MSC/kg)
Arm Type
Experimental
Arm Description
Allogeneic bone marrow-derived MSCs will be delivered intravenously.
Intervention Type
Biological
Intervention Name(s)
Allogeneic bone marrow-derived MSCs (1 x 10 6 MSC/kg)
Intervention Description
Bone marrow-derived allogeneic MSCs will be delivered intravenously in escalating doses of 1 x 10 6 MSC/kg, 3 x 10 6 MSC/kg, 6 x 10 6 MSC/kg, or 10 x 10 6 MSC/kg of body weight to a population of patients with idiopathic Parkinson's disease (iPD).
Intervention Type
Biological
Intervention Name(s)
Allogeneic bone marrow-derived MSCs (3 x 10 6 MSC/kg)
Intervention Description
Bone marrow-derived allogeneic MSCs will be delivered intravenously in escalating doses of 1 x 10 6 MSC/kg, 3 x 10 6 MSC/kg, 6 x 10 6 MSC/kg, or 10 x 10 6 MSC/kg of body weight to a population of patients with idiopathic Parkinson's disease (iPD).
Intervention Type
Biological
Intervention Name(s)
Allogeneic bone marrow-derived MSCs (6 x 10 6 MSC/kg)
Intervention Description
Bone marrow-derived allogeneic MSCs will be delivered intravenously in escalating doses of 1 x 10 6 MSC/kg, 3 x 10 6 MSC/kg, 6 x 10 6 MSC/kg, or 10 x 10 6 MSC/kg of body weight to a population of patients with idiopathic Parkinson's disease (iPD).
Intervention Type
Biological
Intervention Name(s)
Allogeneic bone marrow-derived MSCs (10 x 10 6 MSC/kg)
Intervention Description
Bone marrow-derived allogeneic MSCs will be delivered intravenously in escalating doses of 1 x 10 6 MSC/kg, 3 x 10 6 MSC/kg, 6 x 10 6 MSC/kg, or 10 x 10 6 MSC/kg of body weight to a population of patients with idiopathic Parkinson's disease (iPD).
Primary Outcome Measure Information:
Title
Safety of allogeneic MSC therapy in patients with iPD as indicated by the presence of adverse events that are confirmed to be related to the therapy
Description
Adverse events include renal failure, liver failure, and hemolytic anemia.
Time Frame
3 weeks after the first infusion
Title
Safety of allogeneic MSC therapy in patients with iPD as indicated by the presence of adverse events that are confirmed to be related to the therapy
Description
Adverse events include renal failure, liver failure, and hemolytic anemia.
Time Frame
12 weeks after the first infusion
Title
Safety of allogeneic MSC therapy in patients with iPD as indicated by the presence of adverse events that are confirmed to be related to the therapy
Description
Adverse events include renal failure, liver failure, and hemolytic anemia.
Time Frame
24 weeks after the first infusion
Title
Safety of allogeneic MSC therapy in patients with iPD as indicated by the presence of adverse events that are confirmed to be related to the therapy
Description
Adverse events include renal failure, liver failure, and hemolytic anemia.
Time Frame
52 weeks after the first infusion
Secondary Outcome Measure Information:
Title
Change in motor function as assessed by the Unified Parkinson's Disease Rating Scale (UPDRS) Total score
Description
The UPDRS serves as a disability and impairment scale for progression follow-up and is divided into four sections.
Part I: evaluation of mentation, behavior, and mood (13 questions).
Part II: evaluation of activities of daily living including speech, swallowing, handwriting, dressing, hygiene, falling, salivating, turning in bed, walking, and cutting food (13 questions).
Part III: motor examination (33 scores based on 18 questions with right, left or other body distributions scores)
Part IV: motor complications (6 questions)
All items have 5 response options with uniform anchors of: 0 = normal, 1 = slight (symptoms/signs with sufficiently low frequency or intensity to cause no impact on function), 2 = mild (symptoms/signs of frequency or intensity sufficient to cause a modest impact on function, 3 = moderate (symptoms/signs sufficiently frequent or intense to impact considerably, but not prevent function), 4 = severe (symptoms/signs that prevent function).
Time Frame
baseline, 3 weeks
Title
Change in motor function as assessed by the Unified Parkinson's Disease Rating Scale (UPDRS) Total score
Description
The UPDRS serves as a disability and impairment scale for progression follow-up and is divided into four sections.
Part I: evaluation of mentation, behavior, and mood (13 questions).
Part II: evaluation of activities of daily living including speech, swallowing, handwriting, dressing, hygiene, falling, salivating, turning in bed, walking, and cutting food (13 questions).
Part III: motor examination (33 scores based on 18 questions with right, left or other body distributions scores)
Part IV: motor complications (6 questions)
All items have 5 response options with uniform anchors of: 0 = normal, 1 = slight (symptoms/signs with sufficiently low frequency or intensity to cause no impact on function), 2 = mild (symptoms/signs of frequency or intensity sufficient to cause a modest impact on function, 3 = moderate (symptoms/signs sufficiently frequent or intense to impact considerably, but not prevent function), 4 = severe (symptoms/signs that prevent function).
Time Frame
baseline, 12 weeks
Title
Change in motor function as assessed by the Unified Parkinson's Disease Rating Scale (UPDRS) Total score
Description
The UPDRS serves as a disability and impairment scale for progression follow-up and is divided into four sections.
Part I: evaluation of mentation, behavior, and mood (13 questions).
Part II: evaluation of activities of daily living including speech, swallowing, handwriting, dressing, hygiene, falling, salivating, turning in bed, walking, and cutting food (13 questions).
Part III: motor examination (33 scores based on 18 questions with right, left or other body distributions scores)
Part IV: motor complications (6 questions)
All items have 5 response options with uniform anchors of: 0 = normal, 1 = slight (symptoms/signs with sufficiently low frequency or intensity to cause no impact on function), 2 = mild (symptoms/signs of frequency or intensity sufficient to cause a modest impact on function, 3 = moderate (symptoms/signs sufficiently frequent or intense to impact considerably, but not prevent function), 4 = severe (symptoms/signs that prevent function).
Time Frame
baseline, 24 weeks
Title
Change in motor function as assessed by the Unified Parkinson's Disease Rating Scale (UPDRS) Total score
Description
The UPDRS serves as a disability and impairment scale for progression follow-up and is divided into four sections.
Part I: evaluation of mentation, behavior, and mood (13 questions).
Part II: evaluation of activities of daily living including speech, swallowing, handwriting, dressing, hygiene, falling, salivating, turning in bed, walking, and cutting food (13 questions).
Part III: motor examination (33 scores based on 18 questions with right, left or other body distributions scores)
Part IV: motor complications (6 questions)
All items have 5 response options with uniform anchors of: 0 = normal, 1 = slight (symptoms/signs with sufficiently low frequency or intensity to cause no impact on function), 2 = mild (symptoms/signs of frequency or intensity sufficient to cause a modest impact on function, 3 = moderate (symptoms/signs sufficiently frequent or intense to impact considerably, but not prevent function), 4 = severe (symptoms/signs that prevent function).
Time Frame
baseline, 52 weeks
Title
Change in motor function as assessed by the UPDRS Motor score
Description
Parts III and IV of the UPDRS will be performed as described above.
Time Frame
baseline, 3 weeks
Title
Change in motor function as assessed by the UPDRS Motor score
Description
Parts III and IV of the UPDRS will be performed as described above.
Time Frame
baseline, 12 weeks
Title
Change in motor function as assessed by the UPDRS Motor score
Description
Parts III and IV of the UPDRS will be performed as described above.
Time Frame
baseline, 24 weeks
Title
Change in motor function as assessed by the UPDRS Motor score
Description
Parts III and IV of the UPDRS will be performed as described above.
Time Frame
baseline, 52 weeks
Title
Change in motor function as assessed by Timed-Up-and-Go (TUG)
Description
Time in seconds required to stand from a chair, walk 7meters, turn, walk back to the chair and sit down.
Time Frame
baseline, 3 weeks
Title
Change in motor function as assessed by Timed-Up-and-Go (TUG)
Description
Time in seconds required to stand from a chair, walk 7meters, turn, walk back to the chair and sit down.
Time Frame
baseline, 12 weeks
Title
Change in motor function as assessed by Timed-Up-and-Go (TUG)
Description
Time in seconds required to stand from a chair, walk 7meters, turn, walk back to the chair and sit down.
Time Frame
baseline, 24 weeks
Title
Change in motor function as assessed by Timed-Up-and-Go (TUG)
Description
Time in seconds required to stand from a chair, walk 7meters, turn, walk back to the chair and sit down.
Time Frame
baseline, 52 weeks
Title
Change in disability as measured by the Modified Hoehn and Yahr Scale
Description
The Modified Hoehn and Yahr Scale is a staging instrument that defines broad categories of motor function in Parkinson's disease, starting at Stage 0: no signs of disease to the highest stage 5: wheelchair bound or bedridden unless aided.
Time Frame
baseline, 3 weeks
Title
Change in disability as measured by the Modified Hoehn and Yahr Scale
Description
The Modified Hoehn and Yahr Scale is a staging instrument that defines broad categories of motor function in Parkinson's disease, starting at Stage 0: no signs of disease to the highest stage 5: wheelchair bound or bedridden unless aided.
Time Frame
baseline, 12 weeks
Title
Change in disability as measured by the Modified Hoehn and Yahr Scale
Description
The Modified Hoehn and Yahr Scale is a staging instrument that defines broad categories of motor function in Parkinson's disease, starting at Stage 0: no signs of disease to the highest stage 5: wheelchair bound or bedridden unless aided.
Time Frame
baseline, 24 weeks
Title
Change in disability as measured by the Modified Hoehn and Yahr Scale
Description
The Modified Hoehn and Yahr Scale is a staging instrument that defines broad categories of motor function in Parkinson's disease, starting at Stage 0: no signs of disease to the highest stage 5: wheelchair bound or bedridden unless aided.
Time Frame
baseline, 52 weeks
Title
functional connectivity between substantia nigra and dorsal striatum as assessed by resting state functional magnetic resonance imaging (fMRI)
Description
Diffusion tensor and T2 imaging with the resting state functional connectivity technique will be used.
Time Frame
baseline
Title
perfusion as assessed by arterial spin-labeled (ASL) perfusion MRI
Description
Resting cerebral blood flow (CBF) will be measured using a pseudo-continuous arterial spin labeling (pCASL) MRI sequence with gradient-echo echo-planar imaging (EPI), which allows for a non-invasive quantification of CBF.
Time Frame
baseline
Title
structural connectivity as assessed by diffusion-weighted MRI for diffusion tensor image (DTI) analysis
Description
A set of diffusion-weighted image volumes (32-directions, high angular resolution) will be collected using the gradient overplus option with one B0 (non-diffusion weighted) image volume acquired before the acquisition of one repetition of the diffusion-weighted scans. Diffusion tensor and associated computations will be performed. White matter microstructure will be examined, which represents the structural pathways linking specific cortical and subcortical regions. It will be determined whether there is increased fractional anisotropy and decreased mean diffusivity along white matter fibers that link regions exhibiting increased functional connectivity, such as substantia nigra and dorsal striatum.
Time Frame
baseline
Title
volume of subcortical structures as assessed by T1- and T2- weighted MRI with Fluid Attenuated Inversion Recovery
Description
Anatomical imaging allows visualization of the brain structure at the level of about 1 cubic millimeter. These scans will be used to estimate the volume of subcortical structures (e.g., putamen, caudate nucleus).
Time Frame
baseline
Title
cortical thickness as assessed by T1- and T2- weighted MRI with Fluid Attenuated Inversion Recovery
Description
Anatomical imaging allows visualization of the brain structure at the level of about 1 cubic millimeter. These scans will be used to measure cortical thickness (e.g., gray matter density).
Time Frame
baseline
Title
Change in gross brain structure as assessed by T1- and T2- weighted MRI with Fluid Attenuated Inversion Recovery
Description
Anatomical imaging allows visualization of the brain structure at the level of about 1 cubic millimeter. These scans will be used to detect any gross structural changes or inflammation that appear during the course of treatment.
Time Frame
baseline
Title
Change in brain activity as assessed by task state fMRI
Description
Whole-brain echo-planar imaging (EPI) runs sensitive to BOLD contrast will be acquired while participants do self-paced finger tapping using their left and right hands at separate points in time, and during the resting state after being instructed to remain still and fixate on a white crosshair displayed on a black background during the functional acquisition. Functional imaging will be done in the OFF medication state. It will be determined whether there is a reduction in the abnormally high activity pattern in motor cortex and an increase in putamen activity.
Time Frame
baseline
Title
Change in quality of life as assessed by the modified Schwab and England activities of daily living (ADL) score
Description
The Schwab & England scale is a physician assessment of the subject's level of independence. The subject will be scored on a percentage scale reflective of his/her ability to perform acts of daily living in relation to what he/she did before Parkinson disease appeared. Scores range from 100% to 0% in increments of 10%, where 100% is completely independent and 0% is only vegetative functions.
Time Frame
baseline, 3 weeks
Title
Change in quality of life as assessed by the modified Schwab and England activities of daily living (ADL) score
Description
The Schwab & England scale is a physician assessment of the subject's level of independence. The subject will be scored on a percentage scale reflective of his/her ability to perform acts of daily living in relation to what he/she did before Parkinson disease appeared. Scores range from 100% to 0% in increments of 10%, where 100% is completely independent and 0% is only vegetative functions.
Time Frame
baseline, 12 weeks
Title
Change in quality of life as assessed by the modified Schwab and England activities of daily living (ADL) score
Description
The Schwab & England scale is a physician assessment of the subject's level of independence. The subject will be scored on a percentage scale reflective of his/her ability to perform acts of daily living in relation to what he/she did before Parkinson disease appeared. Scores range from 100% to 0% in increments of 10%, where 100% is completely independent and 0% is only vegetative functions.
Time Frame
baseline, 24 weeks
Title
Change in quality of life as assessed by the modified Schwab and England activities of daily living (ADL) score
Description
The Schwab & England scale is a physician assessment of the subject's level of independence. The subject will be scored on a percentage scale reflective of his/her ability to perform acts of daily living in relation to what he/she did before Parkinson disease appeared. Scores range from 100% to 0% in increments of 10%, where 100% is completely independent and 0% is only vegetative functions.
Time Frame
baseline, 52 weeks
Title
Change in quality of life as assessed by the Parkinson's Disease Questionnaire (PDQ-39)
Description
The PDQ-39 is a 39 questions Parkinson's Disease self-completed questionnaire that comprises 8 domains: mobility (10 items), activities of daily living (6 items), emotional well-being (6 items), stigma (4 items), social support (3 items), cognition (4 items), communication (3 items) and bodily discomfort (3 items). All items are assumed to impact QoL and must be answered to compute scores for each dimension. Questions are answered based on experiences from the preceding month using a 5-point ordinal scoring system: 0 = never, 1 = occasionally, 2 = sometimes, 3 = often, 4 = always. Each scores range from 0 = never have difficulty to 100 = always have difficulty.
Time Frame
baseline, 3 weeks
Title
Change in quality of life as assessed by the Parkinson's Disease Questionnaire (PDQ-39)
Description
The PDQ-39 is a 39 questions Parkinson's Disease self-completed questionnaire that comprises 8 domains: mobility (10 items), activities of daily living (6 items), emotional well-being (6 items), stigma (4 items), social support (3 items), cognition (4 items), communication (3 items) and bodily discomfort (3 items). All items are assumed to impact QoL and must be answered to compute scores for each dimension. Questions are answered based on experiences from the preceding month using a 5-point ordinal scoring system: 0 = never, 1 = occasionally, 2 = sometimes, 3 = often, 4 = always. Each scores range from 0 = never have difficulty to 100 = always have difficulty.
Time Frame
baseline, 12 weeks
Title
Change in quality of life as assessed by the Parkinson's Disease Questionnaire (PDQ-39)
Description
The PDQ-39 is a 39 questions Parkinson's Disease self-completed questionnaire that comprises 8 domains: mobility (10 items), activities of daily living (6 items), emotional well-being (6 items), stigma (4 items), social support (3 items), cognition (4 items), communication (3 items) and bodily discomfort (3 items). All items are assumed to impact QoL and must be answered to compute scores for each dimension. Questions are answered based on experiences from the preceding month using a 5-point ordinal scoring system: 0 = never, 1 = occasionally, 2 = sometimes, 3 = often, 4 = always. Each scores range from 0 = never have difficulty to 100 = always have difficulty.
Time Frame
baseline, 24 weeks
Title
Change in quality of life as assessed by the Parkinson's Disease Questionnaire (PDQ-39)
Description
The PDQ-39 is a 39 questions Parkinson's Disease self-completed questionnaire that comprises 8 domains: mobility (10 items), activities of daily living (6 items), emotional well-being (6 items), stigma (4 items), social support (3 items), cognition (4 items), communication (3 items) and bodily discomfort (3 items). All items are assumed to impact QoL and must be answered to compute scores for each dimension. Questions are answered based on experiences from the preceding month using a 5-point ordinal scoring system: 0 = never, 1 = occasionally, 2 = sometimes, 3 = often, 4 = always. Each scores range from 0 = never have difficulty to 100 = always have difficulty.
Time Frame
baseline, 52 weeks
Title
Change in cognitive function as assessed by the Montreal Cognitive Assessment (MoCA)
Description
The Montreal Cognitive Assessment is a rapid screening instrument for working memory, visual-spatial abilities, executive function, attention, concentration, language and orientation. The total score ranges from 0 to 30; a score of 26 or above is considered normal.
Time Frame
baseline, 52 weeks
Title
Change in immunologic response as assessed by plasma concentrations of cytokines
Description
Investigators will assess cytokines associated with inflammation [interleukin-6 (IL-6), Interleukin-1 beta (IL-1β), Tumor Necrosis Factor beta (TNFβ)]; cell growth and differentiation [Brain-derived neurotrophic factor (BDNF), Granulocyte-macrophage colony-stimulating factor (GM-CSF)]; monocyte migration [Fractalkine, Eotaxin, monocyte chemotactic protein 1 (MCP-1), Macrophage Inflammatory Protein 1 beta (MIP-1β)]; and adaptive immune response [interleukin 12 subunit beta (IL-12p40), interleukin 7 (IL-7), interleukin 9 (IL-9), interleukin 4 (IL-4)] will be measured.
Time Frame
baseline, 3 weeks
Title
Change in immunologic response as assessed by plasma concentrations of cytokines
Description
Investigators will assess cytokines associated with inflammation [interleukin-6 (IL-6), Interleukin-1 beta (IL-1β), Tumor Necrosis Factor beta (TNFβ)]; cell growth and differentiation [Brain-derived neurotrophic factor (BDNF), Granulocyte-macrophage colony-stimulating factor (GM-CSF)]; monocyte migration [Fractalkine, Eotaxin, monocyte chemotactic protein 1 (MCP-1), Macrophage Inflammatory Protein 1 beta (MIP-1β)]; and adaptive immune response [interleukin 12 subunit beta (IL-12p40), interleukin 7 (IL-7), interleukin 9 (IL-9), interleukin 4 (IL-4)] will be measured.
Time Frame
baseline, 12 weeks
Title
Change in immunologic response as assessed by plasma concentrations of cytokines
Description
Investigators will assess cytokines associated with inflammation [interleukin-6 (IL-6), Interleukin-1 beta (IL-1β), Tumor Necrosis Factor beta (TNFβ)]; cell growth and differentiation [Brain-derived neurotrophic factor (BDNF), Granulocyte-macrophage colony-stimulating factor (GM-CSF)]; monocyte migration [Fractalkine, Eotaxin, monocyte chemotactic protein 1 (MCP-1), Macrophage Inflammatory Protein 1 beta (MIP-1β)]; and adaptive immune response [interleukin 12 subunit beta (IL-12p40), interleukin 7 (IL-7), interleukin 9 (IL-9), interleukin 4 (IL-4)] will be measured.
Time Frame
baseline, 24 weeks
Title
Change in immunologic response as assessed by plasma concentrations of cytokines
Description
Investigators will assess cytokines associated with inflammation [interleukin-6 (IL-6), Interleukin-1 beta (IL-1β), Tumor Necrosis Factor beta (TNFβ)]; cell growth and differentiation [Brain-derived neurotrophic factor (BDNF), Granulocyte-macrophage colony-stimulating factor (GM-CSF)]; monocyte migration [Fractalkine, Eotaxin, monocyte chemotactic protein 1 (MCP-1), Macrophage Inflammatory Protein 1 beta (MIP-1β)]; and adaptive immune response [interleukin 12 subunit beta (IL-12p40), interleukin 7 (IL-7), interleukin 9 (IL-9), interleukin 4 (IL-4)] will be measured.
Time Frame
baseline, 52 weeks
Title
Change in suicidal ideation or behaviors as assessed by and Columbia Suicide Severity Rating Scale (CSSRS)
Description
The CSSRS rating scale is a set of questions directed towards eliciting verbalization of suicidal feelings or actions
Time Frame
Screening, 3 weeks, 12 weeks, 24 weeks, 52 weeks
10. Eligibility
Sex
All
Minimum Age & Unit of Time
45 Years
Maximum Age & Unit of Time
70 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria:
Men and women between the ages of 45 and 70. The 45-year-old age cutoff ensures that we do not enroll juvenile PD patients.
Diagnosis of Parkinson disease by the United Kingdom (UK) brain bank criteria including the presence of 2 cardinal signs of PD plus bradykinesia. Diagnosis will be confirmed by the PI or other specialists in Movement Disorders and based on medical history, physical and neurological exams. Patients should have an asymmetric onset, unilateral symptoms and a negative pull test. (See Appendix A)
Moderate to severe microsmia (UPSIT <29).
A modified Hoehn and Yahr stage of 3 or less in the levodopa OFF state. (See Appendix B)
Diagnosis of PD between 4 to 7 years.
Robust response to dopaminergic therapy (defined as greater than 33% reduction in symptoms (on the Unified Parkinson's Disease Rating Scale; UPDRS) when measured in the ON medicine state compared to OFF state.
If subject is taking any central nervous system acting medications (e.g., benzodiazepines, antidepressants, hypnotics) regimen must be optimized and stable for 90 days prior to the screening visit.
A stable Parkinson's disease symptomatic therapy for at least 90 days prior to screening and not projected to require additional Parkinson's disease symptomatic therapy for at least one year from the baseline visit.
Women of childbearing potential will be required to use a reliable form of contraception from 30 days prior to baseline visit until 6 months after the final dose of the study drug.
Exclusion Criteria:
Atypical or drug-induced Parkinsonism.
A UPDRS rest tremor score of 3 or greater for any limb.
A Montreal Cognitive Assessment (MoCA) score of less than 25. (See Appendix C)
Clinical features of psychosis or refractory hallucinations.
Uncontrolled seizure disorder, defined as a seizure within the last 6 months.
Developmental delay.
Chronic kidney disease defined as glomerular filtration rate (GFR) < 50 mL/min/m2.
Hepatic disease or altered liver function as defined by alanine transaminase (ALT) >150 U/L and or T. Bilirubin >1.6 mg/dl at admission.
Presence of clinically refractory orthostatic hypotension at the screening or baseline visit defined as greater than or equal to 20 mmHg change in systolic BP and greater than or equal to 10 mmHg change in diastolic BP from sitting position to standing after 2 minutes that does not respond to medical treatment or baseline sitting BP less than 90/60.
History of congestive heart failure, clinically significant bradycardia, presence of 2nd or 3rd degree atrioventricular block.
Pulmonary disease: chronic obstructive pulmonary disease (COPD) with oxygen-requirement at rest or with ambulation; or moderate to severe asthma.
Active malignancy or diagnosis of malignancy within 5 years prior to the start of screening (Cancer free for at least 5 years is permitted; skin cancers, except for melanoma, are permitted).
Any diagnosis of autoimmune disease or immunocompromised state, including chemotherapy administration within last 3 years or current immunosuppression as defined by white blood cell (WBC) <3 x 103 cells/ml.
History of strokes or traumatic brain injury.
Major surgery within the previous 3 months or planned in the ensuing 6 months.
Clinically significant abnormalities in the Screening Visit laboratory studies.
History of use of an investigational drug within 30 days prior to the screening visit.
History of brain surgery for PD.
Unable to return for follow-up visits for clinical evaluation, laboratory studies, or imaging evaluation.
Substance abuse disorder.
Active anticoagulation treatment.
Any other condition that the investigator feels would pose a significant hazard to the patient if enrolled or complicate the study assessments.
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Mya Schiess, MD
Organizational Affiliation
The University of Texas Health Science Center, Houston
Official's Role
Principal Investigator
Facility Information:
Facility Name
The University of Texas Health Science Center at Houston
City
Houston
State/Province
Texas
ZIP/Postal Code
77030
Country
United States
12. IPD Sharing Statement
Plan to Share IPD
No
Learn more about this trial
Allogeneic Bone Marrow-Derived Mesenchymal Stem Cell Therapy for Idiopathic Parkinson's Disease
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